EP1014002A2 - Range, particularly electric range - Google Patents

Range, particularly electric range Download PDF

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Publication number
EP1014002A2
EP1014002A2 EP99124670A EP99124670A EP1014002A2 EP 1014002 A2 EP1014002 A2 EP 1014002A2 EP 99124670 A EP99124670 A EP 99124670A EP 99124670 A EP99124670 A EP 99124670A EP 1014002 A2 EP1014002 A2 EP 1014002A2
Authority
EP
European Patent Office
Prior art keywords
air
oven muffle
catalyst
oven
extraction opening
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
EP99124670A
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German (de)
French (fr)
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EP1014002A3 (en
EP1014002B1 (en
Inventor
Eduard Anschütz
Emil Bastian
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1014002A2 publication Critical patent/EP1014002A2/en
Publication of EP1014002A3 publication Critical patent/EP1014002A3/en
Application granted granted Critical
Publication of EP1014002B1 publication Critical patent/EP1014002B1/en
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
    • F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning

Definitions

  • the invention relates to a stove, in particular an electric stove according to the preamble of Claim 1.
  • a stove of this type is known from DE-C-35 16 847. It contains an oven muffle with a vapor extraction opening formed in a muffle wall, into which a catalyst is inserted. Downstream of the catalytic converter, part of the Muffle airflow mixed with cooling air, which from a space between the Muffle and a device housing sucked in and via an exhaust air duct to the outside is promoted, while the other part of the muffle air stream cleaned by the catalyst is returned to the oven muffle via a return line.
  • the task is to be solved by the invention, an energy saving and a to achieve longer life of the catalyst material of the catalyst device.
  • this task is performed by the characteristic features of Claim 1 solved.
  • the invention relates to a stove, in particular an electric stove an oven muffle for cooking, baking and roasting; an air duct between the Oven muffle and an appliance housing; at least one fan for air circulation through the air duct and out into the outside atmosphere of the cooker; a Vapor exhaust opening, which contains a catalyst device, characterized in that that the flow path through the catalyst device is a catalyst heater and Has catalysis material, and that a return channel with one end to the Flow path at one between the catalyst heater and the catalyst material located point and with its other end connected to the oven muffle for returning part of the discharged from it through the vapor extraction opening Wrasens.
  • a catalyst device characterized in that that the flow path through the catalyst device is a catalyst heater and Has catalysis material, and that a return channel with one end to the Flow path at one between the catalyst heater and the catalyst material located point and with its other end connected to the oven muffle for returning part of the discharged from it through the vapor extraction opening Wrasens.
  • the invention results in an energy saving, since that of the oven muffle Air extracted from the vapor extraction opening (vapor) only through part of the Catalyst material or bypassing this only on the catalyst heater is passed and then without significant cooling in the oven muffle is returned. This also means that a large part of the air humidity, which is withdrawn from the oven muffle via the vapor extraction opening, back into it returned. This prevents the oven muffle from drying out excessively cooked, baked or fried food (food to be cooked).
  • the Return channel arranged a blower which conveys in the return direction.
  • the stove shown in the drawing in particular an electric stove, has one Device housing 1, a housing cooling fan 2, an opening 3 in a catalyst cover 4 for reducing the pressure in the cooking space of an oven muffle 14 for cooking, baking and Roast meat; a catalyst heater 5; an air gap 6 between the catalytic material 7 and the radiator of the catalyst heater 5; an air return duct in the form of a Suction pipe 9, which with one end to the air gap 6 between the Catalyst material 7 and the radiator of the catalyst heater 5 is connected and is connected at its other end to an inlet opening 16 of the baking muffle 14; a blower 10 at the inlet opening 16 for extracting air from the air gap 6 between the catalyst material 7 and the radiator of the catalyst heater 5 and Return of this air into the cooking space 12 of the oven muffle 14; and a Hot air blower 11 in the cooking space 12 in order to circulate air therein.
  • the fan 10 of the inlet opening 16 is through Fan wheel formed, which is fixed on the shaft of the hot air blower 11 rotatably.
  • the blower 10 is one of those Hot air blower 11 separate and independently controllable blower.
  • the cooling fan 2 sucks in the lower area of the cooker from the outside environment Cooling fresh air 20 in the space formed as a channel 18 between the oven muffle 14 and the appliance housing 1, so that this fresh air 20th below and behind and above the oven muffle 14 around this oven muffle 14 flows and in the upper range through at least one outlet 22 back into the open is blown.
  • the cooling fan 2 sucks through the opening 3 of the catalytic converter cover 4 also exhaust air from the catalytic material 7 of the catalytic device 24.
  • Electric heating elements 26 are shown schematically in the oven muffle 14.
  • the catalytic material 7 is or preferably contains ceramic.
  • the catalyst heater 5 contains at least one electric radiator.

