EP1298394A1 - Domestic oven - Google Patents

Domestic oven Download PDF

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Publication number
EP1298394A1
EP1298394A1 EP02356184A EP02356184A EP1298394A1 EP 1298394 A1 EP1298394 A1 EP 1298394A1 EP 02356184 A EP02356184 A EP 02356184A EP 02356184 A EP02356184 A EP 02356184A EP 1298394 A1 EP1298394 A1 EP 1298394A1
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EP
European Patent Office
Prior art keywords
duct
door
oven according
household oven
grid
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.)
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Application number
EP02356184A
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German (de)
French (fr)
Inventor
Joel Legoubin
Gérard Molveaux
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SEB SA
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SEB SA
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Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP1298394A1 publication Critical patent/EP1298394A1/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2007Removing cooking fumes from oven cavities
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/02Doors specially adapted for stoves or ranges

Definitions

  • the present invention relates to a household oven comprising a housing substantially parallelepiped inside which is arranged an enclosure cooking which is delimited by a hearth, vertical walls, a vault, and whose opening is framed by a facade and closed by a door, said enclosure comprising a smoke evacuation duct.
  • Certain household ovens in particular mini-oven type ovens electric can operate in grill mode, do not have a door that closes tightly.
  • the door of which can be formed by a single window, free spaces are provided between the door and its framing, especially in the upper and lower part of the door. These free spaces allow, in addition to the evacuation of the fumes produced by the cooking, to cool the door thanks to the air circulation around it. So the door structure can be simplified to obtain manufacturing cost very low.
  • the spaces free ones provide a certain ventilation of the food which is necessary for obtain a satisfactory quality of roasting and to limit the elevation of temperature which is important due to the use of powerful heating means mounted on the roof.
  • the invention aims to remedy these drawbacks without altering the aesthetics of the front of the oven and while retaining a manufacturing cost not high.
  • a further object of the invention is to limit the fatty deposits in the environment of the oven which are due to the fatty vapors contained in the cooking fumes.
  • the inlet of the smoke exhaust duct is arranged in the vault of the enclosure near the door, while the outlet of the duct opens onto an upper face of the oven housing.
  • the duct collects the fumes before their exit through the door, even if there is a relatively large space between the top of the door and its frame.
  • the front of the oven framing the door is not in contact with the cooking fumes and the door, which is not necessarily waterproof, can be done in a simple way and little expensive.
  • the smoke evacuation duct extends vertically from the vault on the upper face of the case and has a cross section substantially constant, the outlet of the duct being covered with a grid provided of calibrated holes.
  • the smoke evacuation pipe comprises means for filtering.
  • These filtering means retain part of the fatty vapors contained in cooking fumes and therefore limit the greasy dirt which can be deposited on walls and furniture located near the oven if it is not in a room that is properly ventilated when its use.
  • FIG. 1 there is shown a household oven comprising a housing 1 substantially parallelepiped inside which is arranged an enclosure cooking 2 which is delimited by a hearth 3, vertical walls 4, a vault 5, and whose opening is framed by a facade and closed by a door 6, said enclosure comprising a duct 7 for evacuating smoke.
  • the door 6, shown in the open position in Figure 1, comprises a window 8 framed by two uprights 9 articulated on the housing 1 of the oven and on which is fixed a handle 10.
  • the dimensions of the window 8 are chosen so as to leave a free space between the upper edges 12 and lower 13 of the window and the door frame when the door is closed, to allow, among other things, some ventilation of the cooking chamber when the oven is operating in grill mode.
  • the door thus produced makes it possible to obtain a very low manufacturing cost.
  • the furnace heating means include a hearth resistance 15, plus a vault resistance 16 in order to cook in grill mode.
  • the front 17 of the oven framing the door has buttons (18,19) for control the operation of the oven.
  • the input 20 of the duct 7 for evacuating smoke is arranged in the vault 5 of the enclosure at near door 6, while outlet 21 of the conduit leads to a upper face 22 of the housing 1 of the oven.
  • the duct 7 creates an air circulation and collects the fumes before they can leave through the free space located between the upper edge 12 of the door 6 and its frame.
  • the part upper 23 of the front 17 of the oven is therefore not in contact with the cooking fumes which avoids fatty deposits on this facade.
  • the upper part 23 of the facade is considerably less subject to the high temperatures of cooking fumes, which advantageously allows the facade 17 to be made of plastic. So, the facade, even if it has complex shapes, can be realized easily and inexpensively by injecting plastic material into a mold.
  • a heat-resistant plastic can be used, such as a thermosetting material loaded with glass fibers, commonly known as BMC. But it is quite possible to use a more common plastic such as polypropylene.
