EP0609161B1 - Control for combined microwave and grill oven - Google Patents

Control for combined microwave and grill oven Download PDF

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Publication number
EP0609161B1
EP0609161B1 EP19940420022 EP94420022A EP0609161B1 EP 0609161 B1 EP0609161 B1 EP 0609161B1 EP 19940420022 EP19940420022 EP 19940420022 EP 94420022 A EP94420022 A EP 94420022A EP 0609161 B1 EP0609161 B1 EP 0609161B1
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EP
European Patent Office
Prior art keywords
grill
chopping
switch
control
magnetron
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EP19940420022
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German (de)
French (fr)
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EP0609161A1 (en
Inventor
Frédéric Plichta
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COUPATAN
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COUPATAN
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/647Aspects related to microwave heating combined with other heating techniques
    • H05B6/6482Aspects related to microwave heating combined with other heating techniques combined with radiant heating, e.g. infrared heating

Definitions

  • the present invention relates to a control of electric microwave oven with built-in grill, according to the preamble to independent claims 1 and 6.
  • microwave ovens that include an additional "grill” function; it is therefore about combined ovens, comprising on the one hand a magnetron for the microwave cooking, and at least one electric heating resistance.
  • the microwave oven is controlled from classic way using an electro-mechanical timer also called “two-axis timer", comprising two buttons rotary of parallel axes, one of which regulates the power, and the other regulates the time of use.
  • the adjustment of the power is achieved by positioning the first button rotatable in one or other of several positions angular, corresponding to a hash different from the power supply of the magnetron (setting the rate of work of the switch feeding the magnetron).
  • document DE-A-3717224 shows an oven control in which a selector single rotary control of multiple electrical contacts allowing to selectively feed the grill or the magnetron, mounted in parallel.
  • This document does not provide no concrete description of the electrical means and control mechanics, and it should be assumed that the components necessary to power the grill are entirely independent of those involved in feeding the magnetron.
  • the command of the "grill" function cannot be done here by through the chopper associated with the magnetron.
  • the device of document DE-A-3717224 contains no timer.
  • EP-A-0489383 describes a control device for a microwave oven with grill incorporated, provided with a general selector controlling two microswitches.
  • This document provides a timer, but it does not indicate any "hash” part. Either way, put share the common selector, the internal controls of "microwave” and “grill” functions remain here too separated.
  • the present invention aims to avoid disadvantages of known embodiments, by providing a simplification and significant savings by removing separate orders and through the use of organs internal components, already existing components for control of the basic function "microwave” being applied here to the control of the "grill” function.
  • the invention relates to an order electric microwave oven with built-in grill such as defined in claim 1.
  • the rotary power selection knob has preferably an angular position itself additional for selecting the "grill" function, corresponding to the position of the internal organ at position adjustable angle for which the latter acts, by its spout on the chopping lever.
  • the "hashing” part is used to selectively control the power supply of the function "grill".
  • the control design according to the invention makes it possible to benefit from the time delay, provided by the "timer” part, when in use of the oven in its "grill” function, so as to control precisely the cooking time.
  • the microwave oven thus has a "grill” function timed ".
  • This embodiment therefore makes it possible to select the "grill” function from a control unit existing manual, and thus the external controls remain extremely simple.
  • this solution particular necessarily puts the magnetron out of service, by interrupting the hash, when the "grill" function is selected.
  • the mobile internal organ is advantageously shaped like a lever mounted to pivot about an axis parallel to the pivot axis of the chopping lever, and able to occupy said three angular positions predetermined, this lever having, on both sides of its pivot axis, two active ends cooperating respectively with the chopping lever and with the second flexible blade.
  • this one can appear as a three-position cursor.
  • Figures 1 and 2 show the front of a microwave, with a door 1 and a side panel of control 2, provided with a rotary button 3 for selecting power, with several angular positions identified, a rotary knob 4 for timer control, and a start button 5.
  • the power selection by button 3 is done by hash, and the timer control button 4 has usually a double scale (expanded scale for short cooking times).
  • the block diagram electric can be that of figure 3, where the mark 6 designates a magnetron for microwave cooking, and the reference 7 designates one or more electrical resistances grill heaters.
  • Magnetron 6 and the electrical resistors 7, as well as a micro-motor electric 8 for the timer drive, are connected in parallel in the same circuit, supplied in its whole via a switch 9 belonging to the "timer” part.
  • the magnetron 6 and the or the heating resistors 7 of the grill are supplied, selectively, by at least one switch 10 belonging to the "hash" part.
  • the chopping switch 10 has a flexible blade 11, movable between a first contact 12 connected to the magnetron 6, and a second contact 13 connected to the resistor (s) 7.
  • the blade 11 has a fixed point of attachment 14, electrically connected to the switch 9.
  • This blade 11 is controlled from rotary knob 3, which includes this effect in addition to the corresponding angular positions at various power levels, an angular position additional GR for controlling the "grill" function (see figure 1).
  • the switch 9 is thus designed as a inverter.
  • FIG. 5 shows a particular embodiment of the chopping switch 10, with its flexible blade 11 one end of which is anchored at a fixed point 14, and whose the free end is here applied against the first contact 12 connected to the magnetron.
  • Switch 10 here comprises an auxiliary flexible blade 18, one of which end is fixed at a point corresponding to the second contact 13, and the other end of which is free but capable of come to bear on a fixed stop 35, form a contact auxiliary 19 which is located opposite the first contact 12, the free end of the blade 11 being placed between the contacts 12 and 19 and able to move between these two contacts.
  • the device also includes, from the point of view mechanical, a member with adjustable angular position 20, mounted rotating around a fixed axis 21 and provided with a central pinion 22, which engages with a sector swivel gear (not shown), itself actuated by via a cam from the rotary knob selection 3.
  • the member 20 cooperates by dogs with a coaxial toothed wheel 23, driven in rotation and suitable for also describe an axial movement against the action of a spring.
  • the toothed wheel 23 forms a cooperating cam with a chopping lever 24, pivotally mounted around a axis 25 close to point 14, the free end of lever 24 being located opposite the blade 11.
  • the member 20 also has a spout 26 itself giving a certain cam profile, the spout 26 being provided to cooperate with lever 24 in a way that will described below.
  • the spout 26 does not intervene and it is the toothed wheel 23 which, according to the angular position of the rotary member 20, acts at each turn by its periphery on lever 24, to alternatively hold the blade 11 on the contact 12 or move it away slightly, and feed it so minced the magnetron, in a classic way, the grill being kept out of service.
  • the oven works like this like a conventional microwave oven, at a power adjusted by rotary knob 3.
  • figure 7 still shows an intermediate position of the blade 11 and lever 24, position in which the blade 11 is separated from contact 12 but remains at a distance from contact 19 (temporary position of non-supply of the magnetron, in "microwave" operating mode with mincing).
  • a stop 35 can ensure the retaining the free end of the auxiliary blade 18, such that in such an intermediate position the auxiliary contact 19 is securely held at distance from the free end of the blade 12.
  • FIG. 2 Figures 2,4,8 and 9, in which it will be now refers to, relate to an order with "built-in selector", in which, as illustrated in particular the block diagram of FIG. 4, the switch 10 of the “chopping" part is double, that is to say that it has two blades 11A and 11B allowing a supply independent of magnetron 6 and of the grill element (s) 7.
  • This switch double 10 is manually controlled from a selector, which in the external presentation particular illustrated by figure 2 is a cursor 29 can be moved between three positions: a "microwave” position MO, a "grill” position GR and a combined position "microwave and grill” marked MO + GR, coupling the two basic "microwave” and "grill” functions for cooking combined.
  • Figure 8 shows a practical realization corresponding, with a housing 17 containing the part "timer” 15 and the “hash” part 16, whose generally known building blocks will not described, the organs corresponding to those previously appointed being designated by the same references.
  • the first flexible blade 11A has a fixed attachment point 14, electrically connected to switch 9 in the "timer” section (see also figure 4).
  • the second flexible blade 11B has a point fixed attachment 13, and a free end situated opposite of that of the first blade 11A. Points 12 and 13 retain their previous meanings, i.e. that these are the fixed contacts of the hash 10, connected respectively to magnetron 6 and to or heating resistors 7.
  • the chopping lever 24, controlled by the wheel toothed 23, acts here only on the first blade 11A, while the member 20 has no spout.
  • Another lever 30 is provided, pivotally mounted. around an axis 31 parallel to the pivot axis 25 of the chopping lever 24.
  • the lever 30 is controlled from of the cursor 29.
  • This lever 30 has a first end 32 and a second end 33, located on either side of its pivot axis 31.
  • the lever 30 In a first position (figure 8), the lever 30 is oriented so that it does not act on any of the two blades 11A and 11B. The free ends of both blades 11A and 11B thus remain applied one against the other the other, and these blades make an electrical connection between points 13 and 14.
  • the "grill” function is thus powered.
  • the first blade 11A comes to bear on contact 12, and it deviates from it periodically at rhythm imposed by the control of the chopping lever 24 by the wheel 20.
  • the "microwave” function is thus supplied, simultaneously with the "grill” function but with the effect of hash.
  • FIGs 11 and 12 partially show a variant, functionally equivalent to ordering with "timed grill” function according to Figures 5 to 7, but comprising in the "chopping" part 16 a switch 10 which has a single flexible blade 11, the auxiliary blade being deleted.
  • the single blade 11 has one end anchored at a fixed point 14, electrically connected to the switch in the "timer” section.
  • the free end of the blade 11 is movable between a first fixed contact 12, connected to the magnetron, and a second fixed contact 13, connected to or resistance to the grill.
  • This variant materializes so exactly the block diagram of figure 3, with reversing switch.
  • Figure 11 illustrates the position operating mode "microwave”, for which the lever hash 24 is not moved by the spout 26 of the member 20, so that the blade 11 remains raised and cooperates with contact 12.
  • Figure 12 illustrates the position of "grill” operation, for which the chopping lever 24, moved by the spout 26, lowers the blade 11, spreading it so from contact 12 and pressing it against the other contact 13.
  • FIGs 13 and 14 partially represent another variant, functionally equivalent to the control with "timed grill” function according to the figures 5 to 7, but comprising in the "chopping” part 16 a switch 10 somewhat modified.
  • Switch 10 here again comprises a main blade 11 and a blade auxiliary 18, but the mechanical supports are different.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Description

