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EP3282197B1 - Cooktop with steam extractor - Google Patents

Cooktop with steam extractor Download PDF

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Publication number
EP3282197B1
EP3282197B1 EP17184069.7A EP17184069A EP3282197B1 EP 3282197 B1 EP3282197 B1 EP 3282197B1 EP 17184069 A EP17184069 A EP 17184069A EP 3282197 B1 EP3282197 B1 EP 3282197B1
Authority
EP
European Patent Office
Prior art keywords
hob
cooking
recess
grease filter
filter insert
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17184069.7A
Other languages
German (de)
French (fr)
Other versions
EP3282197A1 (en
Inventor
Wilhelm Bruckbauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44860010&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3282197(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to SI201231898T priority Critical patent/SI3282197T1/en
Priority to PL21168165T priority patent/PL3869107T3/en
Priority to EP22157724.0A priority patent/EP4019851A1/en
Priority to EP23165982.2A priority patent/EP4224071A3/en
Priority to PL17184069T priority patent/PL3282197T3/en
Priority to EP21168165.5A priority patent/EP3869107B1/en
Priority to PL17197091T priority patent/PL3287702T3/en
Application filed by Individual filed Critical Individual
Priority to EP17197091.6A priority patent/EP3287702B1/en
Priority to EP20216989.2A priority patent/EP3828469A1/en
Publication of EP3282197A1 publication Critical patent/EP3282197A1/en
Publication of EP3282197B1 publication Critical patent/EP3282197B1/en
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2035—Arrangement or mounting of filters

Definitions

  • the present invention relates to a hob with the features specified in claim 1.
  • Hobs are for example from the FR 2 726 752 A1 , the U.S. 5,133,786 A , the US 2007/0062514 A1 , the US 6,455,818 B1 and the DE 10 2005 030 038 A1 known.
  • a hob is also known from the prior art, which has elongated, rectangular slots on both sides and on the rear next to the hob, through which the cooking vapors produced in the area of the hob are sucked off downwards.
  • This hob known from the prior art with suction slits provided on both sides and on the back is particularly disadvantageous because there the worktop carrying the hob - at least immediately to the side of the hob - cannot be fully used for storage purposes or the like.
  • This cooktop which belongs to the state of the art, with suction slots provided on both sides and on the back is also disadvantageous because the two side and rear suction flows - especially in the particularly important area of the center of the hob - cancel each other completely or at least partially, so that there Cooking vapors are not exposed to an effective suction flow and can therefore spread and rise unhindered.
  • the object of the present invention is therefore to provide a hob with a device for extracting cooking fumes in the direction lying vertically below the plane of the hob, which does not occupy the surfaces on both sides and to the rear of the hob on the worktop supporting the hob, but for Can be used for storage purposes or the like, which reliably avoids the rising and spreading of cooking fumes in the central area of the hob as well as in its edge areas, which causes particularly low manufacturing, assembly, maintenance and operating costs, which does not require a separate installation frame for attachment to the surrounding worktop required, which is particularly efficient in relation to the electrical energy used for the extraction and whose noise development is very low during operation.
  • the present invention accordingly relates to a hob (1) with one or more hotplates (2) which - in a plan view - only in the area (25) has a recess (4) around its geometric centroid (3) - but not in its edge areas.
  • This recess (4) is usually connected to one or more devices (5) for extracting cooking vapors, these devices (5) for extracting cooking vapors, the cooking vapors that have arisen above or above the hotplates in vertically below the Pull off the hob (1) in the direction facing downwards.
  • the diameter (28) of the area (25) for the recess (4) around the geometric centroid (3) of the hob (1) can range from 10% to 90% of the total width (29) of the hob (1), preferably in the range from 15% to 85%, in particular in the range from 20% to 80% of the total width (29) of the hob (1).
  • the shape of the recess (4) - in a plan view - can preferably be round or oval or square or rectangular or polygonal or star-shaped.
  • the area of the recess (4) of the hob (5) can, for example, be in the range from 50 cm 2 to 500 cm 2 , preferably in the range from 60 cm 2 to 400 cm 2 , in particular in the range from 70 cm 2 to 300 cm 2 , lie.
  • the recess (4) of the hob (1) can be reversibly closed and opened manually and / or by means of an electric or pneumatic drive, over the entire surface or in sectors.
  • a one-part or multi-part grease filter insert (6) can be inserted into the recess (4) of the hob (1).
  • This grease filter insert (6) is usually surrounded by an exhaust air duct (9) at the side and / or below.
  • the grease filter insert (6) is preferably tightly connected to the edge area of the recess (4) of the hob (1).
  • the grease filter insert (6) can have the shape of a letter U (see FIG Figures 2 , 3 , 6th and 7th ) be trained.
  • the grease filter insert (6) can be used to enlarge the filter surface and reduce the flow rate, thereby improving the effect of the grease filter insert (6) - for example in the form of a letter U with a bag-shaped or cap-shaped widening (17) (see Figure 5 ) its lower region to the side and / or in the downstream direction.
  • the wall areas of the grease filter insert (6) can have suction openings (7) with grease filters (8) integrated therein or - at least in certain areas - be designed in the manner of a gas-permeable grease filter (6).
  • the bottom area of the grease filter insert (6) can be designed in the form of a drip tray (10) - for collecting liquid (11) that has entered the recess (4) of the hob (1).
  • a drip tray (10) for collecting liquid (11) that has entered the recess (4) of the hob (1).
  • both the side walls of the grease filter insert (6) and its bottom are permeable to cooking vapors.
  • a liquid barrier (13) raised above the level of the underside (12) of the exhaust air duct (9) may be provided.
  • a particular advantage of the device according to the invention is that what is provided below the central recess (4) of the hob (1) is limited by the liquid barrier (13) downstream and by the walls (14) of the exhaust air duct (9) - The liquid collecting basin (15) can be drained and cleaned manually through the central recess (4) of the hob (1).
  • the grease filter insert (6) can be designed, for example, in the form of a grease filter plate (16) that covers the cross section of the exhaust air duct (9) and is inclined below the central recess (4) of the hob - or just downstream thereof.
  • the central recess (4) of the hob (1) can be closed over the entire surface, for example by means of a lid-shaped closure element (18) reversibly adjustable in the vertical direction for opening and closing purposes - for odor trap.
  • two or more rigid legs (19) with snap-in grooves (20) for engaging resilient projections (21) of the grease filter insert (6), the exhaust air duct (9) or on the underside of the closure element (18) the central recess (4) be provided.
  • the central recess (4) of the hob (1) can be closed by means of a closure element (22) with a Y- or V-shaped cross-section which is reversibly adjustable in the vertical direction for opening and closing purposes.
  • this Y- or V-shaped closure element (22) can serve as flow-optimizing flow guide surfaces for the cooking vapors to be extracted.
  • the Y- or V-shaped locking element (22) can preferably be vertically reversibly adjustable by means of an eccentric disk or a lever mechanism or a thread (23).
  • the recess (4) of the hob (1) located in the area (25) around the geometric center of gravity (3) of the hob (1) - to control the direction (27) of the cooking fume extraction depending on the direction of the each active cooking area (2) generating cooking vapors and for saving the fan energy to be applied for the device (5) for extracting cooking vapors - comprise one or more sector-like, reversibly closable and openable closure elements (26). These closure elements (26) can be reversibly opened and closed, for example, manually and / or electrically.
  • the edge of the central recess (4) of the hob (1) - as overflow protection - is formed by a circumferential protruding over the plane of the hob (1) and formed by the exhaust duct connection and / or by the grease filter insert suspension device Wear a cover (24).
  • the Figures 9 , 10 and 11 show that the one or more central recesses (4) of the hob (1) can each have one or more lamellar closures (30) for flow optimization.
  • This lamellar closure (30) is particularly advantageous for a horizontal - and possibly also for a vertical - alignment of the cooking vapor suction flow (27) in the direction of the respective active hotplate (s) (2).
  • each lamella closure (30) comprises one or more lamellae (31), the longitudinal axes (32) of which are preferably aligned horizontally.
  • each lamella (31) around a horizontal pivot axis (33) at an angle ⁇ can be reversibly pivoted back and forth, which is for example in a range from 0 ° to 180 °, preferably in a range from 0 ° to 110 °, in particular in a range from 0 ° to 90 °.
  • the lamella closure (30) can be reversibly rotatable about its vertical axis (34) at an angle ⁇ , for example.
  • This angle ⁇ can, for example, be in the range from 0 ° to 360 ° without limitation.
  • the level of the lamella closure (30) can be just above the level of the hob (1).
  • the plane of the lamella closure (30) can be approximately at the vertical height of the hob (1).
  • the plane of the lamella closure (30) can also be provided below the hob (1).
  • the lamella closure (30) can be removed from the central recess (4) of the hob (1) for cleaning purposes.
  • the present invention also relates to a hob (1) with a central recess (4), which is in the form of an assembly unit with a device (36) attached to its underside (35) for operating the hob (1) and for extracting cooking fumes is designed downwards and can be quickly and easily inserted into a recess in the kitchen worktop (54) designed to match its dimensions.
  • the device (36) - following one after the other in the vertical direction - on the underside (35) of the hob (1) has a housing (44) for the heating or hob heating and control electronics, a fan housing (48) for two or more radial fans (38) and one or more cooking vapors suction chambers (39) - for horizontal, outwardly directed cooking vapors forwarding and for providing the cooking vapors stream for a vertically upward suction through the in the vertically higher fan housing (48) provided radial fan (38) - may include.
  • a particular advantage of this hob (1) designed according to the invention is that the distance (40) between the underside (35) of the hob (1) on the one hand and the underside of the bottom (42) of the cooking vapors suction chambers (39) on the other hand is in one area from only 110 mm to 260 mm, preferably in a range from 140 mm to 230 mm, in particular in a range from 150 mm to 200 mm.
  • a tubular exhaust air line (50) oriented vertically downwards can be provided, for example, downstream of the central recess (4) of the hob (1) be.
  • a hollow cylindrical grease filter (6) reversible - removable upwards for cleaning purposes through the central recess (4) in the hob (1) - can be provided downstream of the exhaust air line (50).
  • the upper edge area (51) of the hollow cylindrical grease filter (6) can lie tightly against the inner wall of the lower section (52) of the tubular exhaust air line (50).
  • the lower edge area (53) of the hollow cylindrical grease filter (6) can protrude above the lower section (52) of the tubular exhaust air line (50) oriented vertically downwards.
  • the hob (1) designed in the form of an assembly unit with a device (36), downstream of the hollow cylindrical grease filter (6) and laterally and horizontally on the outside of this two or more deep cooking vapor suction chambers (39) for horizontal, outward discharge of cooking vapors (63) that have passed through the grease filter (6) can be provided.
  • Figures 14 and 16 show that in the middle areas (59) of the vertically overhead ceilings (60) of the cooking vapors suction chambers (39) two or more recesses (61) - for the bottom-up passage of the cooking vapors (63) to the downstream of the Radial fans (38) provided for recesses (61) - can be provided.
  • the radial fan motors (56) can be centered over the recesses (61) belonging to them in the middle areas (59) of the ceilings (60) of the cooking vapors suction chambers (39), on the underside (45) of the Housing (44) for the heating or hob heating and control electronics.
  • the hob heating elements (37), the power electronics (55) for the fan motors (56) and touch control operating elements (57 ) must be included (see Figure 12 ).
  • a device mains connection (58) can be provided (see FIG Figure 13 ).
  • FIGS 14 and 16 show that the axes of rotation (62) of the radial fan motors (56) can be aligned vertically and that the cooking vapors (63) collected vertically upwards by the rotating fan wheel (65) into the above the respective suction chamber (39) Fan housing (48) can be transported.
  • the fan housing (48) can - in plan view - have a spiral structure with an upstream guide chamber (66) and a downstream discharge chamber (67).
  • a space (68) adjoining all the exhaust chambers (67) of the radial fans (38) can be provided for dividing and aligning the cooking vapor exhaust streams (69).
  • This space (68) can, for example, have two or more air guide surfaces (70). These air guide surfaces (70) can preferably be arranged and shaped in such a way that the odor filter (71) provided downstream of the partitioning space (68) - in relation to its total area - is evenly blown by the cooking vapors exhaust streams (69).
  • a bellows (72) flexible in the horizontal and / or in the vertical direction can be provided for flexible and vibration- and noise-decoupled connection to a downstream exhaust duct or kitchen body.
  • the cooking vapors (63) can pass the hollow cylindrical grease filter insert (6) at a speed in the range from 1.0 m / sec to 4.5 m / sec, preferably in the range from 1.15 m / sec to 4.25 m / sec, in particular in the range from 1.75 m / sec to 4.0 m / sec.
  • the cooking vapor (63) can pass the odor filter (71) at a speed in the range from 0.5 m / sec to 3.0 m / sec, preferably in the range from 0.7 m / sec to 2.7 m / sec, in particular in the range from 1.0 m / sec to 2.5 m / sec.
  • the distance (43) between the underside (35) of the hob (1) on the one hand and the underside (45) of the housing (44) for the heating or hob heating and control electronics on the other hand can be in a range of 45 mm up to 80 mm.
  • the distance (46) between the underside (45) of the housing (44) for the heating or hob heating and control electronics on the one hand and the underside (47) of the fan housing (48) on the other hand can be in a range of 60 mm to 100 mm.
  • the distance (49) between the underside (47) of the fan housing (48) on the one hand and the underside of the bottom (42) of the cooking fume suction chamber (39) on the other hand can be, for example, in a range from 45 mm to 80 mm.
  • two radial fans (38) can be positioned in the fan housing (48) on both sides of the tubular exhaust air line (50) provided downstream of the central hob recess (4) in a plan view.
  • the directions of rotation (73) of the two fan wheels (65) of these two radial fans (38) are then preferably opposite to one another:
  • Figure 15 can - in a plan view - the left fan wheel (65) can be driven counterclockwise in rotation, while - in a plan view -
  • the right fan wheel (65) can then be driven in a clockwise rotation.
  • the two discharge chambers (67) of the two radial fans (38) can be adjacent to the central exhaust air line (50).
  • FIG. 14 shows that - in a top view - the central base area (74) located inside the hollow cylindrical grease filter (6) at least opposite the lateral bases (42) of the two suction chambers (39) provided on both sides of this central base area (74) with the formation of a stop (75) for the lower edge region (53) of the hollow cylindrical grease filter (6) can be at least slightly lowered. Furthermore, the central base area (74) - for collecting and catching overflowing liquid - can be inclined towards a central or edge-side depression (76). In this case, there is a particularly user-friendly access option to the central floor area (74) for cleaning purposes.
  • a hob is provided with a device for extracting cooking vapors in a direction vertically below the plane of the hob.
  • a cooking fume extractor device is combined with a hob to form one component, which results in particularly low manufacturing and assembly costs.
  • the hob (1) according to the invention in the area of its geometric center of gravity (3) has a recess (4), which is round or oval or square in plan view, for a device (5) for extracting cooking fumes in vertically below the hob (1) pointing downwards, the surfaces on both sides and to the rear of the hob can now for the first time be used without restriction on the worktop carrying the hob for storage purposes or the like.
  • Another advantage of the hob (1) according to the invention is that the electrical energy used for the suction is used particularly efficiently, which is why the efficiency of the hob (1) according to the invention is particularly high.
  • Another advantage of the hob (1) according to the invention lies in the fact that the development of noise is very low even during the cooking fume extraction mode.
  • a particular advantage of the hob (1) according to the invention designed in the form of an assembly unit with a device (36), is its compactness and the fact that it can be completely pre-assembled in the factory. This means that the planning and installation effort is particularly low. Finally, the completely pre-assembled, compact assembly unit only needs to be inserted into a recess in the worktop, which results in particularly quick, simple and inexpensive assembly.
  • a particular advantage of the hob (1) according to the invention in the form of an assembly unit with a device (36) is that it provides effective protection against and insensitivity to overflowing liquid that has penetrated through the central recess (4) - up to a volume of 5 I- offers. Because the fan motors (56) are suspended from the bottom (45) of the housing (44) for the heating or hob heating and control electronics, the tub-like volume of the lowest-lying cooking vapor suction chamber (39) is basically used to hold overflow liquid with the exclusion of any risk to the fan motors (56).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Cookers (AREA)
  • Baking, Grill, Roasting (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Description

