EP0532393A1 - Cooling device for cooking oven door - Google Patents
Cooling device for cooking oven door Download PDFInfo
- Publication number
- EP0532393A1 EP0532393A1 EP92402417A EP92402417A EP0532393A1 EP 0532393 A1 EP0532393 A1 EP 0532393A1 EP 92402417 A EP92402417 A EP 92402417A EP 92402417 A EP92402417 A EP 92402417A EP 0532393 A1 EP0532393 A1 EP 0532393A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- deflector
- cooking appliance
- cooling
- cooking
- 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- Withdrawn
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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
- F24C15/02—Doors specially adapted for stoves or ranges
- F24C15/024—Handles
-
- 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 present invention relates to a device for cooling the door of a cooking appliance, more particularly to a household appliance cooking appliance of the oven, built-in oven, stove or similar type.
- a household cooking oven generally comprises a cooking enclosure or muffle, intended to receive the dishes to be cooked, this cooking enclosure being closed by a door allowing access to the interior of said enclosure.
- This door must be constructed in such a way as to avoid loss of calories during cooking and, consequently, excessively large increases in temperature by conduction in the immediate external environment of this door during cooking, these may cause burns.
- the cooking temperatures vary from 30 ° C to 300 ° C and the temperature inside the enclosure can rise to around 500 ° C during the oven cleaning phase in the case for example of 'a pyrolysis oven.
- the oven doors are provided with insulation or ventilation systems which, to be effective, are bulky and expensive.
- some baking ovens have a chassis cooling system which avoids heating the immediate environment of the oven, that is to say the built-in cabinet.
- This system consists of a centrifugal group which expels air from the chassis through linear openings located between the lower part of the control panel and the upper part of the door.
- the object of the present invention is to cool the external face of the door by using the air from the chassis expelled by the centrifugal group.
- the subject of the present invention is a device for cooling the door of an appliance. cooking comprising a cooling system consisting of at least one centrifugal group and an air extraction channel opening out substantially at the door, characterized in that it is constituted by a deflector shaped so as to reduce the air expelled on the external face of the door, said deflector being positioned at the outlet of the extraction channel.
- the use of a deflector reducing the expelled air on the door of the cooking appliance has many advantages compared to the state of the prior art.
- the extracted air is brought down on the external face of the door, this avoids the user of the oven from receiving this air at the level of the face.
- the shape of the deflector hides the user inside the extraction channel, this to the benefit of the aesthetics of the whole.
- the oven is lit at the level of the ceiling of the cavity, it is not uncommon to see rays of light in the extraction channel.
- the shape of the deflector according to the invention avoids this drawback.
- FIG 1 there is shown schematically a cooking appliance provided with a known type of chassis cooling system.
- a spacing 2 called the extraction channel is produced between the ceiling of the cooking chamber or muffle 3 and the control panel 4 of said oven as shown in FIG. 1.
- This extraction channel 2 opens out at- above the door 5 of the enclosure 3 provided with a handle 6.
- a deflector 8 which distances the air flow represented by the arrows F from the control panel 4.
- a centrifugal group 9 located at bottom in the extraction channel 2 relative to the opening 7 expels the air heated by conduction through the ceiling 10 of the enclosure 3, the extraction channel 2. This air opens into the opening 7 and is expelled out of the cooking appliance horizontally according to the arrows F in FIG. 1 following the path given by the deflector 8.
- FIG. 2 shows a cooking appliance provided with a device for cooling the door according to the invention.
- the air heated by conduction through one of the walls of the enclosure 3 (here the ceiling 10) is expelled through the extraction channel 2 by a centrifugal group 9.
- the extraction channel 2 opens out between the top of the door 5 of the enclosure 3 provided with a handle 6 and the bottom of the control panel 4.
- a deflector 11 is arranged consisting of a bent plate of length at least equal to the width of said opening 7 and fixed under the control panel 4.
- This plate can be made of metal or a plastic material withstanding high temperatures.
- the extraction channel 2 is of a shape such that it directs the air flow so that it arrives under the deflector.
- the total flow of air expelled from the extraction channel 2 is directed, according to the arrows F ′ in FIG. 2 on the external face of the door 5, which makes it possible to lower the temperature of its external face.