La présente invention concerne une commande de four électrique à micro-ondes avec gril incorporé, selon le préambule des revendications indépendantes 1 et 6.The present invention relates to a control of electric microwave oven with built-in grill, according to the preamble to independent claims 1 and 6.

On connaít les fours à micro-ondes qui comportent une fonction supplémentaire "gril" ; il s'agit donc de fours combinés, comprenant d'une part un magnétron pour la cuisson par micro-ondes, et d'autre part au moins une résistance électrique chauffante.We know microwave ovens that include an additional "grill" function; it is therefore about combined ovens, comprising on the one hand a magnetron for the microwave cooking, and at least one electric heating resistance.

La commande d'un four à micro-ondes s'effectue de façon classique à l'aide d'une minuterie électro-mécanique dite aussi "minuterie deux axes", comprenant deux boutons rotatifs d'axes parallèles dont l'un règle la puissance, et l'autre règle le temps d'utilisation. Le réglage de la puissance est réalisé en positionnant le premier bouton rotatif sur l'une ou l'autre de plusieurs positions angulaires, correspondant à un hachage différent de l'alimentation électrique du magnétron (réglage du taux de travail de l'interrupteur alimentant le magnétron).The microwave oven is controlled from classic way using an electro-mechanical timer also called "two-axis timer", comprising two buttons rotary of parallel axes, one of which regulates the power, and the other regulates the time of use. The adjustment of the power is achieved by positioning the first button rotatable in one or other of several positions angular, corresponding to a hash different from the power supply of the magnetron (setting the rate of work of the switch feeding the magnetron).

Dans le cas de l'adjonction de la fonction "gril", on prévoit actuellement des composants externes et internes supplémentaires, tels qu'interrupteurs, spécialement affectés à la commande de cette fonction, ce qui augmente la complexité et le coût de l'ensemble.In the case of adding the "grill" function, we are currently planning external components and additional internals, such as switches, specially assigned to the control of this function, this which increases the complexity and the cost of the whole.

Des exemples de commandes de four électrique à micro-ondes avec fonction supplémentaire "gril" sont donnés par les documents DE-A-3717224, EP-A-0213442 et EP-A-0489383.Examples of electric oven controls at microwave with additional "grill" function are given by documents DE-A-3717224, EP-A-0213442 and EP-A-0489383.

