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EP0942236A1 - Dampfofen mit festem Wasserverteiler - Google Patents

Dampfofen mit festem Wasserverteiler Download PDF

Info

Publication number
EP0942236A1
EP0942236A1 EP99420056A EP99420056A EP0942236A1 EP 0942236 A1 EP0942236 A1 EP 0942236A1 EP 99420056 A EP99420056 A EP 99420056A EP 99420056 A EP99420056 A EP 99420056A EP 0942236 A1 EP0942236 A1 EP 0942236A1
Authority
EP
European Patent Office
Prior art keywords
turbine
water
pipe
distribution plate
distribution
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.)
Granted
Application number
EP99420056A
Other languages
English (en)
French (fr)
Other versions
EP0942236B1 (de
Inventor
Raymond Violi
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.)
Societe Cooperative de Production Bourgeois SCOP
Original Assignee
Societe Cooperative de Production Bourgeois SCOP
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 Societe Cooperative de Production Bourgeois SCOP filed Critical Societe Cooperative de Production Bourgeois SCOP
Publication of EP0942236A1 publication Critical patent/EP0942236A1/de
Application granted granted Critical
Publication of EP0942236B1 publication Critical patent/EP0942236B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
    • F24C15/322—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation
    • F24C15/327—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation with air moisturising