Die vorliegende Erfindung betrifft ein Kochfeld mit den im Patentanspruch 1 angegebenen Merkmalen.The present invention relates to a hob with the features specified in claim 1.

Kochfelder sind beispielsweise aus der FR 2 726 752 A1 , der US 5,133,786 A , der US 2007/0062514 A1 , der US 6,455,818 B1 und der DE 10 2005 030 038 A1 bekannt. Aus dem Stand der Technik ist ferner ein Kochfeld bekannt, welches beidseitig und rückseitig neben dem Kochfeld längliche, rechteckige Schlitze aufweist, durch welche die im Bereich des Kochfeldes entstehenden Kochdünste nach unten abgesaugt werden.Hobs are for example from the FR 2 726 752 A1 , the U.S. 5,133,786 A , the US 2007/0062514 A1 , the US 6,455,818 B1 and the DE 10 2005 030 038 A1 known. A hob is also known from the prior art, which has elongated, rectangular slots on both sides and on the rear next to the hob, through which the cooking vapors produced in the area of the hob are sucked off downwards.

Dieses aus dem Stand der Technik bekannte Kochfeld mit beidseitig und rückseitig hiervon vorgesehenen Absaugschlitzen ist insbesondere deswegen nachteilig, weil dort die das Kochfeld tragende Arbeitsplatte - zumindest unmittelbar seitlich von dem Kochfeld - nicht vollständig für Abstellzwecke oder ähnliches nutzbar ist.This hob known from the prior art with suction slits provided on both sides and on the back is particularly disadvantageous because there the worktop carrying the hob - at least immediately to the side of the hob - cannot be fully used for storage purposes or the like.

Dieses zum Stand der Technik gehörende Kochfeld mit beidseitig und rückseitig hiervon vorgesehenen Absaugschlitzen ist auch deswegen nachteilig, weil sich die beiden seitlichen und die rückwärtige Absaugströmungen - vor allem im besonders bedeutsamen Bereich des Zentrums des Kochfeldes - gegenseitig vollständig oder zumindest teilweise aufheben, so dass dort entstehende Kochdünste keiner effektiven Absaugströmung ausgesetzt sind und sich folglich ungehindert ausbreiten und aufsteigen können.This cooktop, which belongs to the state of the art, with suction slots provided on both sides and on the back is also disadvantageous because the two side and rear suction flows - especially in the particularly important area of the center of the hob - cancel each other completely or at least partially, so that there Cooking vapors are not exposed to an effective suction flow and can therefore spread and rise unhindered.

Ein weiterer Nachteil dieses aus dem Stand der Technik hervorgehenden Kochfeldes mit beidseitig und rückseitig hiervon vorgesehenen Absaugschlitzen besteht darin, dass dort ausgeprägte Herstellungskosten und Materialkosten - insbesondere wegen der Ausbildung der drei Absaugvorrichtungen und dem mit diesen in Verbindung stehenden Abluftkanal-System - anzusetzen sind.Another disadvantage of this prior art cooktop with suction slits provided on both sides and on the back is that there are significant manufacturing and material costs - in particular because of the design of the three suction devices and the associated exhaust duct system.

Auch die Wartungskosten sind bei diesem bekannten Kochfeld besonders hoch, insbesondere da dort drei (!) Fettfilter zu warten sind.The maintenance costs are also particularly high with this known hob, especially since three (!) Grease filters have to be serviced there.

Da bei diesem bekannten Kochfeld mit beidseitig und rückseitig hiervon vorgesehenen Absaugschlitzen - bei Aktivierung der Kochdunstabsaugung - über alle Absaugschlitze gleichzeitig starke Absaugströme freigesetzt werden, ist dort derSince in this known hob with suction slits provided on both sides and on the back - when the cooking fume suction is activated - strong suction currents are released simultaneously via all suction slits, there is the

Energieaufwand für eine Kochdunstabsaugung besonders hoch, weshalb die Effizienz dieses bekannten Kochfeldes auffallend gering ist.Energy consumption for a cooking fume extraction is particularly high, which is why the efficiency of this known hob is noticeably low.

Aufgrund der dort erforderlichen drei starken Absaugströme ist dort auch die Lärmbelastung durch Strömungsgeräusche und Lüftermotoren des Absaug-Systemes ausgeprägt.Due to the three strong suction flows required there, the noise pollution from flow noise and fan motors of the suction system is also pronounced.