Plus particulièrement, le document DE-A-3717224 montre une commande de four dans laquelle un sélecteur rotatif unique commande de multiples contacts électriques permettant d'alimenter sélectivement le gril ou le magnétron, montés en parallèle. Ce document ne fournit aucune description concrète des moyens électriques et mécaniques de la commande, et il y a lieu de supposer que les composants nécessaires à l'alimentation du gril sont entièrement indépendants de ceux intervenant pour l'alimentation du magnétron. En particulier, la commande de la fonction "gril" ne saurait être ici faite par l'intermédiaire du hacheur associé au magnétron. De plus, le dispositif du document DE-A-3717224 ne comporte aucune minuterie.More particularly, document DE-A-3717224 shows an oven control in which a selector single rotary control of multiple electrical contacts allowing to selectively feed the grill or the magnetron, mounted in parallel. This document does not provide no concrete description of the electrical means and control mechanics, and it should be assumed that the components necessary to power the grill are entirely independent of those involved in feeding the magnetron. In particular, the command of the "grill" function cannot be done here by through the chopper associated with the magnetron. Moreover, the device of document DE-A-3717224 contains no timer.

Le document EP-A-0489383 précité décrit un dispositif de commande d'un four à micro-ondes avec gril incorporé, pourvu d'un sélecteur général commandant deux microrupteurs. Ce document prévoit une minuterie, mais il n'indique aucune partie "hachage". De toute façon, mis à part le sélecteur commun, les commandes internes des fonctions "micro-ondes" et "gril" restent ici aussi séparées.The aforementioned document EP-A-0489383 describes a control device for a microwave oven with grill incorporated, provided with a general selector controlling two microswitches. This document provides a timer, but it does not indicate any "hash" part. Either way, put share the common selector, the internal controls of "microwave" and "grill" functions remain here too separated.

La présente invention vise à éviter les inconvénients des réalisations connues, en apportant une simplification et une économie notables par la suppression des commandes séparées et par l'utilisation d'organes internes communs, des composants déjà existants pour la commande de la fonction de base "micro-ondes" étant appliqués ici à la commande de la fonction "gril".The present invention aims to avoid disadvantages of known embodiments, by providing a simplification and significant savings by removing separate orders and through the use of organs internal components, already existing components for control of the basic function "microwave" being applied here to the control of the "grill" function.

A cet effet, selon un premier aspect, l'invention a pour objet une commande de four électrique à micro-ondes avec grill incorporé telle que définie dans la revendication 1. To this end, according to a first aspect, the invention relates to an order electric microwave oven with built-in grill such as defined in claim 1.

Dans ce cas, le bouton rotatif de sélection de puissance possède de préférence lui-même une position angulaire supplémentaire pour la sélection de la fonction "gril", correspondant à la position de l'organe interne à position angulaire réglable pour laquelle ce dernier agit, par son bec, sur le levier de hachage.In this case, the rotary power selection knob has preferably an angular position itself additional for selecting the "grill" function, corresponding to the position of the internal organ at position adjustable angle for which the latter acts, by its spout on the chopping lever.

Ainsi, la partie "hachage" est mise à profit pour commander sélectivement l'alimentation de la fontion "gril". De plus, la conception de la commande selon l'invention permet de bénéficier de la temporisation, procurée par la partie "minuterie", lors de l'utilisation du four dans sa fonction "gril", de manière à contrôler avec précision le temps de cuisson. En d'autres termes, le four à micro-ondes comporte ainsi une fonction "gril temporisé".Thus, the "hashing" part is used to selectively control the power supply of the function "grill". In addition, the control design according to the invention makes it possible to benefit from the time delay, provided by the "timer" part, when in use of the oven in its "grill" function, so as to control precisely the cooking time. In other words, the microwave oven thus has a "grill" function timed ".

Ce mode de réalisation permet donc de sélectionner la fonction "gril" à partir d'un organe de commande manuelle existant, et ainsi les commandes extérieures restent extrêmement simples. Toutefois, cette solution particulière met nécessairement le magnétron hors service, en interrompant le hachage, lorsque la fonction "gril" est sélectionnée.This embodiment therefore makes it possible to select the "grill" function from a control unit existing manual, and thus the external controls remain extremely simple. However, this solution particular necessarily puts the magnetron out of service, by interrupting the hash, when the "grill" function is selected.

Dans le cadre de la présente invention, on propose aussi un autre mode de réalisation dit à "sélecteur incorporé", relevant du même concept mais rendant possible un fonctionnement simultané "micro-ondes" et "gril", moyennant un organe de sélection supplémentaire qui permet de commander ces fonctions séparément ou de les coupler pour une cuisson combinée, en conservant alors pour la fonction "micro-ondes" (utilisée seule ou simultanément au gril) la faculté de réglage de puissance par hachage.In the context of the present invention, it is proposed also another embodiment said to "selector incorporated ", from the same concept but making it possible simultaneous "microwave" and "grill" operation, by means of an additional selection body which allows to control these functions separately or to couple them for combined cooking, keeping for "microwave" function (used alone or simultaneously with grill) the power setting power by chopping.

Ce mode de réalisation alternatif est défini dans la revendication 6. This alternative embodiment is defined in claim 6.

L'organe interne mobile est avantageusement conformé en levier monté pivotant, autour d'un axe parallèle à l'axe de pivotement du levier de hachage, et apte à occuper lesdites trois positions angulaires prédéterminées, ce levier possédant, de part et d'autre de son axe de pivotement, deux extrémités actives coopérant respectivement avec le levier de hachage et avec la seconde lame flexible. Quant au sélecteur manuel, celui-ci peut se présenter comme un curseur à trois positions.The mobile internal organ is advantageously shaped like a lever mounted to pivot about an axis parallel to the pivot axis of the chopping lever, and able to occupy said three angular positions predetermined, this lever having, on both sides of its pivot axis, two active ends cooperating respectively with the chopping lever and with the second flexible blade. As for the manual selector, this one can appear as a three-position cursor.

