EP1030115A1 - Pivotable heating element for electric cooking apparatus - Google Patents

Pivotable heating element for electric cooking apparatus Download PDF

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Publication number
EP1030115A1
EP1030115A1 EP00420032A EP00420032A EP1030115A1 EP 1030115 A1 EP1030115 A1 EP 1030115A1 EP 00420032 A EP00420032 A EP 00420032A EP 00420032 A EP00420032 A EP 00420032A EP 1030115 A1 EP1030115 A1 EP 1030115A1
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EP
European Patent Office
Prior art keywords
heating element
heating
electric cooking
cooking appliance
return means
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Granted
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EP00420032A
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German (de)
French (fr)
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EP1030115B1 (en
Inventor
Dominique Antoine
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SEB SA
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SEB SA
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Priority to EP03010549A priority Critical patent/EP1336802B1/en
Publication of EP1030115A1 publication Critical patent/EP1030115A1/en
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Publication of EP1030115B1 publication Critical patent/EP1030115B1/en
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    • 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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/06—Arrangement or mounting of electric heating elements

Definitions

  • the present invention relates to the field of cooking appliances. electric type ovens appliances or any type of appliance used for cooking grills or roasting (grill, barbecue ...) and concerns more particularly a pivoting heating element and its arrangement in such a apparatus.
  • the document FR 2 752 918 describes a pivoting furnace resistance, the mounting of said resistor being carried out using holes made in each of the side walls, the resistor being pivotally mounted around a tilt axis passing through said holes.
  • Each hole has a bearing fixed mounted, in which a portion of sheath of the corresponding free end of the resistor to allow pivoting resistance.
  • An elastic means makes it possible to recall the resistance in its working position, horizontal.
  • One of the objects of the present invention is to remedy the drawbacks of the prior art by providing a pivoting heating element for a electric cooking which is easy to carry out and use, in order to reduce manufacturing costs, without degrading the functionality of the element heating, and while allowing simple handling of the heating element for the user.
  • an electric cooking appliance comprising a frame comprising at least one floor wall and / or a wall of vault, at least one side wall, defining a cooking enclosure, at at least one tubular heating element arranged in the cooking chamber, at near the roof and / or the floor of the electrical appliance, said element heater can be positioned, by rotation, on the one hand in a position horizontal working, and on the other hand in a position of release by relative to said working position, an elastic return means disposed between the heating element and the frame, and allowing the heating element to return its release position to its working position, characterized in that said heating element has two end parts with free ends are connected by connectors to an electrical supply circuit of the heating element, said end portions extending outside the enclosure of cooking through an opening in one of the side walls and each comprising at least one local outgrowth capable of cooperating with a clip at least partially surrounding the heating element and formed at the end of the return means, said return means allowing to keep the heating element in its working position.
  • the particular arrangement between the heating element and the return means is very simple in its implementation, requires few elements and no means mechanical assembly such as screwing, welding, .... Times assembly are reduced and the function performed at lower cost.
  • the protuberance produced on the extreme parts of the element heating is obtained by stamping the heating element under a press.
  • the stamping creates a flattening of the heating element, and therefore a transverse widening thereof, proper widening to retain the means elastic previously surrounding the heating element.
  • the end parts of the heating element are bent and have an inclination directed towards the return means.
  • This option in the realization, allows to position the return means always in abutment against the deformed area of the heating element to provide the same torque on the heating element, which allows reproducible positioning of said heating element in the working position.
  • the cooking appliance comprises a frame 3 and a heating element 10 of the type armored.
  • the different parts of the frame 3, shown in Figure 1, are consisting of a vault 5 secured with side walls 4 and / or a rear wall 7, thus delimiting a cooking enclosure 2.
  • An access door, not shown, makes it possible to produce a closed cooking chamber of an oven electric 1.
  • the heating element 10 extends in an extension plane substantially horizontal, in the vicinity of the roof 5 when said heating element 10 is in a working position, where the electrical device is powered to proceed to a cooking.
  • one of the side walls 4 of the oven has two openings 8 by which the heating element 10 passes through said side wall 4, as as illustrated in FIG. 2.
  • This side wall can be completed by a cross-member 6 to stiffen the entire oven.
  • the heating element 10 is arranged in zigzag in order to best distribute the radiated power.
  • the parts of the heating element located outside the cooking chamber are designated by the reference 11 and called extreme parts.
  • part extreme so here is meant a portion of the heating element 10 comprising the very end of this element and a portion of the heating element extending from the end of the heating element to the side wall 4, the length of this end part which can be up to about 10% of the total length of the heating element.
  • These two end parts of the heating element are located on the same side from one of the two side walls and at substantially the same height in the oven.
  • connection electric heating element via connection lugs 12 mounted on crimping rings 14 and connected to the electrical circuit (not shown) supplying the heating element.
  • end portions 11 are arranged return means elastic 16 of the heating element 10 to allow it to occupy a horizontal working position, while offering the possibility, by soliciting the elastic means 16, to pivot the heating element 10 in order to clean the vault or floor adjoining the heating element 10.
  • the pivoting of the heating element 10 is carried out around the fulcrum 9 of the heating element 10 on the side wall 4 of the cooking appliance, at the level of the opening 8.
  • the return means which can be a spring as in the example presented or any other similar means, comprises, at its end a fastener 18.
  • This fastener can have various shapes, such as a hook, a necklace, or a loop as presented in the proposed example, allowing to surround partially or totally the tubular heating element 10, on the part extreme and according to a section of it.
  • the end part of the heating element 10 has a projection 20 intended to retain the return means 16 during operation of the device.
  • This outgrowth can be obtained in different ways, either by adding of an element locally surrounding the heating element, either by deformation of the heating element to the extent that its constitution allows.
  • the projection of the extreme part 11 of the element tubular heater is obtained by stamping causing a flattening of the heating element with consequent widening, transverse to the matrixing, as it is clearly visible in FIGS. 3a and 3b.
  • the core 22 of the heating element 10 is also shown in these figures.
  • This element is preferably of the shielded type, that is to say made up of a tube containing a coiled resistive wire surrounded by magnesia.
  • the loop 18 of the return means cannot slide towards the connector 12 and can only slide between the projection 20 of the heating element and the wall side 4 of the cooking appliance. There is indeed no need to establish a fixed mechanical connection between these two elements, the recall function being able to be carried out with a fairly large latitude on the lever arm used.
  • the end portions 11 of the heating element 10 can be tilted towards the return means so that the latter is localized, by systematic sliding, against the outgrowth of the element heating.
  • the return means 16 exerts its force in the same place, producing identical torque during successive manipulations of the element heating 10 by the user. This feature ensures a reproducible and systematic positioning of the heating element in its working position and ensures the horizontality of said heating element.
  • Another advantage to a bent arrangement of the end parts is prevent sliding of the heating element 10 through the openings 8 when this heating element only consists of a single loop.
  • the heating element can therefore be moved or pivoted to a releasing position the floor and / or the vault to facilitate its cleaning, the pivoting angle being able reach 90 °.
  • the present invention can also be applied to a heating element located near the roof of the electrical appliance or else located near the floor of said device, the possible reversal of the elastic return means 16 allowing to adapt the assembly according to the position of the heating element.
  • Another object of the invention relates to guiding and holding the element heater 10. Indeed, the freedom given to the heater to be able to pivot in order to free himself from his working position must however be limited in its lateral deflections, either in translation between the two lateral walls, by sliding in the opening 8 along the arrow G in Figure 4, or rotation perpendicular to the authorized rotation, i.e. in a movement between the rear wall of the oven and the front door, according to arrow F, figure 4.
  • an outgrowth can be provided on the end portions 11 obtained similarly to the protuberance 20, that is to say by adding material or by deformation, and located substantially adjacent to the side wall 4, thus avoiding lateral movements of the heating element 10 which could cause dangerous contacts between connectors 12 and the frame the device.
  • this principle of guiding and restricting travel can be applied to any pivoting resistor, regardless of the presence or not a reminder, so regardless of the problem of keeping the loop for maintaining the return means, and / or for locating the element heating in the oven enclosure, in the top or bottom position.
  • the heating element when the heating element is in the sole position, it may not be provided with a reminder, gravity being responsible for recalling the element heating in a horizontal position when it has been released from its working position.
  • a protrusion such as the appropriately positioned protrusion 20, then avoids the deflection of the heating element.
  • the projection 30 produced on the end portions 11 of the heating element 10, close to the wall 4.
  • the projection 30 can be obtained either by adding an element locally surrounding the element heating, either by deformation of the heating element, in particular by stamping.
  • this lateral holding function of the heating element 10 can be combined with that of guiding or holding the loop 18 of the return means 16, by a judicious length of the end portions 11 of the heating element 10 so that the projection 30 is located substantially against the side wall 4.
  • FIG. 4 illustrates this advantageous embodiment where the holding loop 18 of the return means 16 is located between the protrusions 20 and 30.
  • the loop 18 cannot slide on the part extreme 11 only between the two growths 20 and 30 which can be close enough to each other to maintain, without play along the heating element, the holding loop 18, the protrusion 30 avoiding also the transverse deflections of the heating element.
  • a means for retaining the element heating when the latter is positioned, by lateral pivoting, out of its working position can be simple hooks or metal clip elements or any other similar device. The cleaning of the vault and / or the sole is then facilitated, the user not having to hold the heating element in the retracted position to proceed with the cleaning.
  • the electric cooking appliance according to the present invention constitutes preferably an oven, grill or barbecue.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Baking, Grill, Roasting (AREA)
  • Resistance Heating (AREA)

