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EP3336438B1 - Extractor hood - Google Patents

Extractor hood Download PDF

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Publication number
EP3336438B1
EP3336438B1 EP17203960.4A EP17203960A EP3336438B1 EP 3336438 B1 EP3336438 B1 EP 3336438B1 EP 17203960 A EP17203960 A EP 17203960A EP 3336438 B1 EP3336438 B1 EP 3336438B1
Authority
EP
European Patent Office
Prior art keywords
extractor hood
baffle plate
storage container
extractor
hood according
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
EP17203960.4A
Other languages
German (de)
French (fr)
Other versions
EP3336438A1 (en
Inventor
Adnen KATEB
Katharina Ollendorff
Daniel Schopp
Tarak Turki
Thomas Wilde
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3336438A1 publication Critical patent/EP3336438A1/en
Application granted granted Critical
Publication of EP3336438B1 publication Critical patent/EP3336438B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGESĀ ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes

Definitions

  • the present invention relates to an extractor hood with a collecting container, in particular an extractor hood with edge suction.
  • Extractor hoods for extracting and filtering moist or fatty kitchen vapors, also called vapors, over hobs and stoves are known in various designs.
  • the invention relates to extractor hoods with edge extraction, which is usually used in wall or island dining, as well as ceiling-bound extractor hoods. With such designs, the underside of the hood, through which the air is sucked out, is visible to the user.
  • baffle plate in front of the actual grease filter, which can be, for example, an expanded metal filter, which largely covers the suction opening, in such extractor hoods.
  • the baffle plate is provided at a defined, sufficiently large distance from the grease filter. Contaminated air is sucked in via a circumferential gap formed on the edge of the baffle plate between the baffle plate and the extractor hood, in particular the extractor housing. Accordingly, the vapor can flow along the edge of the baffle plate and reach the grease filter. Filter units in which the vapors are cleaned in this way are also referred to as edge suction filters.
  • the DE 100 00 841 A1 discloses a range hood device.
  • the underside of the extractor hood is flat, except for the underside of an outwardly protruding pyramid-shaped fat collecting tray.
  • the fat drip tray prevents fat from dripping off or dripping back.
  • a filter arrangement which can preferably consist of a metal filter, is arranged above the fat collecting tray.
  • CN 1 247 291 A describes an extractor hood in which a filter box and a separation filter are arranged below the fan.
  • the separation filter has a housing.
  • a gap is formed between the housing and an inner cylinder in which the filter box is received.
  • a filter medium which can be water or another absorbing medium, is arranged in the housing.
  • the DE 10 2007 055 308 A1 discloses a filter device for an extractor hood with a first filter element and a collecting container arranged below the first filter element.
  • the filter surface of the first filter element represents a first suction zone and a second suction zone is separated from the first suction zone by a drainage area.
  • the collecting container is screwed to a base plate 13 which is arranged between the filter element and the collecting container.
  • the EP 2 420 738 A1 discloses an air guide unit for an intake opening of an extractor hood, which comprises a baffle plate and at least one passage opening which is above the baffle plate and has an inflow geometry at least partially surrounding the baffle plate with at least one inflow surface.
  • an extractor hood in particular a headroom hood, which comprises a frame device, a suction surface being provided on a receiving section of the frame device.
  • a separate collecting channel is also assigned to the receiving section.
  • This extractor hood has the disadvantage that the collecting channel can only have a small size and must be removed from the extractor hood separately from the suction surface for cleaning.
  • the object of the present invention is to create an extractor hood with an edge suction filter that is particularly easy to clean.
  • the invention is based on an extractor hood with an extractor housing, a fan accommodated in the extractor housing, an inner frame with an extraction opening, a filter unit for cleaning the air sucked in by the fan, the surface of the filter unit being parallel to the surface of the extraction opening and the extraction opening at least partially covers, and a baffle plate which at least partially covers the suction opening and is arranged in the direction of flow in front of the filter unit.
  • a collecting container for liquid contaminants is provided.
  • the collecting container is detachably connected to the extractor hood and rests at least partially on the floor on the inside of the baffle plate.
  • an extractor hood is referred to as an extractor hood which is used in particular to clean contaminated air that occurs in kitchens above a hob.
  • the polluted air is also known as vapor.
  • a fan is provided in the extractor hood through which the vapor is drawn in.
  • the extractor hood is preferably a chimney or a ceiling-mounted extractor hood.
  • An extractor hood is referred to here as an extractor hood in which the fan is at least partially accommodated in a chimney and a vapor shield is provided in the lower area of the chimney or below the chimney.
  • the vapor shield can extend over the side surfaces, the front and / or the rear of the chimney, that is to say stand out beyond it.
  • An extractor hood that is mounted on or in the ceiling is referred to as a ceiling-mounted extractor hood.
  • Ceiling-mounted extractor hoods are usually box-like.
  • the extractor hood has an extractor housing.
  • the part of the extractor hood that houses the fan is referred to as the extractor housing.
  • the extractor housing also includes the vapor shield.
  • the inner frame is inserted in the vapor shield.
  • the inner frame of the extractor hood is usually a load-bearing component of the extractor hood, which has, for example, defined interfaces for attachment to the extractor housing or other assemblies of the extractor hood, such as the filter unit.
  • the inner frame is preferably designed to be flat and in particular has a trough shape.
  • the inner frame forms a suction opening.
  • the opening through which the vapor enters the hood body is referred to as the suction opening.
  • the suction opening is preferably provided in a vapor shield, that is, it is surrounded by the vapor shield.
  • a filter unit is provided in the extractor housing, in particular in the inner frame of the extractor hood according to the invention. It goes without saying that the filter unit can also be configured in several parts, for example it can consist of several filter cassettes.
  • the filter unit represents a filter unit for filtering fat and liquids and is also referred to as a fat filter.