  • the inlet 20 of the smoke evacuation duct 7 preferably extends parallel to the upper edge of the door 6 over the entire width of the door in order to guarantee that there is no smoke outlet through the upper edge 12 of the door.
  • the smoke evacuation duct 7 extends vertically from the roof 5 to the upper face 22 of the housing 1 and has a substantially constant cross section, the outlet 21 of the duct being covered with a grid 24 provided with 25 calibrated holes.
  • the duct ensures good smoke draft without requiring additional means such as a fan.
  • Two stamped sheets can be used forming two half-shells which, once assembled, constitute a substantially rectangular cross-section duct.
  • the walls (26, 27) of the conduit may include stiffening ribs.
  • the grid 24 provided with calibrated holes 25 allows the draft of the duct to be adjusted so that it is not too great during cooking in oven mode, but that it causes sufficient ventilation during cooking in grill mode. .
  • the draft could be adjusted by making a more or less frustoconical duct, but it is simpler to arrange at the outlet of the duct a grid, the size of the holes of which can easily be modified according to the tests carried out or according to the characteristics of the furnace. .
  • a register sliding 28, provided with openings 38 is arranged under the grid 24 so as to ability to take two positions, a first position in which the openings 38 of the register 28 correspond to the calibrated holes 25 of the grid 24 so as to obtain a maximum cross-section of the cooking fumes, a second position for which the openings 38 of the register 28 are offset with respect to the calibrated holes 25 of the grid 24 of so as to reduce the smoke passage section. Thanks to this arrangement it is possible to adjust the draft of the duct 7, and therefore the ventilation cooking chamber 2, depending on the type of cooking. For example, when operation in oven mode it is interesting to limit the draft of the duct to reduce heat loss and avoid excessive drying of the dish that can be intended to simmer for hours. However, during a cooking in grill mode it is better to get good ventilation so that the roasting of the food is satisfactory and to limit the rise in temperature inside the enclosure, the food being cooked mainly by radiation.
  • the position of the register 28 could be manually controlled by to a lever arranged on the upper face 22 of the oven housing. But he is preferable that register 28 is mechanically linked to the control button 19 which allows you to select either the oven cooking mode or the grill cooking. So when the user switches the control button 19 of the oven position to the grill position, the register 28 is automatically placed in the appropriate position.
  • the mechanical connection between register 28 and the button control 19 can consist of a link or a mechanism rack and pinion.
  • the smoke evacuation duct 7 includes filtering means 29. This arrangement makes it possible to retain a part of the fatty vapors contained in cooking fumes in order to avoid the rapid appearance of fatty deposits in the environment of the oven.
  • the filtering means 29 of the fumes preferably comprise a metal mesh 30 on which the fatty vapors are deposited.
  • This mesh 30 has the advantage of only creating one low pressure drop in duct 7, but of course you can use other filtering means such as a filter cartridge containing charcoal.
  • the filtering means 29 are removably mounted in the duct 7 smoke evacuation so that it can be washed in the case of a screen 30 or change them if it is a filter cartridge.
  • the filtering means 29 comprise gripping means 31 extending outside of the cooking chamber.
  • these means of grip have two plastic handles 31 connected to the filtering means 29 by two metal rods 32 passing through the space free located between the upper edge 12 of the door and its frame. Thanks to this arrangement, the user can remove the filtering means 30 at the end of cooking without having to wait for the oven to cool down.
  • a metallic mesh 30 this makes it possible to wash away the fatty deposits when they are still hot and therefore easier to dispose of.
  • the filtering means 29, formed of a metal mesh 30, are supported by a frame 33.
  • the frame 33 is integral gripping means 31 by an elastic connection making it possible to maintain the frame 33 at an angle in the duct 7 for evacuating the smoke from so that two opposite edges (34,35) of the frame are respectively resting on two opposite walls (26,27) of the duct.
  • the elastic connection is made so particularly economical by a curvature 36 of the metal rod 32 connecting the handle 31 to the frame 33, but this elastic connection could be produced by a hinge fitted with a spring. Thanks to this assembly, obtains a particularly simple means of maintaining the filtering means 29 in the duct 7 which requires no clip or lock. However, one of the faces 26 of the duct 7 may have an inclined area 37 in order to improve this maintenance.
  • the user need only exercise a horizontal pull on the handles 31 so that the upper edge 35 of the frame 33 is no longer in contact with the rear wall 27 of the duct 7, then perform a downward movement to fully extract the means of filtering 29, the door 6 being of course in the open position.
  • the invention responds to the concern to prevent cooking fumes from come into contact with the upper part of the oven front. Furthermore she allows this smoke to be filtered using a simple and practical device.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

The domestic cooking oven has a parallelepiped casing (1) to the interior of which is a cooking chamber (2) defined by a floor (3), vertical walls (4), a roof and a front wall (17), with an opening closed by a door (6). The roof has a fume extractor adjacent to the door (6). The chamber has a fume extraction duct, with its opening (21) on an upper surface (22) of the cooker casing.