- FIG. 3 represents an alternative embodiment of the invention previously described.
- the deflector 12 is fixed to the upper edge of the door 5 by a device allowing the air flow to pass according to the arrows F ⁇ in FIG. 3.
- the extraction channel 2 has a shape such that it directs the flow d air expelled by the centrifugal group 9 under the deflector 12.
- FIG 4 there is shown a third embodiment of the invention.
- the deflector 13 directs the air flow extracted from the extraction channel 2 by the centrifugal group 9 according to the invention and, on the other hand, constitutes the opening handle of the door 5.
- This deflector 13 is flat, of angled shape. and of width at least equal to the width of the opening 7 through which the air is expelled from the extraction channel 2.
- the latter has a shape such that the total air flow is oriented according to the arrows F ⁇ ⁇ of Figure 4 on the outer face of the door.
- the deflector 13 is secured to the upper edge of the door so that the user of the oven can pass his fingers through the space between the lower part of the deflector 13 and the external face of the door 5.
- the deflectors according to the invention in these different embodiments are made of any material used in the field of cooking appliances such as plastic or painted metal.
- the air used is that expelled by an extraction channel located on the ceiling of the enclosure, but this extraction channel can be located on one or more of the outer walls of the enclosure while remaining within the scope of the invention.
- This device adapts to all heated enclosures with a door used in all kinds of industries.
Abstract
Description
La présente invention concerne un dispositif de refroidissement de la porte d'un appareil de cuisson, plus particulièrement d'un appareil de cuisson électroménager de type four, four encastrable, cuisinière ou similaire.The present invention relates to a device for cooling the door of a cooking appliance, more particularly to a household appliance cooking appliance of the oven, built-in oven, stove or similar type.
Un four de cuisson ménager comporte en général une enceinte de cuisson ou moufle, destinée à recevoir les mets à cuire, cette enceinte de cuisson étant fermée par une porte permettant l'accès à l'intérieur de ladite enceinte. Cette porte doit être construite de manière à éviter la déperdition de calories pendant la cuisson et en conséquence, les augmentations trop fortes de température par conduction dans l'environnement extérieur immédiat de cette porte pendant la cuisson, celles-ci pouvant occasionner des brûlures. En effet, les températures des cuissons varient de 30°C à 300°C et la température à l'intérieur de l'enceinte peut monter jusqu'aux environs de 500°C pendant la phase de nettoyage du four dans le cas par exemple d'un four à pyrolyse.A household cooking oven generally comprises a cooking enclosure or muffle, intended to receive the dishes to be cooked, this cooking enclosure being closed by a door allowing access to the interior of said enclosure. This door must be constructed in such a way as to avoid loss of calories during cooking and, consequently, excessively large increases in temperature by conduction in the immediate external environment of this door during cooking, these may cause burns. In fact, the cooking temperatures vary from 30 ° C to 300 ° C and the temperature inside the enclosure can rise to around 500 ° C during the oven cleaning phase in the case for example of 'a pyrolysis oven.
Pour pallier à ces risques de brûlures, les portes du four sont munies de systèmes d'isolation ou de ventilation qui, pour être efficaces, sont encombrants et coûteux.To overcome these risks of burns, the oven doors are provided with insulation or ventilation systems which, to be effective, are bulky and expensive.
D'autre part, certains fours de cuisson possèdent un système de refroidissement du châssis qui évite de chauffer l'environnement immédiat du four, c'est-à-dire le meuble d'encastrement. Ce système est constitué d'un groupe centrifuge qui expulse l'air du châssis par des ouvertures linéaires situées entre la partie inférieure du bandeau de commande et la partie supérieure de la porte.On the other hand, some baking ovens have a chassis cooling system which avoids heating the immediate environment of the oven, that is to say the built-in cabinet. This system consists of a centrifugal group which expels air from the chassis through linear openings located between the lower part of the control panel and the upper part of the door.
La présente invention a pour but de refroidir la face externe de la porte en se servant de l'air du châssis expulsé par le groupe centrifuge.The object of the present invention is to cool the external face of the door by using the air from the chassis expelled by the centrifugal group.
