EP3612002B1 - Procédé de commande d'un dispositif de chauffage d'un champ de cuisson et champ de cuisson - Google Patents

Procédé de commande d'un dispositif de chauffage d'un champ de cuisson et champ de cuisson Download PDF

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Publication number
EP3612002B1
EP3612002B1 EP19188304.0A EP19188304A EP3612002B1 EP 3612002 B1 EP3612002 B1 EP 3612002B1 EP 19188304 A EP19188304 A EP 19188304A EP 3612002 B1 EP3612002 B1 EP 3612002B1
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EP
European Patent Office
Prior art keywords
power
cooking vessel
operator
decision time
heating
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EP19188304.0A
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German (de)
English (en)
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EP3612002A1 (fr
Inventor
Tilo Fucik
Gabriel Rupp
Aylin Schoeffler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EGO Elektro Geratebau GmbH
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EGO Elektro Geratebau GmbH
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/03—Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—Heating plates with pan detection means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/07—Heating plates with temperature control means

Definitions

  • the invention relates to a method for controlling a heating device of a hob and a corresponding hob.
  • the hob has a number of heating devices under a hob plate and pot detection means for detecting a position of a cooking vessel on the hob plate.
  • an induction hob is generally known in which a plurality of heating devices are arranged under the hob plate.
  • a cooking vessel placed on the hob plate is usually heated by several of these heating devices.
  • the heat output generated by this heating device can vary; in particular, it becomes smaller with less coverage.
  • the invention is based on the object of creating a method as mentioned at the outset and a hob as mentioned at the outset, with which problems of the prior art can be avoided and in particular it is possible to control the hob in a practical and advantageous manner or to enable comfortable use, in particular when moving a cooking vessel.
  • the hob that can be operated with the method according to the invention and that is designed to carry it out has a hob plate and at least two heating devices under the hob plate. These are advantageously induction heating coils that can be operated individually or together in order to be able to heat a cooking vessel that has been set up. Furthermore, the hob has pot detection means to be able to detect a position of a cooking vessel on the hob plate. These pot detection means can be of general design, for example, be formed by the induction heating coils mentioned themselves or by additional sensor coils, for example according to FIG DE 10 2014 224 051 A1 . Alternatively, a camera or the like. be arranged above the hob and optically record the status or processes on the hob. Finally, the hob also has an operating device with operating elements and at least one display and a controller for the hob.
  • the method according to the invention can be carried out particularly well with such a hob.
  • a cooking vessel is placed over a first heating device of the hob, possibly also over a number of heating devices or over a number of heating elements, which together can form a heating device corresponding to the cooking vessel.
  • this heating device is heated by this heating device with a relatively high first power, this relatively high first power being at least 50% of the permanently maximum possible power of the first heating device, ie at least 50% of a continuous rated power.
  • This is important above all in the case of induction heating coils, which can also be operated in a so-called boost mode with a power that is higher than this rated continuous power, for example with up to 50% more. With this power, however, they can only be operated for a few minutes.
  • the relatively high first power mentioned can also be such a boost power.
  • the cooking vessel is shifted by at least 4 cm, possibly so far that it no longer covers this first heating device at all.
  • This shifting is detected by a control of the cooktop, advantageously with the aid of the aforementioned pan detection means.
  • the cooking vessel is heated with a second power, this second power being reduced in comparison to the first power.
  • This second power is advantageously at least 10% to 50% lower than the first power.
  • a counter starts counting down a predetermined decision time.
  • This counting is optically and/or acoustically signaled to an operator as a process so that he can see it clearly.
  • counting down a time is displayed visually as a countdown.
  • the operator does not react during the decision time, which in this case means that he does not change the heating power for this cooking vessel or at the previous first heating device or a new heating device that is now covered by the cooking vessel by moving . Provision can therefore be made for the operator to make an operator input for other cooking vessels or other hotplates formed for the cooking vessels, but this should then not count for the cooking vessel that has been moved.
  • the operator reacts during the decision time and changes the power, advantageously to a third power.
  • This third service is particularly advantageously reduced in comparison to the first service, but this does not necessarily have to be the case. It can be at least 10% to 50% less.
  • the cooking vessel is heated again permanently with the first power after the decision time has elapsed, this advantageously being done in such a way that the cooking vessel is heated again in absolute terms with the same power as before according to the first power. It is irrelevant whether this is done by just one heating device or by several, especially in the case of induction heating coils.
  • the cooking vessel is permanently heated with the changed power after the power has changed, in particular to the third power mentioned, or after the decision time has elapsed, ie either immediately or only after the decision time has elapsed. This is preferably even with the third power.
