EP0476364A1 - Four de cuisson - Google Patents

Four de cuisson Download PDF

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Publication number
EP0476364A1
EP0476364A1 EP91114306A EP91114306A EP0476364A1 EP 0476364 A1 EP0476364 A1 EP 0476364A1 EP 91114306 A EP91114306 A EP 91114306A EP 91114306 A EP91114306 A EP 91114306A EP 0476364 A1 EP0476364 A1 EP 0476364A1
Authority
EP
European Patent Office
Prior art keywords
oven
oven door
door
air
flow guide
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
EP91114306A
Other languages
German (de)
English (en)
Other versions
EP0476364B1 (fr
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.)
Gaggenau Werke Haus und Lufttechnik GmbH
Original Assignee
Gaggenau Werke Haus und Lufttechnik 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 Gaggenau Werke Haus und Lufttechnik GmbH filed Critical Gaggenau Werke Haus und Lufttechnik GmbH
Publication of EP0476364A1 publication Critical patent/EP0476364A1/fr
Application granted granted Critical
Publication of EP0476364B1 publication Critical patent/EP0476364B1/fr
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
    • F24C15/006—Arrangements for circulation of cooling air
    • 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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels

Definitions

  • the invention relates to an oven in which a cooling air flow is generated in at least one cooling air blower in a cooling air duct of the housing containing an air inflow channel and an outlet channel, which passes through the space in the oven door between the outermost oven door pane and an inner oven door pane.
  • an air forced cooling system is known to keep the outer surfaces of a stove when operating the oven below predetermined maximum temperatures.
  • the cooling air is drawn in through a cooling fan through inlet openings below the oven door and through inlet openings at the lower edge of the oven door.
  • the cooling air is distributed within the cooling air guide channels of the housing and prevents inadmissible heat transfer from the surfaces of the heat-insulated oven muffle to the outer surfaces or the bottom surface of the cooker.
  • the oven door and the door windows are also cooled by the air flow in the space between the outermost oven door window and an inner oven door window designed as a double window.
  • DE-GM 87 05 364 shows a split glass front that surrounds the switch panel and the oven door, in which the oven door is thermally separated from the door body by a cooling air duct provided on the rear of the glass front.
  • the cooling air flowing upward in the space between the door body and the oven door front panel emerges without a targeted air flow in the lower part of the bowl-shaped glass front in a gap opening between the upper and the lower part.
  • both an ascending air duct with an overhead air duct that expediently extends over the entire width of the oven door and a downward air duct with a slot-shaped outlet of the exhaust air duct below the oven door are possible. If the air duct rises and the exhaust duct exits at the level of the switch panel, this may result in a warm air blowing flow which is unpleasant for the user.
  • DE-AS 23 29 024 therefore specifies a distribution of the exhaust air duct from the outlet side of the cooker by means of a flow guide in the form of a V-shaped wedge, so that the cooling air sucked in from below exits into the bypass space in two lateral outlet openings above the oven door.
  • This exhaust air duct and the enlargement of the blow-out area are intended on the one hand to lower the temperature of the exiting heated cooling air and on the other hand to avoid blowing directly on the operator standing in front of the stove.
  • a V-shaped flow guide body which deflects the cooling-air flow fanned by a blower to blow-out openings lying laterally below the switch strip, is also known from DE-OS 23 10 290 and from DE-OS 23 52 961.
  • a roof guiding flow guide body is used in an oven in DE-OS 26 56 565 to guide a part of the cooling air flow in the area of the rear air outlet recess to the mouth of a vapor extraction duct and thereby to achieve a vapor extraction mixed with the heated cooling air being discharged.
  • the invention is based on the task of designing an oven of the type described in the introduction in such a way that, with expediently effective cooling air guidance, increased cooling occurs where maximum values are to be expected across the width of the oven door after the temperature distribution.
  • This problem is solved in that the air duct is designed to adapt to the temperature distribution on the outermost oven door window over the door width with different air passage, the largest air flow occurring in the central area.
  • Such a design allows the cooling air requirement to be adapted to the temperature distribution in such a way that an essentially uniform permissible temperature on the outside is not exceeded even in the region of the outermost oven door pane.
  • the different air flow rates across the door width can be solved technically in different ways.
  • An advantageous possibility is to enlarge the passage cross section of the air flow in the central region by the shaping of at least one oven door pane and thus to cause an increased air throughput.
  • This different flow recess is expediently created by the shape of the outermost oven door pane.
  • the outermost oven door pane can advantageously be curved at least in the area of its vertical edges, but also as a whole with a vertical axis of curvature.