Description

La présente invention concerne un four ménager comprenant un boítier sensiblement parallélépipédique à l'intérieur duquel est agencée une enceinte de cuisson qui est délimitée par une sole, des parois verticales, une voûte, et dont l'ouverture est encadrée par une façade et fermée par une porte, ladite enceinte comportant un conduit d'évacuation des fumées.The present invention relates to a household oven comprising a housing substantially parallelepiped inside which is arranged an enclosure cooking which is delimited by a hearth, vertical walls, a vault, and whose opening is framed by a facade and closed by a door, said enclosure comprising a smoke evacuation duct.

Certains fours ménagers, notamment les fours de type mini-four électrique pouvant fonctionner en mode gril, ne possèdent pas une porte qui ferme de façon étanche. Pour ces fours, dont la porte peut être formée d'une simple vitre, des espaces libres sont ménagés entre la porte et son encadrement, notamment dans la partie supérieure et inférieure de la porte. Ces espaces libres permettent, outre l'évacuation des fumées produites par la cuisson, de refroidir la porte grâce à la circulation de l'air qui l'entoure. Ainsi, la structure de la porte peut être simplifiée afin d'obtenir un coût de fabrication très bas. De plus, lors du fonctionnement du four en mode gril, les espaces libres assurent une certaine ventilation de l'aliment qui est nécessaire pour obtenir une qualité de grillage satisfaisante et pour limiter l'élévation de température qui est importante du fait de la mise en oeuvre de puissants moyens de chauffage montés sur la voûte.Certain household ovens, in particular mini-oven type ovens electric can operate in grill mode, do not have a door that closes tightly. For these ovens, the door of which can be formed by a single window, free spaces are provided between the door and its framing, especially in the upper and lower part of the door. These free spaces allow, in addition to the evacuation of the fumes produced by the cooking, to cool the door thanks to the air circulation around it. So the door structure can be simplified to obtain manufacturing cost very low. In addition, when the oven is operating in grill mode, the spaces free ones provide a certain ventilation of the food which is necessary for obtain a satisfactory quality of roasting and to limit the elevation of temperature which is important due to the use of powerful heating means mounted on the roof.

Toutefois ce type de porte entraíne des inconvénients. Tout d'abord, les fumées de cuisson qui s'échappent par l'espace libre situé au sommet de la porte viennent lécher la partie supérieure de la façade encadrant la porte et provoquent des dépôts gras sur celle-ci. De plus cette partie supérieure de la façade est soumise aux températures élevées des fumées de cuisson. La façade est donc traditionnellement en matériau résistant aux hautes températures, tel que la tôle émaillée. Or, les pièces en tôle émaillée sont très coûteuses à réaliser, surtout si l'on cherche à obtenir des formes relativement complexes pour répondre à un souci esthétique. Des essais ont été réalisés avec des façades en plastique résistant à la chaleur, mais il est apparu nécessaire de disposer un déflecteur métallique sur la partie supérieure de la façade pour éviter son jaunissement, voire sa détérioration. Toutefois, un tel déflecteur n'évite pas les dépôts gras, n'est pas satisfaisant sur le plan esthétique et entraíne une élévation du coût.However, this type of door has drawbacks. First, the cooking fumes which escape through the free space located at the top of the door come to lick the upper part of the facade framing the door and cause fatty deposits on it. In addition, this upper part of the façade is subject to the high temperatures of cooking fumes. The facade is therefore traditionally made of material resistant to high temperatures, such as enamelled sheet. However, the enameled sheet metal parts are very expensive to make, especially if one seeks to obtain relatively complex to meet an aesthetic concern. Tests have been carried out with heat-resistant plastic fronts, but it appeared necessary to have a metal deflector on the upper part of the facade to avoid yellowing or even deterioration. However, such deflector does not avoid fatty deposits, is not satisfactory on the plan aesthetic and causes an increase in cost.

L'invention à pour but de remédier à ces inconvénients sans altérer l'esthétique de la façade du four et tout en conservant un coût de fabrication peu élevé.The invention aims to remedy these drawbacks without altering the aesthetics of the front of the oven and while retaining a manufacturing cost not high.

Un but supplémentaire de l'invention est de limiter les dépôts gras dans l'environnement du four qui sont dus aux vapeurs grasses contenues dans les fumées de cuisson.A further object of the invention is to limit the fatty deposits in the environment of the oven which are due to the fatty vapors contained in the cooking fumes.

Selon l'invention, l'entrée du conduit d'évacuation des fumées est agencée dans la voûte de l'enceinte à proximité de la porte, tandis que la sortie du conduit débouche sur une face supérieure du boítier du four.According to the invention, the inlet of the smoke exhaust duct is arranged in the vault of the enclosure near the door, while the outlet of the duct opens onto an upper face of the oven housing.

Grâce à cet agencement, le conduit collecte les fumées avant leur sortie par la porte, même s'il y a un espace relativement important entre le haut de la porte et son encadrement. Ainsi la façade du four encadrant la porte n'est pas en contact avec les fumées de cuisson et la porte, qui n'est pas nécessairement étanche, peut être réalisée de manière simple et peu coûteuse.Thanks to this arrangement, the duct collects the fumes before their exit through the door, even if there is a relatively large space between the top of the door and its frame. Thus the front of the oven framing the door is not in contact with the cooking fumes and the door, which is not necessarily waterproof, can be done in a simple way and little expensive.