De toute façon, l'invention sera mieux comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemples, quelques formes d'exécution de cette commande de four électrique à micro-ondes avec gril incorporé :

  • Figure 1 est une vue extérieure de face d'un four à micro-ondes équipé d'une commande conforme à la présente invention avec fonction "gril temporisé" ;
  • Figure 2 est une vue similaire à la figure 1, montrant un four à micro-ondes pourvu d'une commande avec fonction "sélecteur incorporé" ;
  • Figures 3 et 4 sont des schémas électriques de principe du four et de sa commande, correspondant respectivement aux réalisations des figures 1 et 2 ;
  • Figure 5 est une vue détaillée intérieure d'une commande avec fonction "gril temporisé", en position "micro-ondes" ;
  • Figure 6 est une vue partielle de la commande de figure 5, en position "gril" ;
  • Figure 7 est une vue similaire à figure 6, illustrant une position intermédiaire ;
  • Figure 8 est une vue détaillée intérieure d'une commande avec fonction "sélecteur incorporé", en position "micro-ondes + gril" ;
  • Figure 9 est une vue partielle de la commande de figure 8, en position "micro-ondes" ;
  • Figure 10 est une vue similaire à figure 9, montrant la position "gril" ;
  • Figure 11 est une vue intérieure partielle d'une première variante de la commande avec fonction "gril temporisé", en position "micro-ondes" ;
  • Figure 12 est une vue de la commande de figure 11 en position "gril" ;
  • Figure 13 est une vue, similaire aux précédentes, d'une autre variante de la commande avec fonction "gril temporisé", en position "micro-ondes" ;
  • Figure 14 est une vue de la commande de figure 13 en position "gril".
  • In any case, the invention will be better understood with the aid of the description which follows, with reference to the appended schematic drawing showing, by way of examples, some embodiments of this control of an electric microwave oven with built-in grill:
  • Figure 1 is an external front view of a microwave oven equipped with a control according to the present invention with "timed grill"function;
  • Figure 2 is a view similar to Figure 1, showing a microwave oven provided with a control with "built-in selector"function;
  • Figures 3 and 4 are block diagrams of the oven and its control, corresponding respectively to the embodiments of Figures 1 and 2;
  • Figure 5 is a detailed interior view of a control with "timed grill" function, in the "microwave"position;
  • Figure 6 is a partial view of the control of Figure 5, in the "grill"position;
  • Figure 7 is a view similar to Figure 6, illustrating an intermediate position;
  • Figure 8 is a detailed interior view of a control with "built-in selector" function, in the "microwave + grill"position;
  • Figure 9 is a partial view of the control of Figure 8, in the "microwave"position;
  • Figure 10 is a view similar to Figure 9, showing the "grill"position;
  • Figure 11 is a partial interior view of a first variant of the control with "timed grill" function, in the "microwave"position;
  • Figure 12 is a view of the Figure 11 control in the "grill"position;
  • Figure 13 is a view, similar to the previous ones, of another variant of the control with "timed grill" function, in the "microwave"position;
  • Figure 14 is a view of the control of Figure 13 in the "grill" position.
  • Les figures 1 et 2 montrent la façade d'un four à micro-ondes, avec une porte 1 et un bandeau latéral de commande 2, muni d'un bouton rotatif 3 de sélection de puissance, avec plusieurs positions angulaires repérées, d'un bouton rotatif 4 de commande de minuterie, et d'une touche de mise en marche 5. D'une manière connue, la sélection de puissance par le bouton 3 se fait par hachage, et le bouton 4 de commande de minuterie comporte généralement une double échelle (échelle dilatée pour les temps de cuisson courts).Figures 1 and 2 show the front of a microwave, with a door 1 and a side panel of control 2, provided with a rotary button 3 for selecting power, with several angular positions identified, a rotary knob 4 for timer control, and a start button 5. In a known manner, the power selection by button 3 is done by hash, and the timer control button 4 has usually a double scale (expanded scale for short cooking times).

    Dans le cas présent, il s'agit d'un four à micro-ondes avec gril incorporé, dont le schéma de principe électrique peut être celui de la figure 3, où le repère 6 désigne un magnétron pour la cuisson par micro-ondes, et le repère 7 désigne une ou des résistances électriques chauffantes du gril. Le magnétron 6 et la ou les résistances électriques 7, de même qu'un micro-moteur électrique 8 pour l'entraínement de la minuterie, sont montés en parallèle dans un même circuit, alimenté dans son ensemble par l'intermédiaire d'un interrupteur 9 appartenant à la partie "minuterie". Le magnétron 6 et la ou les résistances chauffantes 7 du gril sont alimentés, de façon sélective, par au moins un interrupteur 10 appartenant à la partie "hachage". In this case, it is a microwave oven with built-in grill, including the block diagram electric can be that of figure 3, where the mark 6 designates a magnetron for microwave cooking, and the reference 7 designates one or more electrical resistances grill heaters. Magnetron 6 and the electrical resistors 7, as well as a micro-motor electric 8 for the timer drive, are connected in parallel in the same circuit, supplied in its whole via a switch 9 belonging to the "timer" part. The magnetron 6 and the or the heating resistors 7 of the grill are supplied, selectively, by at least one switch 10 belonging to the "hash" part.

    Selon le schéma de principe de la figure 3, l'interrupteur de hachage 10 possède une lame flexible 11, mobile entre un premier contact 12 relié au magnétron 6, et un second contact 13 relié à la ou aux résistances chauffantes 7. La lame 11 possède un point fixe d'attache 14, relié électriquement à l'interrupteur 9. Cette lame 11 est commandée à partir du bouton rotatif 3, qui comporte à cet effet, en plus des positions angulaires correspondant aux divers niveaux de puissance, une position angulaire supplémentaire GR de commande de la fonction "gril" (voir figure 1). L'interrupteur 9 est ainsi conçu comme un inverseur.According to the block diagram in Figure 3, the chopping switch 10 has a flexible blade 11, movable between a first contact 12 connected to the magnetron 6, and a second contact 13 connected to the resistor (s) 7. The blade 11 has a fixed point of attachment 14, electrically connected to the switch 9. This blade 11 is controlled from rotary knob 3, which includes this effect in addition to the corresponding angular positions at various power levels, an angular position additional GR for controlling the "grill" function (see figure 1). The switch 9 is thus designed as a inverter.

    Une réalisation pratique correspondante de la commande est illustrée par la figure 5, dont la moitié supérieure montre la partie "minuterie" connue en soi, qui est désignée par la référence générale 15 et ne sera pas décrite ici plus en détail. Dans la moitié inférieure de la figure 5 apparaít la partie "hachage" 16 adaptée pour réaliser la fonction supplémentaire "gril temporisé". L'ensemble est logé dans un boítier 17, lui-même placé à l'intérieur du four en arrière du bandeau de commande 2.A corresponding practical realization of the control is illustrated in Figure 5, half of which upper part shows the "timer" part known per se, which is designated by the general reference 15 and will not be described here in more detail. In the lower half of Figure 5 appears the "chopping" part 16 adapted for carry out the additional function "timed grill". The assembly is housed in a housing 17, itself placed at inside the oven behind the control panel 2.