  • the filter unit is arranged in the extractor housing in such a way that it lies in front of the fan of the extractor hood in the direction of flow, i.e. the vapor has to pass the filter element before it - or the purified air resulting from it - reaches the fan.
  • the extractor hood has a baffle plate which is arranged in front of the filter unit in the direction of flow.
  • a baffle plate is understood to be a flat element which at least partially obstructs and guides the air flow in the direction perpendicular to the surface of the baffle plate.
  • the baffle plate preferably represents a flat, flat element.
  • the baffle plate particularly preferably represents a continuous flat element.
  • the baffle plate can also be referred to as an air guide element.
  • the baffle plate is preferably aligned with the suction opening. This means that the baffle plate covers at least part of the surface of the suction opening in a vertical projection onto the suction opening.
  • the vertical projection onto the suction opening denotes the direction which is directed from the interior of the extractor housing perpendicular to the surface of the suction opening.
  • the baffle plate can leave a circumferential gap in the suction opening, through which the vapor can be suctioned off.
  • the baffle plate covers the entire surface of the Suction opening in this direction.
  • the suction opening is not closed by the baffle plate, so that vapors can continue to get through the suction opening into the interior of the extractor hood.
  • the baffle plate covers at least part of the filter surface of the filter unit in a vertical projection from the suction opening.
  • a drop will form due to the force of gravity and surface tension of the liquid. If this reaches a critical mass, it drips in the direction of gravity onto the inside of the baffle plate.
  • a collecting container is provided on the inside of the baffle plate, which catches the liquid droplets. The user can remove the collecting container and clean it easily by hand or in the dishwasher.
  • At least one fastening area for the collecting container is provided on the inside of the baffle plate.
  • a clamping tab for clamping part of the collecting container or a gripping tab for engaging in a recess of the collecting container is provided in the fastening area.
  • the fastening area is designed to hold the collecting container magnetically.
  • the inner frame is at least partially inclined in the direction of the collecting container so that drops of fat and / or liquid deposited on the inner frame move in the direction of the collecting container by gravity and collect there. Drops containing fat and / or water also form in the edge areas of the inner frame.
  • the inner frame is advantageously inclined in the direction of the collecting container, so that the drops move in the direction of the collecting container by gravity and, for example, are guided into the collecting container via defined drip points or channels. In this way it can be prevented that drops fall out of the device via the edge gap.
  • FIG. 1 shows a schematic sectional view of an extractor hood according to the invention.
  • An extractor hood 101 is shown in the form of a forge.
  • the extractor hood has an extractor housing 102 which accommodates a fan 103 in the upper area and is designed as a vapor shield 104 in the lower area.
  • the vapor shield 104 receives an inner frame 105.
  • the inner frame spans a suction opening 106 of the extractor hood 101.
  • a filter unit 107 is attached to the inner frame, which is designed as a grease filter and is arranged parallel to the surface of the suction opening 106.
  • a baffle plate 108 is provided in the extractor hood 101.
  • the baffle plate is arranged parallel to the surface of the suction opening 106.
  • the surface of the impact plate is dimensioned in such a way that a circumferential gap 109 is formed between the inner frame 105 and the impact plate 108 in the concentric installation position. The vapor is sucked in via this circumferential gap 109, deflected in the vapor shield 104 on the inner frame 105 and guided through the filter unit 107. This is illustrated by the dashed arrows.
  • a collecting container 110 is now provided on the inside of the baffle plate 108.
  • the collecting container 110 is designed as an upwardly open container with a front wall, a rear wall, two side walls and a bottom. The bottom of the collecting container 110 rests on the bottom of the inside of the baffle plate 108 and is attached to it by magnets (not shown).
  • the sucked in vapor contains, among other things, water and fat particles, which are mainly deposited on the inside of the inner frame.
  • Droplets 111 form due to the force of gravity and surface tension of the liquid. When these drops 111 reach a critical mass, they drop in the direction of gravity, that is, in the direction of the inside of the baffle plate 108.
  • the collecting container 110 is advantageously provided on the inside of the baffle plate 108 and collects the liquid droplets. The user can remove the collecting container 110 and clean it easily by hand or in the dishwasher.
  • FIG. 2 shows a schematic sectional view of a further extractor hood according to the invention.
  • the extractor hood 201 has an extractor housing 202 which accommodates a fan 203 in the upper area and is designed as a vapor shield 204 in the lower area.
  • a baffle plate 208 is provided in the extractor hood 201.
  • the baffle plate is arranged parallel to the surface of the suction opening 206.
  • the surface of the baffle plate is dimensioned such that a circumferential gap 209 is formed between inner frame 205 and baffle plate 208 in the concentric installation position. The vapor is sucked in via this circumferential gap 209, deflected in the vapor shield 204 on the inner frame 205 and guided through the filter unit 207. This is illustrated by the dashed arrows.
  • the vapor shield 204 receives an inner frame 205.
  • the inner frame spans a suction opening 206 of the extractor hood 201.
  • the inner frame 205 is inclined in the direction of the collecting container 210.
  • a filter unit 207 is attached to the inner frame 205, which is designed as a grease filter and is arranged parallel to the surface of the suction opening 206
  • a collecting container 210 is provided on the inside of the baffle plate 208. Due to the inclination of the inner frame 205, grease and / or liquid drops 211 deposited on the inner frame move under the force of gravity in the direction of the collecting container 210. The drops 211 then fall into the collecting container 210 at the inner edges of the inner frame. In this way, impurities are also produced passed the outer edges of the inner frame 205 into the collecting container 210 and caught by this, even if the collecting container 210 does not extend to the outer edges of the inner frame 205.

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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)

Description

Die vorliegende Erfindung betrifft eine Dunstabzugshaube mit SammelbehƤlter, insbesondere eine Dunstabzugshaube mit Randabsaugung.The present invention relates to an extractor hood with a collecting container, in particular an extractor hood with edge suction.