Ein weiterer wesentlicher Nachteil des bekannten Kochfeldes mit beidseitig und rückseitig hiervon vorgesehenen Kochdunst-Absaugschlitzen besteht darin, dass dort eine material- und zeitintensive Montage des Kochfeldes an der das Kochfeld tragenden Arbeitsplatte - unter Überbrückung der beidseitigen und rückwärtigen Kochdunst-Absaugschlitze - mittels eines separaten Einbaurahmens erforderlich ist.Another major disadvantage of the known hob with cooking vapors extraction slots provided on both sides and back is that there is a material and time-consuming assembly of the hob on the worktop supporting the hob - bridging the cooking vapors extraction slots on both sides and rear - by means of a separate installation frame is required.

Aufgabe der vorliegenden Erfindung ist daher die Bereitstellung eines Kochfeldes mit einer Einrichtung zum Abzug von Kochdünsten in vertikal unterhalb der Ebene des Kochfeldes liegender Richtung, welches die auf beiden Seiten und rückwärtig von dem Kochfeld befindlichen Flächen auf der das Kochfeld tragenden Arbeitsplatte nicht beansprucht, sondern für Abstellzwecke oder ähnliches nutzbar lässt, welches sowohl im zentralen Bereich des Kochfeldes als auch in dessen Randbereichen ein Aufsteigen und Ausbreiten von Kochdünsten sicher vermeidet, welches besonders niedrige Herstellungs-, Montage-, Wartungs- und Betriebskosten verursacht, welches keinen separaten Einbaurahmen zur Anbringung an die umgebende Arbeitsplatte benötigt, welches in Bezug auf die für die Absaugung eingesetzte elektrische Energie besonders effizient ist und deren Geräuschentwicklung während des Betriebes sehr gering ist.The object of the present invention is therefore to provide a hob with a device for extracting cooking fumes in the direction lying vertically below the plane of the hob, which does not occupy the surfaces on both sides and to the rear of the hob on the worktop supporting the hob, but for Can be used for storage purposes or the like, which reliably avoids the rising and spreading of cooking fumes in the central area of the hob as well as in its edge areas, which causes particularly low manufacturing, assembly, maintenance and operating costs, which does not require a separate installation frame for attachment to the surrounding worktop required, which is particularly efficient in relation to the electrical energy used for the extraction and whose noise development is very low during operation.

Erfindungsgemäß wird diese Aufgabe bei einer gattungsgemäßen Vorrichtung durch die im kennzeichnenden Teil des Patentanspruches 1 angegebenen Merkmale gelöst. Besonders bevorzugte Ausführungsformen sind Gegenstand der Unteransprüche. Ausführungsbeispiele werden anhand der Zeichnungen näher beschrieben. Es zeigen:

  • Figur 1 eine Draufsicht auf ein Kochfeld (1) mit zentraler Aussparung (4) für eine Vorrichtung (5) zum Abzug von Kochdünsten nach unten;
  • Figur 2 einen schematischen Querschnitt eines Kochfeldes (1) entlang der in Figur 1 dargestellten Linie A-A mit einem Fettfilter-Einsatz (6), welcher in seinem Bodenbereich eine Auffangschale (10) für durch die zentrale Aussparung (4) eingetretene Flüssigkeit aufweist und dessen darüber befindliche, seitliche Wände für die eingesaugten Kochdünste in Richtung des Abluft-Kanales (9) permeabel sind;
  • Figur 3 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 1 dargestellten Line B-B mit einem Fettfilter-Einsatz (6), dessen seitliche Wände und dessen Boden für die eingesaugten Kochdünste in Richtung des Abluft-Kanales (9) permeabel sind, wobei die Unterseite (12) des Abluft-Kanales (9) unterhalb des Bereiches der zentralen Aussparung (4) in Form eines Auffang-Beckens (15) für Flüssigkeiten (11) ausgebildet ist;
  • Figur 4 einen schematischen Querschnitt eines Kochfeldes (1) entlang der in Figur 1 dargestellten Linie B-B mit einer schrägstehenden, plattenförmigen Fettfilter-Platte (16), welche den Querschnitt des Abluft-Kanales (9) überdeckt und unterhalb der zentralen Aussparung (4) des Kochfeldes (1) vorgesehen ist;
  • Figur 5 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 1 dargestellten Linie B-B mit einem Fettfilter-Einsatz (6), welcher in Form eines Buchstabens U mit mützenförmiger Aufweitung (17) des unteren Bereichs hiervon in stromabwärtiger Richtung und kochdunst-permeabel ausgebildet ist;
  • Figur 6 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 1 dargestellten Linie B-B, wobei die zentrale Aussparung (4) des Kochfeldes (1) mittels eines in vertikaler Richtung reversibel verstellbaren, deckelförmigen Verschließ-Elementes (18) verschließbar und öffenbar ist, wobei an der Unterseite des Verschließ-Elementes zwei flexible Federbeine (19)
    mit Einrast-Rillen (20) zum Einrasten von Vorsprüngen (21) des Fettfilter-Einsatzes (6) vorgesehen sind;
  • Figur 7 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der In Figur 1 dargestellten Linie B-B, wobei die zentrale Aussparung (4) des Kochfeldes (1) mittels eines in vertikaler Richtung reversibel verstellbaren Y-förmigen Verschließ-Elementes (18) verschließbar und öffenbar ist, wobei die Unterseite dieses Y-förmigen Verschließ-Elementes (22) für die angesaugten Kochdünste als strömungsoptimierende Strömungsleitfläche dient und das Y-förmige Verschließ-Element (22) mittels eines Gewindes (23) vertikal verstellbar ist;
  • Figur 8 eine schematische Draufsicht auf ein erfindungsgemäßes Kochfeld (1), welches in dem Bereich (25) des geometrischen Flächenschwerpunktes (3) des Kochfeldes (1) eine Aussparung (4) des Kochfeldes (1) aufweist, die - zur Steuerung der Richtung (27) der Kochdunst-Absaugung in Abhängigkeit von der Richtung der jeweils Kochdunst erzeugenden Kochstelle (2) sowie zur Einsparung der für die Vorrichtung (5) zum Abzug von Kochdünsten aufzubringenden Lüfter-Energie - ein oder mehrere sektorartige, reversibel verschließbare und öffenbare Verschlusselemente (26) umfasst;
  • Figur 9 eine schematische Draufsicht auf ein erfindungsgemäßes Kochfeld (1), dessen zentrale Aussparung (4) einen Lamellenverschluss (30) trägt;
  • Figur 10 einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 9 dargestellten Linie B-B, wobei die zentrale Aussparung (4) des Kochfeldes (1) mittels eines knapp oberhalb der Ebene des Kochfeldes (1) vorgesehenen Lamellenverschlusses (30) mit schwenkbaren Lamellen (31) reversibel verschließbar ist;
  • Figur 11 Figur einen schematischen Querschnitt eines erfindungsgemäßen Kochfeldes (1) entlang der in Figur 9 dargestellten Linie B-B, wobei die zentrale Aussparung (4) des Kochfeldes (1) mittels eines knapp unterhalb der Ebene des Kochfeldes (1) vorgesehenen Lamellenverschlusses (30) mit schwenkbaren Lamellen (31) reversibel verschließbar ist;
  • Figur 12 eine schematische, perspektivische Ansicht von schräg oben eines erfindungsgemäßen Kochfeldes (1) mit einer zentralen Aussparung (4) des Kochfeldes (1), wobei das Kochfeld (1) in Form einer Montageeinheit mit einer an der Unterseite (35) des Kochfeldes (1) vorgesehenen Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten ausgebildet ist;
  • Figur 13 eine schematische, perspektivische Ansicht von schräg des in Figur 12 dargestellten erfindungsgemäßen Kochfeldes (1) mit einer zentralen Aussparung (4) des Kochfeldes (1), wobei das Kochfeld (1) in Form einer Montageeinheit mit einer an der Unterseite (35) des Kochfeldes (1) vorgesehenen Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten ausgebildet ist;
  • Figur 14 einen schematischen Längsschnitt entlang der Linie A-A der in Figur 15 dargestellten Montageeinheit aus einem Kochfeld (1) und einer Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten;
  • Figur 15 eine schematische Draufsicht auf eine erfindungsgemäße Montageeinheit aus einem Kochfeld (1) und einer Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten, wobei zur Verbesserung der Klarheit der Darstellung das Kochfeld (1) abgenommen ist;
  • Figur 16 einen schematischen Längsschnitt entlang der Linie B-B der in Figur 15 dargestellten Montageeinheit aus einem Kochfeld (1) und einer Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum nach unten gerichteten Abzug von Kochdünsten;
  • Figur 17 eine schematische Ansicht eines hohlzylindrischen Fettfilters (6), welcher lediglich mit einem einzigen Abluft-Lüfter (38) in Verbindung steht;
  • Figur 18 eine schematische Ansicht eines hohlzylindrischen Fettfilters (6), welcher mit zwei einander gegenüberliegenden Abluft-Lüftern (38) in Verbindung steht.
According to the invention, this object is achieved in a device of the generic type by the features specified in the characterizing part of claim 1. Particularly preferred embodiments are the subject of the dependent claims. Exemplary embodiments are described in more detail with reference to the drawings. Show it:
  • Figure 1 a plan view of a hob (1) with a central recess (4) for a device (5) for extracting cooking fumes downwards;
  • Figure 2 a schematic cross section of a hob (1) along the in Figure 1 Line AA shown with a grease filter insert (6), which in its bottom area has a collecting tray (10) for liquid that has entered through the central recess (4) and its lateral walls above it for the cooking vapors drawn in in the direction of the exhaust air duct ( 9) are permeable;
  • Figure 3 a schematic cross section of a hob (1) according to the invention along the in Figure 1 Line BB shown with a grease filter insert (6), the side walls and bottom of which are permeable to the cooking vapors sucked in in the direction of the exhaust air channel (9), with the underside (12) of the exhaust air channel (9) below the area the central recess (4) is designed in the form of a collecting basin (15) for liquids (11);
  • Figure 4 a schematic cross section of a hob (1) along the in Figure 1 line BB shown with an inclined, plate-shaped grease filter plate (16) which covers the cross section of the exhaust air duct (9) and is provided below the central recess (4) of the hob (1);
  • Figure 5 a schematic cross section of a hob (1) according to the invention along the in Figure 1 Line BB shown with a grease filter insert (6) which is designed in the form of a letter U with a cap-shaped widening (17) of the lower region thereof in the downstream direction and is permeable to cooking vapor;
  • Figure 6 a schematic cross section of a hob (1) according to the invention along the in Figure 1 Line BB shown, the central recess (4) of the hob (1) being closable and openable by means of a cover-shaped closure element (18) reversibly adjustable in the vertical direction, with two flexible spring legs (19) on the underside of the closure element
    with locking grooves (20) for locking projections (21) of the grease filter insert (6) are provided;
  • Figure 7 a schematic cross section of a hob (1) according to the invention along the In Figure 1 line BB shown, the central recess (4) of the hob (1) being closable and openable by means of a Y-shaped closing element (18) reversibly adjustable in the vertical direction, the underside of this Y-shaped closing element (22) serves as a flow-optimizing flow guide surface for the cooking vapors drawn in and the Y-shaped closure element (22) is vertically adjustable by means of a thread (23);
  • Figure 8 a schematic top view of a hob (1) according to the invention, which has a recess (4) of the hob (1) in the area (25) of the geometric center of gravity (3) of the hob (1), which - for controlling the direction (27) the cooking fume extraction, depending on the direction of the cooking area (2) generating the cooking fumes, as well as for saving the fan energy to be applied for the device (5) for extracting cooking fumes - comprises one or more sector-like, reversibly closable and openable closure elements (26) ;
  • Figure 9 a schematic plan view of a hob (1) according to the invention, the central recess (4) of which carries a lamella closure (30);
  • Figure 10 a schematic cross section of a hob (1) according to the invention along the in Figure 9 line BB shown, the central recess (4) of the hob (1) being reversibly closable by means of a lamella closure (30) with pivotable lamellae (31) provided just above the level of the hob (1);
  • Figure 11 Figure shows a schematic cross section of a hob (1) according to the invention along the in Figure 9 line BB shown, the central recess (4) of the hob (1) being reversibly closable by means of a lamella closure (30) with pivotable lamellae (31) provided just below the level of the hob (1);
  • Figure 12 a schematic, perspective view obliquely from above of an inventive Hob (1) with a central recess (4) of the hob (1), the hob (1) in the form of an assembly unit with a device (36) provided on the underside (35) of the hob (1) for operating the hob ( 1) and is designed for the downward extraction of cooking vapors;
  • Figure 13 a schematic, perspective view obliquely of the in Figure 12 hob (1) according to the invention shown with a central recess (4) of the hob (1), the hob (1) in the form of an assembly unit with a device (36) provided on the underside (35) of the hob (1) for operating the Hob (1) and designed for the downward extraction of cooking vapors;
  • Figure 14 a schematic longitudinal section along the line AA of FIG Figure 15 illustrated assembly unit comprising a hob (1) and a device (36) for operating the hob (1) and for the downward extraction of cooking vapors;
  • Figure 15 a schematic top view of an assembly unit according to the invention comprising a hob (1) and a device (36) for operating the hob (1) and for the downward extraction of cooking fumes, the hob (1) being removed to improve the clarity of the illustration;
  • Figure 16 a schematic longitudinal section along the line BB in FIG Figure 15 illustrated assembly unit comprising a hob (1) and a device (36) for operating the hob (1) and for the downward extraction of cooking vapors;
  • Figure 17 a schematic view of a hollow cylindrical grease filter (6), which is only connected to a single exhaust fan (38);
  • Figure 18 a schematic view of a hollow cylindrical grease filter (6), which is connected to two opposing exhaust air fans (38).