Abstract

The cooker has an oven casing (14), an air channel (18) between the oven and housing (1), at least one fan (2) for air circulation through the channel and into the atmosphere and a catalyser (24) in a vapor extraction opening in a wall of the oven. An air feedback channel (9) has one end connected to an air gap (6) between the catalyser heater (5) and the catalysis material (7) and its other end connected to the oven casing to feed back part of the vapor fed out of the vapor extraction opening.

Description

Die Erfindung betrifft einen Herd, insbesondere Elektroherd gemäß dem Oberbegriff von Anspruch 1.The invention relates to a stove, in particular an electric stove according to the preamble of Claim 1.

Ein Herd dieser Art ist aus der DE-C-35 16 847 bekannt. Er enthält eine Backofenmuffel mit einer in einer Muffelwand gebildeten Wrasenabzugsöffnung, in welche ein Katalysator eingesetzt ist. Stromabwärts des Katalysators wird durch eine Gebläse ein Teil des Muffel-Luftstromes mit Kühlluft vermischt, welche aus einem Zwischenraum zwischen der Muffel und einem Gerätegehäuse angesaugt und über eine Abluftleitung ins Freie gefördert wird, während der andere Teil des durch den Katalysator gereinigten Muffel-Luftstromes über eine Rückführleitung wieder in die Backofenmuffel zurückgeführt wird.A stove of this type is known from DE-C-35 16 847. It contains an oven muffle with a vapor extraction opening formed in a muffle wall, into which a catalyst is inserted. Downstream of the catalytic converter, part of the Muffle airflow mixed with cooling air, which from a space between the Muffle and a device housing sucked in and via an exhaust air duct to the outside is promoted, while the other part of the muffle air stream cleaned by the catalyst is returned to the oven muffle via a return line.

Aus der DE-C-26 40 684 ist ein Elektroherd mit einer Backofenmuffel bekannt, die einen Gasauslaß aufweist, über welchen ein Gebläse Wrasen aus der Backofenmuffel ansaugt und über eine Katalysatorvorrichtung und ein diesem in Strömungsrichtung nachgeordnetes Heizelement in das Freie bläst. Ein anderes Gebläse saugt am Gasauslaß einen Teil des Wrasens über eine andere Katalysatorvorrichtung in einen Rückführkanal und von diesem zurück in die Backofenmuffel. Das Heizelement hat keinen Einfluß auf den Katalysator, sondern soll stromabwärts von diesem die Entstehung von weißem Dampf verhindern bzw. weißen Dampf auflösen.From DE-C-26 40 684 an electric stove with an oven muffle is known, one Has gas outlet through which a blower sucks vapors from the oven muffle and via a catalyst device and this in the flow direction downstream heating element blows into the open. Another fan sucks Gas outlet some of the fumes into another through another catalyst device Return channel and from this back into the oven muffle. The heating element has has no influence on the catalyst, but should occur downstream of it prevent white steam or dissolve white steam.

Durch die Erfingung soll die Aufgabe gelöst werden, eine Energieeinsparung und eine längere Lebensdauer des Katalysenmaterials der Katalysatorvorrichtung zu erzielen.The task is to be solved by the invention, an energy saving and a to achieve longer life of the catalyst material of the catalyst device.

Diese Aufgabe wird gemäß der Erfingung durch die kennzeichnenden Merkmale von Anspruch 1 gelöst.According to the invention, this task is performed by the characteristic features of Claim 1 solved.