Dunstabzugshauben zum Absaugen und Filtern von feuchten oder fetthaltigen KĆ¼chendĆ¼nsten, auch Wrasen genannt, Ć¼ber Kochfeldern und Herden sind in verschiedenen Bauformen bekannt. Die Erfindung bezieht sich auf Dunstabzugshauben mit Randabsaugung, die Ć¼blicherweise in Wand- oder Inselessen, sowie deckengebundenen Dunstabzugshauben eingesetzt wird. Bei derartigen Bauformen ist die Unterseite der Haube, durch die die Luft abgesaugt wird, fĆ¼r den Benutzer sichtbar.Extractor hoods for extracting and filtering moist or fatty kitchen vapors, also called vapors, over hobs and stoves are known in various designs. The invention relates to extractor hoods with edge extraction, which is usually used in wall or island dining, as well as ceiling-bound extractor hoods. With such designs, the underside of the hood, through which the air is sucked out, is visible to the user.

Daher ist es bekannt, bei derartigen Dunstabzugshauben vor den eigentlichen Fettfilter, der beispielsweise ein Streckmetallfilter sein kann, eine sogenannte Prallplatte anzuordnen, die die Ansaugƶffnung weitestgehend abdeckt. Die Prallplatte wird in einem definierten, ausreichend groƟen Abstand von dem Fettfilter vorgesehen. Hierbei erfolgt das Einsaugen von verunreinigter Luft Ć¼ber einen an dem Rand der Prallplatte gebildeten, umlaufenden Spalt zwischen der Prallplatte und der Dunstabzugshaube, insbesondere dem DunstabzugsgehƤuse. Demnach kann der Wrasen am Rand der Prallplatte entlang strƶmen und zum Fettfilter gelangen. Filtereinheiten, bei denen die Reinigung des Wrasens auf diese Weise erfolgt, werden auch als Randabsaugfilter bezeichnet.It is therefore known to arrange a so-called baffle plate in front of the actual grease filter, which can be, for example, an expanded metal filter, which largely covers the suction opening, in such extractor hoods. The baffle plate is provided at a defined, sufficiently large distance from the grease filter. Contaminated air is sucked in via a circumferential gap formed on the edge of the baffle plate between the baffle plate and the extractor hood, in particular the extractor housing. Accordingly, the vapor can flow along the edge of the baffle plate and reach the grease filter. Filter units in which the vapors are cleaned in this way are also referred to as edge suction filters.

Durch die erforderliche Strƶmungsumlenkung bei der Randabsaugung scheiden sich Fett- und Wassertropfen des angesaugten Wrasen im GerƤteinnenrahmen ab und verschmutzen diesen. Dieses Problem der TrƤgheitsabscheidung tritt vor allem bei GerƤten mit schmalen Spalten im Ansaugbereich und scharfen Umlenkungen auf.Due to the necessary flow deflection during edge suction, drops of fat and water from the sucked in vapor are deposited in the device's inner frame and contaminate it. This problem of inertial separation occurs especially in devices with narrow gaps in the suction area and sharp deflections.

Die DE 100 00 841 A1 offenbart eine Dunstabzugsvorrichtung. Die Unterseite der Dunstabzugshaube ist bis auf die Unterseite einer nach auƟen vorstehenden pyramidenfƶrmigen Fettauffangschale plan ausgebildet. Mit der Fettauffangschale wird ein Abtropfen beziehungsweise ZurĆ¼cktropfen von Fett vermieden. Ɯber der Fettauffangschale ist eine Filteranordnung angeordnet, die vorzugsweise aus einem Metallfilter bestehen kann.The DE 100 00 841 A1 discloses a range hood device. The underside of the extractor hood is flat, except for the underside of an outwardly protruding pyramid-shaped fat collecting tray. The fat drip tray prevents fat from dripping off or dripping back. A filter arrangement, which can preferably consist of a metal filter, is arranged above the fat collecting tray.

In der CN 1 247 291 A ist eine Dunstabzugshaube beschrieben, bei der unterhalb des GeblƤses eine Filterbox und ein Separationsfilter angeordnet sind. Der Separationsfilter weist ein GehƤuse auf. Zwischen dem GehƤuse und einem inneren Zylinder, in dem die Filterbox aufgenommen ist, ist ein Spalt gebildet. In dem GehƤuse ist ein Filtermedium angeordnet, das Wasser oder ein anderes absorbierendes Medium sein kann.In the CN 1 247 291 A describes an extractor hood in which a filter box and a separation filter are arranged below the fan. The separation filter has a housing. A gap is formed between the housing and an inner cylinder in which the filter box is received. A filter medium, which can be water or another absorbing medium, is arranged in the housing.

Die DE 10 2007 055 308 A1 offenbart eine Filtervorrichtung fĆ¼r eine Dunstabzugshaube mit einem ersten Filterelement und einem unterhalb des ersten Filterelementes angeordneten AuffangbehƤlter. Die FilterflƤche des ersten Filterelementes stellt eine erste Ansaugzone dar und eine zweite Ansaugzone ist durch einen Ablaufbereich von der ersten Ansaugzone getrennt. GemƤƟ einer AusfĆ¼hrungsform ist der AuffangbehƤlter mit einer Grundplatte 13 verschraubt, die zwischen dem Filterelement und dem AuffangbehƤlter angeordnet ist.The DE 10 2007 055 308 A1 discloses a filter device for an extractor hood with a first filter element and a collecting container arranged below the first filter element. The filter surface of the first filter element represents a first suction zone and a second suction zone is separated from the first suction zone by a drainage area. According to one embodiment, the collecting container is screwed to a base plate 13 which is arranged between the filter element and the collecting container.

Die EP 2 420 738 A1 offenbart eine Luftleiteinheit fĆ¼r eine Ansaugƶffnung einer Dunstabzugshaube, das eine Prallplatte umfasst und mindestens eine Durchtrittsƶffnung, die oberhalb der Prallplatte liegt und eine die Prallplatte zumindest teilweise umgebende Einstrƶmgeometrie mit mindestens einer AnstrƶmflƤche aufweist.The EP 2 420 738 A1 discloses an air guide unit for an intake opening of an extractor hood, which comprises a baffle plate and at least one passage opening which is above the baffle plate and has an inflow geometry at least partially surrounding the baffle plate with at least one inflow surface.