  • a corresponding shaping of the inner oven door window which changes the channel cross section can also take place.
  • At least one flow guide element which reduces the flow cross section or the flow intensity in the edge region of the oven door on both sides compared to the central region of the oven door pane.
  • Such a flow guiding element can advantageously be arranged in the space between the outermost oven door pane and an inner oven door pane.
  • a row of suction openings distributed over the width of the oven door can be used, which have a larger cross section in the central region than in the region of the vertical outer edges.
  • a flow guide is arranged in the cooling air duct for the outlet of the exhaust air duct in such a way that the heated cooling air is at least partially from the Intake area of the cooling air supply to the oven door is deflected.
  • Such a flow guiding body can expediently be arranged symmetrically in the central region in front of the outlet of the exhaust air duct which extends across the door width below the oven door in such a way that the exhaust air is conducted from the central region into the edge regions below the door.
  • the flow guide body is advantageously formed triangularly diverging in the flow direction.
  • a further advantageous design can optionally be achieved in that the flow guide for asymmetrical flow control is arranged such that the heated cooling air exits on one side in the edge region of the oven door, which is on the side of the vertical axis of rotation of the oven door. This prevents the operator from standing in the heated exhaust air flow when gripping the handle bar to open the oven door.
  • Such a flow guide body can expediently be designed to be switchable after the optionally fixed door stop. This makes it possible to determine that the outlet of the exhaust air flow is in each case on the opposite edge side facing away from the grip strip.
  • An advantageous embodiment of the switchable flow guide body can provide that it is a pivotable air baffle.
  • Both the symmetrical flow guide and the flow guide body intended for asymmetrical air guidance can optionally be provided with thermal insulation which supplements the reduced heat insulation in the area of the flow guide body.
  • the flow guide body can either be made of a heat-insulating material, for example plastic, or, in the case of thin-walled metal formation, have a heat-insulating filling made of insulation material.
  • a Bachofen muffle 1 which is optionally insulated on the outside with thermal insulation material, is shown, which is closed on the front side with an oven door 3 which is pivotably articulated in hinge bearings 2 about a vertical pivot axis.
  • a cooling air blower 6 is provided in the cooling air duct of the housing containing a cooling air inflow duct 4 and an exhaust air duct 5 in order to facilitate flow.
  • the oven door 3 provided with rising air flow from an intake slot 3a has an outermost oven door window 7 and an inner oven door window designed as a double window 8.9. Between the inside of the outermost oven door pane 7 and the outside of the inner oven door pane 8, a cooling duct 10 is formed in the oven door 3, which allows a different air throughput with a maximum value in the middle area over the door width.
  • the outermost oven door pane 7a is bent inwards in the area of its outer vertical edges, as a result of which the passage cross section of the cooling channel 10 and thus the amount of air flowing to the sides is reduced and concentrated on the central area.
  • FIG. 3 shows a shape of the outermost oven door pane 7b that is kinked in the region of the center line and resembles a roof ridge. In this case too, there is a maximum air throughput in the central region of the cooling duct 10.
  • the sectional view in Fig. 5 shows a triangular flow guide body 11, which is arranged in the exhaust air duct 5 (see Fig. 1) symmetrically to the central area in front of the outlet of the exhaust air duct such that the heated cooling air from the area of the suction slot 3a on the underside of the oven door 3 is deflected towards the two edge areas of the door. This is to avoid that warm exhaust air is sucked out of the exhaust air duct 5 in a short-circuit manner in the intake slots 3 a of the oven door 3.
  • the oven door 3 which is designed analogously to the exemplary embodiment in FIG. 4, can thus draw in cool room air via the suction slot 3a.
  • the symmetrical flow guide body 11 is lined with an insulation filling 12 in its interior.
  • FIG. 6 shows an air guide plate 13, which can be swiveled around a pivot pin 14 and can be switched over after the optionally selectable door stop of the oven door 3, which allows the heated cooling air to be discharged on one side in the edge region of the oven door 3, which on the side of the vertical axis of rotation of the oven door 3 lies and faces away from the side of the handle of the oven door 3.
  • the embodiment shown shows the door hinge on the left and thus adapted an exit of the heated cooling air in the left edge area of the oven door.
  • fresh air from the surrounding space also enters the cooling air inflow channel 4, as indicated by the arrow in FIG. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)
EP91114306A 1990-09-10 1991-08-26 Four de cuisson Expired - Lifetime EP0476364B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4028674 1990-09-10
DE4028674A DE4028674A1 (de) 1990-09-10 1990-09-10 Backofen