Demgemäß betrifft die Erfindung einen Herd, insbesondere einen Elektroherd, enthaltend eine Backofenmuffel zum Garen, Backen und Braten; einen Luftkanal zwischen der Backofenmuffel und einem Gerätegehäuse; mindestens ein Gebläse zur Luftzirkulation durch den Luftkanal und aus diesem in die Außenatmosphäre des Herdes; eine Wrasenabzugsöffnung, die eine Katalysatorvorrichtung enthält, dadurch gekennzeichnet, daß der Strömungsweg durch die Katalysatorvorrichtung eine Katalysatorheizung und Katalysenmaterial aufweist, und daß ein Rückführkanal mit seinem einen Ende an den Strömungsweg an einer zwischen der Katalysatorheizung und dem Katalysenmaterial gelegenen Stelle und mit seinem anderen Ende an die Backofenmuffel angeschlossen ist zur Rückführung eines Teils des aus ihr durch die Wrasenabzugsöffnung abgeführten Wrasens.Accordingly, the invention relates to a stove, in particular an electric stove an oven muffle for cooking, baking and roasting; an air duct between the Oven muffle and an appliance housing; at least one fan for air circulation through the air duct and out into the outside atmosphere of the cooker; a Vapor exhaust opening, which contains a catalyst device, characterized in that that the flow path through the catalyst device is a catalyst heater and Has catalysis material, and that a return channel with one end to the Flow path at one between the catalyst heater and the catalyst material located point and with its other end connected to the oven muffle for returning part of the discharged from it through the vapor extraction opening Wrasens.

Durch die Erfindung ergibt sich eine Energieeinsparung, da die der Backofenmuffel durch die Wrasenabzugsöffnung entzogene Luft (Wrasen) nur durch einen Teil des Katalysenmaterials oder unter Umgehung von diesem nur an der Katalysatorheizung vorbeigeführt wird und dann ohne wesentliche Abkühlung in die Backofenmuffel zurückgeführt wird. Damit wird gleichzeitig auch ein großer Teil der Luftfeuchtigkeit, welche der Backofenmuffel über die Wrasenabzugsöffnung entzogen wird, wieder in sie zurückgeführt. Dies verhindert ein übermäßiges Austrocknen der in der Backofenmuffel gegarten, gebackenen oder gebratenen Speise (Gargut).The invention results in an energy saving, since that of the oven muffle Air extracted from the vapor extraction opening (vapor) only through part of the Catalyst material or bypassing this only on the catalyst heater is passed and then without significant cooling in the oven muffle is returned. This also means that a large part of the air humidity, which is withdrawn from the oven muffle via the vapor extraction opening, back into it returned. This prevents the oven muffle from drying out excessively cooked, baked or fried food (food to be cooked).

Gemäß einer bevorzugten Ausführungsform der Erfindung ist im Strömungsweg des Rückführkanals ein Gebläse angeordnet, welches in Rückführrichtung fördert. Dadurch kann unabhängig von dem Luftstrom, welcher zwischen der Backofenmuffel und dem Gerätegehäuse zur Kühlung dient, die Luftrückführung oder Wrasenrückführung in die Backofenmuffel optimiert werden.According to a preferred embodiment of the invention, the Return channel arranged a blower which conveys in the return direction. Thereby can be independent of the airflow between the oven muffle and the Device housing is used for cooling, the air recirculation or vapor recirculation in the Oven muffle can be optimized.

Die Erfindung wird im folgenden mit Bezug auf die Zeichnungen anhand einer bevorzugten Ausführungsform als Beispiel beschrieben. Es zeigen:

Fig. 1
schematisch einen horizontalen Längsschnitt durch einen Herd, insbesondere Elektroherd nach der Erfindung
The invention is described below with reference to the drawings using a preferred embodiment as an example. Show it:
Fig. 1
schematically shows a horizontal longitudinal section through a stove, in particular an electric stove according to the invention

Der in der Zeichnung dargestellte Herd, insbesondere ein Elektroherd, hat ein Gerätegehäuse 1, ein Gehäusekühlgebläse 2, eine Öffnung 3 in einem Katalysatordeckel 4 für den Druckabbau im Garraum einer Backofenmuffel 14 zum Garen, Backen und Braten; eine Katalysatorheizung 5; einen Luftspalt 6 zwischen dem Katalysenmaterial 7 und dem Heizkörper der Katalysatorheizung 5; einen Luft-Rückführkanal in Form eines Absaugrohres 9, welches mit seinem einen Ende an den Luftspalt 6 zwischen dem Katalysenmaterial 7 und dem Heizkörper der Katalysatorheizung 5 angeschlossen ist und mit seinem anderen Ende an eine Einlaßöffnung 16 der Backmuffel 14 angeschlossen ist; ein Gebläse 10 an der Einlaßöffnung 16 zum Absaugen von Luft aus dem Luftspalt 6 zwischen dem Katalysenmaterial 7 und dem Heizkörper der Katalysatorheizung 5 und zur Rückführung dieser Luft in den Garraum 12 der Backofenmuffel 14; und ein Heißluftgebläse 11 im Garraum 12, um darin Luft umzuwälzen.The stove shown in the drawing, in particular an electric stove, has one Device housing 1, a housing cooling fan 2, an opening 3 in a catalyst cover 4 for reducing the pressure in the cooking space of an oven muffle 14 for cooking, baking and Roast meat; a catalyst heater 5; an air gap 6 between the catalytic material 7 and the radiator of the catalyst heater 5; an air return duct in the form of a Suction pipe 9, which with one end to the air gap 6 between the Catalyst material 7 and the radiator of the catalyst heater 5 is connected and is connected at its other end to an inlet opening 16 of the baking muffle 14; a blower 10 at the inlet opening 16 for extracting air from the air gap 6 between the catalyst material 7 and the radiator of the catalyst heater 5 and Return of this air into the cooking space 12 of the oven muffle 14; and a Hot air blower 11 in the cooking space 12 in order to circulate air therein.