Par ailleurs, le conduit d'évacuation des fumées s'étend verticalement de la voûte à la face supérieure du boítier et présente une section transversale sensiblement constante, la sortie du conduit étant recouverte d'une grille munie de trous calibrés. Une telle configuration permet d'ajuster le tirage du conduit, notamment selon le mode de cuisson désiré.Furthermore, the smoke evacuation duct extends vertically from the vault on the upper face of the case and has a cross section substantially constant, the outlet of the duct being covered with a grid provided of calibrated holes. Such a configuration makes it possible to adjust the draft of the duct, especially according to the desired cooking method.

Selon une autre caractéristique particulièrement intéressante de l'invention, le conduit d'évacuation des fumées comprend des moyens de filtrage. Ces moyens de filtrage retiennent une partie des vapeurs grasses contenues dans les fumées de cuisson et par conséquent, limitent les salissures grasses qui peuvent se déposer sur les murs et les meubles situés à proximité du four si celui-ci n'est pas dans une pièce correctement ventilée lors son utilisation. According to another particularly interesting characteristic of the invention, the smoke evacuation pipe comprises means for filtering. These filtering means retain part of the fatty vapors contained in cooking fumes and therefore limit the greasy dirt which can be deposited on walls and furniture located near the oven if it is not in a room that is properly ventilated when its use.

D'autres caractéristiques et avantages de l'invention ressortiront de la description qui va suivre, donnée à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'un four ménager suivant l'invention et d'un moyen de filtrage destiné à être logé dans un conduit d'évacuation des fumées du four;
  • la figure 2 est une vue agrandie d'une coupe verticale partielle suivant la ligne I-I de la figure 1.
Other characteristics and advantages of the invention will emerge from the description which follows, given by way of nonlimiting example, with reference to the appended drawings in which:
  • FIG. 1 is a perspective view of a household oven according to the invention and of a filtering means intended to be housed in a flue evacuation duct from the oven;
  • FIG. 2 is an enlarged view of a partial vertical section along line II of FIG. 1.

A la figure 1, on a représenté un four ménager comprenant un boítier 1 sensiblement parallélépipédique à l'intérieur duquel est agencée une enceinte de cuisson 2 qui est délimitée par une sole 3, des parois verticales 4, une voûte 5, et dont l'ouverture est encadrée par une façade et fermée par une porte 6, ladite enceinte comportant un conduit 7 d'évacuation des fumées.In Figure 1, there is shown a household oven comprising a housing 1 substantially parallelepiped inside which is arranged an enclosure cooking 2 which is delimited by a hearth 3, vertical walls 4, a vault 5, and whose opening is framed by a facade and closed by a door 6, said enclosure comprising a duct 7 for evacuating smoke.

La porte 6, représentée en position ouverte sur la figure 1, comprend une vitre 8 encadrée par deux montants 9 articulés sur le boítier 1 du four et sur lesquels est fixée une poignée 10. Les dimensions de la vitre 8 sont choisies de manière à ménager un espace libre entre les bords supérieur 12 et inférieur 13 de la vitre et l'encadrement de la porte quand celle-ci est fermée, afin de permettre, entre autres, une certaine ventilation de l'enceinte de cuisson quand le four fonctionne en mode gril. La porte ainsi réalisée permet d'obtenir un coût de fabrication très bas.The door 6, shown in the open position in Figure 1, comprises a window 8 framed by two uprights 9 articulated on the housing 1 of the oven and on which is fixed a handle 10. The dimensions of the window 8 are chosen so as to leave a free space between the upper edges 12 and lower 13 of the window and the door frame when the door is closed, to allow, among other things, some ventilation of the cooking chamber when the oven is operating in grill mode. The door thus produced makes it possible to obtain a very low manufacturing cost.

Les moyens de chauffage du four comprennent une résistance de sole 15, plus une résistance de voûte 16 afin de réaliser des cuissons en mode gril. La façade 17 du four encadrant la porte comporte des boutons (18,19) pour commander le fonctionnement du four.The furnace heating means include a hearth resistance 15, plus a vault resistance 16 in order to cook in grill mode. The front 17 of the oven framing the door has buttons (18,19) for control the operation of the oven.

Selon l'invention, et comme il apparaít mieux à la figure 2, l'entrée 20 du conduit 7 d'évacuation des fumées est agencé dans la voûte 5 de l'enceinte à proximité de la porte 6, tandis que la sortie 21 du conduit débouche sur une face supérieure 22 du boítier 1 du four. According to the invention, and as it appears better in Figure 2, the input 20 of the duct 7 for evacuating smoke is arranged in the vault 5 of the enclosure at near door 6, while outlet 21 of the conduit leads to a upper face 22 of the housing 1 of the oven.