  • an operator can be informed on the one hand about the change or reduction in power. At the same time, she is asked to do so or has it in her hands to make the service valid again without intervention. Alternatively, through direct intervention, it can determine the power setting.
  • the minimum displacement path mentioned can advantageously be greater than 4 cm, particularly advantageously greater than 10 cm. This means that a very slight displacement of the cooking vessel, for example by 1 cm to 4 cm, which can also happen unintentionally, should have no effect or the cooking vessel is then heated as before without the intervention of a hob controller. A displacement direction can generally be neglected. It can thus be taken into account that several cooking vessels can stand on the hob plate when in use and shifting is not always only possible or takes place to the rear, which is probably the most common and simplest case, but may also have to be carried out diagonally to the rear, possibly also to the front.
  • the method is particularly advantageous when the cooking vessel is clearly displaced in such a way that the cooking vessel is completely removed from the first heating device and is moved over at least one second heating device. At this point, the cooking vessel should then be heated by at least the second heating device with the second output, at least for the decision time.
  • a third case can also be provided in the invention, namely that the operator reacts during the decision time, ie before it expires, and actuates an operating element.
  • This can advantageously be a specific operating element that is precisely provided for this purpose.
  • the decision time is then aborted immediately, i.e. it is no longer counted.
  • the cooking vessel is then immediately heated again with the original first output. This covers the aforementioned option that the operator wants the cooking vessel to continue to be heated at the first power.
  • the possibility should also be covered that the operator moves the cooking vessel back to its original position, that is to say shifts the cooking vessel again, so to speak.
  • the second power is reduced by approximately 25% to 40% compared to the first power. It is therefore not reduced quite as much, but is nevertheless strong enough to briefly interrupt the process of boiling water in the cooking vessel, for example, and thus prevent it from boiling over.
  • the aforementioned relatively high power is a surface power density of more than 3.5 W/cm 2 . It can also be more than 5 W/cm 2 or even more than 7 W/cm 2 corresponding to a level 8 or 9 as the power level or cooking level.
  • a decreasing or also an increasing number on a display of the hob can be used for this purpose.
  • a decreasing or increasing progress bar can be used for the display.
  • so-called bar displays for sliders can be used as control elements for setting the power, as is particularly the case in DE 10 2004 044 355 are known.
  • a visual display of counting down as the decision time has elapsed can also be done by flashing.
  • An aforesaid number or a aforesaid progress bar can flash, which ensures particularly well that the operator notices this.
  • the operator reacts during the decision-making time and, by actuating a control element, in particular a control element specially provided for this purpose, sets the power permanently to the second power in order to continue heating the cooking vessel .
  • the operator can thus set the second service as a permanent additional service before the decision time has elapsed, for example because the operator considers this service to be advantageous.
  • the power currently used for heating the cooking vessel is displayed as a number or as a power display. This then advantageously corresponds to a power level. In this way, the operator always knows at a glance how intensely the cooking vessel is being heated at any given time.
  • a heating device can be understood in such a way that it does not have just a single heating element.
  • two to four induction heating coils can be used together to heat a single cooking vessel and can then be viewed as a heating device with the same power, at least the same surface power and/or absolute power.
  • a hob with which the above-described method can be carried out advantageously has more than the usual four or six heating devices for four or six discrete hotplates. For example, at least two times three or two times four heating devices can be provided, in particular three times four heating devices. their arrangement should be regular so that a good coverage of the hob plate is achieved.
  • FIG. 1 1 shows a plan view of an induction hob 11 according to the invention, described at the outset, for carrying out the method according to the invention, which has a hob plate 12 .
  • the rear and by far the largest part of the hob plate 12 forms a heating area 13 in order to be able to heat cooking vessels or pots that have been set up therewith.
  • Eight induction heating coils 15 are arranged under the heating area 13, here designated by HE10 to HE23.
  • the left half of the heating area 13 has four induction heating coils 15 and the right half as well. However, this division is not absolutely necessary; fewer and, above all, even more induction heating coils could be provided for the entire heating area 13 .
  • a pot T1 as a cooking vessel is placed on the induction hob 11 at the front left. It largely covers the front left induction heating coil HE10.
  • a larger oval pot T2 is set up on the right as a cooking vessel corresponding to a roaster, specifically approximately in the middle between the two induction heating coils HE20 and HE23 and on top of them.
  • the induction hob 11 has an operating device 17, advantageously arranged below the same hob plate 12 and implemented with touch switches, advantageously with capacitive sensor elements and illuminated displays or LEDs.
  • the operating device 17 has four horizontally running so-called sliders 19a to 19d in a special distribution, which, however, does not play a significant role here.
  • Each slider has ten luminous segments 20, with a separate sensor element also being provided on each luminous segment 20.