Diese Vorrichtungen weisen den Nachteil auf, dass die Sammelvorrichtung nicht separat zu der Prallplatte gereinigt werden kann.These devices have the disadvantage that the collecting device cannot be cleaned separately from the baffle plate.

In der DE 10 2014 108 237 A1 ist eine Dunstabzugshaube, insbesondere eine Kopffreiheitshaube, beschrieben, die eine Rahmeneinrichtung umfasst, wobei an einem Aufnahmeabschnitt der Rahmeneinrichtung eine AnsaugflƤche vorgesehen. Dem Aufnahmeabschnitt ist weiterhin eine separate Sammelrinne zugeordnet. Diese Dunstabzugshaube weist den Nachteil auf, dass die Sammelrinne nur eine geringe GrĆ¶ĆŸe aufweisen kann und zum Reinigen separat zu der AnsaugflƤche aus der Dunstabzugshaube entnommen werden muss.In the DE 10 2014 108 237 A1 an extractor hood, in particular a headroom hood, is described which comprises a frame device, a suction surface being provided on a receiving section of the frame device. A separate collecting channel is also assigned to the receiving section. This extractor hood has the disadvantage that the collecting channel can only have a small size and must be removed from the extractor hood separately from the suction surface for cleaning.

Aufgabe der vorliegenden Erfindung ist es eine Dunstabzugshaube mit Randabsaugfilter zu schaffen, die besonders leicht zur reinigen ist.The object of the present invention is to create an extractor hood with an edge suction filter that is particularly easy to clean.

Die Aufgabe wird gelƶst durch eine Dunstabzugshaube mit den Merkmalen des Patentanspruchs 1. Vorteilhafte Weiterbildungen der Erfindung sind in den abhƤngigen PatentansprĆ¼chen angegeben.The object is achieved by an extractor hood with the features of patent claim 1. Advantageous further developments of the invention are specified in the dependent patent claims.

Die Erfindung geht aus von einer Dunstabzugshaube mit einem DunstabzugsgehƤuse, einem in dem DunstabzugsgehƤuse aufgenommenen GeblƤse, einen Innenrahmen mit Absaugƶffnung, einer Filtereinheit zur Reinigung der durch das GeblƤse angesaugten Luft, wobei die FlƤche der Filtereinheit parallel zu der FlƤche der Absaugƶffnung liegt und die Absaugƶffnung zumindest teilweise abdeckt, sowie einer Prallplatte, die die Absaugƶffnung zumindest teilweise abdeckt und in Strƶmungsrichtung vor der Filtereinheit angeordnet ist.The invention is based on an extractor hood with an extractor housing, a fan accommodated in the extractor housing, an inner frame with an extraction opening, a filter unit for cleaning the air sucked in by the fan, the surface of the filter unit being parallel to the surface of the extraction opening and the extraction opening at least partially covers, and a baffle plate which at least partially covers the suction opening and is arranged in the direction of flow in front of the filter unit.

ErfindungsgemƤƟ ist ein SammelbehƤlter fĆ¼r flĆ¼ssige Verunreinigungen vorgesehen. Der SammelbehƤlter ist lƶsbar mit der Dunstabzugshaube verbunden und liegt zumindest teilweise auf dem Boden auf der Innenseite der Prallplatte an.According to the invention, a collecting container for liquid contaminants is provided. The collecting container is detachably connected to the extractor hood and rests at least partially on the floor on the inside of the baffle plate.

Als Dunstabzugshaube wird erfindungsgemƤƟ eine Dunstabzugsvorrichtung bezeichnet, die insbesondere zur Reinigung von verunreinigter Luft, die in KĆ¼chen oberhalb eines Kochfeldes auftritt, dient. Die verunreinigte Luft wird auch als Wrasen bezeichnet. In der Dunstabzugshaube ist ein LĆ¼fter vorgesehen, durch den der Wrasen angesaugt wird. Die Dunstabzugshaube stellt vorzugsweise eine Esse oder eine deckengebundene Dunstabzugshaube dar. Als Esse wird hierbei eine Dunstabzugshaube bezeichnet, bei der der LĆ¼fter zumindest teilweise in einem Kamin aufgenommen ist und im unteren Bereich des Kamins oder unterhalb des Kamins ein Wrasenschirm vorgesehen ist. Der Wrasenschirm kann sich Ć¼ber die SeitenflƤchen, die Vorderseite und/oder die RĆ¼ckseite des Kamins heraus erstrecken, das heiƟt Ć¼ber diesen hinaus stehen. Als deckengebundene Dunstabzugshaube wird hierbei eine Dunstabzugshaube bezeichnet, die an oder in die Decke montiert wird. Deckengebundene Dunstabzugshauben sind meist boxartig aufgebaut.According to the invention, an extractor hood is referred to as an extractor hood which is used in particular to clean contaminated air that occurs in kitchens above a hob. The polluted air is also known as vapor. A fan is provided in the extractor hood through which the vapor is drawn in. The extractor hood is preferably a chimney or a ceiling-mounted extractor hood. An extractor hood is referred to here as an extractor hood in which the fan is at least partially accommodated in a chimney and a vapor shield is provided in the lower area of the chimney or below the chimney. The vapor shield can extend over the side surfaces, the front and / or the rear of the chimney, that is to say stand out beyond it. An extractor hood that is mounted on or in the ceiling is referred to as a ceiling-mounted extractor hood. Ceiling-mounted extractor hoods are usually box-like.