Grâce à cet agencement, le conduit 7 crée une circulation d'air et collecte les fumées avant qu'elles ne puissent sortir par l'espace libre situé entre le bord supérieur 12 de la porte 6 et son encadrement. La partie supérieure 23 de la façade 17 du four n'est donc pas en contact avec les fumées de cuisson ce qui permet d'éviter les dépôts gras sur cette façade.Thanks to this arrangement, the duct 7 creates an air circulation and collects the fumes before they can leave through the free space located between the upper edge 12 of the door 6 and its frame. The part upper 23 of the front 17 of the oven is therefore not in contact with the cooking fumes which avoids fatty deposits on this facade.

De plus, la partie supérieure 23 de la façade est considérablement moins soumise aux températures élevées des fumées de cuisson, ce qui permet avantageusement de réaliser la façade 17 en matière plastique. Ainsi, la façade, même si elle possède des formes complexes, peut être réalisée facilement et à moindre coût par injection de matière plastique dans un moule. Pour plus de sûreté on peut utiliser une matière plastique résistant à la chaleur, telle qu'une matière thermodurcissable chargée de fibres de verre, communément dénommée BMC. Mais il est tout à fait envisageable d'utiliser une matière plastique plus courante comme le polypropylène.In addition, the upper part 23 of the facade is considerably less subject to the high temperatures of cooking fumes, which advantageously allows the facade 17 to be made of plastic. So, the facade, even if it has complex shapes, can be realized easily and inexpensively by injecting plastic material into a mold. For greater safety, a heat-resistant plastic can be used, such as a thermosetting material loaded with glass fibers, commonly known as BMC. But it is quite possible to use a more common plastic such as polypropylene.

L'entrée 20 du conduit 7 d'évacuation des fumées s'étend, de préférence, parallèlement au bord supérieur de la porte 6 sur toute la largeur de la porte afin de garantir qu'il n'y a aucune sortie de fumées par le bord supérieur 12 de la porte.
De manière préférentielle, le conduit 7 d'évacuation des fumées s'étend verticalement de la voûte 5 à la face supérieure 22 du boítier 1 et présente une section transversale sensiblement constante, la sortie 21 du conduit étant recouverte d'une grille 24 munie de trous calibrés 25. Ainsi, le conduit assure un bon tirage des fumées sans nécessiter de moyens supplémentaires tel qu'un ventilateur. On peut utiliser deux tôles embouties formant deux demi-coquilles qui, une fois assemblées, constituent un conduit de section transversale sensiblement rectangulaire. Toutefois, les parois (26,27) du conduit peuvent comporter des nervures de rigidification. La grille 24 munie de trous calibrés 25 permet d'ajuster le tirage du conduit pour qu'il ne soit pas trop important lors d'une cuisson en mode four, mais qu'il entraíne une ventilation suffisante lors d'une cuisson en mode gril. Le tirage pourrait être ajusté en réalisant un conduit plus ou moins tronconique, mais il est plus simple d'agencer à la sortie du conduit une grille dont on peut facilement modifier la dimension des trous en fonction des essais réalisés ou en fonction des caractéristiques du four.
The inlet 20 of the smoke evacuation duct 7 preferably extends parallel to the upper edge of the door 6 over the entire width of the door in order to guarantee that there is no smoke outlet through the upper edge 12 of the door.
Preferably, the smoke evacuation duct 7 extends vertically from the roof 5 to the upper face 22 of the housing 1 and has a substantially constant cross section, the outlet 21 of the duct being covered with a grid 24 provided with 25 calibrated holes. Thus, the duct ensures good smoke draft without requiring additional means such as a fan. Two stamped sheets can be used forming two half-shells which, once assembled, constitute a substantially rectangular cross-section duct. However, the walls (26, 27) of the conduit may include stiffening ribs. The grid 24 provided with calibrated holes 25 allows the draft of the duct to be adjusted so that it is not too great during cooking in oven mode, but that it causes sufficient ventilation during cooking in grill mode. . The draft could be adjusted by making a more or less frustoconical duct, but it is simpler to arrange at the outlet of the duct a grid, the size of the holes of which can easily be modified according to the tests carried out or according to the characteristics of the furnace. .

