EP0319373A1 - Elektrischer Kocher mit Luftumwälzung - Google Patents

Elektrischer Kocher mit Luftumwälzung Download PDF

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Publication number
EP0319373A1
EP0319373A1 EP88402931A EP88402931A EP0319373A1 EP 0319373 A1 EP0319373 A1 EP 0319373A1 EP 88402931 A EP88402931 A EP 88402931A EP 88402931 A EP88402931 A EP 88402931A EP 0319373 A1 EP0319373 A1 EP 0319373A1
Authority
EP
European Patent Office
Prior art keywords
fan
openings
oven
bottom wall
oven 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.)
Withdrawn
Application number
EP88402931A
Other languages
English (en)
French (fr)
Inventor
Roger Eisenberg
Bernard Poireau
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.)
SEB SA
Original Assignee
SEB SA
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 SEB SA filed Critical SEB SA
Publication of EP0319373A1 publication Critical patent/EP0319373A1/de
Withdrawn legal-status Critical Current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
    • F24C15/325—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation electrically-heated

Definitions

  • the present invention relates to a cooking oven for domestic use comprising a cooking enclosure, an electric heating resistor, and a fan for creating an air circulation inside the enclosure.
  • Certain so-called fan-assisted cooking ovens have inside a fan generally near the rear face of the cooking chamber, a fan which makes it possible to stir the air inside this chamber.
  • the cooking chamber naturally also includes electrical heating resistors and a thermal probe connected to a temperature regulation member.
  • the object of the present invention is to remedy the drawbacks of known embodiments by creating a cooking oven of simple construction, the interior of which is easily cleaned and in which the arrangement of the resistances with respect to the air flow is optimal.
  • the invention thus relates to a cooking oven, in particular for domestic use, comprising an interior cooking enclosure and an exterior bodywork, the front face being provided with an access door and the rear face comprising a removable bottom wall.
  • this oven is characterized in that said bottom wall is associated with a box in which are mounted a fan driven by a motor, an electric heating resistor and means for regulating the heating of the latter, the heating resistor being placed in the air flow generated by the fan and the bottom wall having openings for passage of the air flow.
  • the essential heating and ventilation elements of the oven are grouped in a box which is outside the oven. Therefore, the interior of the cooking chamber is devoid of any member capable of complicating the construction and cleaning of the oven.
  • the heating resistor is placed in the air flow generated by the fan allows production of hot air under very favorable thermal conditions, while guaranteeing optimal mixing of the air inside. of the cooking chamber.
  • the oven according to the invention differs from the conventional static oven, in that its closed bottom wall is replaced by a sub-assembly, comprising a bottom wall with openings covered by a box inside which are mounted. all the components necessary to transform the conventional oven into a ventilated oven.
  • the aforementioned sub-assembly thus constitutes a sort of mounting kit which makes it possible to transform a conventional oven into a ventilated oven. This transformation is easy because the fixing means provided for the bottom wall of the conventional oven can be used to fix the aforementioned sub-assembly, which thus replaces the above wall.
  • the fan is mounted in rotation along an axis perpendicular to the wall provided with openings, the fan comprises blades generating a radial air flow and the heating resistance surrounds the fan.
  • the heating resistance is located directly in the radial air flow generated during the fan rotation.
  • the heating resistor comprises one or more turns surrounding the fan. This arrangement allows optimal heat exchange between the air flow and the heating resistor.
  • the cooking oven in particular for domestic use comprises an interior cooking enclosure 1 of generally parallelepipedal shape surrounded by an exterior bodywork.
  • the front face is provided with an access door (not shown) and the rear face has a removable bottom wall 2.
  • This bottom wall 2 is associated with a box 3 resting on its periphery in which are mounted a fan 4 driven by a motor 9, an electric heating resistor 5 and means 15 for regulating the heating of the latter.
  • the heating resistor 5 is placed in the air flow generated by the fan and the bottom wall 2 has openings 6, 7, 8 for passage of the air flow.
  • the box 3 has a peripheral rim 3a which is fixed by means of screws to the edge of the rear wall 2 of the oven. These screws are used to fix the bottom wall 2 and the box 3 at the same time against the periphery of the furnace body.
  • the box 3 supports the motor 9 for driving the fan 4 in rotation and contains the means for regulating the heating of the resistor 5.
  • This motor 9 comprises a shaft 10 (see FIG. 4) which passes through the wall of the box 3 and carries the fan 4.
  • the fan 4 is thus mounted in rotation along an axis perpendicular to the wall 2 provided with the openings 6, 7, 8.
  • the fan 4 has blades generating a radial air flow and the heating resistor 5 surrounds the fan 4.
  • this heating resistor 5 comprises two turns which surround the fan 4. This resistor 5 is fixed to the bottom of the box 3 by means of the tabs 11, 12.
  • the wall 2 of the cooking enclosure adjacent to the fan 4 comprises a series of openings 6 arranged facing the central part of the fan and lateral openings 7, 8 arranged facing the periphery of this last.
  • lateral openings 7, 8 in the form of slots each have on their outer bond a flap 7a, 8a inclined towards the resistor 5 (see FIG. 4).
  • FIGS. 2 and 4 it can also be seen that the electric motor 9 located outside the metal box 3 is surrounded by a box 13 provided with a ventilation grid 14 for cooling the motor 9.
  • the box 3 also contains (see FIGS. 2 and 4) a thermal probe 15 connected to a thermostat, not shown, used to regulate the heating temperature.
  • an electric lamp can also be placed to light the interior of the cooking enclosure through an opening made in location 17 (see FIG. 3) of the rear side 2 of the cooking chamber. All the heating, ventilating, regulating and lighting components of the oven are thus grouped outside the cooking enclosure 1. The interior of this cooking enclosure 1 is therefore devoid of all these organs and is thus very simple and easily cleaned.
  • the air is then propelled radially by the fan 4 towards the turns of the heating resistor 5 which thus have the effect of heating this air.
  • the hot air thus formed is propelled by the fan inside the cooking chamber 1 by the side slots 7, 8.
  • the flaps 7a, 8a thereof act as deflectors to facilitate the entry of the hot air inside the cooking chamber 1 (see arrows F1).
  • the manufacturer of a conventional oven can use the cooking enclosure surrounded by the body of this conventional oven, to transform it into a ventilated oven by replacing the bottom wall with the aforementioned ventilation sub-assembly, without having to equipping the interior of the cooking chamber with heating resistors which add to the cost of manufacturing conventional ovens.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)
  • Lubricants (AREA)
EP88402931A 1987-11-27 1988-11-23 Elektrischer Kocher mit Luftumwälzung Withdrawn EP0319373A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8716480A FR2623883B1 (fr) 1987-11-27 1987-11-27 Four de cuisson electrique a ventilation
FR8716480 1987-11-27