En conséquence, la présente invention a pour objet un dispositif de refroidissement de la porte d'un appareil de cuisson comprenant un système de refroidissement constitué par au moins un groupe centrifuge et un canal d'extraction de l'air débouchant sensiblement au niveau de la porte, caractérisé en ce qu'il est constitué par un déflecteur conformé de manière à rabattre l'air expulsé sur la face externe de la porte, ledit déflecteur étant positionné en sortie du canal d'extraction.Consequently, the subject of the present invention is a device for cooling the door of an appliance. cooking comprising a cooling system consisting of at least one centrifugal group and an air extraction channel opening out substantially at the door, characterized in that it is constituted by a deflector shaped so as to reduce the air expelled on the external face of the door, said deflector being positioned at the outlet of the extraction channel.
L'utilisation d'un déflecteur rabattant l'air expulsé sur la porte de l'appareil de cuisson présente de nombreux avantages par rapport à l'état de la technique antérieur. Ainsi, par exemple, l'air extrait est rabattu sur la face externe de la porte, ceci évite à l'utilisateur du four de recevoir cet air au niveau du visage.The use of a deflector reducing the expelled air on the door of the cooking appliance has many advantages compared to the state of the prior art. Thus, for example, the extracted air is brought down on the external face of the door, this avoids the user of the oven from receiving this air at the level of the face.
D'autre part, la forme du déflecteur cache à l'utilisateur l'intérieur du canal d'extraction, ceci au bénéfice de l'esthétique de l'ensemble. De plus, lorsque l'éclairage du four est réalisé au niveau du plafond de la cavité, il n'est pas rare de voir des rayons de lumière dans le canal d'extraction. La forme du déflecteur selon l'invention évite cet inconvénient.On the other hand, the shape of the deflector hides the user inside the extraction channel, this to the benefit of the aesthetics of the whole. In addition, when the oven is lit at the level of the ceiling of the cavity, it is not uncommon to see rays of light in the extraction channel. The shape of the deflector according to the invention avoids this drawback.
D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description de plusieurs modes de réalisation, faite ci-après avec référence aux dessins ci-annexés dans lesquels :
- la figure 1 est une vue schématique en coupe d'une porte et d'un bandeau de commande pour four de cuisson muni d'un groupe centrifuge selon l'art antérieur ;
- la figure 2 est une vue schématique en coupe selon un premier mode de réalisation de l'invention ;
- la figure 3 est une vue schématique en coupe selon un second mode de réalisation de l'invention, et
- la figure 4 est une vue schématique en coupe selon un troisième mode de réalisation de l'invention.
- Figure 1 is a schematic sectional view of a door and a control panel for a cooking oven provided with a centrifugal group according to the prior art;
- Figure 2 is a schematic sectional view according to a first embodiment of the invention;
- FIG. 3 is a schematic sectional view according to a second embodiment of the invention, and
- Figure 4 is a schematic sectional view according to a third embodiment of the invention.
Pour simplifier la description dans les figures, les mêmes éléments portent les mêmes références.To simplify the description in the figures, the same elements have the same references.
Sur la figure 1, on a représenté schématiquement un appareil de cuisson muni d'un système de refroidissement du châssis de type connu.In Figure 1, there is shown schematically a cooking appliance provided with a known type of chassis cooling system.