Selon un mode particulier de réalisation de l'invention, un registre coulissant 28, muni d'ouvertures 38, est agencé sous la grille 24 de manière à pouvoir prendre deux positions, une première position en laquelle les ouvertures 38 du registre 28 sont en correspondance avec les trous calibrés 25 de la grille 24 de manière à obtenir une section de passage maximale des fumées de cuisson, une deuxième position pour laquelle les ouvertures 38 du registre 28 sont décalées par rapport aux trous calibrés 25 de la grille 24 de manière à réduire la section de passage des fumées. Grâce à cette disposition il est possible d'ajuster le tirage du conduit 7, et par conséquent la ventilation de l'enceinte de cuisson 2, en fonction du type de cuisson. Par exemple, lors du fonctionnement en mode four il est intéressant de limiter le tirage du conduit pour réduire les pertes de chaleur et éviter un dessèchement trop important du plat qui peut être destiné à mijoter pendant des heures. Par contre, lors d'une cuisson en mode gril il est préférable d'obtenir une bonne ventilation pour que le grillage de l'aliment soit satisfaisant et pour limiter l'élévation de température à l'intérieur de l'enceinte, l'aliment étant cuit principalement par rayonnement.According to a particular embodiment of the invention, a register sliding 28, provided with openings 38, is arranged under the grid 24 so as to ability to take two positions, a first position in which the openings 38 of the register 28 correspond to the calibrated holes 25 of the grid 24 so as to obtain a maximum cross-section of the cooking fumes, a second position for which the openings 38 of the register 28 are offset with respect to the calibrated holes 25 of the grid 24 of so as to reduce the smoke passage section. Thanks to this arrangement it is possible to adjust the draft of the duct 7, and therefore the ventilation cooking chamber 2, depending on the type of cooking. For example, when operation in oven mode it is interesting to limit the draft of the duct to reduce heat loss and avoid excessive drying of the dish that can be intended to simmer for hours. However, during a cooking in grill mode it is better to get good ventilation so that the roasting of the food is satisfactory and to limit the rise in temperature inside the enclosure, the food being cooked mainly by radiation.

La position du registre 28 pourrait être commandée manuellement grâce à une manette agencée sur la face supérieure 22 du boítier du four. Mais il est préférable que le registre 28 soit relié mécaniquement au bouton de commande 19 qui permet de sélectionner soit le mode de cuisson four, soit le mode de cuisson gril. Ainsi quand l'utilisateur bascule le bouton de commande 19 de la position four à la position gril, le registre 28 est placé automatiquement dans la position appropriée. La liaison mécanique entre le registre 28 et le bouton de commande 19 peut être constituée d'une biellette ou d'un mécanisme pignon-crémaillère.The position of the register 28 could be manually controlled by to a lever arranged on the upper face 22 of the oven housing. But he is preferable that register 28 is mechanically linked to the control button 19 which allows you to select either the oven cooking mode or the grill cooking. So when the user switches the control button 19 of the oven position to the grill position, the register 28 is automatically placed in the appropriate position. The mechanical connection between register 28 and the button control 19 can consist of a link or a mechanism rack and pinion.

De manière avantageuse, le conduit d'évacuation des fumées 7 comprend des moyens de filtrage 29. Cette disposition permet de retenir une partie des vapeurs grasses contenues dans les fumées de cuisson afin d'éviter l'apparition rapide de dépôts gras dans l'environnement du four.Advantageously, the smoke evacuation duct 7 includes filtering means 29. This arrangement makes it possible to retain a part of the fatty vapors contained in cooking fumes in order to avoid the rapid appearance of fatty deposits in the environment of the oven.

Dans le mode de réalisation représenté, les moyens de filtrage 29 des fumées comprennent de préférence un grillage métallique 30 sur lequel les vapeurs grasses se déposent. Ce grillage 30 a l'avantage de ne créer qu'une faible perte de charge dans le conduit 7, mais bien entendu on peut utiliser d'autres moyens de filtrage comme une cartouche filtrante contenant du charbon actif.In the embodiment shown, the filtering means 29 of the fumes preferably comprise a metal mesh 30 on which the fatty vapors are deposited. This mesh 30 has the advantage of only creating one low pressure drop in duct 7, but of course you can use other filtering means such as a filter cartridge containing charcoal.

Les moyens de filtrage 29 sont montés amovibles dans le conduit 7 d'évacuation des fumées afin de pouvoir les laver s'il s'agit d'un grillage 30 ou les changer s'il s'agit d'une cartouche filtrante.The filtering means 29 are removably mounted in the duct 7 smoke evacuation so that it can be washed in the case of a screen 30 or change them if it is a filter cartridge.

De manière particulièrement avantageuse, les moyens de filtrage 29 comprennent des moyens de préhension 31 s'étendant à l'extérieur de l'enceinte de cuisson. Dans le mode de réalisation représenté, ces moyens de préhension comportent deux poignées 31 en matière plastique reliées aux moyens de filtrage 29 par deux tiges métalliques 32 passant à travers l'espace libre situé entre le bord supérieur 12 de la porte et son encadrement. Grâce à cette disposition, l'utilisateur peut retirer les moyens de filtrage 30 dès la fin de la cuisson sans devoir attendre le refroidissement du four. De plus, dans le cas d'un grillage métallique 30, cela permet de laver les dépôts graisseux quand ils sont encore chauds et donc plus faciles à éliminer.Particularly advantageously, the filtering means 29 comprise gripping means 31 extending outside of the cooking chamber. In the embodiment shown, these means of grip have two plastic handles 31 connected to the filtering means 29 by two metal rods 32 passing through the space free located between the upper edge 12 of the door and its frame. Thanks to this arrangement, the user can remove the filtering means 30 at the end of cooking without having to wait for the oven to cool down. In addition, in the case of a metallic mesh 30, this makes it possible to wash away the fatty deposits when they are still hot and therefore easier to dispose of.