Abstract

The heating element (10) has two ends (11) extending outside the cooking enclosure through and opening (8) formed in one of the side walls (4) of the cooker, with each having a local flattened region (20) that co-operates with an attachment at the end of a spring (16) that holds the element in its working position. A detachable electrical connector (12) is provided at the end of the element.

Description

La présente invention se rapporte au domaine des appareils de cuisson électrique de type fours électroménagers ou tout type d'appareil utilisé pour la cuisson de grillades ou des rôtissages (gril, barbecue...) et concerne plus particulièrement un élément chauffant pivotant et son agencement dans un tel appareil.The present invention relates to the field of cooking appliances. electric type ovens appliances or any type of appliance used for cooking grills or roasting (grill, barbecue ...) and concerns more particularly a pivoting heating element and its arrangement in such a apparatus.

On connaít, par le document FR 2 720 917, un élément chauffant pour four électroménager, mobile par l'intermédiaire d'un élément de guidage permettant de déplacer l'élément de chauffe d'une position de travail à une position de dégagement par pivotement autour d'une boucle. Si cette solution est bien adaptée à une position de l'élément chauffant au niveau de la sole du four, il convient, dans une utilisation en voûte de l'élément chauffant, de prévoir un système spécifique de maintien de cet élément chauffant en position horizontale de travail.We know from document FR 2 720 917 a heating element for an oven household appliances, mobile via a guide element allowing to move the heating element from a working position to a position release by pivoting around a loop. If this solution is good adapted to a position of the heating element at the bottom of the oven, it should, in a vaulted use of the heating element, provide a specific system for holding this heating element in position horizontal working.

