WO2025261966A1 - Système de transmission d'énergie par induction et procédé de fonctionnement d'un système de transmission d'énergie par induction - Google Patents

Système de transmission d'énergie par induction et procédé de fonctionnement d'un système de transmission d'énergie par induction

Info

Publication number
WO2025261966A1
WO2025261966A1 PCT/EP2025/066733 EP2025066733W WO2025261966A1 WO 2025261966 A1 WO2025261966 A1 WO 2025261966A1 EP 2025066733 W EP2025066733 W EP 2025066733W WO 2025261966 A1 WO2025261966 A1 WO 2025261966A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
induction
control
supply unit
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/EP2025/066733
Other languages
German (de)
English (en)
Inventor
Jesus Manuel Moya Nogues
Emilio PLUMED VELILLA
Jorge Tesa Betes
Sergio Llorente Gil
Francisco Villuendas Lopez
Alberto Dominguez Vicente
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of WO2025261966A1 publication Critical patent/WO2025261966A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H05B6/10—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
    • H05B6/1236—Cooking devices induction cooking plates or the like and devices to be used in combination with them adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/06—Cook-top or cookware capable of communicating with each other

Definitions

  • the receiving unit could, for example, have at least two, particularly at least three, advantageously at least four, particularly advantageously at least five, preferably at least eight, and particularly preferably more receiving induction elements, which could each inductively receive energy, particularly from the supply induction element, in the operating state.
  • the installation unit could be part of a small household appliance or be designed as a small household appliance itself.
  • the small household appliance is a portable appliance comprising at least the induction charging unit and at least one functional unit that provides at least one household appliance function in its operating state.
  • "Portable” in this context means that the small household appliance can be freely positioned within a household by a user, particularly without the need for tools, in contrast to a large household appliance, which is permanently positioned and/or installed in a specific location within a household, such as an oven or a refrigerator.
  • the small household appliance is designed as a small kitchen appliance and provides at least one primary function for food preparation in its operating state.
  • the small household appliance could, without being limited to, be designed, for example, as a food processor and/or as a mixer and/or as a stirrer and/or as a mill and/or as a kitchen scale or as a kettle or as a coffee machine or as a rice cooker or as a milk frother or as a deep fryer or as a toaster or as a juicer or as a slicer or the like.
  • the inverter unit is designed to adjust the energy inductively supplied by the at least one supply induction element by adjusting the high-frequency alternating voltage, in particular via a frequency and/or a duty cycle.
  • the control unit comprises at least one rectifier.
  • the inverter unit has at least one inverter switching element.
  • the inverter switching element generates an oscillating electric current for operating the at least one supply induction element, preferably with a frequency of at least 15 kHz, in particular at least 17 kHz, and advantageously at least 20 kHz.
  • the inverter unit comprises at least two inverter switching elements, which are preferably designed as bipolar transistors with insulated gate electrodes, and particularly advantageously at least one damping capacitor.
  • the control unit is specifically designed to apply a current of the frequency of the measuring point to the supply induction element during a measurement at a measuring point and to measure the power output of the supply induction element and/or at least one physical quantity related to the power, in particular a voltage and/or a current.
  • the control unit is preferably designed to perform the measurement at the measuring point during at least one half-cycle of a mains supply voltage.
  • the control unit can, in particular, be designed to repeat the measurement at the measuring point and/or the calculation of a power-frequency transfer function at regular intervals, in particular periodically.
  • the control unit is, in particular, designed to select the operating point for the power supply of the receiving unit and to control the supply unit accordingly, in particular within the same half-cycle in which the measurement was performed.
  • At least one parameter of the parameter set comprises an electrical characteristic of the supply induction element and/or the receiving induction element, in particular a time-varying characteristic, for example, the magnitudes of electrical resistances and/or impedances in a primary circuit of the supply unit and/or in a secondary circuit of the receiving unit and/or inductances, in particular self-inductances, and/or magnetic flux densities of the supply induction element and/or the receiving induction element and/or a resonant frequency and/or a material constant, for example, a magnetic permeability of a magnetic flux-focusing element of the supply unit and/or the receiving unit.