Publications (1)

Publication Number Publication Date
EP0319373A1 true EP0319373A1 (de) 1989-06-07

Family

ID=9357251

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88402931A Withdrawn EP0319373A1 (de) 1987-11-27 1988-11-23 Elektrischer Kocher mit Luftumwälzung

Country Status (4)

Country Link
EP (1) EP0319373A1 (de)
DE (1) DE319373T1 (de)
ES (1) ES2011228A4 (de)
FR (1) FR2623883B1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0443330A2 (de) * 1990-02-22 1991-08-28 Bosch-Siemens HausgerÀ¤te GmbH Backofen
US5404420A (en) * 1993-08-10 1995-04-04 Song; Eugene Cooking oven using far-infrared tube heater
EP0833110A1 (de) * 1996-09-30 1998-04-01 Bosch-Siemens HausgerÀ¤te GmbH Backofen mit Gebläse
EP0852317A1 (de) * 1998-03-27 1998-07-08 Electrolux AG Backrohr mit einem Lufteinlass und einer Heizelementanordung
DE20309268U1 (de) * 2003-06-12 2004-06-09 Rational Ag Gargeräte mit Luftleitgliedern
EP1774225A1 (de) * 2004-06-14 2007-04-18 Seb S.A. Vorrichtung zum erhitzen eines umluftherdes
DE102007026218A1 (de) * 2007-06-05 2008-12-11 BSH Bosch und Siemens Hausgeräte GmbH Backofen
EP1970635A3 (de) * 2008-06-26 2009-02-18 V-Zug AG Heissluft-Backofen mit Umlenkblechen
EP2466217A1 (de) * 2010-12-15 2012-06-20 BSH Bosch und Siemens Hausgeräte GmbH Anordnung zum Anschluss von Haushaltsgerätekomponenten
WO2015165495A1 (en) * 2014-04-29 2015-11-05 Arcelik Anonim Sirketi Electric oven having an improved uniform heat distribution profile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2310109B1 (es) * 2007-01-17 2009-12-03 Dobra Industrial, S.A. Horno y metodo de coccion y deshumidificacion de pan parcialmente precocido o de deshumidificacion de pan cocido.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334916A1 (fr) * 1975-12-09 1977-07-08 Scholtes Ets Eugen Four electrique de cuisson a usage menager
EP0023827A1 (de) * 1979-08-01 1981-02-11 Matsushita Electric Industrial Co., Ltd. Kochgerät mit Heissluftzirkulation
GB2054833A (en) * 1979-06-25 1981-02-18 Tokyo Shibaura Electric Co Fan-assisted cooking ovens
GB1601690A (en) * 1978-05-19 1981-11-04 Belling & Co Ltd Fan assisted grill oven
EP0245617A2 (de) * 1986-05-15 1987-11-19 Kabushiki Kaisha Toshiba Umluftherd