Par ailleurs, le document FR 2 752 918 décrit une résistance pivotante de four, le montage de ladite résistance étant réalisé à l'aide de trous pratiqués dans chacune des parois latérales, la résistance étant montée pivotante autour d'un axe de basculement passant par lesdits trous. Chaque trou porte un palier monté fixe, dans lequel est monté tourillonnante une portion de gaine de l'extrémité libre correspondante de la résistance pour permettre le pivotement de la résistance. Un moyen élastique permet de rappeler la résistance dans sa position de travail, horizontale.Furthermore, the document FR 2 752 918 describes a pivoting furnace resistance, the mounting of said resistor being carried out using holes made in each of the side walls, the resistor being pivotally mounted around a tilt axis passing through said holes. Each hole has a bearing fixed mounted, in which a portion of sheath of the corresponding free end of the resistor to allow pivoting resistance. An elastic means makes it possible to recall the resistance in its working position, horizontal.

Cette solution est complexe et nécessite plusieurs opérations pour connecter la résistance de chauffe au moyen de rappel élastique. Ces opérations génèrent un coût important pour une telle fonction. Par ailleurs, les deux parois latérales sont requises pour le pivotement de la résistance, d'où un encombrement supplémentaire. This solution is complex and requires several operations to connect the heating resistance by means of elastic return. These operations generate a significant cost for such a function. In addition, the two side walls are required for pivoting the resistor, resulting in space additional.

L'un des objets de la présente invention est de remédier aux inconvénients de l'art antérieur en réalisant un élément chauffant pivotant pour un appareil de cuisson électrique qui soit de réalisation et de mise en oeuvre aisées, afin de réduire les coûts de fabrication, sans dégrader la fonctionnalité de l'élément chauffant, et tout en permettant une manipulation simple de l'élément chauffant pour l'utilisateur.One of the objects of the present invention is to remedy the drawbacks of the prior art by providing a pivoting heating element for a electric cooking which is easy to carry out and use, in order to reduce manufacturing costs, without degrading the functionality of the element heating, and while allowing simple handling of the heating element for the user.

La présente invention est atteinte à l'aide d'un appareil électrique de cuisson, comprenant un bâti comportant au moins une paroi de sole et/ou une paroi de voûte, au moins une paroi latérale, définissant une enceinte de cuisson, au moins un élément chauffant tubulaire agencé dans l'enceinte de cuisson, au voisinage de la voûte et/ou de la sole de l'appareil électrique, ledit élément chauffant pouvant être positionné, par rotation, d'une part dans une position horizontale de travail, et d'autre part dans une position de dégagement par rapport à ladite position de travail, un moyen de rappel élastique disposé entre l'élément chauffant et le bâti, et permettant le retour de l'élément chauffant de sa position de dégagement à sa position de travail, caractérisé en ce que ledit élément chauffant comporte deux parties extrêmes dont les extrémités libres sont reliées par des connecteurs à un circuit électrique d'alimentation de l'élément chauffant, lesdites parties extrêmes s'étendant hors de l'enceinte de cuisson par une ouverture pratiquée dans l'une des parois latérales et comportant chacune au moins une excroissance locale susceptible de coopérer avec une attache entourant au moins partiellement l'élément chauffant et ménagée à l'extrémité du moyen de rappel, ledit moyen de rappel permettant de maintenir l'élément chauffant dans sa position de travail.The present invention is achieved using an electric cooking appliance, comprising a frame comprising at least one floor wall and / or a wall of vault, at least one side wall, defining a cooking enclosure, at at least one tubular heating element arranged in the cooking chamber, at near the roof and / or the floor of the electrical appliance, said element heater can be positioned, by rotation, on the one hand in a position horizontal working, and on the other hand in a position of release by relative to said working position, an elastic return means disposed between the heating element and the frame, and allowing the heating element to return its release position to its working position, characterized in that said heating element has two end parts with free ends are connected by connectors to an electrical supply circuit of the heating element, said end portions extending outside the enclosure of cooking through an opening in one of the side walls and each comprising at least one local outgrowth capable of cooperating with a clip at least partially surrounding the heating element and formed at the end of the return means, said return means allowing to keep the heating element in its working position.

L'agencement particulier entre l'élément chauffant et le moyen de rappel est très simple dans sa mise en oeuvre, nécessite peu d'éléments et aucun moyen d'assemblage mécanique tel que vissage, soudage,.... Les temps d'assemblage sont ainsi réduits et la fonction réalisée à moindre coût.The particular arrangement between the heating element and the return means is very simple in its implementation, requires few elements and no means mechanical assembly such as screwing, welding, .... Times assembly are reduced and the function performed at lower cost.

Avantageusement, l'excroissance réalisée sur les parties extrêmes de l'élément chauffant est obtenue par matriçage de l'élément chauffant sous une presse. Advantageously, the protuberance produced on the extreme parts of the element heating is obtained by stamping the heating element under a press.

Cette particularité permet de simplifier la réalisation du dispositif. En effet, le matriçage crée un aplatissement de l'élément chauffant, et par conséquent un élargissement transversal de celui-ci, élargissement propre à retenir le moyen élastique entourant préalablement l'élément chauffant.This feature simplifies the production of the device. Indeed, the stamping creates a flattening of the heating element, and therefore a transverse widening thereof, proper widening to retain the means elastic previously surrounding the heating element.