Die vorliegende Erfindung betrifft demnach ein Kochfeld (1) mit einer oder mit mehreren Kochstellen (2), welches - in einer Draufsicht - lediglich in dem Bereich (25) um seinen geometrischen Flächenschwerpunkt (3) herum - nicht jedoch in seinen Randbereichen - eine Aussparung (4) aufweist. Diese Aussparung (4) steht in der Regel mit einer oder mit mehreren Vorrichtungen (5) zum Abzug von Kochdünsten in Verbindung, wobei diese Vorrichtungen (5) zum Abzug von Kochdünsten die über dem oder über den Kochstellen entstandenen und entstehenden Kochdünste in vertikal unterhalb des Kochfeldes (1) weisender Richtung nach unten abziehen.The present invention accordingly relates to a hob (1) with one or more hotplates (2) which - in a plan view - only in the area (25) has a recess (4) around its geometric centroid (3) - but not in its edge areas. This recess (4) is usually connected to one or more devices (5) for extracting cooking vapors, these devices (5) for extracting cooking vapors, the cooking vapors that have arisen above or above the hotplates in vertically below the Pull off the hob (1) in the direction facing downwards.

Im Allgemeinen kann der Durchmesser (28) des Bereiches (25), für die Aussparung (4), um den geometrischen Flächenschwerpunkt (3) des Kochfeldes (1) im Bereich von 10 % bis 90 % der Gesamt-Breite (29) des Kochfeldes (1), vorzugsweise im Bereich von 15 % bis 85 %, insbesondere im Bereich von 20 % bis 80 % der Gesamtbreite (29) des Kochfeldes (1) liegen. Vorzugsweise kann die Form der Aussparung (4) - in einer Draufsicht - rund oder oval oder quadratisch oder rechteckig oder polygonal oder sternförmig sein. Die Fläche der Aussparung (4) des Kochfeldes (5) kann beispielsweise in dem Bereich von 50 cm2 bis 500 cm2, vorzugsweise in dem Bereich von 60 cm2 bis 400 cm2, insbesondere in dem Bereich von 70 cm2 bis 300 cm2, liegen. Vorzugsweise kann die Aussparung (4) des Kochfeldes (1) reversibel manuell und/oder mittels eines elektrischen oder pneumatischen Antriebes, ganzflächig oder sektorweise, verschließbar und öffenbar sein.In general, the diameter (28) of the area (25) for the recess (4) around the geometric centroid (3) of the hob (1) can range from 10% to 90% of the total width (29) of the hob (1), preferably in the range from 15% to 85%, in particular in the range from 20% to 80% of the total width (29) of the hob (1). The shape of the recess (4) - in a plan view - can preferably be round or oval or square or rectangular or polygonal or star-shaped. The area of the recess (4) of the hob (5) can, for example, be in the range from 50 cm 2 to 500 cm 2 , preferably in the range from 60 cm 2 to 400 cm 2 , in particular in the range from 70 cm 2 to 300 cm 2 , lie. Preferably, the recess (4) of the hob (1) can be reversibly closed and opened manually and / or by means of an electric or pneumatic drive, over the entire surface or in sectors.

Gemäß den Figuren 3, 5, 6 und 7 kann in die Aussparung (4) des Kochfeldes (1) ein ein- oder mehrteiliger Fettfilter-Einsatz (6) einsetzbar sein. Dieser Fettfilter-Einsatz (6) ist in der Regel seitlich und/oder unten von einem Abluftkanal (9) umfasst. Vorzugsweise steht der Fettfilter-Einsatz (6) mit dem Randbereich der Aussparung (4) des Kochfeldes (1) dicht in Verbindung.According to the Figures 3 , 5 , 6th and 7th A one-part or multi-part grease filter insert (6) can be inserted into the recess (4) of the hob (1). This grease filter insert (6) is usually surrounded by an exhaust air duct (9) at the side and / or below. The grease filter insert (6) is preferably tightly connected to the edge area of the recess (4) of the hob (1).

Der Fettfilter-Einsatz (6) kann beispielsweise im Querschnitt in der Form eines Buchstabens U (siehe Figuren 2, 3, 6 und 7) ausgebildet sein. Alternativ hierzu kann der Fettfilter-Einsatz (6) - zur Vergrößerung der Filterfläche und Reduzierung der Strömungsgeschwindigkeit und damit zur Verbesserung der Wirkung des Fettfilter-Einsatzes (6) - beispielsweise in der Form eines Buchstabens U mit sackförmiger oder mützenförmiger Aufweitung (17) (siehe Figur 5) seines unteren Bereiches zur Seite und/oder in stromabwärtiger Richtung, ausgebildet sein. Im Allgemeinen kann der Fettfilter-Einsatz (6) in seinen Wand-Bereichen Absaug-Öffnungen (7) mit darin integrierten Fettfiltern (8) aufweisen oder-zumindest bereichsweise - in der Art eines gas-permeablen Fettfilters (6) ausgebildet sein.The grease filter insert (6) can have the shape of a letter U (see FIG Figures 2 , 3 , 6th and 7th ) be trained. As an alternative to this, the grease filter insert (6) can be used to enlarge the filter surface and reduce the flow rate, thereby improving the effect of the grease filter insert (6) - for example in the form of a letter U with a bag-shaped or cap-shaped widening (17) (see Figure 5 ) its lower region to the side and / or in the downstream direction. In general, the wall areas of the grease filter insert (6) can have suction openings (7) with grease filters (8) integrated therein or - at least in certain areas - be designed in the manner of a gas-permeable grease filter (6).

Wie insbesondere der Figur 2 zu entnehmen ist, kann der Fettfilter-Einsatz (6) in seinem Boden-Bereich in Form einer Auffangschale (10) - zum Auffangen von in die Aussparung (4) des Kochfeldes (1) eingetretener Flüssigkeit (11) - ausgebildet sein. Alternativ und erfindungsgemäß hierzu können - wie in den Figuren 3, 5, 6, und 7 dargestellt - sowohl die seitlichen Wände des Fettfilter-Einsatzes (6) als auch dessen Boden für Kochdünste durchlässig sein.Like the one in particular Figure 2 As can be seen, the bottom area of the grease filter insert (6) can be designed in the form of a drip tray (10) - for collecting liquid (11) that has entered the recess (4) of the hob (1). Alternatively and according to the invention - as in the Figures 3 , 5 , 6th , and 7th shown - both the side walls of the grease filter insert (6) and its bottom are permeable to cooking vapors.

Zur Verhinderung des Vordringens von durch die zentrale Aussparung (4) des Kochfeldes (1) eingedrungener Flüssigkeit (11) in stromabwärtige Abschnitte des Abluftkanales (9) kann - unmittelbar stromabwärts hinter der zentralen Aussparung (4) - auf der Unterseite (12) des Abluftkanales (9) eine über das Niveau der Unterseite (12) des Abluftkanales (9) erhabene Flüssigkeits-Sperre (13) vorgesehen sein.To prevent the penetration of liquid (11) that has penetrated through the central recess (4) of the hob (1) into downstream sections of the exhaust air duct (9) - directly downstream behind the central recess (4) - on the underside (12) of the exhaust air duct (9) a liquid barrier (13) raised above the level of the underside (12) of the exhaust air duct (9) may be provided.

