EP0482602B1 - Backofen - Google Patents

Backofen Download PDF

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Publication number
EP0482602B1
EP0482602B1 EP91118057A EP91118057A EP0482602B1 EP 0482602 B1 EP0482602 B1 EP 0482602B1 EP 91118057 A EP91118057 A EP 91118057A EP 91118057 A EP91118057 A EP 91118057A EP 0482602 B1 EP0482602 B1 EP 0482602B1
Authority
EP
European Patent Office
Prior art keywords
oven
air
housing
muffle
baking oven
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.)
Expired - Lifetime
Application number
EP91118057A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0482602A1 (de
Inventor
Rainer Dipl.-Ing. Haberlander (Fh)
Josef Gerl
Uwe Dipl.-Ing. Belzner
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
Bosch Siemens Hausgerate 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 Bosch Siemens Hausgerate GmbH filed Critical Bosch Siemens Hausgerate GmbH
Publication of EP0482602A1 publication Critical patent/EP0482602A1/de
Application granted granted Critical
Publication of EP0482602B1 publication Critical patent/EP0482602B1/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
    • F24C15/006—Arrangements for circulation of cooling air

Definitions

  • the invention relates to an oven according to the preamble of claim 1.
  • Such an oven is known from DE-A-2 449 962 and DE-A-23 10 290.
  • a largely closed, elongated air duct is provided above the furnace muffle, into which the pressure side of a cooling air blower opens.
  • a vapor opening likewise opens into the air duct, through which strongly heated vapors can enter during operation of the oven and into the air duct and are discharged to the outside together with the heated air coming from the surrounding area of the furnace muffle.
  • This system requires a cooling air blower.
  • the invention has for its object to improve an oven of the type mentioned in the preamble of claim 1 in such a way that effective and targeted heat dissipation is made possible in a very simple manner and also without the installation of a special cooling air blower.
  • the more or less strongly heated air flow which is caused by natural operation of the oven Convection sets, collected in a bowl-like cavity, which cavity is arranged at a point on the device where the convection current is the hottest. This is usually the point immediately above the furnace muffle or its muffle flange on the front of the housing, ie where the air outlet opening is usually located.
  • a certain overpressure is created by the inflowing warm or hot air, which in turn causes a targeted outflow of this air to the outside.
  • the oven according to the figures is designed as a so-called built-in oven and has an outer oven housing 1, with which it rests on a base plate 2 of a kitchen piece of furniture, not shown.
  • an outer oven housing 1 Inside the furnace housing 1 is (only indicated schematically in Fig. 2) a cuboid, metallic oven muffle 3 with a muffle flange 4 surrounding a loading opening and an insulation 5 surrounding the oven muffle 3.
  • the oven muffle contains electrical heating elements, for example 6, in the form of a tubular heating element and behind a baffle wall 7 a fan wheel 8 which is driven by a fan motor 9, which in turn carries a smaller fan wheel 10 on its outer shaft end, which mainly serves to cool the blower motor 9.
  • the loading opening of the furnace muffle 3 can be closed by an furnace door 11, consisting of an inner door base 12 in the form of a transparent glass pane and an outer door panel 13, also in the form of a transparent glass pane.
  • a convection cavity 14 with air inlet openings at the bottom and air outlet openings at the top is formed between the door base 12 and the door leaf 13.
  • a handle bar 15 is attached, which has a flow orifice 17 protruding beyond the front of the housing with a roof-shaped downward extension 18, which flow orifice 17 extends over the entire width of the oven and a control panel attached to the oven housing above the handle bar 15 19 extends with display and control elements, for example 20.
  • At least one air outlet opening 21 is worked into it, which is designed, for example, as an elongated, horizontal slot which is covered by the flow diaphragm.
  • an air collecting tray is designated, which is attached to the furnace housing 1 in the area of the control panel 19 and protrudes rearward in the interior of the housing space 23 and is inclined with a rear shell wall obliquely towards the rear of the housing, as shown in FIG. 2.
  • This air collecting shell 22 preferably also extends over the entire width of the Oven or the furnace housing 1.
  • the shell wall 22 ′ which is inclined downwards obliquely extends to approximately the insulation 5 of the furnace muffle 3 and is directed with the open shell side downward and faces the lower housing space 23 in the region of the furnace muffle 3.
  • the arrow 24 shows the flow path for the vapors emerging from the furnace muffle, which is introduced into the air outlet opening in the handle area and mixes there with the air coming from the air collecting shell.
  • the aforementioned air collecting tray 22 forms a collecting and storage space 25 for the air which rises from bottom to top when the oven is in operation and rinses the insulation 5 of the oven muffle 3 and heats it up (represented by solid arrows). The hot air flowing upward into the cavity 14 in the oven door 11 likewise collects in the aforementioned space 25.
  • the air collecting tray 22 can of course also extend more towards the rear wall of the oven than is shown in FIG. 2.
  • this air trap which can also be a half-shell or the like, causes the warm air rising from the inside of the furnace muffle or in the vicinity thereof to be mixed, if necessary mixed and directed to a defined air outlet opening and into the open air is dissipated, even without an additional cooling fan.
  • the downward-drawn air collecting tray also serves as a privacy screen with respect to the interior of the furnace housing 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
EP91118057A 1990-10-25 1991-10-23 Backofen Expired - Lifetime EP0482602B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4033989 1990-10-25
DE4033989A DE4033989A1 (de) 1990-10-25 1990-10-25 Backofen