Avantageusement, les parties extrêmes de l'élément chauffant sont coudées et présentent une inclinaison dirigée vers le moyen de rappel. Cette option, dans la réalisation, permet de positionner le moyen de rappel toujours en butée contre la zone déformée de l'élément chauffant afin de procurer un même couple sur l'élément chauffant, ce qui permet un positionnement reproductible dudit élément chauffant en position de travail.Advantageously, the end parts of the heating element are bent and have an inclination directed towards the return means. This option, in the realization, allows to position the return means always in abutment against the deformed area of the heating element to provide the same torque on the heating element, which allows reproducible positioning of said heating element in the working position.

D'autres caractéristiques et avantages de la présente invention ressortiront de la description suivante, présentant une forme de réalisation de l'objet de l'invention, donnée à titre d'exemple non limitatif, et illustrée par les dessins annexés.

  • La figure 1 représente une vue partielle d'un four comportant la présente invention,
  • la figure 2 montre l'élément chauffant disposé dans le four, dans une vue de dessus,
  • la figure 3a est une vue détaillée de la partie extrême portant le connecteur électrique de l'élément chauffant,
  • la figure 3b est une vue analogue à la précédente, l'élément chauffant ayant subi une rotation d'environ 90° autour de l'axe X-X',
  • la figure 4 est une vue analogue à la figure 1, montrant une amélioration apportée à l'invention.
    • Other characteristics and advantages of the present invention will emerge from the following description, presenting an embodiment of the object of the invention, given by way of nonlimiting example, and illustrated by the appended drawings.
  • FIG. 1 represents a partial view of an oven comprising the present invention,
  • FIG. 2 shows the heating element placed in the oven, in a top view,
  • FIG. 3a is a detailed view of the extreme part carrying the electrical connector of the heating element,
  • FIG. 3b is a view similar to the previous one, the heating element having undergone a rotation of approximately 90 ° around the axis XX ′,
  • Figure 4 is a view similar to Figure 1 showing an improvement to the invention.

    • La description détaillée se rapportera plus particulièrement à un four électrique bien que l'invention ne se limite nullement à cette réalisation particulière.The detailed description will relate more particularly to an electric oven although the invention is in no way limited to this particular embodiment.

    L'appareil de cuisson comporte un bâti 3 et un élément chauffant 10 du type blindé. Les différentes parties du bâti 3, représentées à la figure 1, sont constituées d'une voûte 5 solidarisée avec des parois latérales 4 et/ou une paroi arrière 7, délimitant ainsi une enceinte de cuisson 2. Une porte d'accès, non représentée, permet de réaliser une enceinte de cuisson fermée d'un four électrique 1.The cooking appliance comprises a frame 3 and a heating element 10 of the type armored. The different parts of the frame 3, shown in Figure 1, are consisting of a vault 5 secured with side walls 4 and / or a rear wall 7, thus delimiting a cooking enclosure 2. An access door, not shown, makes it possible to produce a closed cooking chamber of an oven electric 1.

    L'élément chauffant 10 s'étend dans un plan d'extension sensiblement horizontal, au voisinage de la voûte 5 lorsque ledit élément chauffant 10 est dans une position de travail, où l'appareil électrique est alimenté pour procéder à une cuisson.The heating element 10 extends in an extension plane substantially horizontal, in the vicinity of the roof 5 when said heating element 10 is in a working position, where the electrical device is powered to proceed to a cooking.

    Ainsi l'espace situé en dessous de l'élément chauffant 10 définit la zone de cuisson.Thus the space below the heating element 10 defines the area of cooking.

    Selon l'invention, l'une des parois latérales 4 du four possède deux ouvertures 8 par lesquelles l'élément chauffant 10 traverse ladite paroi latérale 4, tel qu'illustré figure 2. Cette paroi latérale peut être complétée par une traverse 6 permettant de rigidifier l'ensemble du four.According to the invention, one of the side walls 4 of the oven has two openings 8 by which the heating element 10 passes through said side wall 4, as as illustrated in FIG. 2. This side wall can be completed by a cross-member 6 to stiffen the entire oven.

    Comme il est bien visible sur la figure 2, l'élément chauffant 10 est disposé en zigzag afin de répartir au mieux la puissance rayonnée.As is clearly visible in FIG. 2, the heating element 10 is arranged in zigzag in order to best distribute the radiated power.

    Les parties de l'élément chauffant situées hors de l'enceinte de cuisson sont désignées par la référence 11 et dénommées parties extrêmes. Par partie extrême, on entend donc ici une portion de l'élément chauffant 10 comportant l'extrémité même de cet élément et une portion de l'élément chauffant s'étendant de l'extrémité de l'élément chauffant jusqu'à la paroi latérale 4, la longueur de cette partie extrême pouvant aller jusqu'à environ 10% de la longueur totale de l'élément chauffant.The parts of the heating element located outside the cooking chamber are designated by the reference 11 and called extreme parts. By part extreme, so here is meant a portion of the heating element 10 comprising the very end of this element and a portion of the heating element extending from the end of the heating element to the side wall 4, the length of this end part which can be up to about 10% of the total length of the heating element.

    Ces deux parties extrêmes de l'élément chauffant sont situées d'un même côté de l'une des deux parois latérales et sensiblement à la même hauteur dans le four. These two end parts of the heating element are located on the same side from one of the two side walls and at substantially the same height in the oven.

    Les extrémités libres de ces parties extrêmes permettent la connexion électrique de l'élément chauffant par l'intermédiaire de cosses de connexion 12 montées sur des bagues de sertissage 14 et reliées au circuit électrique (non représenté) d'alimentation de l'élément chauffant.The free ends of these end parts allow connection electric heating element via connection lugs 12 mounted on crimping rings 14 and connected to the electrical circuit (not shown) supplying the heating element.