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58160739A (ja) * 1982-03-19 1983-09-24 Matsushita Electric Ind Co Ltd 加熱調理器
JPS59202333A (ja) * 1983-04-28 1984-11-16 Matsushita Electric Ind Co Ltd 熱風循環式オ−ブン

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334916A1 (fr) * 1975-12-09 1977-07-08 Scholtes Ets Eugen Four electrique de cuisson a usage menager
GB1601690A (en) * 1978-05-19 1981-11-04 Belling & Co Ltd Fan assisted grill oven
GB2054833A (en) * 1979-06-25 1981-02-18 Tokyo Shibaura Electric Co Fan-assisted cooking ovens
EP0023827A1 (de) * 1979-08-01 1981-02-11 Matsushita Electric Industrial Co., Ltd. Kochgerät mit Heissluftzirkulation
EP0245617A2 (de) * 1986-05-15 1987-11-19 Kabushiki Kaisha Toshiba Umluftherd

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 287, 21 décembre 1983, page 90 M 264; & JP-A-58 160 739 (MATSUSHITA DENKI SANGYO K.K.) 24-09-1983 *
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 70, 30 mars 1985, page 128 M 367; & JP-A-59 202 333 (MATSUSHITA DENKI SANGYO K.K.) 16-11-1984 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0443330A2 (de) * 1990-02-22 1991-08-28 Bosch-Siemens HausgerÀ¤te GmbH Backofen
EP0443330A3 (en) * 1990-02-22 1991-11-06 Bosch-Siemens Hausgeraete Gmbh Baking oven
US5404420A (en) * 1993-08-10 1995-04-04 Song; Eugene Cooking oven using far-infrared tube heater
EP0833110A1 (de) * 1996-09-30 1998-04-01 Bosch-Siemens HausgerÀ¤te GmbH Backofen mit Gebläse
EP0852317A1 (de) * 1998-03-27 1998-07-08 Electrolux AG Backrohr mit einem Lufteinlass und einer Heizelementanordung
DE20309268U1 (de) * 2003-06-12 2004-06-09 Rational Ag Gargeräte mit Luftleitgliedern
EP1774225A1 (de) * 2004-06-14 2007-04-18 Seb S.A. Vorrichtung zum erhitzen eines umluftherdes
DE102007026218A1 (de) * 2007-06-05 2008-12-11 BSH Bosch und Siemens Hausgeräte GmbH Backofen
WO2008148675A2 (de) * 2007-06-05 2008-12-11 BSH Bosch und Siemens Hausgeräte GmbH Backofen
WO2008148675A3 (de) * 2007-06-05 2009-11-05 BSH Bosch und Siemens Hausgeräte GmbH Backofen
EP1970635A3 (de) * 2008-06-26 2009-02-18 V-Zug AG Heissluft-Backofen mit Umlenkblechen
EP2466217A1 (de) * 2010-12-15 2012-06-20 BSH Bosch und Siemens Hausgeräte GmbH Anordnung zum Anschluss von Haushaltsgerätekomponenten
WO2015165495A1 (en) * 2014-04-29 2015-11-05 Arcelik Anonim Sirketi Electric oven having an improved uniform heat distribution profile

Also Published As

Publication number Publication date
FR2623883B1 (fr) 1991-05-10
FR2623883A1 (fr) 1989-06-02
DE319373T1 (de) 1990-02-08
ES2011228A4 (es) 1990-01-01

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