Comme on peut mieux le voir à la figure 1, les moyens de filtrage 29, formés d'un grillage métallique 30, sont supportés par un cadre 33. De préférence et comme cela apparaít mieux à la figure 2, le cadre 33 est solidaire des moyens de préhension 31 par une liaison élastique permettant de maintenir le cadre 33 en biais dans le conduit 7 d'évacuation des fumées de manière à ce que deux bords opposés (34,35) du cadre soient respectivement en appui sur deux parois opposées (26,27) du conduit. Dans le mode de réalisation représenté, la liaison élastique est réalisée de manière particulièrement économique par une courbure 36 de la tige métallique 32 reliant la poignée 31 au cadre 33, mais cette liaison élastique pourrait être réalisée par une charnière équipée d'un ressort. Grâce à ce montage, on obtient un moyen particulièrement simple de maintien des moyens de filtrage 29 dans le conduit 7 qui ne nécessite aucun clip ou verrou. Toutefois, une des faces 26 du conduit 7 peut présenter une zone inclinée 37 afin d'améliorer ce maintien.As can best be seen in FIG. 1, the filtering means 29, formed of a metal mesh 30, are supported by a frame 33. From preferably and as it appears better in Figure 2, the frame 33 is integral gripping means 31 by an elastic connection making it possible to maintain the frame 33 at an angle in the duct 7 for evacuating the smoke from so that two opposite edges (34,35) of the frame are respectively resting on two opposite walls (26,27) of the duct. In the mode of shown embodiment, the elastic connection is made so particularly economical by a curvature 36 of the metal rod 32 connecting the handle 31 to the frame 33, but this elastic connection could be produced by a hinge fitted with a spring. Thanks to this assembly, obtains a particularly simple means of maintaining the filtering means 29 in the duct 7 which requires no clip or lock. However, one of the faces 26 of the duct 7 may have an inclined area 37 in order to improve this maintenance.

Pour retirer les moyens de filtrage 29, il suffit à l'utilisateur d'exercer une traction horizontale sur les poignées 31 afin que le bord supérieur 35 du cadre 33 ne soit plus en contact avec la paroi postérieure 27 du conduit 7, puis d'effectuer un mouvement vers le bas pour extraire entièrement les moyens de filtrage 29, la porte 6 étant bien entendu en position ouverte.To remove the filtering means 29, the user need only exercise a horizontal pull on the handles 31 so that the upper edge 35 of the frame 33 is no longer in contact with the rear wall 27 of the duct 7, then perform a downward movement to fully extract the means of filtering 29, the door 6 being of course in the open position.

L'invention répond au souci d'éviter que les fumées de cuisson ne viennent en contact avec la partie supérieure de la façade du four. De plus elle permet de filtrer ces fumées grâce à un dispositif simple et pratique d'utilisation.The invention responds to the concern to prevent cooking fumes from come into contact with the upper part of the oven front. Furthermore she allows this smoke to be filtered using a simple and practical device.

Claims (9)