Bei der dargestellten Ausführungsform ist das Gebläse 10 der Einlaßöffnung 16 durch ein Lüfterrad gebildet, welches auf der Welle des Heißluftgebläses 11 drehfest befestigt ist. Gemäß einer anderen Ausführungsform ist jedoch das Gebläse 10 ein von dem Heißluftgebläse 11 getrenntes und unabhängig davon ansteuerbares Gebläse.In the illustrated embodiment, the fan 10 of the inlet opening 16 is through Fan wheel formed, which is fixed on the shaft of the hot air blower 11 rotatably. According to another embodiment, however, the blower 10 is one of those Hot air blower 11 separate and independently controllable blower.

Das Kühlgebläse 2 saugt im unteren Bereich des Herdes aus der Außenumgebung zur Kühlung dienende Frischluft 20 in den als Kanal 18 ausgebildeten Zwischenraum zwischen der Backofenmuffel 14 und dem Gerätegehäuse 1, so daß diese Frischluft 20 unten und hinten sowie über der Backofenmuffel 14 um diese Backofenmuffel 14 herum strömt und im oberen Herdbereich durch mindestens einen Auslaß 22 wieder in das Freie geblasen wird. Das Kühlgebläse 2 saugt über die Öffnung 3 des Katatysatordeckels 4 auch Abluft des Katalysenmaterials 7 der Katalysatorvorrichtung 24 an.The cooling fan 2 sucks in the lower area of the cooker from the outside environment Cooling fresh air 20 in the space formed as a channel 18 between the oven muffle 14 and the appliance housing 1, so that this fresh air 20th below and behind and above the oven muffle 14 around this oven muffle 14 flows and in the upper range through at least one outlet 22 back into the open is blown. The cooling fan 2 sucks through the opening 3 of the catalytic converter cover 4 also exhaust air from the catalytic material 7 of the catalytic device 24.

In der Backofenmuffel 14 sind schematisch elektrische Heizkörper 26 dargestellt.Electric heating elements 26 are shown schematically in the oven muffle 14.

Das Katalysenmaterial 7 ist oder enthält vorzugsweise Keramik. Die Katalysatorheizung 5 enthält mindestens einen elektrischen Heizkörper.The catalytic material 7 is or preferably contains ceramic. The catalyst heater 5 contains at least one electric radiator.

Claims (2)

Herd, insbesondere Elektroherd, enthaltend eine Backofenmuffel (14) zum Garen, Backen und Braten; einen Luftkanal (18) zwischen der Backofenmuffel (14) und einem Gerätegehäuse (1); mindestens ein Gebläse (2) zur Luftzirkulation durch den Luftkanal (18) und aus diesem in die Außenatmosphäre des Herdes; eine Wrasenabzugsöffnung (15) in einer Wand der Backofenmuffel (14); eine Katalysatorvorrichtung (24) in der Wrasenabzugsöffnung (15), dadurch gekennzeichnet, daß ein Luft-Rückführkanal (9) mit seinem einen Ende an einen Luftspalt (6), der zwischen einer Katalysatorheizung (5) und dem Katalysenmaterial (7) der Katalysatorvorrichtung (24) gebildet ist, und mit seinem anderen Ende an die Backofenmuffel (14) angeschlossen ist zur Rückführung eines Teils des aus ihr durch die Wrasenabzugsöffnung (15) abgeführten Wrasens.Stove, in particular an electric stove, containing an oven muffle (14) for cooking, baking and roasting; an air duct (18) between the oven muffle (14) and an appliance housing (1); at least one blower (2) for air circulation through the air duct (18) and out of this into the outside atmosphere of the cooker; a vapor extraction opening (15) in a wall of the oven muffle (14); a catalyst device (24) in the vapor extraction opening (15), characterized in that an air return duct (9) has one end at an air gap (6) which is between a catalyst heater (5) and the catalyst material (7) of the catalyst device ( 24) is formed, and its other end is connected to the oven muffle (14) for returning part of the vapors discharged from it through the vapor extraction opening (15). Herd nach Anspruch 1, dadurch gekennzeichnet, daß im Strömungsweg des Luft-Rückführkanals (9) ein Gebläse (10) angeordnet ist, welches in Rückführrichtung fördert.Cooker according to claim 1, characterized in that a blower (10) is arranged in the flow path of the air return duct (9), which feeds in the return direction.
EP99124670A 1998-12-22 1999-12-10 Range, particularly electric range Expired - Lifetime EP1014002B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19859569A DE19859569A1 (en) 1998-12-22 1998-12-22 Stove, especially an electric stove
DE19859569 1998-12-22