    Par ailleurs, sur ces parties extrêmes 11 sont agencés des moyens de rappel élastique 16 de l'élément de chauffe 10 pour lui permettre d'occuper une position horizontale de travail, tout en offrant la possibilité, par sollicitation du moyen élastique 16, de faire pivoter l'élément chauffant 10 afin de nettoyer la voûte ou la sole attenante à l'élément chauffant 10.Furthermore, on these end portions 11 are arranged return means elastic 16 of the heating element 10 to allow it to occupy a horizontal working position, while offering the possibility, by soliciting the elastic means 16, to pivot the heating element 10 in order to clean the vault or floor adjoining the heating element 10.

    Le pivotement de l'élément chauffant 10 est réalisé autour du point d'appui 9 de l'élément chauffant 10 sur la paroi latérale 4 de l'appareil de cuisson, au niveau de l'ouverture 8.The pivoting of the heating element 10 is carried out around the fulcrum 9 of the heating element 10 on the side wall 4 of the cooking appliance, at the level of the opening 8.

    Le moyen de rappel, qui peut être un ressort comme dans l'exemple présenté ou tout autre moyen analogue, comporte, à son extrémité une attache 18. Cette attache peut présenter diverses formes, tel un crochet, un collier, ou une boucle comme présenté dans l'exemple proposé, permettant d'entourer partiellement ou totalement l'élément chauffant 10 tubulaire, sur la partie extrême et selon une section de celui-ci. En complément de cette boucle, la partie extrême de l'élément chauffant 10 présente une excroissance 20 destinée à retenir le moyen de rappel 16 lors du fonctionnement du dispositif.The return means, which can be a spring as in the example presented or any other similar means, comprises, at its end a fastener 18. This fastener can have various shapes, such as a hook, a necklace, or a loop as presented in the proposed example, allowing to surround partially or totally the tubular heating element 10, on the part extreme and according to a section of it. In addition to this loop, the end part of the heating element 10 has a projection 20 intended to retain the return means 16 during operation of the device.

    Cette excroissance peut être obtenue de différentes manières, soit par l'ajout d'un élément venant entourer localement l'élément chauffant, soit par déformation de l'élément chauffant dans la mesure où sa constitution le permet.This outgrowth can be obtained in different ways, either by adding of an element locally surrounding the heating element, either by deformation of the heating element to the extent that its constitution allows.

    Dans l'exemple proposé, l'excroissance de la partie extrême 11 de l'élément chauffant tubulaire est obtenue par matriçage provoquant un aplatissement de l'élément chauffant avec comme conséquence un élargissement, transversal au matriçage, comme il est bien visible sur les figures 3a et 3b. In the example proposed, the projection of the extreme part 11 of the element tubular heater is obtained by stamping causing a flattening of the heating element with consequent widening, transverse to the matrixing, as it is clearly visible in FIGS. 3a and 3b.

    Sur ces figures est également présentée l'âme 22 de l'élément chauffant 10. Lors du matriçage, seule la gaine est légèrement aplatie, afin de ne pas endommager l'âme centrale 22 de l'élément chauffant 10. Cet élément chauffant est préférentiellement du type blindé, c'est-à-dire constitué d'un tube contenant un fil résistif boudiné entouré par de la magnésie.Also shown in these figures is the core 22 of the heating element 10. During stamping, only the sheath is slightly flattened, so as not to damage the central core 22 of the heating element 10. This element is preferably of the shielded type, that is to say made up of a tube containing a coiled resistive wire surrounded by magnesia.

    Ainsi, la boucle 18 du moyen de rappel ne peut coulisser vers le connecteur 12 et ne peut coulisser qu'entre l'excroissance 20 de l'élément chauffant et la paroi latérale 4 de l'appareil de cuisson. Il n'est en effet pas nécessaire d'établir une liaison mécanique fixe entre ces deux éléments, la fonction de rappel pouvant être effectuée avec une latitude assez grande sur le bras de levier utilisé.Thus, the loop 18 of the return means cannot slide towards the connector 12 and can only slide between the projection 20 of the heating element and the wall side 4 of the cooking appliance. There is indeed no need to establish a fixed mechanical connection between these two elements, the recall function being able to be carried out with a fairly large latitude on the lever arm used.

    Cependant, avantageusement, les parties extrêmes 11 de l'élément chauffant 10 peuvent être inclinées vers le moyen de rappel afin que ce dernier soit localisé, par coulissement systématique, contre l'excroissance de l'élément chauffant. Ainsi, le moyen de rappel 16 exerce son effort au même endroit, produisant un couple identique lors des manipulations successives de l'élément chauffant 10 par l'utilisateur. Cette particularité permet d'assurer un positionnement reproductible et systématique de l'élément chauffant dans sa position de travail et assure l'horizontalité dudit élément chauffant.However, advantageously, the end portions 11 of the heating element 10 can be tilted towards the return means so that the latter is localized, by systematic sliding, against the outgrowth of the element heating. Thus, the return means 16 exerts its force in the same place, producing identical torque during successive manipulations of the element heating 10 by the user. This feature ensures a reproducible and systematic positioning of the heating element in its working position and ensures the horizontality of said heating element.

    Un autre avantage à une disposition coudée des parties extrêmes est d'empêcher le glissement de l'élément chauffant 10 par les ouvertures 8 lorsque cet élément chauffant n'est constitué que d'une simple boucle.Another advantage to a bent arrangement of the end parts is prevent sliding of the heating element 10 through the openings 8 when this heating element only consists of a single loop.