Publications (2)

Publication Number Publication Date
EP0482602A1 EP0482602A1 (de) 1992-04-29
EP0482602B1 true EP0482602B1 (de) 1995-06-14

Family

ID=6417052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91118057A Expired - Lifetime EP0482602B1 (de) 1990-10-25 1991-10-23 Backofen

Country Status (5)

Country Link
EP (1) EP0482602B1 (enrdf_load_stackoverflow)
AT (1) ATE123865T1 (enrdf_load_stackoverflow)
DE (2) DE4033989A1 (enrdf_load_stackoverflow)
DK (1) DK0482602T3 (enrdf_load_stackoverflow)
ES (1) ES2075923T3 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016223040A1 (de) * 2016-11-22 2018-05-24 Daub Backtechnik Gmbh Heizplatte für Backöfen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524369A1 (de) * 1995-07-04 1997-01-09 Bosch Siemens Hausgeraete Backofen
DE19757640C5 (de) * 1997-12-23 2007-04-05 Ebm-Papst Landshut Gmbh Vorrichtung zum Belüften eines Backofens mit Backmuffel
ES2184362T3 (es) * 1998-03-09 2003-04-01 Bsh Bosch Siemens Hausgeraete Aparato de coccion con un conducto de ventilacion.
FR2906872B1 (fr) * 2006-10-05 2015-05-08 Brandt Ind Four de cuisson comprenant un dispositif de deflexion d'air.
US8450656B2 (en) 2008-10-27 2013-05-28 Electrolux Home Products, Inc. Cooking apparatus with protective shield
KR101692735B1 (ko) * 2015-05-08 2017-01-04 엘지전자 주식회사 조리기기

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057341A (en) * 1959-05-21 1962-10-09 Tappan Co Built-in oven
DE2106869B2 (de) * 1971-02-13 1977-08-25 Neff - Werke, Carl Neff Gmbh, 7518 Bretten Haushaltsbackofen
DE2310290C3 (de) * 1973-03-01 1978-07-13 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Einbaubackofen mit Mitteln zur pyrolyttschen Selbstreinigung
FR2271515A1 (en) * 1973-10-23 1975-12-12 Cepem Self-cleaning baking-oven cooled by air-convection - has outlets to control device, and surrounding space
DE3246333A1 (de) * 1982-12-15 1984-06-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Haushaltsback- und -bratofen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016223040A1 (de) * 2016-11-22 2018-05-24 Daub Backtechnik Gmbh Heizplatte für Backöfen
DE102016223040B4 (de) * 2016-11-22 2021-04-01 Daub Backtechnik Gmbh Heizplatte für Backöfen

Also Published As

Publication number Publication date
ES2075923T3 (es) 1995-10-16
EP0482602A1 (de) 1992-04-29
DK0482602T3 (da) 1995-11-20
DE4033989C2 (enrdf_load_stackoverflow) 1992-07-23
DE59105704D1 (de) 1995-07-20
DE4033989A1 (de) 1992-04-30
ATE123865T1 (de) 1995-06-15

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