Publications (2)

Publication Number Publication Date
EP0476364A1 true EP0476364A1 (fr) 1992-03-25
EP0476364B1 EP0476364B1 (fr) 1993-06-16

Family

ID=6413952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91114306A Expired - Lifetime EP0476364B1 (fr) 1990-09-10 1991-08-26 Four de cuisson

Country Status (3)

Country Link
US (1) US5107821A (fr)
EP (1) EP0476364B1 (fr)
DE (2) DE4028674A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0563680A2 (fr) * 1992-03-25 1993-10-06 Schott Glaswerke Regard pour appareil à température interne élevée
EP0953807A3 (fr) * 1998-04-27 2000-09-13 Schott Glas Porte à hublot pour appareil ménager
EP1431670A2 (fr) * 2002-12-18 2004-06-23 BSH Bosch und Siemens Hausgeräte GmbH Boíte pour un appareil de cuisson
EP1795810A2 (fr) * 2005-12-06 2007-06-13 LG Electronics Inc. Four électrique

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4209622A1 (de) * 1992-03-25 1993-09-30 Schott Glaswerke Sichtfenster für ein Gerät mit erhöhter Innenraumtemperatur
DE9416398U1 (de) * 1994-10-12 1994-12-01 Gebr. Seppelfricke GmbH, 45881 Gelsenkirchen Backofen bzw. Backkasten mit einer Tür
IT1296326B1 (it) * 1997-09-23 1999-06-25 Electrolux Zanussi Elettrodome Perfezionamenti ai forni di cottura domestici da incasso
US6172338B1 (en) 1999-10-05 2001-01-09 Maytag Corporation Cooling system for a cooking appliance
DE19950819A1 (de) * 1999-10-21 2001-04-26 Bsh Bosch Siemens Hausgeraete Backofentür-Glasscheibe
DE10307086A1 (de) * 2003-02-19 2004-09-09 Electrolux Home Products Corporation N.V. Garofen
US20050139209A1 (en) * 2003-12-26 2005-06-30 David Deng Insulated fireplace
ES2443172T3 (es) 2004-01-28 2014-02-18 Arçelik Anonim Sirketi Dispositivo de cocción que tiene placas deflectoras para guiar una corriente de aire de refrigeración a través de la puerta
KR100613510B1 (ko) * 2004-04-12 2006-08-17 엘지전자 주식회사 조리기구의 냉각구조
US7874289B2 (en) * 2005-03-29 2011-01-25 Maytag Corporation Door assembly for a cooking appliance
DE102005044646B4 (de) * 2005-09-19 2017-10-12 BSH Hausgeräte GmbH Gargerät
US8757139B2 (en) 2009-06-29 2014-06-24 David Deng Dual fuel heating system and air shutter
DE102007005718A1 (de) * 2007-02-05 2008-08-07 BSH Bosch und Siemens Hausgeräte GmbH Lüftungsblende und Ofen
KR101281513B1 (ko) * 2008-02-05 2013-07-03 삼성전자주식회사 오븐
EP2241820B1 (fr) * 2009-04-10 2013-09-25 Koninklijke Fabriek Inventum B.V. Four doté d'un refroidissement externe et methode d'operation
US9686825B2 (en) * 2009-09-01 2017-06-20 Manitowoc Foodservice Uk Limited Method and apparatus for cooling a user interface and/or door of a cooking device
US9829195B2 (en) 2009-12-14 2017-11-28 David Deng Dual fuel heating source with nozzle
DE102010000291A1 (de) 2010-02-03 2011-08-04 Rational AG, 86899 Garraumtür und Gargerät
FR2956949B1 (fr) 2010-03-04 2013-04-19 Pelle Equipements Dispositif de cuisson de produits alimentaires a base de pate et filet de cuisson.
CN202328495U (zh) 2011-11-16 2012-07-11 普鲁卡姆电器（上海）有限公司 带有360度风门调节装置的多气源平衡式燃气取暖器
JP6275724B2 (ja) * 2012-09-12 2018-02-07 レヴェント インターナショネール アクツィーボラグＲｅｖｅｎｔ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ 熱風ラックオーブン
CA2813871C (fr) 2013-04-19 2016-05-31 Canadian Heating Products Inc. Systeme de refroidissement pour foyer au gaz
US20150075513A1 (en) * 2013-09-19 2015-03-19 General Electric Company Oven Range Appliance and a Cooling Assembly for the Same
US10495318B2 (en) 2017-05-26 2019-12-03 Electrolux Home Products, Inc. Balanced cooling duct for cooking oven
US11045047B2 (en) 2017-11-10 2021-06-29 Ron's Enterprises, Inc. Variable capacity oven
US10619862B2 (en) * 2018-06-28 2020-04-14 Whirlpool Corporation Frontal cooling towers for a ventilation system of a cooking appliance
US11073288B2 (en) 2019-06-26 2021-07-27 Bsh Home Appliances Corporation Thick oven door with cooling