  • a time-varying characteristic for example, the magnitudes of electrical resistances and/or impedances in a primary circuit of the supply unit and/or in a secondary circuit of the receiving unit and/or inductances, in particular self-inductances, and/or magnetic flux densities of the supply induction element and/or the receiving induction element and/or a resonant frequency
  • the power-frequency transfer function in particular, describes the relationship between the power output of the supply induction element and the frequency of the current flowing in the supply induction element.
  • the power-frequency transfer function can exhibit a single maximum at a specific frequency or multiple maxima at different frequencies.
  • control unit be designed to switch off the power supply unit at a switching point when an integration via a controlled variable reaches a predetermined threshold.
  • the control unit integrates via a power output from the supply unit.
  • the control unit integrates via an electrical current supplied to the supply unit.
  • the threshold value is a parameter received from the installation unit.
  • the threshold value is advantageously a constant value, and particularly advantageously for each installation unit, a value stored in a database of the induction energy transfer device.
  • the threshold value represents a maximum value of a supply power output by the supply unit.
  • the threshold value represents a maximum value of a supply current of the supply unit.
  • the threshold value represents a maximum value of a supply power received by the installation unit, and the control unit receives this threshold value from the installation unit.
  • control unit be designed to determine a start frequency based on a power-frequency curve such that the threshold is reached within half a cycle of the supply voltage.
  • This design can improve ease of use. In particular, it can also enhance safety, as the response time for adjusting power output can be advantageously reduced.
  • the control unit can determine a frequency at which the power supply delivers a given power output based on a power-frequency curve.
  • the control unit uses the power-frequency curve to determine a frequency at which the power output from the power supply is 5% higher than the required power. This ensures, in particular, that the threshold is reached within half a cycle of the supply voltage, thus switching off the power supply.
  • control unit be designed to calculate a corrected power-frequency curve based on the time at which the threshold is reached and to determine a corrected starting frequency from this. This further improves ease of use. In particular, the efficiency of inductive power transfer can be improved.
  • the control unit uses the shutdown time and the power output of the supply unit during the preceding half-period to determine a corrected start frequency. Operating the supply unit with the corrected start frequency is particularly advantageous because it reduces the difference between the power received by the installation unit and the power demanded by the installation unit compared to the preceding half-period.
  • the control unit is designed to consider additional parameters besides the time the threshold is reached, especially as starting values for an iterative calculation method.
  • these additional parameters can be stored in a memory unit of the control unit and/or transmitted from the installation unit to the control unit. Particularly advantageously, these additional parameters can also be values measured during the preceding half-period.
  • control unit be designed to recalculate the corrected power-frequency curve and the corrected starting frequency using an iterative calculation method with at least one iteration step.
  • the iterative calculation method uses parameters from the previous half-period, such as the switch-off time of the power supply unit, the power provided by the power supply unit, and/or the power received by the installation unit, as new values instead of the initial values to calculate a corrected power-frequency curve. This is especially important in order to obtain a further corrected power-frequency curve, which then preferably approximates the actual situation more closely with each iteration.
  • the iterative calculation method advantageously goes through X iterations, where X is a natural number.
  • the iterative calculation process is stopped when the difference between the power demanded by the installation unit and the power received by the installation unit falls below a threshold value.
  • the threshold value is a maximum of 10%, particularly advantageously a maximum of 5%, and most advantageously a maximum of 2% of the power demanded by the installation unit.
  • control unit be designed to deactivate the determination of the shutdown time and the shutdown of the power supply unit within a half-cycle of the supply voltage. This allows for significantly improved ease of use.
  • such a design offers greater flexibility regarding compatibility with installation units that require different electrical power levels for operation. Specifically, this also allows for the safe operation of installation units with high power consumption.
  • control unit be designed to employ predictive control to control the supply unit. This will provide, in particular, a significantly higher level of user-friendliness and a preferably high level of safety, especially operational reliability.
  • the induction energy transfer system include a communication unit for wireless data transmission, particularly via NFC, between the control unit and the installation unit.