Ein besonderer Vorteil der erfindungsgemäßen Vorrichtung besteht dann darin, dass das unterhalb der zentralen Aussparung (4) des Kochfeldes (1) vorgesehene - von der Flüssigkeits-Sperre (13) stromabwärts und von den Wänden (14) des Abluftkanales (9) im übrigen begrenzte - Flüssigkeits-Auffang-Becken (15) durch die zentrale Aussparung (4) des Kochfeldes (1) manuell trockenlegbar und reinigbar ist.A particular advantage of the device according to the invention is that what is provided below the central recess (4) of the hob (1) is limited by the liquid barrier (13) downstream and by the walls (14) of the exhaust air duct (9) - The liquid collecting basin (15) can be drained and cleaned manually through the central recess (4) of the hob (1).

Gemäß Figur 4 kann der Fettfilter-Einsatz (6) beispielsweise in Form einer den Querschnitt des Abluftkanales (9) überdeckenden und schrägstehend unterhalb der zentralen Aussparung (4) des Kochfeldes - oder knapp stromabwärts hiervon -vorgesehenen Fettfilter-Platte (16) ausgebildet sein.According to Figure 4 The grease filter insert (6) can be designed, for example, in the form of a grease filter plate (16) that covers the cross section of the exhaust air duct (9) and is inclined below the central recess (4) of the hob - or just downstream thereof.

Gemäß Figur 6 kann die zentrale Aussparung (4) des Kochfeldes (1) beispielsweise mittels eines in vertikaler Richtung zu Öffnungszwecken und Verschließzwecken reversibel verstellbaren, deckelförmigen Verschließ-Elementes (18) - zum Geruchsverschluss - ganzflächig verschließbar sein.According to Figure 6 the central recess (4) of the hob (1) can be closed over the entire surface, for example by means of a lid-shaped closure element (18) reversibly adjustable in the vertical direction for opening and closing purposes - for odor trap.

In diesem Falle können an der Unterseite des Verschließ-Elementes (18) zwei oder mehrere flexible Federbeine (19) mit Einrast-Rillen (20) zum Einrasten von Vorsprüngen (21) des Fettfilter-Einsatzes (6), des Abluftkanales (9) oder der zentralen Aussparung (4) vorgesehen sein.In this case, on the underside of the closure element (18) two or more flexible spring legs (19) with snap-in grooves (20) to snap in projections (21) of the grease filter insert (6), the exhaust air duct (9) or the central recess (4) be provided.

Alternativ hierzu können an der Unterseite des Verschließ-Elementes (18) zwei oder mehrere starre Beine (19) mit Einrast-Rillen (20) zum Einrasten von federnden Vorsprüngen (21) des Fettfilter-Einsatzes (6), des Abluftkanales (9) oder der zentralen Aussparung (4) vorgesehen sein.Alternatively, two or more rigid legs (19) with snap-in grooves (20) for engaging resilient projections (21) of the grease filter insert (6), the exhaust air duct (9) or on the underside of the closure element (18) the central recess (4) be provided.

Wie in Figur 7 dargestellt, kann die zentrale Aussparung (4) des Kochfeldes (1) mittels eines in vertikaler Richtung zu Öffnungszwecken und zu Verschließzwecken reversibel verstellbaren, im Querschnitt Y- oder V-förmigen Verschließ-Elemente (22) verschließbar sein.As in Figure 7 As shown, the central recess (4) of the hob (1) can be closed by means of a closure element (22) with a Y- or V-shaped cross-section which is reversibly adjustable in the vertical direction for opening and closing purposes.

In diesem Falle können die Unterseiten dieses Y- oder V-förmigen Verschließ-Elementes (22) als strömungsoptimierende Strömungsleitflächen für die abzusaugenden Kochdünste dienen. Vorzugsweise kann das Y- oder V-förmige Verschließ-Element (22) mittels einer Exzenter-Scheibe oder eines HebelMechanismus oder eines Gewindes (23) vertikal reversibel verstellbar sein.In this case, the undersides of this Y- or V-shaped closure element (22) can serve as flow-optimizing flow guide surfaces for the cooking vapors to be extracted. The Y- or V-shaped locking element (22) can preferably be vertically reversibly adjustable by means of an eccentric disk or a lever mechanism or a thread (23).

Wie aus Figur 8 hervorgeht, kann die in dem Bereich (25) um den geometrischen Flächenschwerpunkt (3) des Kochfeldes (1) befindliche Aussparung (4) des Kochfeldes (1) - zur Steuerung der Richtung (27) der Kochdunst-Absaugung in Abhängigkeit von der Richtung der jeweils Kochdunst erzeugenden, jeweils aktiven Kochstelle (2) sowie zur Einsparung der für die Vorrichtung (5) zum Abzug von Kochdünsten aufzubringenden Lüfter-Energie - ein oder mehrere sektorartige, reversibel verschließbare und öffenbare Verschlusselemente (26) umfassen. Diese Verschlusselemente (26) können beispielsweise manuell und/oder elektrisch reversibel öffenbar und verschließbar sein.How out Figure 8 It can be seen, the recess (4) of the hob (1) located in the area (25) around the geometric center of gravity (3) of the hob (1) - to control the direction (27) of the cooking fume extraction depending on the direction of the each active cooking area (2) generating cooking vapors and for saving the fan energy to be applied for the device (5) for extracting cooking vapors - comprise one or more sector-like, reversibly closable and openable closure elements (26). These closure elements (26) can be reversibly opened and closed, for example, manually and / or electrically.

Wie aus den Figuren 1 bis 8 hervorgeht, kann der Rand der zentralen Aussparung (4) des Kochfeldes (1) - als Überlaufschutz - einen die Ebene des Kochfeldes (1) nach oben überragenden, umlaufenden und von dem Abluftkanal-Anschluss und/oder von der Fettfilter-Einsatz-Einhängeeinrichtung gebildeten Überwurf (24) tragen.As from the Figures 1 to 8 As can be seen, the edge of the central recess (4) of the hob (1) - as overflow protection - is formed by a circumferential protruding over the plane of the hob (1) and formed by the exhaust duct connection and / or by the grease filter insert suspension device Wear a cover (24).

Die Figuren 9, 10 und 11 zeigen, dass die eine oder die mehreren zentralen Aussparungen (4) des Kochfeldes (1) zur Strömungsoptimierung jeweils einen oder mehrere Lamellenverschlüsse (30) aufweisen können. Dieser Lamellenverschluss (30) ist insbesondere für eine horizontale - und gegebenenfalls auch für eine vertikale - Ausrichtung der Kochdunst-Ansaugströmung (27) in Richtung des oder der jeweils aktiven Kochstellen (2) vorteilhaft.The Figures 9 , 10 and 11 show that the one or more central recesses (4) of the hob (1) can each have one or more lamellar closures (30) for flow optimization. This lamellar closure (30) is particularly advantageous for a horizontal - and possibly also for a vertical - alignment of the cooking vapor suction flow (27) in the direction of the respective active hotplate (s) (2).

In der Regel umfasst jeder Lamellenverschluss (30) jeweils eine oder mehrere Lamellen (31), deren Längsachsen (32) vorzugsweise horizontal ausgerichtet sind.As a rule, each lamella closure (30) comprises one or more lamellae (31), the longitudinal axes (32) of which are preferably aligned horizontally.

In besonders bevorzugten Ausführungsformen des erfindungsgemäßen Kochfeldes (1) kann - insbesondere zur vertikalen Ausrichtung der Kochdunst-Ansaugströmung (27) und damit zur Anpassung an die vertikale Höhe des verwendeten Kochgeschirres - jede Lamelle (31) um eine horizontale Schwenkachse (33) in einem Winkel α reversibel hin- und herschwenkbar sein, welcher beispielsweise in einem Bereich von 0° bis 180°, vorzugsweise in einem Bereich von 0° bis 110°, insbesondere in einem Bereich von 0° bis 90°, liegt. Insbesondere für eine horizontale Ausrichtung der Kochdunst-Ansaugströmung (27) in Richtung des oder der jeweils aktiven Kochstellen (2) kann der Lamellenverschluss (30) beispielsweise um seine Hochachse (34) in einem Winkel β reversibel drehbar sein. Dieser Winkel β kann beispielsweise ohne Begrenzung in dem Bereich von 0° bis 360° liegen. Wie insbesondere Figur 10 zu entnehmen ist, kann die Ebene des Lamellenverschlusses (30) knapp oberhalb der Ebene des Kochfeldes (1) liegen. Alternativ hierzu kann die Ebene des Lamellenverschlusses (30) etwa auf der vertikalen Höhe des Kochfeldes (1) liegen. Gemäß Figur 11 kann die Ebene des Lamellenverschlusses (30) jedoch auch unterhalb des Kochfeldes (1) vorgesehen sein. In besonders bevorzugten Ausführungsformen des erfindungsgemäßen Kochfeldes (1) kann der Lamellenverschluss (30) - zu Reinigungszwecken - von der zentralen Aussparung (4) des Kochfeldes (1) abnehmbar sein.In particularly preferred embodiments of the hob (1) according to the invention - in particular for vertical alignment of the cooking vapor suction flow (27) and thus for adaptation to the vertical height of the cooking utensils used - each lamella (31) around a horizontal pivot axis (33) at an angle α can be reversibly pivoted back and forth, which is for example in a range from 0 ° to 180 °, preferably in a range from 0 ° to 110 °, in particular in a range from 0 ° to 90 °. In particular, for a horizontal alignment of the cooking vapor suction flow (27) in the direction of the respective active hotplate (s) (2), the lamella closure (30) can be reversibly rotatable about its vertical axis (34) at an angle β, for example. This angle β can, for example, be in the range from 0 ° to 360 ° without limitation. How in particular Figure 10 can be seen, the level of the lamella closure (30) can be just above the level of the hob (1). As an alternative to this, the plane of the lamella closure (30) can be approximately at the vertical height of the hob (1). According to Figure 11 However, the plane of the lamella closure (30) can also be provided below the hob (1). In particularly preferred embodiments of the hob (1) according to the invention, the lamella closure (30) can be removed from the central recess (4) of the hob (1) for cleaning purposes.

Gegenstand der vorliegenden Erfindung ist darüber hinaus ein Kochfeld (1) mit einer zentralen Aussparung (4), welches in Form einer Montageeinheit mit einer an seiner Unterseite (35) angebrachten Vorrichtung (36) zum Betreiben des Kochfeldes (1) und zum Abzug von Kochdünsten nach unten ausgebildet ist und in eine korrespondierend zu ihren Abmessungen ausgebildete Aussparung der Küchen-Arbeitsplatte (54) schnell und einfach einsetzbar ist.The present invention also relates to a hob (1) with a central recess (4), which is in the form of an assembly unit with a device (36) attached to its underside (35) for operating the hob (1) and for extracting cooking fumes is designed downwards and can be quickly and easily inserted into a recess in the kitchen worktop (54) designed to match its dimensions.