    La figure 5 montre une réalisation particulière de l'interrupteur de hachage 10, avec sa lame flexible 11 dont une extrémité est ancrée en un point fixe 14, et dont l'extrémité libre se trouve ici appliquée contre le premier contact 12 relié au magnétron. L'interrupteur 10 comprend ici une lame flexible auxiliaire 18, dont une extrémité est fixée en un point correspondant au second contact 13, et dont l'autre extrémité, libre mais pouvant venir en appui sur une butée fixe 35, forme un contact auxiliaire 19 qui se situe en regard du premier contact 12, l'extrémité libre de la lame 11 étant placée entre les contacts 12 et 19 et pouvant se déplacer entre ces deux contacts.Figure 5 shows a particular embodiment of the chopping switch 10, with its flexible blade 11 one end of which is anchored at a fixed point 14, and whose the free end is here applied against the first contact 12 connected to the magnetron. Switch 10 here comprises an auxiliary flexible blade 18, one of which end is fixed at a point corresponding to the second contact 13, and the other end of which is free but capable of come to bear on a fixed stop 35, form a contact auxiliary 19 which is located opposite the first contact 12, the free end of the blade 11 being placed between the contacts 12 and 19 and able to move between these two contacts.

    Le dispositif comprend encore, du point de vue mécanique, un organe à position angulaire réglable 20, monté tournant autour d'un axe fixe 21 et pourvu d'un pignon central 22, lequel vient en prise avec un secteur denté pivotant (non représenté), lui-même actionné par l'intermédiaire d'une came à partir du bouton rotatif de sélection 3. L'organe 20 coopère par des crabots avec une roue dentée 23 coaxiale, entraínée en rotation et apte à décrire aussi un mouvement axial à l'encontre de l'action d'un ressort. La roue dentée 23 forme une came qui coopère avec un levier de hachage 24, monté pivotant autour d'un axe 25 proche du point 14, l'extrémité libre du levier 24 étant située en regard de la lame 11.The device also includes, from the point of view mechanical, a member with adjustable angular position 20, mounted rotating around a fixed axis 21 and provided with a central pinion 22, which engages with a sector swivel gear (not shown), itself actuated by via a cam from the rotary knob selection 3. The member 20 cooperates by dogs with a coaxial toothed wheel 23, driven in rotation and suitable for also describe an axial movement against the action of a spring. The toothed wheel 23 forms a cooperating cam with a chopping lever 24, pivotally mounted around a axis 25 close to point 14, the free end of lever 24 being located opposite the blade 11.

    L'organe 20 comporte encore un bec 26 lui conférant un certain profil de came, le bec 26 étant prévu pour coopérer avec le levier 24 d'une manière qui sera décrite plus bas.The member 20 also has a spout 26 itself giving a certain cam profile, the spout 26 being provided to cooperate with lever 24 in a way that will described below.

    Dans la position illustrée par la figure 5, le bec 26 n'intervient pas et c'est la roue dentée 23 qui, selon la position angulaire de l'organe rotatif 20, agit à chaque tour par sa périphérie sur le levier 24, pour alternativement maintenir la lame 11 sur le contact 12 ou l'en écarter légèrement, et alimenter ainsi de façon hachée le magnétron, d'une manière classique, le gril étant maintenu hors service. Le four fonctionne ainsi comme un four à micro-ondes classique, à une puissance réglée par le bouton rotatif 3.In the position illustrated in Figure 5, the spout 26 does not intervene and it is the toothed wheel 23 which, according to the angular position of the rotary member 20, acts at each turn by its periphery on lever 24, to alternatively hold the blade 11 on the contact 12 or move it away slightly, and feed it so minced the magnetron, in a classic way, the grill being kept out of service. The oven works like this like a conventional microwave oven, at a power adjusted by rotary knob 3.

    En amenant le bouton rotatif de sélection 3 sur la position GR, l'utilisateur fait tourner l'organe 20 de telle sorte que le bec 26 de son profil de came vient pousser plus fortement sur un bossage 27 du levier de hachage 24, lequel s'applique alors en permanence sur la lame 11. L'extrémité libre de cette lame 11 se sépare ainsi du contact 12, et vient en appui contre le contact auxiliaire 19 porté par la lame auxiliaire 18. Une liaison électrique est établie entre le point 14 et le contact 13, de sorte que la ou les résistances du gril sont alimentées - voir figure 6. Simultanément, le magnétron est mis hors service, la fonction "hachage" étant neutralisée, compte tenu de la position imposée au levier 24. La durée d'alimentation de la ou des résistances est contrôlée par la partie "minuterie" 15, et le four est ainsi utilisé en "gril temporisé".By bringing the rotary selector 3 to the position GR, the user rotates the member 20 by so that the spout 26 of its cam profile comes push more strongly on a boss 27 of the lever hash 24, which is then permanently applied to the blade 11. The free end of this blade 11 separates thus of the contact 12, and bears against the contact auxiliary 19 carried by the auxiliary blade 18. A connection electrical is established between point 14 and contact 13, so the grill element (s) are powered - see Figure 6. Simultaneously, the magnetron is deactivated, the "hash" function being neutralized, taking into account the position imposed on the lever 24. The supply duration of the resistor (s) is controlled by the "timer" part 15, and the oven is thus used in "timed grill".

    Pour une explication plus complète, la figure 7 montre encore une position intermédiaire de la lame 11 et du levier 24, position dans laquelle la lame 11 est séparée du contact 12 mais reste à distance du contact 19 (position temporaire de non-alimentation du magnétron, en mode de fonctionnement "micro-ondes" avec hachage). On notera que, si nécessaire, une butée 35 peut assurer la retenue de l'extrémité libre de la lame auxiliaire 18, de telle sorte que dans une telle position intermédiaire, le contact auxiliaire 19 soit maintenu de façon certaine à distance de l'extrémité libre de la lame 12.For a more complete explanation, figure 7 still shows an intermediate position of the blade 11 and lever 24, position in which the blade 11 is separated from contact 12 but remains at a distance from contact 19 (temporary position of non-supply of the magnetron, in "microwave" operating mode with mincing). We note that, if necessary, a stop 35 can ensure the retaining the free end of the auxiliary blade 18, such that in such an intermediate position the auxiliary contact 19 is securely held at distance from the free end of the blade 12.