Die Dunstabzugshaube weist ein DunstabzugsgehƤuse auf. Als DunstabzugsgehƤuse wird hierbei der Teil der Dunstabzugshaube bezeichnet, der den LĆ¼fter aufnimmt. Zudem umfasst das DunstabzugsgehƤuse den Wrasenschirm. In dem Wrasenschirm ist der Innenrahmen eingesetzt. Der Innenrahmen der Dunstabzugshaube ist meist ein tragendes Bauteil der Dunstabzugshaube, das beispielsweise definierte Schnittstellen zur Befestigung an dem DunstabzugsgehƤuse oder von anderen Baugruppen der Dunstabzugshaube, wie beispielsweise der Filtereinheit, aufweist. Der Innenrahmen ist vorzugsweise flƤchig ausgestaltet und weist insbesondere eine Wannenform auf.The extractor hood has an extractor housing. The part of the extractor hood that houses the fan is referred to as the extractor housing. The extractor housing also includes the vapor shield. The inner frame is inserted in the vapor shield. The inner frame of the extractor hood is usually a load-bearing component of the extractor hood, which has, for example, defined interfaces for attachment to the extractor housing or other assemblies of the extractor hood, such as the filter unit. The inner frame is preferably designed to be flat and in particular has a trough shape.

Der Innenrahmen bildet erfindungsgemƤƟ eine Absaugƶffnung. Als Absaugƶffnung wird hierbei die Ɩffnung bezeichnet, Ć¼ber die der Wrasen in den Haubenkƶrper eintritt. Die Absaugƶffnung ist dabei vorzugsweise in einem Wrasenschirm vorgesehen, das heiƟt ist von dem Wrasenschirm umgeben.According to the invention, the inner frame forms a suction opening. The opening through which the vapor enters the hood body is referred to as the suction opening. The suction opening is preferably provided in a vapor shield, that is, it is surrounded by the vapor shield.

In dem DunstabzugsgehƤuse, insbesondere in dem Innenrahmen der erfindungsgemƤƟen Dunstabzugshaube, ist eine Filtereinheit vorgesehen. Es versteht sich, dass die Filtereinheit auch mehrteilig ausgestaltet sein kann, beispielsweise aus mehreren Filterkassetten bestehen kann. Die Filtereinheit stellt erfindungsgemƤƟ eine Filtereinheit zum Filtern von Fett und FlĆ¼ssigkeiten dar und wird auch als Fettfilter bezeichnet. Die Filtereinheit ist in dem DunstabzugsgehƤuse so angeordnet, dass diese in Strƶmungsrichtung vor dem LĆ¼fter der Dunstabzugshaube liegt, das heiƟt, dass der Wrasen das Filterelement passieren muss, bevor dieser - beziehungsweise die daraus hervorgehende gereinigte Luft - zu dem LĆ¼fter gelangt.A filter unit is provided in the extractor housing, in particular in the inner frame of the extractor hood according to the invention. It goes without saying that the filter unit can also be configured in several parts, for example it can consist of several filter cassettes. According to the invention, the filter unit represents a filter unit for filtering fat and liquids and is also referred to as a fat filter. The filter unit is arranged in the extractor housing in such a way that it lies in front of the fan of the extractor hood in the direction of flow, i.e. the vapor has to pass the filter element before it - or the purified air resulting from it - reaches the fan.

Die Dunstabzugshaube weist eine Prallplatte auf, die in Strƶmungsrichtung vor der Filtereinheit angeordnet ist. Als Prallplatte wird erfindungsgemƤƟ ein flƤchiges Element verstanden, das die Luftstrƶmung in der Richtung senkrecht zu der FlƤche der Prallplatte zumindest teilweise behindert und leitet. Die Prallplatte stellt vorzugsweise ein ebenes flƤchiges Element dar. Besonders bevorzugt stellt die Prallplatte ein durchgehendes flƤchiges Element dar. Die Prallplatte kann auch als Luftleitelement bezeichnet werden.The extractor hood has a baffle plate which is arranged in front of the filter unit in the direction of flow. According to the invention, a baffle plate is understood to be a flat element which at least partially obstructs and guides the air flow in the direction perpendicular to the surface of the baffle plate. The baffle plate preferably represents a flat, flat element. The baffle plate particularly preferably represents a continuous flat element. The baffle plate can also be referred to as an air guide element.

Die Prallplatte ist vorzugsweise mit der Absaugƶffnung ausgerichtet. Dies bedeutet, dass in senkrechter Projektion auf die Absaugƶffnung die Prallplatte zumindest einen Teil der FlƤche der Ansaugƶffnung abdeckt. In senkrechter Projektion auf die Absaugƶffnung wird hierbei die Richtung bezeichnet, die vom Inneren des DunstabzugsgehƤuses senkrecht auf die FlƤche der Ansaugƶffnung gerichtet ist. Die Prallplatte kann hierbei einen umlaufenden Spalt in der Absaugƶffnung freilassen, Ć¼ber den der Wrasen abgesaugt werden kann. In einer anderen Ausgestaltung deckt die Prallplatte die gesamte FlƤche der Absaugƶffnung in dieser Richtung ab. Durch eine Anordnung der Prallplatte hinter oder vor der Absaugƶffnung und beabstandet zu der Absaugƶffnung wird die Absaugƶffnung durch die Prallplatte aber nicht verschlossen, so dass weiterhin Wrasen Ć¼ber die Absaugƶffnung in das Innere der Dunstabzugshaube gelangen kann.The baffle plate is preferably aligned with the suction opening. This means that the baffle plate covers at least part of the surface of the suction opening in a vertical projection onto the suction opening. In this case, the vertical projection onto the suction opening denotes the direction which is directed from the interior of the extractor housing perpendicular to the surface of the suction opening. The baffle plate can leave a circumferential gap in the suction opening, through which the vapor can be suctioned off. In another embodiment, the baffle plate covers the entire surface of the Suction opening in this direction. By arranging the baffle plate behind or in front of the suction opening and at a distance from the suction opening, the suction opening is not closed by the baffle plate, so that vapors can continue to get through the suction opening into the interior of the extractor hood.