  • Such a slider 19 is thus a type of illuminated touch strip.
  • a display 21 is arranged to the right of each slider 19, so four displays 21a to 21d are also provided.
  • the displays 21 each have two seven-segment displays for showing corresponding numerals and letters or symbols, as will be seen below Figures 2 to 4 is good to see.
  • the target output with the output level 8 is set on the lower left slider 19a.
  • the power specification or power setting in stages is usual for hobs. This can be done by swiping with a finger above the slider 19a, alternatively by direct operation. If a finger is placed on the slider 19a over the second light segment 20a from the right, which is the ninth light segment seen from the left, power level 8 can also be set directly. In any case, the display 21a with the right digit indicates the power level 8 by lighting up, advantageously by lighting up constantly.
  • the eight left-hand light segments 20a light up on the slider 19a itself and thus also illustrate the set high power level as the target power for the pot T1.
  • the setting up of pots T1 and T2 may have been detected by the induction heating coils HE themselves. Alternatively, other sensors may have detected it.
  • Power level 8 corresponds to a surface power density of approximately 5 W/cm 2 for pot T1. So this first achievement is a great achievement. If the first power was significantly less than 3.5 W/cm 2 or less than 3 W/cm 2 or less than a power level of “7” or “6” or below, the method according to the invention would not start and in particular no reduction in power in the new second position.
  • a target power can be set for the right-hand pot T2 and displayed on the slider 19d and on the display 21a.
  • the pot T1 is pushed backwards by the operator into the new second position T1'. This is intended as a quick response to the fact that the water in the pot T1 is about to boil over or is already boiling over, which is not desired by the operator. Displacement of the pot T1 is then at least subjectively or intuitively faster and more direct and more reliable for many operators than reducing the power using the operator control device.
  • this position of the pot T1′ is first recognized again as before also the position T1. If the distance d were smaller than the minimum displacement path mentioned at the outset, no action would take place.
  • pot T1' is then operated with reduced power as the new second power.
  • performance is reduced, and significantly so.
  • This is done here at power level 4, which is again shown on the slider 19a by four luminous light segments 20a.
  • the display 21a shows the power level 4 with the right digit.
  • a predetermined decision time begins to elapse or is counted down on a counter in the mentioned controller of the induction hob 11 .
  • the expiry of this decision time is supposed to be displayed visually to an operator, this is in the 4 clarified. In each case on the left it is shown how only ten of these light segments light up on a slider 19 with the ten light segments 20, as shown at the very top. Only nine light segments then light up, then eight light segments 20, etc.
  • one further light segment is extinguished per second, so that the decision time is optically counted down.
  • the numerical counting of the decision time can be displayed as a kind of countdown on the display 21 with the seven-segment displays. At the very bottom, if the slider 19 shown on the left no longer lights up a light segment 20, then a "0" would light up on the right.
  • the reduction in power can be shown on the display 21, for example by a letter like a "U”.
  • the reduced second power can be shown on the display 21, ie the number 4 accordingly 3 , than the power actually used. For this reason, the decision time is advantageously counted off optically on the slider 19 .
  • the expiry of the decision time can according to the 4 can also be displayed by flashing on the slider 19 or on its light segments 20 and/or on the display 21.
  • the operator can now react as previously described. If it does not react at all within the decision time, the pot T1' in the new position is immediately operated again with the original first power, i.e. with power level 8, after the decision time has expired. This is shown in FIG. 6.
  • the operator reacts during the decision time of 10 seconds and changes the power to a third power with a control element or with the slider 19, which is still active despite displaying the end of the decision time.
  • This third performance can be reduced compared to the first performance, but it need not be so.
  • the third service can also correspond to the second service.
  • the pot T1' in the new position is permanently heated with this third power immediately after the change to the third power.
  • this can also only take place after the decision time has elapsed, but this is regarded as disadvantageous.
  • the operator also reacts while the decision time is being counted down and actuates an operating element, advantageously an operating element specially provided for this purpose.
  • an operating element advantageously an operating element specially provided for this purpose.
  • she can set the power permanently to the second power for heating the pot T1', for example because she has seen that this corresponds to the desire to heat the pot T1' in the new position.
  • the pot T2 covers two induction heating coils in both positions, namely the induction heating coils HE20 and HE23 as pot T2, and the induction heating coils HE21 and HE22 as pot T2' in the shifted position.
  • the pot is heated with a correspondingly high first power, the power is initially reduced after displacement by the distance d.
  • the two induction heating coils are treated as one. It would be the same if a pot were moved from previously two induction heating coils to a single one, or if a pot were moved from previously a single induction heating coil to two. Seen in terms of the absolute power or a power level, it should change for the pot just as described above, regardless of the number of induction heating coils required. This applies at least as long as the desired service can be provided.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Electric Stoves And Ranges (AREA)