    L'élément chauffant peut donc être déplacé ou pivoté vers une position libérant la sole et/ou la voûte pour faciliter son nettoyage, l'angle de pivotement pouvant atteindre 90°.The heating element can therefore be moved or pivoted to a releasing position the floor and / or the vault to facilitate its cleaning, the pivoting angle being able reach 90 °.

    La présente invention peut aussi bien être appliquée à un élément chauffant situé proche de la voûte de l'appareil électrique ou bien situé proche de la sole dudit appareil, l'inversion éventuelle du moyen élastique de rappel 16 permettant d'adapter le montage suivant la position de l'élément chauffant. The present invention can also be applied to a heating element located near the roof of the electrical appliance or else located near the floor of said device, the possible reversal of the elastic return means 16 allowing to adapt the assembly according to the position of the heating element.

    Il est judicieux, lorsque deux éléments chauffants 10 sont utilisés, l'un en voûte, l'autre en sole, de disposer les moyens de rappel de l'un des éléments chauffants sur une paroi latérale, et d'utiliser la paroi latérale opposée pour disposer les moyens de rappel de l'autre élément chauffant. Il est en effet remarquable de constater que seule une paroi latérale est utilisée pour réaliser le pivotement et le rappel d'un élément chauffant.It is advisable, when two heating elements 10 are used, one in the vault, the other in sole, to have the means of recall of one of the elements heaters on one side wall, and use the opposite side wall to arrange the return means of the other heating element. It is indeed remarkable to note that only one side wall is used to realize pivoting and return of a heating element.

    Un autre objet de l'invention est relatif au guidage et maintien de l'élément chauffant 10. En effet, la liberté donnée à l'élément chauffant de pouvoir pivoter afin de se dégager de sa position de travail doit cependant être limitée dans ses débattements latéraux, soit en translation entre les deux parois latérales, par coulissement dans l'ouverture 8 selon la flèche G de la figure 4, soit en rotation perpendiculairement à la rotation autorisée, c'est à dire dans un mouvement entre la paroi arrière du four et la porte avant, selon la flèche F, figure 4.Another object of the invention relates to guiding and holding the element heater 10. Indeed, the freedom given to the heater to be able to pivot in order to free himself from his working position must however be limited in its lateral deflections, either in translation between the two lateral walls, by sliding in the opening 8 along the arrow G in Figure 4, or rotation perpendicular to the authorized rotation, i.e. in a movement between the rear wall of the oven and the front door, according to arrow F, figure 4.

    A cette fin, il peut être prévu, sur les parties extrêmes 11, une excroissance obtenue de façon similaire à l'excroissance 20, c'est à dire par ajout de matière ou par déformation, et localisée sensiblement attenante à la paroi latérale 4, évitant ainsi les mouvements latéraux de l'élément chauffant 10 qui pourraient entraíner des contacts dangereux entre les connecteurs 12 et le bâti de l'appareil.To this end, an outgrowth can be provided on the end portions 11 obtained similarly to the protuberance 20, that is to say by adding material or by deformation, and located substantially adjacent to the side wall 4, thus avoiding lateral movements of the heating element 10 which could cause dangerous contacts between connectors 12 and the frame the device.

    Par extension, ce principe de guidage et de restriction des débattements peut être appliqué à toute résistance pivotante, indépendamment de la présence ou non d'un moyen de rappel, donc indépendamment du problème de la tenue de la boucle de maintien du moyen de rappel, et/ou de la localisation de l'élément chauffant dans l'enceinte du four, en position voûte ou en position sole.By extension, this principle of guiding and restricting travel can be applied to any pivoting resistor, regardless of the presence or not a reminder, so regardless of the problem of keeping the loop for maintaining the return means, and / or for locating the element heating in the oven enclosure, in the top or bottom position.

    Notamment, lorsque l'élément chauffant est en position de sole, il peut ne pas être prévu de moyen de rappel, la gravité se chargeant de rappeler l'élément chauffant en position horizontale lorsqu'il a été dégagé de sa position de travail. In particular, when the heating element is in the sole position, it may not be provided with a reminder, gravity being responsible for recalling the element heating in a horizontal position when it has been released from its working position.

    Une excroissance, telle que l'excroissance 20, judicieusement positionnée, permet alors d'éviter les débattements de l'élément chauffant.A protrusion, such as the appropriately positioned protrusion 20, then avoids the deflection of the heating element.

    Un tel perfectionnement de l'invention est présenté figure 4, par l'excroissance 30 réalisée sur les parties extrêmes 11 de l'élément chauffant 10, proche de la paroi 4. Comme pour la réalisation de l'excroissance 20, l'excroissance 30 peut être obtenue soit par l'ajout d'un élément venant entourer localement l'élément chauffant, soit par déformation de l'élément chauffant, notamment par matriçage.Such an improvement of the invention is presented in FIG. 4, by the projection 30 produced on the end portions 11 of the heating element 10, close to the wall 4. As for the realization of the projection 20, the projection 30 can be obtained either by adding an element locally surrounding the element heating, either by deformation of the heating element, in particular by stamping.