Insbesondere in den Figuren 12 bis 16 ist dargestellt, dass die Vorrichtung (36) - in vertikaler Richtung nach unten nacheinander folgend - an der Unterseite (35) des Kochfeldes (1) ein Gehäuse (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik, ein Lüfter-Gehäuse (48) für zwei oder mehrere Radial-Lüfter (38) und eine oder mehrere Kochdunst-Ansaugkammern (39) - zur horizontalen, nach außen gerichteten Kochdunst-Weiterleitung sowie zur Bereitstellung des Kochdunst-Stromes für eine vertikal nach oben gerichtete Ansaugung durch die in dem vertikal höher liegenden Lüfter-Gehäuse (48) vorgesehenen Radial-Lüfter (38) - umfassen kann.Especially in the Figures 12 to 16 it is shown that the device (36) - following one after the other in the vertical direction - on the underside (35) of the hob (1) has a housing (44) for the heating or hob heating and control electronics, a fan housing (48) for two or more radial fans (38) and one or more cooking vapors suction chambers (39) - for horizontal, outwardly directed cooking vapors forwarding and for providing the cooking vapors stream for a vertically upward suction through the in the vertically higher fan housing (48) provided radial fan (38) - may include.

Ein besonderer Vorteil dieses erfindungsgemäß ausgestalteten Kochfeldes (1) besteht darin, dass der Abstand (40) zwischen der Unterseite (35) des Kochfeldes (1) einerseits und der Unterseite des Bodens (42) der Kochdunst-Ansaugkammern (39) andererseits in einem Bereich von lediglich 110 mm bis 260 mm, vorzugsweise in einem Bereich von 140 mm bis 230 mm, insbesondere in einem Bereich von 150 mm bis 200 mm, liegt.A particular advantage of this hob (1) designed according to the invention is that the distance (40) between the underside (35) of the hob (1) on the one hand and the underside of the bottom (42) of the cooking vapors suction chambers (39) on the other hand is in one area from only 110 mm to 260 mm, preferably in a range from 140 mm to 230 mm, in particular in a range from 150 mm to 200 mm.

Wie insbesondere den Figuren 14, 15 und 16 zu entnehmen ist, kann bei diesem in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeld (1) beispielsweise stromabwärts von der zentralen Aussparung (4) des Kochfeldes (1) eine vertikal nach unten ausgerichtete, rohrförmige Abluft-Leitung (50) vorgesehen sein.Like the one in particular Figures 14 , 15th and 16 can be seen, with this hob (1) in the form of an assembly unit with a device (36), a tubular exhaust air line (50) oriented vertically downwards can be provided, for example, downstream of the central recess (4) of the hob (1) be.

In der Regel kann stromabwärts nachfolgend von der Abluft-Leitung (50) ein hohlzylindrischer Fettfilter (6) reversibel - nach oben zu Reinigungszwecken durch die zentrale Aussparung (4) des Kochfeldes (1) herausnehmbar - vorgesehen sein.As a rule, a hollow cylindrical grease filter (6) reversible - removable upwards for cleaning purposes through the central recess (4) in the hob (1) - can be provided downstream of the exhaust air line (50).

Im Allgemeinen kann der obere Randbereich (51) des hohlzylindrischen Fettfilters (6) an der Innenwand des unteren Abschnittes (52) der rohrförmigen Abluft-Leitung (50) dicht anliegen. Der untere Randbereich (53) des hohlzylindrischen Fettfilters (6) kann den unteren Abschnitt (52) der rohrförmigen Abluft-Leitung (50) vertikal nach unten ausgerichtet überragen.In general, the upper edge area (51) of the hollow cylindrical grease filter (6) can lie tightly against the inner wall of the lower section (52) of the tubular exhaust air line (50). The lower edge area (53) of the hollow cylindrical grease filter (6) can protrude above the lower section (52) of the tubular exhaust air line (50) oriented vertically downwards.

In bevorzugten Ausführungsformen des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) können stromabwärts von dem hohlzylindrischen Fettfilter (6) nachfolgend und seitlich horizontal außenliegend von diesem zwei oder mehrere tiefliegende Kochdunst-Ansaugkammern (39) zur horizontalen, nach außen gerichteten Abführung von durch den Fettfilter (6) hindurchgetretenen Kochdünsten (63) vorgesehen sein.In preferred embodiments of the hob (1) according to the invention, designed in the form of an assembly unit with a device (36), downstream of the hollow cylindrical grease filter (6) and laterally and horizontally on the outside of this two or more deep cooking vapor suction chambers (39) for horizontal, outward discharge of cooking vapors (63) that have passed through the grease filter (6) can be provided.

Insbesondere die Figuren 14 und 16 zeigen, dass in den Mittenbereichen (59) der vertikal oben liegenden Decken (60) der Kochdunst-Ansaugkammern (39) zwei oder mehrere Aussparungen (61) - für die von unten nach oben gerichtete Hindurchführung der Kochdünste (63) zu den stromabwärts von den Aussparungen (61) vorgesehenen Radial-Lüftern (38) - vorgesehen sein können.especially the Figures 14 and 16 show that in the middle areas (59) of the vertically overhead ceilings (60) of the cooking vapors suction chambers (39) two or more recesses (61) - for the bottom-up passage of the cooking vapors (63) to the downstream of the Radial fans (38) provided for recesses (61) - can be provided.

Wie insbesondere den Figuren 14 und 16 zu entnehmen ist, können die Radial-lüfter-Motoren (56) zentriert über den zu ihnen gehörenden Aussparungen (61) in den Mittenbereichen (59) der Decken (60) der Kochdunst-Ansaugkammern (39), an der Unterseite (45) des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik, angebracht sein.Like the one in particular Figures 14 and 16 can be seen, the radial fan motors (56) can be centered over the recesses (61) belonging to them in the middle areas (59) of the ceilings (60) of the cooking vapors suction chambers (39), on the underside (45) of the Housing (44) for the heating or hob heating and control electronics.

In dem Gehäuse (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungselektronik können unter anderem beispielsweise die Kochfeld-Heizelemente (37), die Leistungs-Elektronik (55) für die Lüfter-Motoren (56) und Touch-Control-Bedienungselemente (57) enthalten sein (siehe Figur 12). An der Unterseite des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik kann unter anderem beispielsweise ein Geräte-Netzanschluss (58) vorgesehen sein (siehe Figur 13).In the housing (44) for the heating or hob heating and control electronics, for example, the hob heating elements (37), the power electronics (55) for the fan motors (56) and touch control operating elements (57 ) must be included (see Figure 12 ). On the underside of the housing (44) for the heating or hob heating and control electronics, for example, a device mains connection (58) can be provided (see FIG Figure 13 ).

Insbesondere die Figuren 14 und 16 zeigen, dass die Drehachsen (62) der Radiallüfter-Motoren (56) vertikal ausgerichtet sein können und dass die von dem rotierenden Lüfterrad (65) vertikal nach oben ansaugend erfassten Kochdünste (63) in das oberhalb der jeweiligen Ansaug-Kammer (39) vorgesehene Lüfter-Gehäuse (48) transportiert werden können.especially the Figures 14 and 16 show that the axes of rotation (62) of the radial fan motors (56) can be aligned vertically and that the cooking vapors (63) collected vertically upwards by the rotating fan wheel (65) into the above the respective suction chamber (39) Fan housing (48) can be transported.

Wie aus Figur 15 hervorgeht, kann das Lüfter-Gehäuse (48) - in der Draufsicht - einen spiralförmigen Aufbau mit einer stromaufwärts befindlichen Führungskammer (66) und einer stromabwärts nachfolgenden Ausblaskammer (67) aufweisen. Gemäß den Figur 15 kann stromabwärts von den Ausblaskammern (67) ein sämtliche Ausblas-Kammern (67) der Radial-Lüfter (38) anschließender Raum (68) zur Aufteilung und Ausrichtung der Kochdunst-Ausblasströme (69) vorgesehen sein. Dieser Raum (68) kann beispielsweise zwei oder mehrere Luftleitflächen (70) aufweisen. Diese Luftleitflächen (70) können vorzugsweise derart angeordnet und geformt sein, dass der stromabwärts von dem Aufteilungs-Raum (68) vorgesehene Geruchsfilter (71) - in Bezug auf seine Gesamtfläche - gleichmäßig von den Kochdunst-Ausblasströmen (69) angeblasen wird.How out Figure 15 As can be seen, the fan housing (48) can - in plan view - have a spiral structure with an upstream guide chamber (66) and a downstream discharge chamber (67). According to the Figure 15 For example, downstream of the exhaust chambers (67) a space (68) adjoining all the exhaust chambers (67) of the radial fans (38) can be provided for dividing and aligning the cooking vapor exhaust streams (69). This space (68) can, for example, have two or more air guide surfaces (70). These air guide surfaces (70) can preferably be arranged and shaped in such a way that the odor filter (71) provided downstream of the partitioning space (68) - in relation to its total area - is evenly blown by the cooking vapors exhaust streams (69).

Wie aus Figur 15 ersichtlich, kann stromabwärts von dem Geruchsfilter (71) ein in horizontaler und/oder in vertikaler Richtung flexibler Faltenbalg (72) zum flexiblen und vibrations- und geräusch-entkoppelten Anschluss an einen stromabwärts nachfolgenden Abluftkanal oder Küchenkorpus vorgesehen sein.How out Figure 15 As can be seen, downstream of the odor filter (71) a bellows (72) flexible in the horizontal and / or in the vertical direction can be provided for flexible and vibration- and noise-decoupled connection to a downstream exhaust duct or kitchen body.

In besonders bevorzugten Ausführungsformen des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) kann der Kochdunst (63) den hohlzylindrischen Fettfilter-Einsatz (6) mit einer Geschwindigkeit in dem Bereich von 1,0 m/sec bis 4,5 m/sec, vorzugsweise in dem Bereich von 1,15 m/sec bis 4,25 m/sec, insbesondere in dem Bereich von 1,75 m/sec bis 4,0 m/sec, durchströmen. In bevorzugten Ausführungsformen des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) kann der Kochdunst (63) den Geruchsfilter (71) mit einer Geschwindigkeit in dem Bereich von 0,5 m/sec bis 3,0 m/sec, vorzugsweise in dem Bereich von 0,7 m/sec bis 2,7 m/sec, insbesondere in dem Bereich von 1,0 m/sec bis 2,5 m/sec, durchströmen.In particularly preferred embodiments of the hob (1) in the form of an assembly unit with a device (36) according to the invention, the cooking vapors (63) can pass the hollow cylindrical grease filter insert (6) at a speed in the range from 1.0 m / sec to 4.5 m / sec, preferably in the range from 1.15 m / sec to 4.25 m / sec, in particular in the range from 1.75 m / sec to 4.0 m / sec. In preferred embodiments of the hob (1) according to the invention in the form of an assembly unit with a device (36), the cooking vapor (63) can pass the odor filter (71) at a speed in the range from 0.5 m / sec to 3.0 m / sec, preferably in the range from 0.7 m / sec to 2.7 m / sec, in particular in the range from 1.0 m / sec to 2.5 m / sec.