Claims (13)

  1. Procédé de commande d'un dispositif de chauffage (HE) d'une table de cuisson (11) comprenant les étapes suivantes :
    - placer un récipient de cuisson (T) au-dessus d'un premier dispositif de chauffage (HE) de la table de cuisson (11) et le chauffer par ledit dispositif de chauffage à une première puissance relativement élevée, dans lequel la première puissance relativement élevée est au moins 50 % de la puissance réalisable au maximum en permanence par le premier dispositif de chauffage (HE),
    - en cas que le récipient de cuisson (T) est déplacé à au moins 4 cm,
    - le récipient de cuisson (T) est chauffé par une deuxième puissance qui est réduite par rapport à la première puissance,
    - ladite réduction de la puissance pour chauffer le récipient de cuisson (T) de la première puissance à la deuxième puissance est signalée à un opérateur optiquement et/ou acoustiquement,
    - lors de la réduction de la puissance, un compteur commence à décompter un délai de décision prédéfini, et ledit décomptage est signalé à un opérateur optiquement et/ou acoustiquement sous forme d'écoulement,
    - dans lequel, dans un premier cas, l'opérateur ne répond pas pendant le délai de décision,
    - dans lequel, dans le premier cas, après l'écoulement du délai de décision, le récipient de cuisson (T) est encore chauffé en permanence par la première puissance,
    - dans lequel, dans un deuxième cas, l'opérateur répond pendant le délai de décision et change la puissance vers une troisième puissance,
    - dans lequel, dans le deuxième cas, après changement vers la troisième puissance ou après l'écoulement du délai de décision, le récipient de cuisson (T) est chauffé en permanence par la troisième puissance.
  2. Procédé selon la revendication 1, caractérisé en ce qu'il faut qu'un déplacement du récipient de cuisson (T) se fait d'au moins 10 cm, de préférence d'au moins le diamètre du récipient de cuisson (T), afin de détecter et évaluer ainsi un mouvement.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le récipient de cuisson (T) est enlevé du premier dispositif de chauffage (HE) et avancé au-dessus d'un deuxième dispositif de chauffage (HE), et ensuite est chauffé au moins par le deuxième dispositif de chauffage (HE) par la deuxième puissance.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que, dans un troisième cas, l'opérateur répond pendant le délai de décision et cause par actionnement d'un élément de commande (19), de préférence d'un élément de commande spécifique prévu à cet effet, l'arrêt immédiat du délai de décision et du décomptage du délai de décision, dans lequel puis immédiatement le récipient de cuisson (T) est chauffé encore par la première puissance.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que la deuxième puissance est au moins 10 % à 50 % inférieure à la première puissance, de préférence 25 % à 40 % inférieure.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que la troisième puissance est réduite par rapport à la première puissance.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que le décomptage est indiqué optiquement à l'opérateur sous forme d'expiration du délai de décision pendant l'expiration, de préférence toutes les secondes, en particulier par un nombre décroissant ou augmentant ou par une barre de progression décroissant ou augmentant.
  8. Procédé selon la revendication 7, caractérisé en ce que l'affichage optique du décomptage sous forme d'expiration du délai de décision est par clignotement, de préférence avec une présentation clignotante du nombre ou de la barre de progression.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que, dans un quatrième cas, l'opérateur répond pendant le délai de décision et, par actionnement d'un élément de commande spécifique, règle la puissance en permanence à la deuxième puissance pour chauffer le récipient de cuisson (T).
  10. Procédé selon l'une des revendications précédentes, caractérisé en ce que la puissance respective utilisée actuellement pour chauffer le récipient de cuisson (T) soit indiqué par un nombre ou bien par une indication de puissance.
  11. Procédé selon l'une des revendications précédentes, caractérisé en ce que le dispositif de chauffage comporte deux à quatre éléments de chauffage (HE), lesdites éléments étant opérés ensemble par la même densité des puissance et/ou puissance.
  12. Procédé selon l'une des revendications précédentes, caractérisé en ce que le dispositif de chauffage respectivement les éléments de chauffage du dispositif de chauffage sont sous forme de bobines de chauffage à induction (HE).
  13. Table de cuisson (11) pour mettre en œuvre un procédé selon l'une des revendications précédentes, caractérisé en ce que ladite table de cuisson comprend :
    - une plaque de table de cuisson (12),
    - au moins deux dispositifs de chauffage (HE) au-dessous de la plaque de table de cuisson (12),
    - moyens de détection de casserole (HE) pour détecter une position d'un récipient de cuisson (T) sur la plaque de table de cuisson,
    - un dispositif de commande (17) avec des éléments de commande (19) et affichages (20, 21) et
    - un système de commande pour la table de cuisson (11), le système de commande étant configuré pour mettre en œuvre le procédé selon l'une des revendications précédentes.
EP19188304.0A 2018-08-14 2019-07-25 Procédé de commande d'un dispositif de chauffage d'un champ de cuisson et champ de cuisson Active EP3612002B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018213655.6A DE102018213655A1 (de) 2018-08-14 2018-08-14 Verfahren zur Ansteuerung einer Heizeinrichtung eines Kochfelds und Kochfeld