  • a communication unit for wireless data transmission particularly via NFC
  • the communication unit is preferably designed for bidirectional wireless data transmission, i.e., for both wireless reception and wireless transmission of data.
  • the communication unit includes at least one communication element.
  • the communication unit is connected to the control and/or regulating unit and is specifically designed for wireless data reception and transmission.
  • the communication unit comprises at least one further communication element located within the installation unit and specifically designed for wireless data reception and transmission.
  • the communication unit could be configured for wireless data transmission between the installation unit and the control and/or regulating unit via RFID, Wi-Fi, Bluetooth, ZigBee, or another suitable standard.
  • the communication unit is configured for wireless data transmission between the installation unit and the control and/or regulating unit via NFC. This advantageously provides an induction energy transfer system compatible with a large number of installation units.
  • the invention further relates to an induction household appliance, in particular an induction cooktop, of an induction energy transfer system according to one of the previously described embodiments, which comprises the power supply unit and the control and/or regulation unit.
  • an induction household appliance is characterized in particular by increased ease of use when operating within the induction energy transfer system.
  • the invention also relates to a mounting unit, in particular a small household appliance, for an induction energy transfer system according to one of the previously described embodiments.
  • a mounting unit in particular a small household appliance, for an induction energy transfer system according to one of the previously described embodiments.
  • such a mounting unit is characterized by increased ease of use when operated in conjunction with the induction energy transfer system.
  • the invention relates to a method for operating an induction energy transfer system, in particular according to one of the embodiments described above, with a mounting plate, with a supply unit which has at least one supply induction element arranged below the mounting plate for inductive provision of energy, with at least one mounting unit which has at least one receiving unit with at least one receiving induction element for receiving the inductively provided energy, and with a control and/or regulation unit for controlling and/or regulating the supply unit for energy transfer.
  • control and/or regulation unit uses a parameter set for the control and/or regulation of the supply unit and receives at least one parameter from the installation unit, whereby in at least one operating state the frequency modulation of the supply unit is switched off depending on the at least one parameter received from the installation unit.
  • the induction energy transfer system is not intended to be limited to the application and embodiment described above.
  • the induction energy transfer system may, to fulfill a function described herein, have a different number of individual elements, components, and units than specified herein.
  • Fig. 1 shows a schematic representation of an induction energy transmission system comprising a supply unit, a control and/or regulation unit for controlling and/or regulating the supply unit, a mounting unit and another mounting unit, each comprising a receiving unit.
  • Fig. 2 shows a schematic equivalent circuit diagram to illustrate an inductive energy transfer between a supply induction element of the supply unit and a receiving induction element of the receiving unit.
  • Fig. 3 is a schematic diagram illustrating the supply voltage of the power supply unit and the output voltage of the inverter.
  • Fig. 4 is a schematic diagram illustrating the rectified supply voltage and the time course of the frequency-modulated output of the power supply unit, including the switching point at which the The control and/or regulation unit switches off the supply unit when a threshold value for a controlled variable is reached.
  • Fig. 5 shows a schematic diagram illustrating three power-frequency curves under different electrical loads
  • Fig. 6 is a schematic diagram illustrating a method for operating an induction energy transfer system.
  • FIG. 1 shows a schematic representation of an induction energy transfer system 10.
  • the induction energy transfer system 10 has a mounting plate 12 for mounting a mounting unit 18 and a further mounting unit 19.
  • the mounting plate is designed as a cooktop plate, which consists largely of glass.
  • the induction energy transfer system 10 comprises a supply unit 14 with a supply induction element 16 arranged below the mounting plate 12 for providing inductive energy.
  • the supply unit 14 includes a total of four supply induction elements 16, although any other number would be conceivable.
  • the induction energy transfer system 10 includes the mounting unit 18.
  • the mounting unit 18 has a receiving unit 20 with a receiving induction element 22 for receiving the energy inductively supplied by the power supply unit 14.
  • the mounting unit 18 is configured as a kitchen appliance.
  • the induction energy transfer system 10 also includes a further mounting unit 19.