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394176A (en) * 1944-06-14 1946-02-05 Florence Stove Co Oven door construction
US4163444A (en) * 1977-01-06 1979-08-07 Les Industries Bfg Limitee Door for pyrolytic range
DE3712232A1 (de) * 1987-04-10 1988-10-27 Licentia Gmbh Hausgeraete-glasfront, vorzugsweise herdfront
DE8900624U1 (de) * 1988-02-17 1989-03-23 N.V. Philips' Gloeilampenfabrieken, Eindhoven Herd, insbesondere ein Mikrowellenherd, mit einer schrägen Vorderfläche

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Publication number Priority date Publication date Assignee Title
US3659582A (en) * 1970-06-10 1972-05-02 Dearborn Glass Co Oven cabinet construction
DE2310290C3 (de) * 1973-03-01 1978-07-13 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Einbaubackofen mit Mitteln zur pyrolyttschen Selbstreinigung
DE2329024B2 (de) * 1973-06-07 1978-09-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Herd, insbesondere Herd mit pyrolytischer Selbstreinigung des Bratraumes
DE2352961B2 (de) * 1973-10-23 1978-04-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Herd mit Bratraum und im Herdgehäuse angeordnetem Lüfter
US3889100A (en) * 1974-07-31 1975-06-10 Gen Electric Oven ventilating system
US3889099A (en) * 1974-07-31 1975-06-10 Gen Electric Door cooling system
DE2656565B2 (de) * 1976-12-14 1979-07-12 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Backofen mit einem Wrasenabzugskanal
DE2830342C2 (de) * 1978-07-11 1987-02-12 Buderus Ag, 6330 Wetzlar Einbau-Doppelbackofen
DE8705364U1 (de) * 1987-04-10 1988-08-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Hausgeräte-Glasfront, vorzugsweise Herdfront

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394176A (en) * 1944-06-14 1946-02-05 Florence Stove Co Oven door construction
US4163444A (en) * 1977-01-06 1979-08-07 Les Industries Bfg Limitee Door for pyrolytic range
DE3712232A1 (de) * 1987-04-10 1988-10-27 Licentia Gmbh Hausgeraete-glasfront, vorzugsweise herdfront
DE8900624U1 (de) * 1988-02-17 1989-03-23 N.V. Philips' Gloeilampenfabrieken, Eindhoven Herd, insbesondere ein Mikrowellenherd, mit einer schrägen Vorderfläche

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
US-A-2 394 176 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0563680A2 (fr) * 1992-03-25 1993-10-06 Schott Glaswerke Regard pour appareil à température interne élevée
EP0563680A3 (fr) * 1992-03-25 1994-02-23 Schott Glaswerke
EP0953807A3 (fr) * 1998-04-27 2000-09-13 Schott Glas Porte à hublot pour appareil ménager
EP1431670A2 (fr) * 2002-12-18 2004-06-23 BSH Bosch und Siemens Hausgeräte GmbH Boíte pour un appareil de cuisson
EP1431670A3 (fr) * 2002-12-18 2011-02-02 BSH Bosch und Siemens Hausgeräte GmbH Boîte pour un appareil de cuisson
EP1795810A2 (fr) * 2005-12-06 2007-06-13 LG Electronics Inc. Four électrique
EP1795810A3 (fr) * 2005-12-06 2010-12-22 LG Electronics Inc. Four électrique

Also Published As

Publication number Publication date
DE4028674A1 (de) 1992-03-12
US5107821A (en) 1992-04-28
DE59100155D1 (de) 1993-07-22
EP0476364B1 (fr) 1993-06-16

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