Zudem deckt die Prallplatte erfindungsgemƤƟ in senkrechter Projektion von der Absaugƶffnung zumindest einen Teil der FilterflƤche der Filtereinheit ab.In addition, according to the invention, the baffle plate covers at least part of the filter surface of the filter unit in a vertical projection from the suction opening.

Wenn sich im Innenrahmen der Dunstabzugshaube genug Fett oder Wasser sammelt, bildet sich aufgrund der Schwerkraft und OberflƤchenspannung der FlĆ¼ssigkeit ein Tropfen aus. Erreicht dieser eine kritische Masse, tropft er in Richtung der Schwerkraft auf die Innenseite der Prallplatte. In vorteilhafter Weise ist an der Innenseite der Prallplatte ein SammelbehƤlter vorgesehen, der die FlĆ¼ssigkeitstropfen auffƤngt. Der Benutzer kann den SammelbehƤlter entnehmen und per Hand oder in der SpĆ¼lmaschine leicht reinigen.If enough grease or water collects in the inner frame of the extractor hood, a drop will form due to the force of gravity and surface tension of the liquid. If this reaches a critical mass, it drips in the direction of gravity onto the inside of the baffle plate. In an advantageous manner, a collecting container is provided on the inside of the baffle plate, which catches the liquid droplets. The user can remove the collecting container and clean it easily by hand or in the dishwasher.

ErfindungsgemƤƟ ist an der Innenseite der Prallplatte mindestens ein Befestigungsbereich fĆ¼r den SammelbehƤlter vorgesehen. In einer Ausgestaltung ist in dem Befestigungsbereich eine Klemmlasche zum Einklemmen eines Teils des SammelbehƤlters oder eine Greiflasche zum Eingreifen in eine Aussparung des SammelbehƤlters vorgesehen. In einer weiteren Ausgestaltung ist der Befestigungsbereich zur magnetischen Halterung des SammelbehƤlters ausgestaltet.According to the invention, at least one fastening area for the collecting container is provided on the inside of the baffle plate. In one embodiment, a clamping tab for clamping part of the collecting container or a gripping tab for engaging in a recess of the collecting container is provided in the fastening area. In a further embodiment, the fastening area is designed to hold the collecting container magnetically.

In einer Weiterbildung der vorliegenden Erfindung ist der Innenrahmen zumindest teilweise in Richtung des SammelbehƤlters geneigt, so dass sich am Innenrahmen abgesetzte Fett- und/ oder FlĆ¼ssigkeitstropfen durch die Schwerkraft in Richtung des SammelbehƤlters bewegen und dort sammeln. Fett- und/oder Wasser haltige Tropfen bilden sich auch in den Randbereichen des Innenrahmens. Vorteilhaft ist der Innenrahmen in Richtung des SammelbehƤlters geneigt, so dass sich die Tropfen durch die Schwerkraft in Richtung des SammelbehƤlters bewegen und beispielsweise Ć¼ber definierte Abtropfpunkte- oder -rinnen in den SammelbehƤlter geleitet werden. Auf diese Weise kann verhindert werden, dass Tropfen Ć¼ber die Randspalte aus dem GerƤt fallen.In a further development of the present invention, the inner frame is at least partially inclined in the direction of the collecting container so that drops of fat and / or liquid deposited on the inner frame move in the direction of the collecting container by gravity and collect there. Drops containing fat and / or water also form in the edge areas of the inner frame. The inner frame is advantageously inclined in the direction of the collecting container, so that the drops move in the direction of the collecting container by gravity and, for example, are guided into the collecting container via defined drip points or channels. In this way it can be prevented that drops fall out of the device via the edge gap.

Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In den Zeichnungen sind AusfĆ¼hrungsbeispiele der Erfindung dargestellt. Die Zeichnungen, die Beschreibung und die AnsprĆ¼che enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmƤƟigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further advantages emerge from the following description of the drawings. Exemplary embodiments of the invention are shown in the drawings. The drawings that The description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into useful further combinations.

Es zeigen:

Figur 1
eine schematische Schnittansicht einer erfindungsgemƤƟen Dunstabzugshaube;
Figur 2
eine schematische Schnittansicht einer weiteren erfindungsgemƤƟen Dunstabzugshaube.
Show it:
Figure 1
a schematic sectional view of an extractor hood according to the invention;
Figure 2
a schematic sectional view of another extractor hood according to the invention.

Figur 1 zeigt eine schematische Schnittansicht einer erfindungsgemƤƟen Dunstabzugshaube. Gezeigt ist eine Dunstabzugshaube 101 in Form einer Esse. SelbstverstƤndlich lƤsst sich die Erfindung fĆ¼r den Fachmann auch auf andere Bauformen von Dunstabzugshauben, wie beispielsweise deckengebundene Dunstabzugshauben, anwenden. Die Dunstabzugshaube weist ein DunstabzugsgehƤuse 102 auf, welches im oberen Bereich ein GeblƤse 103 aufnimmt und im unteren Bereich als Wrasenschirm 104 ausgebildet ist. Figure 1 shows a schematic sectional view of an extractor hood according to the invention. An extractor hood 101 is shown in the form of a forge. Of course, for those skilled in the art, the invention can also be applied to other designs of extractor hoods, such as, for example, ceiling-mounted extractor hoods. The extractor hood has an extractor housing 102 which accommodates a fan 103 in the upper area and is designed as a vapor shield 104 in the lower area.

Der Wrasenschirm 104 nimmt einen Innenrahmen 105 auf. Der Innenrahmen spannt eine Absaugƶffnung 106 der Dunstabzugshaube 101 auf. Zudem ist an dem Innenrahmen eine Filtereinheit 107 befestigt, welche als Fettfilter ausgebildet ist und parallel zur FlƤche der Absaugƶffnung 106 angeordnet ist.The vapor shield 104 receives an inner frame 105. The inner frame spans a suction opening 106 of the extractor hood 101. In addition, a filter unit 107 is attached to the inner frame, which is designed as a grease filter and is arranged parallel to the surface of the suction opening 106.