In der Regel kann der Abstand (43) zwischen der Unterseite (35) des Kochfeldes (1) einerseits und der Unterseite (45) des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik andererseits in einem Bereich von 45 mm bis 80 mm liegen. Im Allgemeinen kann der Abstand (46) zwischen der Unterseite (45) des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungs-Elektronik einerseits und der Unterseite (47) des Lüfter-Gehäuses (48) andererseits in einem Bereich von 60 mm bis 100 mm liegen. Der Abstand (49) zwischen der Unterseite (47) des Lüfter-Gehäuses (48) einerseits und der Unterseite des Bodens (42) der Kochdunst-Ansaugkammer (39) andererseits kann beispielsweise in einem Bereich von 45 mm bis 80 mm liegen.As a rule, the distance (43) between the underside (35) of the hob (1) on the one hand and the underside (45) of the housing (44) for the heating or hob heating and control electronics on the other hand can be in a range of 45 mm up to 80 mm. In general, the distance (46) between the underside (45) of the housing (44) for the heating or hob heating and control electronics on the one hand and the underside (47) of the fan housing (48) on the other hand can be in a range of 60 mm to 100 mm. The distance (49) between the underside (47) of the fan housing (48) on the one hand and the underside of the bottom (42) of the cooking fume suction chamber (39) on the other hand can be, for example, in a range from 45 mm to 80 mm.

Wie besonders aus Figur 15 ersichtlich, können - in einer Draufsicht - zwei Radial-Lüfter (38) in dem Lüfter-Gehäuse (48) beidseitig von der stromabwärts von der zentralen Kochfeld-Aussparung (4) vorgesehenen, rohrförmigen Abluft-Leitung (50) positioniert sein. Vorzugsweise sind dann die Drehrichtungen (73) der beiden Lüfterräder (65) dieser beiden Radial-Lüfter (38) zueinander entgegengesetzt: Gemäß Figur 15 kann - in einer Draufsicht - das linke Lüfterrad (65) entgegen dem Uhrzeigersinn rotativ antreibbar sein, während - in einer Draufsicht - das rechte Lüfterrad (65) dann im Uhrzeigersinn rotativ antreibbar ist. In diesem Falle können die beiden Ausblaskammern (67) der beiden Radial-Lüfter (38) zu der zentralen Abluft-Leitung (50) benachbart sein.How special Figure 15 As can be seen, two radial fans (38) can be positioned in the fan housing (48) on both sides of the tubular exhaust air line (50) provided downstream of the central hob recess (4) in a plan view. The directions of rotation (73) of the two fan wheels (65) of these two radial fans (38) are then preferably opposite to one another: Figure 15 can - in a plan view - the left fan wheel (65) can be driven counterclockwise in rotation, while - in a plan view - The right fan wheel (65) can then be driven in a clockwise rotation. In this case, the two discharge chambers (67) of the two radial fans (38) can be adjacent to the central exhaust air line (50).

Die gegenläufige Ausrichtung der Drehrichtungen (73) gemäß Figur 15 führt zu dem Vorteil, dass die beiden Kochdunst-Ausblasströme (69) den stromabwärts von dem Raum (68) zur Aufteilung und Ausrichtung der Ausblasströme (69) vorgesehenen Geruchsfilter (71) mittelbar über Luftleitflächen (70) oder unmittelbar gleichmäßig anströmen.The opposite alignment of the directions of rotation (73) according to Figure 15 leads to the advantage that the two cooking vapors exhaust streams (69) flow evenly towards the odor filter (71) provided downstream of the room (68) for dividing and aligning the exhaust streams (69) indirectly via air guide surfaces (70) or directly.

Insbesondere Figur 14 zeigt, dass - in einer Draufsicht - der im Inneren des hohlzylindrischen Fettfilters (6) befindliche zentrale Boden-Bereich (74) zumindest gegenüber den beidseitig von diesem zentralen Boden-Bereich (74) vorgesehenen seitlichen Böden (42) der beiden Ansaugkammern (39) unter Ausbildung eines Anschlages (75) für den unteren Randbereich (53) des hohlzylindrischen Fettfilters (6) zumindest etwas abgesenkt sein kann. Ferner kann der zentrale Boden-Bereich (74) - zum Sammeln und Auffangen von übergelaufener Flüssigkeit - zu einer zentralen oder randwärtigen Absenkung (76) geneigt ausgebildet sein. In diesem Falle besteht eine besonders bedienerfreundliche Zugriffsmöglichkeit auf den zentralen Boden-Bereich (74) zu Reinigungszwecken.Especially Figure 14 shows that - in a top view - the central base area (74) located inside the hollow cylindrical grease filter (6) at least opposite the lateral bases (42) of the two suction chambers (39) provided on both sides of this central base area (74) with the formation of a stop (75) for the lower edge region (53) of the hollow cylindrical grease filter (6) can be at least slightly lowered. Furthermore, the central base area (74) - for collecting and catching overflowing liquid - can be inclined towards a central or edge-side depression (76). In this case, there is a particularly user-friendly access option to the central floor area (74) for cleaning purposes.

Zusammenfassend ist festzustellen, dass im Rahmen der vorliegenden Erfindung ein Kochfeld mit einer Einrichtung zum Abzug von Kochdünsten in vertikal unterhalb der Ebene des Kochfeldes liegender Richtung bereitgestellt wird.In summary, it should be noted that within the scope of the present invention, a hob is provided with a device for extracting cooking vapors in a direction vertically below the plane of the hob.

Bei der erfindungsgemäßen Vorrichtung wird erstmals eine Kochdunst-Abzugseinrichtung mit einem Kochfeld zu einem Bauteil kombiniert, wodurch sich besonders niedrige Herstellungs- und Montagekosten ergeben.In the device according to the invention, for the first time, a cooking fume extractor device is combined with a hob to form one component, which results in particularly low manufacturing and assembly costs.

Da das erfindungsgemäße Kochfeld (1) im Bereich seines geometrischen Flächenschwerpunktes (3) eine in der Draufsicht runde oder ovale oder quadratische Aussparung (4) für eine Vorrichtung (5) zum Abzug von Kochdünsten in vertikal unterhalb des Kochfeldes (1) weisender Richtung nach unten aufweist, können nun erstmals die auf beiden Seiten und rückwärtig von dem Kochfeld befindlichen Flächen auf der das Kochfeld tragenden Arbeitsplatte für Abstellzwecke oder ähnliches uneingeschränkt genutzt werden.Since the hob (1) according to the invention in the area of its geometric center of gravity (3) has a recess (4), which is round or oval or square in plan view, for a device (5) for extracting cooking fumes in vertically below the hob (1) pointing downwards, the surfaces on both sides and to the rear of the hob can now for the first time be used without restriction on the worktop carrying the hob for storage purposes or the like.

Da die Vorrichtung (5) zum Abzug von Kochdünsten nunmehr im Bereich des geometrischen Flächenschwerpunktes (3) des Kochfeldes (1) zentral vorgesehen ist, wirken auf der gesamten Fläche des Kochfeldes (1) ausreichend starke und sich nicht gegeneinander aufhebende Absaug-Strömungen. Hierdurch werden sowohl im zentralen Bereich des Kochfeldes als auch in dessen Randbereichen ein Aufsteigen und Ausbreiten von Kochdünsten sicher vermieden.Since the device (5) for extracting cooking vapors is now provided centrally in the area of the geometric center of gravity (3) of the hob (1), suction flows that are sufficiently strong and do not cancel each other act on the entire area of the hob (1). This reliably prevents cooking fumes from rising and spreading both in the central area of the hob and in its edge areas.

Besondere Vorteile des erfindungsgemäßen Kochfeldes (1) sind ferner darin zu sehen, dass dessen Herstellungs-, Montage-, Wartungs- und Betriebskosten besonders gering sind.Particular advantages of the hob (1) according to the invention can also be seen in the fact that its production, assembly, maintenance and operating costs are particularly low.

Vorteilhaft im Falle des erfindungsgemäßen Kochfeldes (1) ist außerdem, dass die für die Absaugung eingesetzte elektrische Energie besonders effizient genutzt wird, weshalb der Wirkungsgrad des erfindungsgemäßen Kochfeldes (1) besonders groß ist.Another advantage of the hob (1) according to the invention is that the electrical energy used for the suction is used particularly efficiently, which is why the efficiency of the hob (1) according to the invention is particularly high.

Ein weiterer Vorteil des erfindungsgemäßen Kochfeldes (1) liegt darin, dass die Geräuschentwicklung auch während des Kochdunst-Absaug-Betriebes sehr gering ist.Another advantage of the hob (1) according to the invention lies in the fact that the development of noise is very low even during the cooking fume extraction mode.

Bezüglich des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) kann zusammenfassend festgestellt werden, dass dessen Bauhöhe besonders gering ist, wodurch der im Küchenkorpus ungehindert nutzbare Raum ausgeprägt ist.With regard to the hob (1) according to the invention, designed in the form of an assembly unit with a device (36), it can be stated in summary that its overall height is particularly low, which means that the space in the kitchen body can be used without hindrance.

Von besonderem Vorteil des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) ist ferner dessen Kompaktheit und die Tatsache, dass es im Werk vollständig vormontiert werden kann. Dadurch sind der Planungs- und Montageaufwand besonders gering. Schließlich muss die komplett vormontierte, kompakte Montageeinheit nur mehr in eine Aussparung der Arbeitsplatte eingesetzt werden, wodurch sich eine besonders schnelle, einfache und kostengünstige Montage ergibt.A particular advantage of the hob (1) according to the invention, designed in the form of an assembly unit with a device (36), is its compactness and the fact that it can be completely pre-assembled in the factory. This means that the planning and installation effort is particularly low. Finally, the completely pre-assembled, compact assembly unit only needs to be inserted into a recess in the worktop, which results in particularly quick, simple and inexpensive assembly.