Dans ce cas, un espacement 2 appelé canal d'extraction est réalisé entre le plafond de l'enceinte de cuisson ou moufle 3 et le bandeau de commande 4 dudit four comme représenté sur la figure 1. Ce canal d'extraction 2 débouche au-dessus de la porte 5 de l'enceinte 3 munie d'une poignée 6. Dans cette ouverture 7 est monté un déflecteur 8 qui éloigne le flux d'air représenté par les flèches F du bandeau de commande 4. Un groupe centrifuge 9 situé au fond dans le canal d'extraction 2 par rapport à l'ouverture 7 chasse l'air chauffé par conduction au travers du plafond 10 de l'enceinte 3, du canal d'extraction 2. Cet air débouche dans l'ouverture 7 et est expulsé hors de l'appareil de cuisson horizontalement suivant les flèches F de la figure 1 en suivant le trajet donné par le déflecteur 8.In this case, a
Sur la figure 2, on a représenté un appareil de cuisson muni d'un dispositif de refroidissement de la porte selon l'invention. De la même manière que dans l'art antérieur, décrit ci-dessus, l'air chauffé par conduction au travers d'une des parois de l'enceinte 3 (ici le plafond 10) est chassé au travers du canal d'extraction 2 par un groupe centrifuge 9. Le canal d'extraction 2 débouche entre le haut de la porte 5 de l'enceinte 3 munie d'une poignée 6 et le bas du bandeau de commande 4. Dans cette ouverture 7, est disposé un déflecteur 11 constitué par une plaque coudée de longueur au moins égale à la largeur de ladite ouverture 7 et fixée sous le bandeau de commande 4. Cette plaque peut être réalisée en métal ou en une matière plastique supportant des températures élevées. Le canal d'extraction 2 est d'une forme telle qu'il dirige le flux d'air de manière à ce que celui-ci arrive sous le déflecteur. Ainsi, le flux total d'air expulsé du canal d'extraction 2 est dirigé, suivant les flèches F′ de la figure 2 sur la face externe de la porte 5, ce qui permet d'abaisser la température de sa face externe.FIG. 2 shows a cooking appliance provided with a device for cooling the door according to the invention. In the same way as in the prior art, described above, the air heated by conduction through one of the walls of the enclosure 3 (here the ceiling 10) is expelled through the
La figure 3 représente une variante de réalisation de l'invention précédemment décrite. Le déflecteur 12 est fixé sur le bord supérieur de la porte 5 par un dispositif laissant passer le flux d'air suivant les flèches F˝ de la figure 3. Le canal d'extraction 2 a une forme telle qu'il dirige le flux d'air expulsé par le groupe centrifuge 9 sous le déflecteur 12.FIG. 3 represents an alternative embodiment of the invention previously described. The
Sur la figure 4, on a représenté un troisième mode de réalisation de l'invention. Le déflecteur 13 oriente le flux d'air extrait du canal d'extraction 2 par le groupe centrifuge 9 selon l'invention et constitue d'autre part la poignée d'ouverture de la porte 5. Ce déflecteur 13 est plat, de forme coudée et de largeur au moins égale à la largeur de l'ouverture 7 par laquelle l'air est expulsé du canal d'extraction 2. Ce dernier a une forme telle que le flux d'air total est orienté suivant les flèches F˝˝ de la figure 4 sur la face externe de la porte. Le déflecteur 13 est solidaire du bord supérieur de la porte de manière à ce que l'utilisateur du four puisse passer ses doigts dans l'espacement entre la partie inférieure du déflecteur 13 et la face externe de la porte 5.In Figure 4, there is shown a third embodiment of the invention. The
Les déflecteurs selon l'invention dans ces différents modes de réalisation sont constitués d'un matériau quelconque utilisé dans le domaine des appareils de cuisson comme par exemple du plastique ou du métal peint.The deflectors according to the invention in these different embodiments are made of any material used in the field of cooking appliances such as plastic or painted metal.
Dans les modes de réalisation de l'invention décrits ci-dessus, l'air utilisé est celui expulsé par un canal d'extraction situé sur le plafond de l'enceinte, mais ce canal d'extraction peut être situé sur une ou plusieurs des parois extérieures de l'enceinte tout en restant dans le cadre de l'invention.In the embodiments of the invention described above, the air used is that expelled by an extraction channel located on the ceiling of the enclosure, but this extraction channel can be located on one or more of the outer walls of the enclosure while remaining within the scope of the invention.
Ce dispositif s'adapte à toutes enceintes chauffantes munies d'une porte utilisée dans tous genres d'industries.This device adapts to all heated enclosures with a door used in all kinds of industries.