Definitions

  • the present invention relates to baking ovens food, comprising a cooking enclosure closed by a wall peripheral and a door, with an internal turbine for setting air circulation driven in rotation by motor means, and with means for injecting water into the turbine so that the turbine blades radially project water by distributing it on heating elements arranged on the periphery of the turbine.
  • Water is brought in through a pipe inside the cone, and it escapes in a radial film continuous along the entire periphery of the cone inlet lip, in being projected towards the turbine blades.
  • the water is brought into an inverted rotary cone open, and escapes in a radial film through the large base posterior from the cone to the turbine blades.
  • a drilled or ribbed disc is fixed at the end of the turbine hub, and water is supplied to the front of the disk. By its rotation, the disc projects water radially towards the turbine blades.
  • water is brought on a ribbed rotating anterior sphere, which projects water radially to the turbine blades.
  • the problem proposed by the present invention is to design a new spray and distribution structure water in a steam oven turbine, which allows a equitable distribution of water around the turbine and according to the turbine depth, without affecting the balancing of the turbine itself, and which is compatible with a power supply water without pressure and therefore without spray nozzle.
  • Another object of the invention is to facilitate the cleaning of the functional elements of the oven, and in particular of elements for spraying and distributing water.
  • the section end of pipe is offset laterally away from the horizontal axis of the turbine, and a distribution plate and the associated longitudinal slot are arranged on the section side end of the pipe closest to the turbine blades.
  • the end section of pipe comprises two opposite longitudinal slots, arranged laterally on either side and each associated with a respective fixed distribution plate.
  • the distribution plate is inclined according to an ascending orientation following the direction of the current central air intake.
  • the plate distribution is an elongated plate in the direction of the current central air intake, and the distribution plate is extended beyond the corresponding side slit towards the inside of the turbine.
  • a distribution plate comprising an inclined front section at a first inclination, followed by a posterior section inclined at a second inclination greater than the first tilt.
  • the distribution plate is preferably positioned in the turbine so that its anterior end is substantially at the end anterior of the corresponding lateral slit and at the plane front end of the heating elements, and that its end posterior is slightly in front of the posterior end plane heating elements.
  • the oven according to the invention comprises a limited cooking enclosure 1 by a peripheral wall 2, with a closed rear bottom 3, and with an anterior opening opposite the posterior bottom 3 and closed by a door not shown.
  • a turbine 4 for circulating air, disposed at the interior of the cooking chamber 1, is rotated by drive means, not shown, along a horizontal axis 5, around a horizontal anteroposterior tree crossing the bottom posterior 3.
  • the turbine 4 is provided with peripheral blades such as as the blade 6, which are arranged in a cylinder around the axis horizontal 5 to draw air axially according to a central current air intake 16 ( Figure 6) and to discharge it radially as illustrated by arrow 7 according to an air discharge zone 8 at the periphery of the turbine 4.
  • heating elements 9 are distributed around the periphery of the turbine 4 and according to its depth in the air discharge zone 8.
  • the turbine 4 comprises, in known manner, a flange rear 10 secured to the hub 11 and the blades 6, forming a structure closed towards the rear by the rear flange 10 and open forward.
  • a downward inlet pipe 12 is adapted for conduct pressureless water from an external source water supply not shown up to an outlet of line 13 placed in the central air suction current 16.
  • the outlet of pipe 13 is devoid of nozzle small diameter orifice spray.
  • the elements heaters 9 include three heaters 9a, 9b and 9c circulars arranged in three separate locations regularly distributed according to the depth P of the turbine 4.
  • the water distribution means according to the invention allow spray water evenly between the three elements heaters 9a, 9b and 9c of the set of heating elements 9.
  • the means for distributing the water from the pipe outlet 13 to the blades 6 of the turbine 4 comprise an end section 14 of pipe, oriented in a direction substantially parallel to the horizontal axis 5 of the turbine 4, and supplied with water according to a current of water of direction 15 opposite the central air suction current 16, as illustrated in particular in FIG. 6.
  • the inlet pipe 12 comprises a first oblique section 17, disposed in front of the turbine 4, connected by an anterior bend 18 to an axial section 19 generally parallel to the horizontal axis 5 of the turbine 4 and is developing backwards into the interior of the turbine up to a rear bend 20 itself connected to the section end 14.
  • the end section 14 may be located below of the axial section 19, as illustrated in the figures.
  • At least one longitudinal slot 21 is provided on one side the end section 14 of the pipe, allowing the outlet side of the water.
  • a fixed distribution plate 22 is arranged and oriented in relation to the longitudinal slot 21, so that the water from the longitudinal slot flows and spreads over the distribution plate 22 by driving by the central current air intake 16 in a zone extending in the depth P of the turbine 4.
  • the distribution plate 22 is inclined in an ascending orientation following the direction of the current central air intake unit 16, as illustrated in the figures and in particular Figure 6.
  • the distribution plate is advantageously an elongated plate in the direction of the central current air intake 16, it occupies the length of the side slit 21 corresponding and extends beyond the side slit 21 towards the inside of the turbine 4.
  • the plate distribution 22 includes an anterior section 23 inclined according to a first inclination A, for example of approximately 30 ° relative to horizontal, followed by a posterior section 24 inclined according to a second inclination B greater than the first inclination A, by example of approximately 45 ° with respect to the horizontal.
  • the front section 23 can occupy substantially the three-quarters of the length of the distribution plate 22, the posterior segment 24 occupying the posterior quarter of the length of the distribution plate 22.
  • the slot lateral 21 occupies substantially the anterior half-length of the distribution plate 22.
  • the distribution plate 22 is positioned in the turbine 4 so that its front end is substantially at the anterior end of the slot corresponding side 21 and at the end plane anterior PA of the heating elements 9, and that its end posterior is slightly in front of the posterior end plane PP of the heating elements 9, as illustrated in Figure 6.
  • the lateral overflow width L of the plate distribution 22 beyond the corresponding side slot 21 can advantageously be between 5 and 15 millimeters approximately, and be substantially constant.
  • the plate distribution 22 is placed laterally along only one side of the end section 14 of pipe, and is associated with a single lateral slot 21.
  • the end section 14 of pipe is then offset laterally away from the axis horizontal 5 of the turbine 4, and below this axis 5.
  • the distribution plate 22 is also to the right of the end section 14, closer to the blades 6 of the turbine 4.
  • the distribution plate 22 and the slot associated longitudinal 21 are arranged on the side of the section end 14 of pipe which is closest to the blades 6 of the turbine 4.
  • the end section 14 of the pipe comprises two slots longitudinal opposites, respectively 21 and 121, arranged laterally on either side of the axis of the end section 14 and each associated with a fixed distribution plate 22 or 122.
  • the distribution plate 122 has the same structure as the distribution plate distribution 22 previously described.
  • the operation of the device of the invention is the next: when the turbine 4 is rotated in the direction suitable, the air is drawn in by the turbine 4 at a current central air intake 16, illustrated in FIG. 6, and is radially rejected at the periphery of the turbine according to a current radial 7 in the air discharge zone 8 passing through the heating elements 9.
  • the water then escapes through the lateral slot 21 to flow onto the distribution plate 22 inclined.
  • the central suction current of air 16 then causes the distribution of water on the plate distribution 22, and water droplets escape from the edges of the distribution plate 22 to be conveyed by the air flow to the blades 6 of the turbine 4 which spray again to spray onto the heating elements 9 that vaporize them.
  • the distribution structure according to the invention ensures a good distribution of water droplets between the heating elements, along the entire periphery of the turbine 4 and along the entire depth P of the turbine 4.
  • the turbine 4 can be placed behind an intermediate wall 103 provided with an opening central through which air enters the turbine.
  • a grid of protection 104 is placed in the central opening of the wall intermediate 103, to prevent the penetration of foreign bodies in the turbine 4 while allowing the penetration of air.
  • pipes can be provided water inlet, each having a separate pipe outlet, the pipe outlets being distributed around the axis horizontal 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Commercial Cooking Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Cookers (AREA)
  • Baking, Grill, Roasting (AREA)
EP19990420056 1998-03-09 1999-03-04 Dampfofen mit festem Wasserverteiler Expired - Lifetime EP0942236B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803218A FR2775760B1 (fr) 1998-03-09 1998-03-09 Four a vapeur a repartiteur fixe de l'eau a vaporiser
FR9803218 1998-03-09