    Avantageusement, cette fonction de maintien latéral de l'élément chauffant 10 peut être combinée à celle de guidage ou de maintien de la boucle 18 du moyen de rappel 16, par une longueur judicieuse des parties extrêmes 11 de l'élément chauffant 10 pour que l'excroissance 30 soit située sensiblement contre la paroi latérale 4. La figure 4 illustre cette réalisation avantageuse où la boucle de maintien 18 du moyen de rappel 16 est localisée entre les excroissances 20 et 30. Ainsi, la boucle 18 ne peut coulisser sur la partie extrême 11 qu'entre les deux excroissances 20 et 30 qui peuvent être suffisamment proches l'une de l'autre pour maintenir, sans jeu le long de l'élément chauffant, la boucle de maintien 18, l'excroissance 30 évitant également les débattements transversaux de l'élément chauffant.Advantageously, this lateral holding function of the heating element 10 can be combined with that of guiding or holding the loop 18 of the return means 16, by a judicious length of the end portions 11 of the heating element 10 so that the projection 30 is located substantially against the side wall 4. FIG. 4 illustrates this advantageous embodiment where the holding loop 18 of the return means 16 is located between the protrusions 20 and 30. Thus, the loop 18 cannot slide on the part extreme 11 only between the two growths 20 and 30 which can be close enough to each other to maintain, without play along the heating element, the holding loop 18, the protrusion 30 avoiding also the transverse deflections of the heating element.

    Selon l'une des formes de réalisation de l'invention, il peut être prévu, sur les parois latérales 4 de l'appareil de cuisson, un moyen de retenue de l'élément chauffant lorsque ce dernier est positionné, par pivotement latéral, hors de sa position de travail. Ces moyens de retenue peuvent être de simples crochets ou des éléments de clipage métallique ou tout autre dispositif analogue. Le nettoyage de la voûte et/ou de la sole s'en trouve alors facilité, l'utilisateur n'ayant pas à tenir l'élément chauffant en position escamotée pour procéder au nettoyage.According to one of the embodiments of the invention, it can be provided, on the side walls 4 of the cooking appliance, a means for retaining the element heating when the latter is positioned, by lateral pivoting, out of its working position. These retaining means can be simple hooks or metal clip elements or any other similar device. The cleaning of the vault and / or the sole is then facilitated, the user not having to hold the heating element in the retracted position to proceed with the cleaning.

    L'appareil de cuisson électrique conforme à la présente invention constitue avantageusement un four, un gril ou un barbecue.The electric cooking appliance according to the present invention constitutes preferably an oven, grill or barbecue.

    Claims (8)

    Appareil électrique de cuisson, comprenant un bâti (3) comportant au moins une paroi de sole et/ou une paroi de voûte (5), au moins une paroi latérale (4), définissant une enceinte de cuisson, au moins un élément chauffant tubulaire (10) agencé dans l'enceinte de cuisson, au voisinage de la voûte et/ou de la sole de l'appareil électrique, ledit élément chauffant (10) pouvant être positionné, par rotation, d'une part dans une position horizontale de travail, et d'autre part dans une position de dégagement par rapport à ladite position de travail, un moyen de rappel élastique (16) disposé entre l'élément chauffant (10) et le bâti (3), et permettant le retour de l'élément chauffant de sa position de dégagement à sa position de travail, caractérisé en ce que ledit élément chauffant (10) comporte deux parties extrêmes (11) dont les extrémités libres sont reliées par des connecteurs (12) à un circuit électrique d'alimentation de l'élément chauffant, lesdites parties extrêmes s'étendant hors de l'enceinte de cuisson par une ouverture (8) pratiquée dans l'une des parois latérales (4) et comportant chacune au moins une excroissance (20) locale susceptible de coopérer avec une attache (18) entourant au moins partiellement l'élément chauffant (10) et ménagée à l'extrémité du moyen de rappel (16), ledit moyen de rappel (16) permettant de maintenir l'élément chauffant (10) dans sa position de travail.Electric cooking appliance, comprising a frame (3) comprising at at least one hearth wall and / or a vault wall (5), at least one wall side (4), defining a cooking enclosure, at least one element tubular heater (10) arranged in the cooking enclosure, in the vicinity of the roof and / or the floor of the electrical appliance, said heating element (10) can be positioned, by rotation, on the one hand in a position horizontal working, and on the other hand in a release position relative to said working position, an elastic return means (16) disposed between the heating element (10) and the frame (3), and allowing the return of the heating element from its release position to its work, characterized in that said heating element (10) comprises two end parts (11) whose free ends are connected by connectors (12) to an electrical circuit supplying the element heating, said end portions extending outside the enclosure of cooking through an opening (8) in one of the side walls (4) and each comprising at least one local protuberance (20) capable of to cooperate with a fastener (18) at least partially surrounding the heating element (10) and formed at the end of the return means (16), said return means (16) making it possible to hold the element heater (10) in its working position. Appareil électrique de cuisson selon la revendication précédente, caractérisé en ce qu'une seconde excroissance (30) est réalisée sur les parties extrêmes (11) de l'élément chauffant (10) de telle sorte que l'attache (18) du moyen de rappel (16) soit localisée entre les excroissances (20, 30) réalisées.Electric cooking appliance according to the preceding claim, characterized in that a second protuberance (30) is produced on the end portions (11) of the heating element (10) so that the clip (18) of the return means (16) is located between the outgrowths (20, 30) produced. Appareil électrique de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'excroissance réalisée ou au moins l'une des excroissances réalisées sur les parties extrêmes (11) de l'élément chauffant (10) est obtenue par matriçage de l'élément chauffant (10) sous une presse.Electric cooking appliance according to one of claims previous, characterized in that the outgrowth produced or at least one of the outgrowths made on the end parts (11) of the heating element (10) is obtained by stamping the heating element (10) under a press. Appareil électrique de cuisson selon l'une des revendications précédentes, caractérisé en ce que les parties extrêmes (11) de l'élément chauffant (10) sont coudées et présentent une inclinaison dirigée vers le moyen de rappel (16).Electric cooking appliance according to one of claims previous, characterized in that the end parts (11) of the element heating elements (10) are bent and have an inclination directed towards the return means (16). Appareil électrique de cuisson, comprenant un bâti (3) comportant au moins une paroi de sole et/ou une paroi de voûte (5), au moins une paroi latérale (4), définissant une enceinte de cuisson, au moins un élément chauffant tubulaire (10) agencé dans l'enceinte de cuisson, au voisinage de la voûte et/ou de la sole de l'appareil électrique, ledit élément chauffant (10) pouvant être positionné, par rotation, d'une part dans une position horizontale de travail, et d'autre part dans une position de dégagement par rapport à ladite position de travail, caractérisé en ce que ledit élément chauffant (10) comporte deux parties extrêmes (11) dont les extrémités libres sont reliées par des connecteurs (12) à un circuit électrique d'alimentation de l'élément chauffant, lesdites parties extrêmes s'étendant hors de l'enceinte de cuisson par une ouverture (8) pratiquée dans l'une des parois latérales (4) et comportant chacune au moins une excroissance (30) sensiblement attenante à la paroi latérale (4) afin de limiter les débattements par rotation et/ou par translation dudit élément chauffant (10).Electric cooking appliance, comprising a frame (3) comprising at at least one hearth wall and / or a vault wall (5), at least one wall side (4), defining a cooking enclosure, at least one element tubular heater (10) arranged in the cooking enclosure, in the vicinity of the roof and / or the floor of the electrical appliance, said heating element (10) can be positioned, by rotation, on the one hand in a position horizontal working, and on the other hand in a release position with respect to said working position, characterized in that said element heater (10) has two end portions (11) whose ends are connected by connectors (12) to an electrical circuit supplying the heating element, said end portions extending outside the cooking chamber by an opening (8) made in one side walls (4) and each comprising at least one projection (30) substantially adjoining the side wall (4) in order to limit the deflections by rotation and / or by translation of said element heating (10). Appareil électrique de cuisson selon l'une des revendications précédentes, caractérisé en ce que le bâti (3) comporte au moins un moyen de maintien destiné à maintenir l'élément chauffant dans une position dégagée de sa position de travail horizontale.Electric cooking appliance according to one of claims previous, characterized in that the frame (3) comprises at least one holding means for holding the heating element in a position cleared from its horizontal working position. Appareil électrique de cuisson selon l'une des revendications précédentes, caractérisé en ce qu'il est constitué par un four électrique. Electric cooking appliance according to one of claims above, characterized in that it is constituted by an electric oven. Appareil électrique de cuisson selon l'une des revendications 1 à 6, caractérisé en ce qu'il est constitué par un gril.Electric cooking appliance according to one of Claims 1 to 6, characterized in that it is constituted by a grill.
    EP00420032A 1999-02-19 2000-02-16 Pivotable heating element for electric cooking apparatus Expired - Lifetime EP1030115B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    EP03010549A EP1336802B1 (en) 1999-02-19 2000-02-16 Pivotable heating element for electric cooking apparatus