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9111047A FR2681127A1 (en) | 1991-09-06 | 1991-09-06 | DEVICE FOR COOLING THE DOOR OF A COOKING APPARATUS. |
FR9111047 | 1991-09-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0532393A1 true EP0532393A1 (en) | 1993-03-17 |
Family
ID=9416712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92402417A Withdrawn EP0532393A1 (en) | 1991-09-06 | 1992-09-04 | Cooling device for cooking oven door |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0532393A1 (en) |
FR (1) | FR2681127A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9416398U1 (en) * | 1994-10-12 | 1994-12-01 | Seppelfricke Geb Gmbh | Oven or baking box with one door |
FR2906875A1 (en) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Domestic electric cooking oven, has cooling channel with end connected to part of blowing zone of ventilating duct emerging from front face of oven for passage of air flow, and housing containing oven control unit |
WO2009091679A2 (en) * | 2008-01-15 | 2009-07-23 | Premark Feg L.L.C. | Self-cleaning rotisserie oven including oven door with labyrinth seal |
EP2108892A1 (en) * | 2008-04-10 | 2009-10-14 | Whirpool Corporation | Built-in oven |
US8151697B2 (en) | 2008-01-15 | 2012-04-10 | Premark Feg L.L.C. | Self-cleaning rotisserie oven with fan shaft seal arrangement |
US8375848B2 (en) | 2008-01-15 | 2013-02-19 | Premark Feg L.L.C. | Self-cleaning rotisserie oven |
ITMI20120549A1 (en) * | 2012-04-04 | 2013-10-05 | Smeg Spa | FORCED VENTILATION SYSTEM OF A DOMESTIC OVEN AND DOMESTIC OVEN INCLUDING SUCH FORCED VENTILATION SYSTEM |
US8752538B2 (en) | 2008-01-15 | 2014-06-17 | Premark Feg L.L.C. | Rotisserie oven with lifting wash arm |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0118383A2 (en) * | 1983-02-04 | 1984-09-12 | DE DIETRICH & Cie, Société Anonyme dite | Connecting part for temperature reduction in the area of the switch panel of cookers |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5944529A (en) * | 1982-09-07 | 1984-03-13 | Matsushita Electric Ind Co Ltd | Heating cooker |
-
1991
- 1991-09-06 FR FR9111047A patent/FR2681127A1/en active Pending
-
1992
- 1992-09-04 EP EP92402417A patent/EP0532393A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0118383A2 (en) * | 1983-02-04 | 1984-09-12 | DE DIETRICH & Cie, Société Anonyme dite | Connecting part for temperature reduction in the area of the switch panel of cookers |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 8, no. 148 (M-308)(1585) 11 Juillet 1984 & JP-A-59 044 529 ( MATSUSHITA ) 13 Mars 1984 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9416398U1 (en) * | 1994-10-12 | 1994-12-01 | Seppelfricke Geb Gmbh | Oven or baking box with one door |
FR2906875A1 (en) * | 2006-10-05 | 2008-04-11 | Brandt Ind Sas | Domestic electric cooking oven, has cooling channel with end connected to part of blowing zone of ventilating duct emerging from front face of oven for passage of air flow, and housing containing oven control unit |
WO2009091679A2 (en) * | 2008-01-15 | 2009-07-23 | Premark Feg L.L.C. | Self-cleaning rotisserie oven including oven door with labyrinth seal |
WO2009091679A3 (en) * | 2008-01-15 | 2010-08-19 | Premark Feg L.L.C. | Self-cleaning rotisserie oven including oven door with labyrinth seal |
GB2468826A (en) * | 2008-01-15 | 2010-09-22 | Premark Feg Llc | Self-cleaning rotisserie oven including oven door with labyrinth seal |
US8151697B2 (en) | 2008-01-15 | 2012-04-10 | Premark Feg L.L.C. | Self-cleaning rotisserie oven with fan shaft seal arrangement |
US8375848B2 (en) | 2008-01-15 | 2013-02-19 | Premark Feg L.L.C. | Self-cleaning rotisserie oven |
US8752538B2 (en) | 2008-01-15 | 2014-06-17 | Premark Feg L.L.C. | Rotisserie oven with lifting wash arm |
EP2108892A1 (en) * | 2008-04-10 | 2009-10-14 | Whirpool Corporation | Built-in oven |
US8490616B2 (en) | 2008-04-10 | 2013-07-23 | Whirlpool Corporation | Built-in oven |
ITMI20120549A1 (en) * | 2012-04-04 | 2013-10-05 | Smeg Spa | FORCED VENTILATION SYSTEM OF A DOMESTIC OVEN AND DOMESTIC OVEN INCLUDING SUCH FORCED VENTILATION SYSTEM |
Also Published As
Publication number | Publication date |
---|---|
FR2681127A1 (en) | 1993-03-12 |
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