Four ménager comprenant un boítier (1) sensiblement parallélépipédique à l'intérieur duquel est agencée une enceinte de cuisson (2) qui est délimitée par une sole (3), des parois verticales (4), une voûte (5), et dont l'ouverture est encadrée par une façade (17) et fermée par une porte (6), ladite enceinte (2) comportant un conduit (7) d'évacuation des fumées, l'entrée (20) du conduit (7) d'évacuation des fumées étant agencée dans la voûte (5) de l'enceinte (2) à proximité de la porte (6), tandis que la sortie (21) du conduit (7) débouche sur une face supérieure (22) du boítier (1) du four, caractérisé en ce que le conduit (7) d'évacuation des fumées s'étend verticalement de la voûte (5) à la face supérieure (22) du boítier (1) et présente une section transversale sensiblement constante, la sortie du conduit (21) étant recouverte d'une grille (24) munie de trous calibrés (25).Household oven comprising a housing (1) substantially parallelepiped inside which is arranged a cooking chamber (2) which is delimited by a hearth (3), vertical walls (4), a vault (5), and whose l opening is framed by a facade (17) and closed by a door (6), said enclosure (2) comprising a flue exhaust duct (7), the inlet (20) of the exhaust duct (7) smoke being arranged in the vault (5) of the enclosure (2) near the door (6), while the outlet (21) of the duct (7) opens onto an upper face (22) of the housing (1 ) of the oven, characterized in that the smoke evacuation duct (7) extends vertically from the roof (5) to the upper face (22) of the housing (1) and has a substantially constant cross section, the outlet of the duct (21) being covered with a grid (24) provided with calibrated holes (25). Four ménager selon la revendication 1, caractérisé en ce qu'un registre coulissant (28), muni d'ouvertures (38), est agencé sous la grille (24) de manière à pouvoir prendre deux positions, une première position en laquelle les ouvertures (38) du registre (28) sont en correspondance avec les trous calibrés (25) de la grille (24) de manière à obtenir une section de passage maximale des fumées de cuisson, une deuxième position pour laquelle les ouvertures (38) du registre (28) sont décalées par rapport aux trous calibrés (25) de la grille (24) de manière à réduire la section de passage des fumées.Household oven according to claim 1, characterized in that a sliding damper (28), provided with openings (38), is arranged under the grid (24) so as to be able to take two positions, a first position in which the openings (38) of the register (28) are in correspondence with the calibrated holes (25) of the grid (24) so as to obtain a maximum passage section for cooking fumes, a second position for which the openings (38) of the register (28) are offset relative to the calibrated holes (25) of the grid (24) so as to reduce the smoke passage section. Four ménager selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'entrée (21) du conduit (7) d'évacuation des fumées s'étend parallèlement au bord supérieur (12) de la porte (6) sur toute la largeur de ladite porte.Household oven according to any one of claims 1 or 2, characterized in that the inlet (21) of the smoke evacuation duct (7) extends parallel to the upper edge (12) of the door (6) on the entire width of said door. Four ménager selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le conduit (7) d'évacuation des fumées comprend des moyens de filtrage (29). Household oven according to any one of claims 1 to 3, characterized in that the duct (7) for evacuating the fumes comprises filtering means (29). Four ménager selon la revendication 4, caractérisé en ce que les moyens de filtrage (29) sont montés amovibles dans le conduit (7) d'évacuation des fumées.Household oven according to claim 4, characterized in that the filtering means (29) are removably mounted in the duct (7) for evacuating the fumes. Four ménager selon la revendication 4 ou 5, caractérisé en ce que les moyens de filtrage (29) comprennent des moyens de préhension (31) s'étendant à l'extérieur de l'enceinte de cuisson (2).Household oven according to claim 4 or 5, characterized in that the filtering means (29) comprise gripping means (31) extending outside the cooking chamber (2). Four ménager selon l'une quelconque des revendications 4 à 6, caractérisé en ce que les moyens de filtrage (29) comprennent un grillage métallique (30).Household oven according to any one of claims 4 to 6, characterized in that the filtering means (29) comprise a metal grid (30). Four ménager selon la revendication 7, caractérisé en ce que les moyens de filtrage (29) étant supportés par un cadre (33), ledit cadre (33) est solidaire des moyens de préhension (31) par une liaison élastique permettant de maintenir le cadre (33) en biais dans le conduit d'évacuation des fumées (7) de manière à ce que deux bords opposés (34,35) du cadre soient respectivement en appui sur deux parois opposées (26,27) du conduit (7) .Household oven according to claim 7, characterized in that the filtering means (29) being supported by a frame (33), said frame (33) is integral with the gripping means (31) by an elastic connection making it possible to hold the frame (33) at an angle in the smoke evacuation duct (7) so that two opposite edges (34,35) of the frame are respectively supported on two opposite walls (26,27) of the duct (7). Four ménager selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la façade (17) est réalisée en matière plastique.Household oven according to any one of claims 1 to 8, characterized in that the facade (17) is made of plastic.
EP02356184A 2001-09-27 2002-09-26 Domestic oven Withdrawn EP1298394A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0112414A FR2830076B1 (en) 2001-09-27 2001-09-27 HOUSEHOLD OVEN
FR0112414 2001-09-27

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE102015118604A1 (en) * 2015-10-30 2017-05-18 Miele & Cie. Kg Cooking appliance and method of installation

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
DE102007047005A1 (en) * 2007-10-01 2009-04-02 BSH Bosch und Siemens Hausgeräte GmbH oven

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Publication number Priority date Publication date Assignee Title
US3328560A (en) * 1964-12-02 1967-06-27 Gen Electric Recirculating venting system for domestic oven
US3858568A (en) * 1973-12-12 1975-01-07 Raytheon Co Oven vent hood
CH656942A5 (en) * 1981-04-23 1986-07-31 Elektra Bregenz Gmbh Baking oven

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328560A (en) * 1964-12-02 1967-06-27 Gen Electric Recirculating venting system for domestic oven
US3858568A (en) * 1973-12-12 1975-01-07 Raytheon Co Oven vent hood
CH656942A5 (en) * 1981-04-23 1986-07-31 Elektra Bregenz Gmbh Baking oven

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015118604A1 (en) * 2015-10-30 2017-05-18 Miele & Cie. Kg Cooking appliance and method of installation
DE102015118604B4 (en) 2015-10-30 2020-07-09 Miele & Cie. Kg Cooking device and installation method

Also Published As

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FR2830076A1 (en) 2003-03-28
FR2830076B1 (en) 2004-03-19

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