Publications (2)

Publication Number Publication Date
EP0942236A1 true EP0942236A1 (de) 1999-09-15
EP0942236B1 EP0942236B1 (de) 2002-07-03

Family

ID=9524111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990420056 Expired - Lifetime EP0942236B1 (de) 1998-03-09 1999-03-04 Dampfofen mit festem Wasserverteiler

Country Status (5)

Country Link
US (1) US6023050A (de)
EP (1) EP0942236B1 (de)
CA (1) CA2265229C (de)
DE (1) DE69901975T2 (de)
FR (1) FR2775760B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2933767A1 (fr) * 2008-07-11 2010-01-15 Fagorbrandt Sas Four de cuisson comprenant un moyen de ventilation de l'enceinte de cuisson cooperant avec au moins un moyen de chauffage

Families Citing this family (32)

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Publication number Priority date Publication date Assignee Title
US6188045B1 (en) * 2000-04-03 2001-02-13 Alto-Shaam, Inc. Combination oven with three-stage water atomizer
DE10017966C2 (de) * 2000-04-12 2003-12-04 Rational Ag Vorrichtung und Verfahren zur Reinigung eines Gargeräteinnenraumes
DE10036581A1 (de) 2000-07-27 2002-02-14 Gerd Muesel Backofen mit Vertiefung für Umluftlüfterrad-Antrieb
JP2005525524A (ja) * 2001-09-07 2005-08-25 アルト−シャーム， インコーポレイテッド コンビネーションオーブン用の湿度制御システム
US7258881B2 (en) * 2002-03-27 2007-08-21 Enodis Corporation Conveyorized oven with moisture laden air impingement and method
US6516712B1 (en) 2002-05-03 2003-02-11 Piemark Feg L.L.C. Steam generator for convection oven and related heat accumulator construction
FR2839546B1 (fr) * 2002-05-07 2006-09-22 Premark Feg Llc Four pour la cuisson d'aliments
US20040187700A1 (en) * 2003-06-09 2004-09-30 Tippmann Robert T. Method and apparatus for accelerating steam in a steam oven
DE20309404U1 (de) * 2003-06-18 2004-06-09 Rational Ag Gargerät mit Beschwadungseinrichtung
WO2006005747A2 (de) * 2004-07-15 2006-01-19 BSH Bosch und Siemens Hausgeräte GmbH Dampfgargerät
KR20060006472A (ko) * 2004-07-16 2006-01-19 삼성전자주식회사 가열조리장치
US20060251785A1 (en) 2005-05-06 2006-11-09 Stefania Fraccon Method for cooking food using steam
US7745763B2 (en) 2005-07-11 2010-06-29 Whirlpool Corporation Method for baking bread using steam
US20070062927A1 (en) * 2005-09-06 2007-03-22 Sells Joel M Steam generator system for a household oven
US7867534B2 (en) * 2006-10-18 2011-01-11 Whirlpool Corporation Cooking appliance with steam generator
US8207477B2 (en) * 2007-11-26 2012-06-26 Whirlpool Corporation Method for cooking vegetables using steam
US20090136640A1 (en) * 2007-11-26 2009-05-28 Whirlpool Corporation Method for Baking a Casserole Using Steam
CN102771523B (zh) * 2008-01-28 2015-04-22 杜克制造公司 对流式炉
US9066523B2 (en) * 2009-01-19 2015-06-30 Accutemp Products, Inc. Method and apparatus for directing steam distribution in a steam cooker
US8821078B2 (en) * 2011-01-07 2014-09-02 Conagra Foods Lamb Weston, Inc. Fluid-based article distribution and sorting system
DE102016215650A1 (de) * 2016-08-19 2018-02-22 BSH Hausgeräte GmbH Haushaltsgargerät
DE202018006409U1 (de) * 2017-08-09 2020-04-23 Sharkninja Operating Llc Kochgerät und Komponenten davon
USD914436S1 (en) 2018-06-19 2021-03-30 Sharkninja Operating Llc Air diffuser with food preparation pot
USD883014S1 (en) 2018-08-09 2020-05-05 Sharkninja Operating Llc Food preparation device
USD934027S1 (en) 2018-08-09 2021-10-26 Sharkninja Operating Llc Reversible cooking rack
USD883015S1 (en) 2018-08-09 2020-05-05 Sharkninja Operating Llc Food preparation device and parts thereof
USD903413S1 (en) 2018-08-09 2020-12-01 Sharkninja Operating Llc Cooking basket
US11051654B2 (en) 2019-02-25 2021-07-06 Sharkninja Operating Llc Cooking device and components thereof
EP3931493A1 (de) 2019-02-25 2022-01-05 SharkNinja Operating LLC Kochsystem mit schutz
USD982375S1 (en) 2019-06-06 2023-04-04 Sharkninja Operating Llc Food preparation device
USD918654S1 (en) 2019-06-06 2021-05-11 Sharkninja Operating Llc Grill plate
US11678765B2 (en) 2020-03-30 2023-06-20 Sharkninja Operating Llc Cooking device and components thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0523489A1 (de) * 1991-07-17 1993-01-20 ZANUSSI GRANDI IMPIANTI S.p.A. Dampferzeugeranordnung für Lebensmittelkochapparate, insbesondere Öfen und dergleichen
EP0640310A1 (de) * 1993-08-05 1995-03-01 ANGELO PO GRANDI CUCINE S.p.A. Konvektions- und Dampfofen für Lebensmittel
DE29606655U1 (de) * 1996-04-12 1996-06-20 Wiesheu-Wiwa GmbH, 71563 Affalterbach Ofen zur Wärmebehandlung von Lebensmitteln