    Les figures 2,4,8 et 9, auxquelles il sera maintenant fait référence, concernent une commande avec "sélecteur incorporé", dans laquelle, comme l'illustre notamment le schéma de principe de la figure 4, l'interrupteur 10 de la partie "hachage" est double, c'est-à-dire qu'il comporte deux lames 11A et 11B permettant une alimentation indépendante du magnétron 6 et de la ou des résistances 7 du gril. Cet interrupteur double 10 est commandé manuellement à partir d'un sélecteur, qui dans la présentation extérieure particulière illustrée par la figure 2 est un curseur 29 déplaçable entre trois positions : une position "micro-ondes" MO, une position "gril" GR et une position combinée "micro-ondes et gril" repérée MO+GR, couplant les deux fonctions de base "micro-ondes" et "gril" pour une cuisson combinée.Figures 2,4,8 and 9, in which it will be now refers to, relate to an order with "built-in selector", in which, as illustrated in particular the block diagram of FIG. 4, the switch 10 of the "chopping" part is double, that is to say that it has two blades 11A and 11B allowing a supply independent of magnetron 6 and of the grill element (s) 7. This switch double 10 is manually controlled from a selector, which in the external presentation particular illustrated by figure 2 is a cursor 29 can be moved between three positions: a "microwave" position MO, a "grill" position GR and a combined position "microwave and grill" marked MO + GR, coupling the two basic "microwave" and "grill" functions for cooking combined.

    La figure 8 montre une réalisation pratique correspondante, avec un boítier 17 renfermant la partie "minuterie" 15 et la partie "hachage" 16, dont les éléments constitutifs généralement connus ne seront pas décrits, les organes correspondant à ceux précédemment nommés étant désignés par les mêmes repères.Figure 8 shows a practical realization corresponding, with a housing 17 containing the part "timer" 15 and the "hash" part 16, whose generally known building blocks will not described, the organs corresponding to those previously appointed being designated by the same references.

    Considérant plus particulièrement l'interrupteur 10 de la partie "hachage", la première lame flexible 11A possède un point d'attache fixe 14, relié électriquement à l'interrupteur 9 de la partie "minuterie" (voir aussi figure 4). La seconde lame flexible 11B possède un point d'attache fixe 13, et une extrémité libre située en regard de celle de la première lame 11A. Les points 12 et 13 conservent leurs significations précédentes, c'est-à-dire qu'il s'agit des contacts fixes de l'interrupteur de hachage 10, reliés respectivement au magnétron 6 et à la ou aux résistances chauffantes 7.Considering more particularly the switch 10 of the "chopping" part, the first flexible blade 11A has a fixed attachment point 14, electrically connected to switch 9 in the "timer" section (see also figure 4). The second flexible blade 11B has a point fixed attachment 13, and a free end situated opposite of that of the first blade 11A. Points 12 and 13 retain their previous meanings, i.e. that these are the fixed contacts of the hash 10, connected respectively to magnetron 6 and to or heating resistors 7.

    Le levier de hachage 24, commandé par la roue dentée 23, agit ici seulement sur la première lame 11A, tandis que l'organe 20 est dépourvu de bec.The chopping lever 24, controlled by the wheel toothed 23, acts here only on the first blade 11A, while the member 20 has no spout.

    Il est prévu un autre levier 30, monté pivotant autour d'un axe 31 parallèle à l'axe de pivotement 25 du levier de hachage 24. Le levier 30 est commandé à partir du curseur 29. Ce levier 30 possède une première extrémité 32 et une seconde extrémité 33, situées de part et d'autre de son axe de pivotement 31.Another lever 30 is provided, pivotally mounted. around an axis 31 parallel to the pivot axis 25 of the chopping lever 24. The lever 30 is controlled from of the cursor 29. This lever 30 has a first end 32 and a second end 33, located on either side of its pivot axis 31.

    Dans une première position (figure 8), le levier 30 est orienté de telle sorte qu'il n'agit sur aucune des deux lames 11A et 11B. Les extrémités libres des deux lames 11A et 11B restent ainsi appliquées l'une contre l'autre, et ces lames établissent une liaison électrique entre les points 13 et 14. La fonction "gril" est ainsi alimentée. En outre, la première lame 11A vient en appui sur le contact 12, et elle s'en écarte périodiquement au rythme imposé par la commande du levier de hachage 24 par la roue 20. La fonction "micro-ondes" est ainsi alimentée, simultanément à la fonction "gril" mais avec effet de hachage.In a first position (figure 8), the lever 30 is oriented so that it does not act on any of the two blades 11A and 11B. The free ends of both blades 11A and 11B thus remain applied one against the other the other, and these blades make an electrical connection between points 13 and 14. The "grill" function is thus powered. In addition, the first blade 11A comes to bear on contact 12, and it deviates from it periodically at rhythm imposed by the control of the chopping lever 24 by the wheel 20. The "microwave" function is thus supplied, simultaneously with the "grill" function but with the effect of hash.

    Lorsque le levier 30 est relevé, comme montré sur la figure 9, son extrémité inférieure 33 vient abaisser la seconde lame 11B, qui s'écarte ainsi de la première lame 11A. La liaison électrique entre les points 13 et 14 se trouve ainsi interrompue et la fonction "gril" n'est plus alimentée. Par contre, la première lame 11A reste en appui sur le contact 12, et s'en écarte seulement sous l'action du levier de hachage 24 commandé par la roue 20. Seule la fonction "micro-ondes" est ainsi alimentée.When the lever 30 is raised, as shown in Figure 9, its lower end 33 lowers the second blade 11B, which thus deviates from the first blade 11A. The electrical connection between points 13 and 14 is is thus interrupted and the "grill" function is no longer powered. On the other hand, the first blade 11A remains in support on contact 12, and only deviates from it under action of the chopping lever 24 controlled by the wheel 20. Only the "microwave" function is thus supplied.

    Enfin, lorsque le levier 30 est basculé, comme montré sur la figure 10, son extrémité 33 libère de nouveau la seconde lame 11B, mais son autre extrémité 32 vient appuyer sur le levier de hachage 24, qui lui-même provoque alors l'abaissement de la première lame 11A, l'écartant ainsi du contact 12. La fonction "micro-ondes" est alors mise hors service. Par contre, les extrémités libres des deux lames 11A et 11b sont maintenues en appui l'une contre l'autre, ce qui établit entre les points 13 et 14 une liaison électrique alimentant la fonction "gril".Finally, when the lever 30 is tilted, as shown in Figure 10, its end 33 releases again the second blade 11B, but its other end 32 presses on the chopping lever 24, which itself then causes the lower blade 11A to lower, thus removing it from contact 12. The "microwave" function is then taken out of service. However, the ends free of the two blades 11A and 11b are held in abutment one against the other, which establishes between points 13 and 14 an electrical connection supplying the function "grill".