Publications (3)

Publication Number Publication Date
EP1014002A2 true EP1014002A2 (en) 2000-06-28
EP1014002A3 EP1014002A3 (en) 2001-10-24
EP1014002B1 EP1014002B1 (en) 2004-03-24

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EP99124670A Expired - Lifetime EP1014002B1 (en) 1998-12-22 1999-12-10 Range, particularly electric range

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EP (1) EP1014002B1 (en)
AT (1) ATE262660T1 (en)
DE (2) DE19859569A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005045276A1 (en) * 2005-09-22 2007-04-05 Electrolux Home Products Corporation N.V. Oven, especially kitchen-oven or cooking-oven
EP3872405A3 (en) * 2020-02-25 2021-12-01 Bruckbauer, Wilhelm Device for heating food for cooking

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004003115A1 (en) * 2004-01-21 2005-08-11 BSH Bosch und Siemens Hausgeräte GmbH Fan oven has catalytic coating on one or more surfaces inside oven chamber and/or air supply duct to reduce smell and grease in circulating air
DE102012216407A1 (en) * 2012-09-14 2014-05-28 E.G.O. Elektro-Gerätebau GmbH Cleaning device for an oven and oven

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2615604A1 (en) * 1976-04-09 1977-10-20 Bosch Siemens Hausgeraete Pyrolytic cleaning system for domestic cooker - has hot gas discharge channel underneath cooling air circulation channel under top
DE2705395A1 (en) * 1977-02-09 1978-08-10 Bosch Siemens Hausgeraete Oven hot gas recirculation system - has hot gas collector channels connected to fan unit and return channels to cooking compartment
DE3516847A1 (en) * 1985-05-10 1986-11-13 Miele & Cie GmbH & Co, 4830 Gütersloh Electric cooker with catalyser
DE19706186A1 (en) * 1997-02-17 1998-08-20 Miele & Cie Pyrolytic cleaning operation control method for cooking esp. roasting oven

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640684C2 (en) * 1975-09-11 1981-11-26 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Roasting or cooking oven

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2615604A1 (en) * 1976-04-09 1977-10-20 Bosch Siemens Hausgeraete Pyrolytic cleaning system for domestic cooker - has hot gas discharge channel underneath cooling air circulation channel under top
DE2705395A1 (en) * 1977-02-09 1978-08-10 Bosch Siemens Hausgeraete Oven hot gas recirculation system - has hot gas collector channels connected to fan unit and return channels to cooking compartment
DE3516847A1 (en) * 1985-05-10 1986-11-13 Miele & Cie GmbH & Co, 4830 Gütersloh Electric cooker with catalyser
DE19706186A1 (en) * 1997-02-17 1998-08-20 Miele & Cie Pyrolytic cleaning operation control method for cooking esp. roasting oven

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005045276A1 (en) * 2005-09-22 2007-04-05 Electrolux Home Products Corporation N.V. Oven, especially kitchen-oven or cooking-oven
EP3872405A3 (en) * 2020-02-25 2021-12-01 Bruckbauer, Wilhelm Device for heating food for cooking

Also Published As

Publication number Publication date
DE59908946D1 (en) 2004-04-29
EP1014002A3 (en) 2001-10-24
ATE262660T1 (en) 2004-04-15
DE19859569A1 (en) 2000-06-29
EP1014002B1 (en) 2004-03-24

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