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DE2747097A1 (de) 1977-10-20 1979-05-03 Buderus Ag Geraet zur waermebehandlung von lebensmitteln und speisen
DE8604451U1 (de) 1986-02-19 1986-04-30 Eloma GmbH Bedarfsartikel zur Gemeinschaftsverpflegung, 8031 Gernlinden Gerät zum Garen von Nahrungsmitteln
US4700685A (en) 1986-05-09 1987-10-20 Lincoln Foodservice Products, Inc. Combination convection and steamer oven
DE4131748C2 (de) 1991-09-24 1997-12-18 Kueppersbusch Heiß-Umluftgerät zum Garen von Lebensmitteln
US5530223A (en) * 1993-08-05 1996-06-25 Angelo Po Grandi Cucine S.P.A. Convection and steam oven with a pre-atomizer
FR2728656B1 (fr) * 1994-12-21 2000-02-18 Fagor S Coop Ltda Four commercial de cuisinage combine a gaz
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FR2754334B1 (fr) * 1996-10-07 1998-12-18 Bourgeois Prod Coop Four a vapeur et convexion forcee

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0523489A1 (de) * 1991-07-17 1993-01-20 ZANUSSI GRANDI IMPIANTI S.p.A. Dampferzeugeranordnung für Lebensmittelkochapparate, insbesondere Öfen und dergleichen
EP0640310A1 (de) * 1993-08-05 1995-03-01 ANGELO PO GRANDI CUCINE S.p.A. Konvektions- und Dampfofen für Lebensmittel
DE29606655U1 (de) * 1996-04-12 1996-06-20 Wiesheu-Wiwa GmbH, 71563 Affalterbach Ofen zur Wärmebehandlung von Lebensmitteln

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2933767A1 (fr) * 2008-07-11 2010-01-15 Fagorbrandt Sas Four de cuisson comprenant un moyen de ventilation de l'enceinte de cuisson cooperant avec au moins un moyen de chauffage

Also Published As

Publication number Publication date
FR2775760B1 (fr) 2000-05-05
DE69901975T2 (de) 2003-03-13
FR2775760A1 (fr) 1999-09-10
DE69901975D1 (de) 2002-08-08
EP0942236B1 (de) 2002-07-03
CA2265229A1 (fr) 1999-09-09
US6023050A (en) 2000-02-08
CA2265229C (fr) 2007-05-22

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