    On comprend donc que les trois positions de fonctionnement, qui viennent d'être successivement décrites en référence aux figures 8, 9 et 10, correspondent respectivement aux positions MO + GR, MO et GR du curseur 29. La liaison entre le curseur 29 et le levier interne 30 est réalisable par tout moyen mécanique, capable de convertir le mouvement de translation du curseur 29 en un mouvement de rotation du levier 30.We therefore understand that the three positions of functioning, which have just been successively described with reference to FIGS. 8, 9 and 10, correspond respectively to the positions MO + GR, MO and GR of cursor 29. The link between cursor 29 and the internal lever 30 is achievable by any mechanical means, able to convert the translational movement of the cursor 29 in a rotation movement of lever 30.

    Les figures 11 et 12 montrent partiellement une variante, équivalente fonctionnellement à la commande avec fonction "gril temporisé" selon les figures 5 à 7, mais comportant dans la partie "hachage" 16 un interrupteur 10 qui possède une seule lame flexible 11, la lame auxiliaire étant supprimée. La lame unique 11 possède une extrémité ancrée en un point fixe 14, relié électriquement à l'interrupteur de la partie "minuterie". L'extrémité libre de la lame 11 est mobile entre un premier contact fixe 12, relié au magnétron, et un second contact fixe 13, relié à la ou aux résistances du gril. Cette variante concrétise donc exactement le schéma de principe de la figure 3, avec interrupteur inverseur. La figure 11 illustre la position de fonctionnement "micro-ondes", pour laquelle le levier de hachage 24 n'est pas déplacé par le bec 26 de l'organe 20, si bien que la lame 11 reste relevée et coopère avec le contact 12. La figure 12 illustre la position de fonctionnement "gril", pour laquelle le levier de hachage 24, déplacé par le bec 26, abaisse la lame 11, l'écartant ainsi du contact 12 et l'appliquant contre l'autre contact 13.Figures 11 and 12 partially show a variant, functionally equivalent to ordering with "timed grill" function according to Figures 5 to 7, but comprising in the "chopping" part 16 a switch 10 which has a single flexible blade 11, the auxiliary blade being deleted. The single blade 11 has one end anchored at a fixed point 14, electrically connected to the switch in the "timer" section. The free end of the blade 11 is movable between a first fixed contact 12, connected to the magnetron, and a second fixed contact 13, connected to or resistance to the grill. This variant materializes so exactly the block diagram of figure 3, with reversing switch. Figure 11 illustrates the position operating mode "microwave", for which the lever hash 24 is not moved by the spout 26 of the member 20, so that the blade 11 remains raised and cooperates with contact 12. Figure 12 illustrates the position of "grill" operation, for which the chopping lever 24, moved by the spout 26, lowers the blade 11, spreading it so from contact 12 and pressing it against the other contact 13.

    Les figures 13 et 14 représentent partiellement une autre variante, équivalente fonctionnellement à la commande avec fonction "gril temporisé" selon les figures 5 à 7, mais comportant dans la partie "hachage" 16 un interrupteur 10 quelque peu modifié. L'interrupteur 10 comprend ici encore une lame principale 11 et une lame auxiliaire 18, mais les appuis mécaniques sont différents. En particulier, il est prévu sous la lame auxiliaire 18 un point d'appui intermédiaire 34, pouvant être constitué par un bossage intérieur formé sur le boítier 17. La flexion de la lame auxiliaire 18 s'effectue sur le point d'appui intermédiaire 34, lors du passage de la position "micro-ondes" (figure 13) à la position "gril" (figure 14).Figures 13 and 14 partially represent another variant, functionally equivalent to the control with "timed grill" function according to the figures 5 to 7, but comprising in the "chopping" part 16 a switch 10 somewhat modified. Switch 10 here again comprises a main blade 11 and a blade auxiliary 18, but the mechanical supports are different. In particular, there is provided under the auxiliary blade 18 a intermediate support point 34, which may be constituted by an inner boss formed on the housing 17. The bending of the auxiliary blade 18 takes place on the fulcrum intermediate 34, when passing from the "microwave" position (figure 13) in the "grill" position (figure 14).

    L'on pourrait envisager encore d'autres variantes, en ce qui concerne la configuration de l'interrupteur de la partie "hachage", qu'il s'agisse d'une commande avec fonction "gril temporisé" ou d'une commande avec fonction "sélecteur incorporé". Par ailleurs, dans le cas de la commande avec fonction "sélecteur incorporé", le sélecteur manuel est réalisable non seulement comme un curseur à mouvement linéaire, mais encore sous la forme d'un sélecteur rotatif, ou bien sous la forme d'un sélecteur à touches, les dispositions extérieures illustrées par les figures 1 et 2 n'étant évidemment pas limitatives et ne constituant que des exemples de présentations.We could also consider other variants, regarding the configuration of the switch the "hash" part, whether it is an order with "timed grill" function or of a control with function "built-in selector". Furthermore, in the case of control with "built-in selector" function, the selector manual is achievable not only as a slider to linear motion but still in the form of a rotary selector, or in the form of a selector with keys, the external arrangements illustrated by the Figures 1 and 2 are obviously not limiting and do not constituting only examples of presentations.

    Claims (9)