Durch das Vorsehen von zwei oder mehreren, zueinander gegenüberliegenden Radial-Lüftern (38) stromabwärts von dem hohlzylindrischen Fettfilter (6) - gemäß den Figuren 17 und 18 - ergibt sich eine deutlich vergrößerte Wirkfläche des Fettfilters (6) und eine Erhöhung des Durchsatzvolumens unter Verbesserung des Fett-Abscheidegrades sowie unter Ausbildung eines besonders niedrigen Druckverlustes an der größeren, effektiv wirksamen Fettfilterfläche (6). Dies führt zu dem Vorteil, dass die Lüfter-Motoren (56) der Radial-Lüfter (38) besonders klein, energiesparend, energieeffizient und leise ausgebildet sein können. Außerdem kann die Drehzahl der Lüfter-Motoren (56) geringer gewählt werden, weshalb die erfindungsgemäß eingesetzten Radial-Lüfter (38) besonders leise, vibrationsarm und energieeffizient arbeiten.By providing two or more radial fans (38) opposite one another, downstream from the hollow cylindrical grease filter (6) - according to FIGS Figures 17 and 18 - The result is a significantly larger effective area of the grease filter (6) and an increase in the throughput volume with an improvement in the degree of grease separation and with the formation of a particularly low pressure loss on the larger, effectively effective grease filter area (6). This leads to the advantage that the fan motors (56) of the radial fans (38) can be designed to be particularly small, energy-saving, energy-efficient and quiet. In addition, the speed of the fan motors (56) can be selected to be lower, which is why the radial fans (38) used according to the invention operate particularly quietly, with low vibration and energy-efficiently.

Ein besonderer Vorteil des erfindungsgemäßen, in Form einer Montageeinheit mit einer Vorrichtung (36) ausgebildeten Kochfeldes (1) besteht darin, dass sie einen effektiven Schutz vor und Unempfindlichkeit gegenüber übergelaufener, durch die zentrale Aussparung (4) eingedrungene Flüssigkeit - bis zu einem Volumen von 5 I- bietet. Denn durch die Aufhängung der Lüfter-Motoren (56) an dem Boden (45) des Gehäuses (44) für die Beheizungs- oder Kochfeldbeheizung- und Steuerungselektronik steht grundsätzlich das wannenartige Volumen der tiefstliegenden Kochdunst-Ansaugkammer (39) zur Aufnahme von Überlauf-Flüssigkeit unter Ausschluss einer Gefährdung der Lüfter-Motoren (56) zur Verfügung. A particular advantage of the hob (1) according to the invention in the form of an assembly unit with a device (36) is that it provides effective protection against and insensitivity to overflowing liquid that has penetrated through the central recess (4) - up to a volume of 5 I- offers. Because the fan motors (56) are suspended from the bottom (45) of the housing (44) for the heating or hob heating and control electronics, the tub-like volume of the lowest-lying cooking vapor suction chamber (39) is basically used to hold overflow liquid with the exclusion of any risk to the fan motors (56).

Claims (15)

  1. A hob (1) for mounting it onto or into a work surface, with 1.1. one or more cooking locations (2),
    1.2. one or more devices (5) to extract cooking vapours,
    1.3. a central recess (4),
    1.4. a grease filter insert (6) inserted into the recess (4), which is enclosed laterally and/or below by an exhaust duct (9),
    1.5. wherein the recess (4) is connected with one or more devices (5) to remove cooking vapours,
    1.6. wherein the recess (4) is arranged in an area around a geometric center of the hob (1),
    1.7. wherein the side walls of the grease filter insert (6) as well as its
    bottom is permeable for cooking vapours,
    characterised in that
    1.8 a bottom side of the exhaust duct (9) below the area of the central recess (4) is configured in the form of a liquid-collecting tray (15).
  2. A hob (1) according to claim 1, characterised in that the grease filter insert (6) is formed as multiple-part.
  3. A hob (1) according to claims 1 or 2, characterised in that on a floor (12) of the exhaust duct (9), a liquid stop (13) protruding above the level of the floor (12) is arranged.
  4. A hob (1) according to claim 3, characterised in that the liquid-collecting tray (15) is limited by the liquid stop (13) downwards and otherwise by the walls (14) of the exhaust duct (9).
  5. A hob (1) according to one of the preceding claims, characterised in that the liquid-collecting tray (15) can be manually drained through the recess (4) of the hob (1).
  6. A hob (1) according to one of the preceding claims, characterised in that an edge of the recess (4) bears an overflow protection.
  7. A hob (1) according to one of the preceding claims, characterised in that the grease filter insert (6) is tightly connected to an edge area of the recess (4).
  8. A hob (1) according to one of the preceding claims, characterised in that it can be mounted to the work surface surrounding the hob without a separate installation frame.
  9. A hob (1) according to one of the preceding claims, characterised in that it is combined to a single component with the device (5) to remove cooking vapours.
  10. A hob (1) according to one of the preceding claims, characterised in that the form of the one or more recesses (4) - in a plan view - is round or oval.
  11. A hob (1) according to one of the preceding claims, characterised by a cooking vapour aspiration chamber (39) for the horizontal transmission of the cooking vapours, which can be used for the collection of overflow liquid.
  12. A hob (1) according to one of the preceding claims, characterised in that it forms a completely pre-assembled assembly unit which can be mounted into a recess of a work surface.
  13. A hob (1) according to one of the preceding claims, characterised in that the grease filter insert (6) is configured in cross section in the form of a letter U.
  14. A hob (1) according to one of the preceding claims, characterised in that the grease filter insert (6) is configured in the form of a letter U with sack-shaped or cap-shaped widening of its lower area to the side and/or in downstream direction.
  15. A hob (1) according to one of the preceding claims with a fan housing (48) and a cooking vapour aspiration chamber (39), characterised in that a distance (49) between a bottom side (47) of the fan housing (48) and a bottom side of a floor (42) of the cooking vapour aspiration chamber (39) is in the range of 45 mm to 80 mm.
EP17184069.7A 2011-04-28 2012-04-28 Cooktop with steam extractor Active EP3282197B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL17197091T PL3287702T3 (en) 2011-04-28 2012-04-28 Hotplate and steam extractor
EP22157724.0A EP4019851A1 (en) 2011-04-28 2012-04-28 Cooking hob
EP23165982.2A EP4224071A3 (en) 2011-04-28 2012-04-28 Cooktop
PL17184069T PL3282197T3 (en) 2011-04-28 2012-04-28 Cooktop with steam extractor
EP21168165.5A EP3869107B1 (en) 2011-04-28 2012-04-28 Cooking hob
EP17197091.6A EP3287702B1 (en) 2011-04-28 2012-04-28 Hotplate and steam extractor
SI201231898T SI3282197T1 (en) 2011-04-28 2012-04-28 Cooktop with steam extractor
PL21168165T PL3869107T3 (en) 2011-04-28 2012-04-28 Cooking hob
EP20216989.2A EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE202011005698U DE202011005698U1 (en) 2011-04-28 2011-04-28 Hob with central suction of cooking fumes down
EP12733398.7A EP2702329B1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction
EP15177616.8A EP2975327B2 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor
PCT/DE2012/000458 WO2012146237A1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP15177616.8A Division-Into EP2975327B2 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor
EP15177616.8A Division EP2975327B2 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor
EP12733398.7A Division EP2702329B1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction

Related Child Applications (6)

Application Number Title Priority Date Filing Date
EP17197091.6A Division EP3287702B1 (en) 2011-04-28 2012-04-28 Hotplate and steam extractor
EP17197091.6A Division-Into EP3287702B1 (en) 2011-04-28 2012-04-28 Hotplate and steam extractor
EP21168165.5A Division EP3869107B1 (en) 2011-04-28 2012-04-28 Cooking hob
EP22157724.0A Division EP4019851A1 (en) 2011-04-28 2012-04-28 Cooking hob
EP20216989.2A Division EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor
EP23165982.2A Division EP4224071A3 (en) 2011-04-28 2012-04-28 Cooktop

Publications (2)

Publication Number Publication Date
EP3282197A1 EP3282197A1 (en) 2018-02-14
EP3282197B1 true EP3282197B1 (en) 2021-01-06

Family

ID=44860010

Family Applications (8)

Application Number Title Priority Date Filing Date
EP17184069.7A Active EP3282197B1 (en) 2011-04-28 2012-04-28 Cooktop with steam extractor
EP23165982.2A Pending EP4224071A3 (en) 2011-04-28 2012-04-28 Cooktop
EP22157724.0A Pending EP4019851A1 (en) 2011-04-28 2012-04-28 Cooking hob
EP21168165.5A Active EP3869107B1 (en) 2011-04-28 2012-04-28 Cooking hob
EP12733398.7A Active EP2702329B1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction
EP15177616.8A Active EP2975327B2 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor
EP17197091.6A Active EP3287702B1 (en) 2011-04-28 2012-04-28 Hotplate and steam extractor
EP20216989.2A Pending EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor

Family Applications After (7)

Application Number Title Priority Date Filing Date
EP23165982.2A Pending EP4224071A3 (en) 2011-04-28 2012-04-28 Cooktop
EP22157724.0A Pending EP4019851A1 (en) 2011-04-28 2012-04-28 Cooking hob
EP21168165.5A Active EP3869107B1 (en) 2011-04-28 2012-04-28 Cooking hob
EP12733398.7A Active EP2702329B1 (en) 2011-04-28 2012-04-28 Hob with central removal of cooking vapours by suction-extraction in the downward direction
EP15177616.8A Active EP2975327B2 (en) 2011-04-28 2012-04-28 Assembly unit comprising a hotplate and steam extractor
EP17197091.6A Active EP3287702B1 (en) 2011-04-28 2012-04-28 Hotplate and steam extractor
EP20216989.2A Pending EP3828469A1 (en) 2011-04-28 2012-04-28 Cooking hob with extractor

Country Status (15)

Country Link
US (4) US10006641B2 (en)
EP (8) EP3282197B1 (en)
CN (2) CN103688111B (en)
AU (1) AU2012247900B2 (en)
DE (5) DE202011005698U1 (en)
DK (4) DK3282197T3 (en)
ES (4) ES2545632T3 (en)
FI (1) FI2975327T4 (en)
HU (1) HUE036006T2 (en)
NO (1) NO3173524T3 (en)
PL (5) PL3287702T3 (en)
PT (3) PT3869107T (en)
RU (1) RU2549938C2 (en)
SI (1) SI3282197T1 (en)
WO (1) WO2012146237A1 (en)

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