  • the further mounting unit 19 also includes a receiving unit 20 with a receiving induction element 22 for receiving the energy inductively supplied by the power supply unit 14.
  • the further mounting unit 19 is configured as a kettle.
  • the induction energy transfer system 10 can include further mounting units 19 (not shown).
  • the inductive energy transfer system 10 includes a control and/or regulation unit 24 for controlling and/or regulating the power supply unit 14 for inductive energy transfer between the power supply unit 14 and the receiving unit 20.
  • the control and/or regulation unit 24 is designed to modulate the frequency of the power supply unit 14 in at least one operating state depending on to switch off at least one parameter 28 of a parameter set 26 received by the installation unit 18.
  • the induction energy transmission system 10 includes a communication unit 43.
  • the communication unit 43 is designed for wireless data transmission between the control unit 24 and the installation unit 18.
  • the communication unit 43 is also designed for wireless data transmission between the additional installation unit 19 and the control unit 24.
  • the communication unit 43 includes a communication element (not shown) connected to the control unit 24 for wireless data transmission and reception.
  • the communication unit 43 includes another communication element (not shown) located in the installation unit 18 for wireless data transmission and reception.
  • the communication unit 43 also includes another communication element (not shown) located in the additional installation unit 19 for wireless data transmission and reception.
  • the communication unit 43 is designed as an NFC communication unit and is intended for wireless data transmission via NFC between the control and/or regulating unit 24 and the installation unit 18 and/or the further installation unit 19.
  • the control and/or regulating unit 24 comprises a storage unit and a processing unit.
  • the control and/or regulating unit 24 further comprises an inverter unit 44, which is designed in a known manner to provide high-frequency alternating current for the supply induction element 16.
  • the control unit 24 wirelessly receives at least one parameter 28 from the installation unit 18 via the communication element of the communication unit 43 and stores it in the storage unit.
  • the storage unit of the control unit 24 also stores further parameters 28 from the parameter set 26.
  • the parameter set 26 comprises a power requirement for operation of the installation unit 18.
  • the parameter set 26 can also include a power actually transferred from the supply induction element 16 by the receiving induction element 22.
  • the parameter set 26 may include, in addition to the two parameters 28 mentioned above, further parameters which can also be stored in the storage unit and/or received wirelessly by the control unit 24 via the communication element from the installation unit 18.
  • the processing unit may be designed to calculate some parameters 28 of the parameter set 26 from other parameters 28 of the parameter set 26 or to obtain them by measurement.
  • FIG. 2 shows a schematic equivalent electrical circuit illustrating inductive energy transfer between the supply induction element 16 of the supply unit 14 and the receiving induction element 22 of the receiving unit 20.
  • the supply unit 14 has at least one inverter unit 44 for supplying the supply unit 14 with alternating current and includes a compensation capacitor 48 and an electrical load 46.
  • the receiving unit includes a compensation capacitor 50 and an electrical load 52.
  • the control unit 24 regulates the energy inductively supplied by the supply induction element 16 by changing the frequency of the alternating current supplied by the inverter unit 44.
  • the supply induction element 16 generates an alternating electromagnetic field through which the energy is inductively supplied.
  • a magnetic flux of the alternating electromagnetic field generated by the supply induction element 16 is at least partially coupled to the receiving induction element 22, such that an alternating voltage is induced in the receiving induction element 22, and thus at least a portion of the inductively supplied energy is received.
  • the mounting unit 18 has at least one electrical load 52. In the operating state, the electrical load 52 is supplied with the alternating voltage induced in the receiving induction element 22.
  • Figure 3 shows a schematic diagram representing a supply voltage and the frequency-modulated output 58 from the supply unit 14 to the supply induction element 16.
  • a voltage in volts is plotted on the ordinate 54 of the diagram.
  • a time in volts is plotted on the abscissa 56 of the diagram.
  • the graph shows the time intervals of seconds.
  • the power supply unit 14 is switched on during the first part of a half-cycle 30 of the supply voltage 32 and supplies a frequency-modulated alternating current to the supply induction element 16. During the remaining part of a half-cycle 30 of the supply voltage 32, the power supply unit 14 is switched off.