Weiterhin ist in der Dunstabzugshaube 101 eine Prallplatte 108 vorgesehen. Die Prallplatte ist parallel zur FlƤche der Absaugƶffnung 106 angeordnet. Die FlƤche der Prallplatte ist derart dimensioniert, dass in der konzentrischen Einbaulage ein umlaufender Spalt 109 zwischen Innenrahmen 105 und Prallplatte 108 gebildet wird. Ɯber diesen umlaufenden Spalt 109 wird der Wrasen eingesaugt, im Wrasenschirm 104 am Innenrahmen 105 umgelenkt und durch die Filtereinheit 107 gefĆ¼hrt. Dies ist anhand der gestrichelten Pfeile veranschaulicht.Furthermore, a baffle plate 108 is provided in the extractor hood 101. The baffle plate is arranged parallel to the surface of the suction opening 106. The surface of the impact plate is dimensioned in such a way that a circumferential gap 109 is formed between the inner frame 105 and the impact plate 108 in the concentric installation position. The vapor is sucked in via this circumferential gap 109, deflected in the vapor shield 104 on the inner frame 105 and guided through the filter unit 107. This is illustrated by the dashed arrows.

ErfindungsgemƤƟ ist nun ein SammelbehƤlter 110 auf der Innenseite der Prallplatte 108 vorgesehen. In diesem AusfĆ¼hrungsbeispiel ist der SammelbehƤlter 110 als ein nach oben offener BehƤlter mit einer Vorderwand, einer RĆ¼ckwand, zwei SeitenwƤnden und einem Boden ausgefĆ¼hrt. Der Boden des SammelbehƤlters 110 liegt auf dem Boden der Innenseite der Prallplatte 108 auf und ist an dieser Ć¼ber Magnete (nicht gezeigt) befestigt.According to the invention, a collecting container 110 is now provided on the inside of the baffle plate 108. In this exemplary embodiment, the collecting container 110 is designed as an upwardly open container with a front wall, a rear wall, two side walls and a bottom. The bottom of the collecting container 110 rests on the bottom of the inside of the baffle plate 108 and is attached to it by magnets (not shown).

Der angesaugte Wrasen enthƤlt unter anderem Wasser- und Fettpartikel, die sich vor allem an der Innenseite des Innenrahmens absetzen. Aufgrund der Schwerkraft und OberflƤchenspannung der FlĆ¼ssigkeit bilden sich Tropfen 111 aus. Erreichen diese Tropfen 111 eine kritische Masse, tropfen sie in Richtung der Schwerkraft, also in Richtung der Innenseite der Prallplatte 108. In vorteilhafter Weise ist an der Innenseite der Prallplatte 108 der SammelbehƤlter 110 vorgesehen, der die FlĆ¼ssigkeitstropfen auffƤngt. Der Benutzer kann den SammelbehƤlter 110 entnehmen und per Hand oder in der SpĆ¼lmaschine leicht reinigen.The sucked in vapor contains, among other things, water and fat particles, which are mainly deposited on the inside of the inner frame. Droplets 111 form due to the force of gravity and surface tension of the liquid. When these drops 111 reach a critical mass, they drop in the direction of gravity, that is, in the direction of the inside of the baffle plate 108. The collecting container 110 is advantageously provided on the inside of the baffle plate 108 and collects the liquid droplets. The user can remove the collecting container 110 and clean it easily by hand or in the dishwasher.

Figur 2 zeigt eine schematische Schnittansicht einer weiteren erfindungsgemƤƟen Dunstabzugshaube. Die Dunstabzugshaube 201 weist ein DunstabzugsgehƤuse 202 auf, welches im oberen Bereich ein GeblƤse 203 aufnimmt und im unteren Bereich als Wrasenschirm 204 ausgebildet ist. Figure 2 shows a schematic sectional view of a further extractor hood according to the invention. The extractor hood 201 has an extractor housing 202 which accommodates a fan 203 in the upper area and is designed as a vapor shield 204 in the lower area.

In der Dunstabzugshaube 201 eine Prallplatte 208 vorgesehen. Die Prallplatte ist parallel zur FlƤche der Absaugƶffnung 206 angeordnet. Die FlƤche der Prallplatte ist derart dimensioniert, dass in der konzentrischen Einbaulage ein umlaufender Spalt 209 zwischen Innenrahmen 205 und Prallplatte 208 gebildet wird. Ɯber diesen umlaufenden Spalt 209 wird der Wrasen eingesaugt, im Wrasenschirm 204 am Innenrahmen 205 umgelenkt und durch die Filtereinheit 207 gefĆ¼hrt. Dies ist anhand der gestrichelten Pfeile veranschaulicht.A baffle plate 208 is provided in the extractor hood 201. The baffle plate is arranged parallel to the surface of the suction opening 206. The surface of the baffle plate is dimensioned such that a circumferential gap 209 is formed between inner frame 205 and baffle plate 208 in the concentric installation position. The vapor is sucked in via this circumferential gap 209, deflected in the vapor shield 204 on the inner frame 205 and guided through the filter unit 207. This is illustrated by the dashed arrows.