    1. Control for an electric microwave oven with incorporated grill, comprising a "timer" part (15) with a first switch (9) and a "chopping" part (16) having another switch (10) in series with the previous one, this other switch (10) having a contact (12) for supplying the magnetron (6) of the oven at a working rate which can be selected from a manual power selection device (3) forming part of the manual selection means (3), the switch (10) of the "chopping" part (16) having at least one other contact (13, 19) serving for the supply of the heating element or elements (7) of the grill, connected in parallel with the magnetron (6), the said manual selection means (3) being designed to selectively control the said at least one other contact (13, 19), a control in which the "chopping" part (16) comprises an internal member (20) with an angular position which can be adjusted by means of the manual power selection device (3), the said internal member (20) cooperating with a wheel (23) continuously driven in rotation and movable axially in order to determine, by means of a chopping lever (24), the alternating closure and opening times of a flexible-blade electrical contact (11) forming part of the switch (10) of this "chopping" part (6), for the purpose of supplying the magnetron (6) according to the required working rate, characterised in that the said internal member (20), with an adjustable angular position, is provided with a nose (26) designed to cooperate with the chopping lever (24), and in that this internal member (20) has an additional predetermined angular position in which its nose (26) acts on the chopping lever (24) in order to move at least one flexible blade (11, 18) of the switch (10) of the "chopping" part (15), with a view to supplying the element or elements (7) of the grill through the switch (10) of the "chopping" part (16).
    2. Control for an electric microwave oven with incorporated grill according to Claim 1, characterised in that the manual power selection device is a rotary knob (3) connected mechanically to the aforementioned internal member (20), in order to adjust the angular position of the latter, and in that the rotary power selection knob (3) itself has an additional angular position (GR) for selecting the "grill" function, corresponding to the position of the internal member (20) with adjustable angular position in which the latter acts, by means of its nose (26), on the chopping lever (24).
    3. Control for an electric microwave oven with incorporated grill according to Claim 1 or 2, characterised in that it is designed to selectively control the supply to the element or elements (7) of the grill, through the switch (10) of the "chopping" part (16), whilst benefitting from the timing afforded by the "timer" part (15).
    4. Control for an electric microwave oven with incorporated grill according to Claim 3, characterised in that the switch (10) of the "chopping" part is produced as a reversing switch, with a single flexible blade (11), anchored at a fixed point (14) electrically connected to the switch (9) of the "timer" part (15), the free end of the blade (11) being movable between a first fixed contact (12) for supplying the magnetron (6) and a second fixed contact (13) for supplying the element or elements (7) of the grill.
    5. Control for an electric microwave oven with incorporated grill according to Claim 3, characterised in that the switch (10) of the "chopping" part (16) comprises a flexible blade (11) anchored at a fixed point (14) electrically connected to the switch (9) of the "timer" part (15), and an ancillary flexible blade (18) anchored at a fixed point (13) connected to the element or elements (7) of the grill, the free end of the first blade (11) being movable between a fixed contact (12) for supplying the magnetron (6) and an ancillary contact (19) provided at the free end of the ancillary blade (18).
    6. Control for an electric microwave oven with incorporated grill, comprising a "timer" part (15) with a first switch (9) and a "chopping" part (16) having another switch (10) in series with the previous one, this other switch (10) having a contact (12) for supplying the magnetron (6) of the oven at a working rate which can be selected from a manual power selection device (3) forming part of the manual selection means (3), the switch (10) of the "chopping" part (16) having at least one other contact (13, 19) serving for the supply of the heating element or elements (7) of the grill, connected in parallel with the magnetron (6), the said manual selection means (3) being designed to selectively control the said at least one other contact (13, 19), a control in which the "chopping" part (16) comprises an internal member (20) with an angular position which can be adjusted by means of the manual power selection device (3), the said internal member (20) cooperating with a wheel (23) continuously driven in rotation and movable axially in order to determine, by means of a chopping lever (24), the alternating closure and opening times of a flexible-blade electrical contact (11A) forming part of the switch (10) of this "chopping" part (16), for the purpose of supplying the magnetron (6) according to the required working rate, characterised in that the switch (10) of the "chopping" part (16) has a second flexible blade (11B), connected to the contact (13) for supplying the heating element or elements (7) of the grill, and in that a movable internal member (30), connected to a three-position manual selector (29), cooperates with the chopping lever (24) and with the second flexible blade (11B), so that:
      in a first angular position of the movable internal member (30), corresponding to a first position (MO + GR) of the manual selector (29), the second flexible blade (11B) supplies the element or elements (7) of the grill, at the same time as the first flexible blade (11A) is able to supply the magnetron (6);
      in a second angular position of the movable internal member (30), corresponding to a second position (MO) of the manual selector (29), the second flexible blade (11B) does not supply the element or elements (7) of the grill, whilst the first flexible blade (11A) is able to supply the magnetron (6);
      in a third angular position of the movable internal member (30), corresponding to a third position (GR) of the manual selector (29), the second flexible blade (11B) supplies the element or elements (7) of the grill, whilst the first flexible blade (11A) is prevented from supplying the magnetron (6).
    7. Control for an electric microwave oven with incorporated grill according to Claim 6, characterised in that the said movable internal member (30) is shaped as a lever, mounted so as to pivot about a spindle (31) parallel to the pivot pin (25) of the chopping lever (24), and able to occupy the said three predetermined angular positions, this lever (30) having, on each side of its pivot spindle (31), two active ends (32, 33) cooperating respectively with the chopping lever (24) and with the second flexible blade (11B).
    8. Control for an electric microwave oven with incorporated grill according to Claim 6 or 7, characterised in that the three-position manual selector to which the said movable internal member (30) is connected, is a slider (29).
    9. Electric microwave oven with incorporated grill, provided with a control according to any one of Claims 1 to 8.
    EP19940420022 1993-01-29 1994-01-25 Control for combined microwave and grill oven Expired - Lifetime EP0609161B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9301190A FR2701094B1 (en) 1993-01-29 1993-01-29 Electric microwave oven control with built-in grill.
    FR9301190 1993-01-29

    Publications (2)

    Publication Number Publication Date
    EP0609161A1 EP0609161A1 (en) 1994-08-03
    EP0609161B1 true EP0609161B1 (en) 1998-10-28

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP19940420022 Expired - Lifetime EP0609161B1 (en) 1993-01-29 1994-01-25 Control for combined microwave and grill oven

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    EP (1) EP0609161B1 (en)
    DE (1) DE69414144D1 (en)
    ES (1) ES2126089T3 (en)
    FR (1) FR2701094B1 (en)

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    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US5548104A (en) * 1994-04-21 1996-08-20 Samsung Electronics Co., Ltd. Control apparatus of microwave oven having a magnetron and seperate heating element

    Family Cites Families (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE3528228A1 (en) * 1985-08-06 1987-02-12 Bosch Siemens Hausgeraete ARRANGEMENT FOR CONTROLLING OVENS WITH MICROWAVE ENERGY AND / OR HEATING ENERGY
    DE3717224A1 (en) * 1987-05-22 1988-12-08 Licentia Gmbh Baking and roasting oven
    FR2670273B1 (en) * 1990-12-05 1998-03-06 Moulinex Sa DEVICE FOR CONTROLLING A MICROWAVE OVEN.

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    Publication number Publication date
    FR2701094B1 (en) 1995-03-17
    DE69414144D1 (en) 1998-12-03
    FR2701094A1 (en) 1994-08-05
    EP0609161A1 (en) 1994-08-03
    ES2126089T3 (en) 1999-03-16

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