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9902258A FR2790066B1 (en) 1999-02-19 1999-02-19 PIVOTING HEATING ELEMENT FOR ELECTRIC HOUSEHOLD APPLIANCES
    FR9902258 1999-02-19

    Related Child Applications (1)

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    EP03010549A Division EP1336802B1 (en) 1999-02-19 2000-02-16 Pivotable heating element for electric cooking apparatus

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    EP1030115A1 true EP1030115A1 (en) 2000-08-23
    EP1030115B1 EP1030115B1 (en) 2003-08-27

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    EP00420032A Expired - Lifetime EP1030115B1 (en) 1999-02-19 2000-02-16 Pivotable heating element for electric cooking apparatus

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    US (1) US6184499B1 (en)
    EP (2) EP1336802B1 (en)
    AT (2) ATE248325T1 (en)
    CA (1) CA2299592A1 (en)
    DE (2) DE60004716T2 (en)
    ES (2) ES2258183T3 (en)
    FR (1) FR2790066B1 (en)

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    Publication number Priority date Publication date Assignee Title
    US7135288B2 (en) * 2002-09-27 2006-11-14 Ut-Battelle, Llc Combinatorial synthesis of ceramic materials
    US6917018B1 (en) * 2002-11-22 2005-07-12 Raymond Electric (China) Ltd. Electric oven with reconfigurable heating elements
    US8631739B2 (en) * 2006-06-22 2014-01-21 Kenyon International, Inc. Grill
    CN201318716Y (en) * 2008-11-11 2009-09-30 漳州灿坤实业有限公司 Electric heating pipe component of grill

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    DE9405786U1 (en) * 1994-04-07 1995-08-03 AEG Hausgeräte GmbH, 90429 Nürnberg Baking and roasting oven muffle with a swiveling tubular radiant heater

    Also Published As

    Publication number Publication date
    EP1336802A3 (en) 2004-09-01
    CA2299592A1 (en) 2000-08-19
    ES2258183T3 (en) 2006-08-16
    EP1336802A2 (en) 2003-08-20
    DE60025854D1 (en) 2006-04-13
    DE60004716T2 (en) 2004-07-01
    DE60004716D1 (en) 2003-10-02
    EP1030115B1 (en) 2003-08-27
    FR2790066B1 (en) 2001-04-06
    EP1336802B1 (en) 2006-02-01
    ES2204475T3 (en) 2004-05-01
    US6184499B1 (en) 2001-02-06
    ATE317095T1 (en) 2006-02-15
    FR2790066A1 (en) 2000-08-25
    DE60025854T2 (en) 2006-08-10
    ATE248325T1 (en) 2003-09-15

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