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EP3612002A1 EP3612002A1 (fr) 2020-02-19
EP3612002B1 true EP3612002B1 (fr) 2022-03-09

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EP (1) EP3612002B1 (fr)
KR (1) KR20200019580A (fr)
DE (1) DE102018213655A1 (fr)
ES (1) ES2913797T3 (fr)
PL (1) PL3612002T3 (fr)

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EP4250872A1 (fr) * 2022-03-25 2023-09-27 Electrolux Appliances Aktiebolag Table de cuisson à induction
BE1031072B1 (de) * 2022-11-25 2024-06-24 Miele & Cie Kochfeld

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Publication number Priority date Publication date Assignee Title
DE102020209648A1 (de) * 2020-07-30 2022-02-03 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betrieb eines Kochfelds und Kochfeld

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EP2211591B2 (fr) * 2009-01-22 2014-10-01 BSH Bosch und Siemens Hausgeräte GmbH Procédé de fonctionnement d'un champ de cuisson doté d'une multitude d'éléments de chauffage

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FR2863039B1 (fr) * 2003-11-27 2006-02-17 Brandt Ind Procede de chauffage d'un recipient pose sur une table de cuisson a moyens de chauffage associe a des inducteurs
DE102004044355A1 (de) * 2004-09-09 2006-03-30 E.G.O. Elektro-Gerätebau GmbH Verfahren zur optischen Kennzeichnung eines Berührungsschalters und ein solcher Berührungsschalter
DE102014105161B4 (de) * 2014-04-11 2023-03-23 Miele & Cie. Kg Verfahren zum Betreiben einer Kochfeldeinrichtung und Kochfeldeinrichtung
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EP4250872A1 (fr) * 2022-03-25 2023-09-27 Electrolux Appliances Aktiebolag Table de cuisson à induction
WO2023180045A1 (fr) * 2022-03-25 2023-09-28 Electrolux Appliances Aktiebolag Plaque de cuisson à induction
BE1031072B1 (de) * 2022-11-25 2024-06-24 Miele & Cie Kochfeld

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EP3612002A1 (fr) 2020-02-19
DE102018213655A1 (de) 2020-02-20
KR20200019580A (ko) 2020-02-24
ES2913797T3 (es) 2022-06-06
PL3612002T3 (pl) 2022-08-08

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