Der Wrasenschirm 204 nimmt einen Innenrahmen 205 auf. Der Innenrahmen spannt eine Absaugƶffnung 206 der Dunstabzugshaube 201 auf. Der Innenrahmen 205 ist in Richtung des SammelbehƤlters 210 geneigt. Zudem ist an dem Innenrahmen 205 eine Filtereinheit 207 befestigt, welche als Fettfilter ausgebildet ist und parallel zur FlƤche der Absaugƶffnung 206 angeordnet istThe vapor shield 204 receives an inner frame 205. The inner frame spans a suction opening 206 of the extractor hood 201. The inner frame 205 is inclined in the direction of the collecting container 210. In addition, a filter unit 207 is attached to the inner frame 205, which is designed as a grease filter and is arranged parallel to the surface of the suction opening 206

ErfindungsgemƤƟ ist ein SammelbehƤlter 210 auf der Innenseite der Prallplatte 208 vorgesehen. Durch die Neigung des Innenrahmen 205 bewegen sich am Innenrahmen abgesetzte Fett- und/ oder FlĆ¼ssigkeitstropfen 211 durch die Schwerkraft in Richtung des SammelbehƤlters 210. An den inneren RƤndern des Innenrahmens fallen die Tropfen 211 dann in den SammelbehƤlter 210. Auf diese Weise werden auch Verunreinigungen an den ƤuƟeren RƤndern des Innenrahmens 205 in den SammelbehƤlter 210 geleitet und von diesem aufgefangen, auch wenn sich der SammelbehƤlter 210 nicht bis zu den ƤuƟeren RƤndern des Innenrahmens 205 erstreckt.According to the invention, a collecting container 210 is provided on the inside of the baffle plate 208. Due to the inclination of the inner frame 205, grease and / or liquid drops 211 deposited on the inner frame move under the force of gravity in the direction of the collecting container 210. The drops 211 then fall into the collecting container 210 at the inner edges of the inner frame. In this way, impurities are also produced passed the outer edges of the inner frame 205 into the collecting container 210 and caught by this, even if the collecting container 210 does not extend to the outer edges of the inner frame 205.

Claims (11)

  1. Extractor hood having an extractor housing (102), a fan (103) accommodated in the extractor housing (102), an inner frame (105) with an extraction opening (106), a filter unit (107) for cleaning the air sucked in by the fan (103), wherein the surface of the filter unit (107) lies parallel to the surface of the extraction opening (106) and at least partially covers the extraction opening (106), and a baffle plate (108) which at least partially covers the extraction opening (106) and is arranged upstream of the filter unit (107) in the direction of flow, characterised in that a storage container (110) is provided for liquid contaminants, the storage container (110) is detachably connected to the extractor hood (101) and at least partially rests on the floor on the inside of the baffle plate (108), and at least one fastening region for the storage container (110) is provided on the inside of the baffle plate (108).
  2. Extractor hood according to claim 1, characterised in that the surface of the baffle plate (108) is aligned horizontally.
  3. Extractor hood according to one of claims 1 or 2, characterised in that the surface of the baffle plate (108) covered by the storage container (110) is smaller than the surface of the baffle plate (108).
  4. Extractor hood according to one of the preceding claims, characterised in that a clamping tab for clamping part of the storage container (110) or a gripping tab for engaging in a recess of the storage container (110) is provided in the fastening region.
  5. Extractor hood according to one of claims 1 to 3, characterised in that the fastening region is embodied to hold the storage container (110) magnetically.
  6. Extractor hood according to one of the preceding claims, characterised in that the storage container (110) is embodied as an upwardly open container with a front wall, a rear wall, two side walls and a floor.
  7. Extractor hood according to claim 6, characterised in that the storage container (110) is made of plastic.
  8. Extractor hood according to one of the preceding claims, characterised in that the storage container (110) is embodied as a metal mesh.
  9. Extractor hood according to one of the preceding claims, characterised in that the inner frame (105) is at least partially inclined in the direction of the storage container (110), such that drops of grease and/or liquid deposited on the inner frame (105) move by the force of gravity in the direction of the storage container (110) and collect there.
  10. Extractor hood according to one of the preceding claims, characterised in that the baffle plate (108) is embodied as an air-impermeable plate.
  11. Extractor hood according to claim 10, characterised in that the baffle plate (108) is made of glass.
EP17203960.4A 2016-12-19 2017-11-28 Extractor hood Active EP3336438B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016225394.8A DE102016225394A1 (en) 2016-12-19 2016-12-19 Collecting container for extractor hood

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EP3336438A1 EP3336438A1 (en) 2018-06-20
EP3336438B1 true EP3336438B1 (en) 2021-01-06

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US11318509B2 (en) * 2017-11-06 2022-05-03 Air Systems Design, Inc. Dust hood
CN109812914B (en) * 2019-02-02 2023-09-05 ęµ™ę±Ÿå‹é‚¦é›†ęˆåŠé”¶č‚”ä»½ęœ‰é™å…¬åø New fan for furred ceiling that liquid level degree was stored liquid in bottom demonstration
US20210348770A1 (en) * 2020-05-07 2021-11-11 Bsh Home Appliances Corporation Kitchen ventilation system
US11867407B2 (en) * 2020-08-13 2024-01-09 Samsung Electronics Co., Ltd. Range hood
CN113405139B (en) * 2021-08-06 2024-09-24 ę­å·žč€ęæē”µå™Øč‚”ä»½ęœ‰é™å…¬åø Smoke baffle structure, smoke collecting hood assembly and range hood

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CN1099549C (en) * 1998-09-08 2003-01-22 ęØŠå…‰č£• Clarifying oil soot exhauster
DE10000841B4 (en) * 2000-01-12 2010-03-04 Max Homeier Hood
DE102005019830A1 (en) * 2005-04-28 2006-11-02 BSH Bosch und Siemens HausgerƤte GmbH Kitchen cooker exhaust hood has truncated pyramid filter insert with central hole to trap collector
DE102007055308A1 (en) * 2007-11-20 2009-05-28 BSH Bosch und Siemens HausgerƤte GmbH Filtration unit for kitchen extraction hood, includes second intake zone separated from first intake zone by drain region
CN101592352A (en) * 2009-07-10 2009-12-02 å®ę³¢ę–¹å¤ŖåŽØå…·ęœ‰é™å…¬åø A kind of range hood that is difficult for residual greasy dirt on filter
DE102010039408A1 (en) * 2010-08-17 2012-02-23 BSH Bosch und Siemens HausgerƤte GmbH Air guiding unit for intake opening of an extractor hood
DE102014108237A1 (en) * 2014-06-12 2015-12-17 Miele & Cie. Kg Hood

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ES2861653T3 (en) 2021-10-06
EP3336438A1 (en) 2018-06-20

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