  • Figure 4 shows a schematic diagram illustrating the rectified supply voltage 32 and the time course of the frequency-modulated output of the power supply unit 14, with a switching point 34 at which the control unit 24 switches off the power supply unit 14 upon reaching a threshold value 38 for a controlled variable 36.
  • a voltage in volts is plotted on the ordinate 60 of the diagram.
  • a time in seconds is plotted on the abscissa 62 of the diagram.
  • the rectified supply voltage 32 extends in the same direction for each half-period 30 of the supply voltage 32, in this case to positive values.
  • the power supply unit 14 outputs a frequency-modulated current to the supply inductor 16 at the beginning of each half-period 30 of the supply voltage 32.
  • the switching point 34 results from the time when a controlled variable 36, integrated by the control unit 24, reaches the threshold value 38.
  • the control unit 24 determines the controlled variable 36 from the parameter 28 of the parameter set 26 received by the installation unit 18. For example, the control unit 24 integrates a power output.
  • the time at which a threshold value 38 for the power output is reached is the switching point 34, at which the supply unit 14 is switched off for the remaining period 64 of the half-period 30, before the control unit 24 switches the supply unit 14 back on at the beginning of the following half-period 30.
  • the length of the period 64 depends on when the threshold value 38 is reached during a half-period 30.
  • the control and/or regulating unit 24 is designed to select a frequency for the supply unit 14 such that a higher than required power is output and the threshold value 38 is reached during a half-period 30 and the supply unit 14 is switched off by the control and/or regulating unit 24 from the switching time 34 for the remaining period 64 of the half-period 30.
  • Figure 5 shows a schematic diagram for representing power-frequency-
  • a power-frequency curve 72 is an approximation of the power transmission as a function of the frequency of the alternating current supplied by the power supply unit 14 to the power supply induction element 16.
  • parameters of the power supply unit 14 and parameters from the parameter set 26, which is received wirelessly, in particular via NFC, from the installation unit 18 by the control unit 24 using the communication unit 43, are used.
  • the control unit 24 is designed to determine the frequency required for a specified power output based on the power-frequency curve 72.
  • the frequency determined in this way is used by the control unit 24 at the beginning of a half-period 30 of the supply voltage 32 as the initial frequency of the frequency-modulated output 58 of the power supply unit 14.
  • the power-frequency curve 70 shows the approximation of the power as a function of frequency for a 50% reduction in the electrical load 52 of the installation unit 18 compared to the power-frequency curve 72.
  • a power-frequency curve 74 shows the approximation of the power as a function of frequency for a 50% increase in the electrical load of the installation unit 18 compared to the power-frequency curve 72.
  • FIG. 6 shows a schematic diagram illustrating a method for operating the induction energy transmission system 10.
  • the control unit (24) is designed to recalculate a corrected power-frequency curve and a corrected start frequency using an iterative calculation method with at least one iteration step.
  • the control unit 24 determines a possible power-frequency curve 72 based on parameters of the parameter set 26 received by the installation unit 18 via the communication unit 43.
  • the control unit 24 determines a frequency in a subsequent step 210 based on the power-frequency curve 72, which is used as the start frequency for the frequency-modulated output of the power supply unit 14.
  • the control unit 24 is designed to determine the starting frequency based on the power-frequency curve 72 such that a higher power output than that required by the installation unit 18 is delivered.
  • the control unit 24 modulates the frequency for the Frequency-modulated output 58 of the power supply unit 14 begins at the start of a half-period 30 of the supply voltage 32.
  • the control unit 24 integrates the controlled variable 36 and determines the switching time 34 at which the integrated controlled variable 36 reaches the threshold value 38. At switching time 34, the control unit 24 switches off the power supply unit 14 for the remaining period 64 of the half-period 30.
  • step 240 the control unit 24 determines a corrected power-frequency curve based on the switching time 34 determined in step 230, the duration of the period 64, and the parameter set 26. This corrected curve better represents the actual relationship between power and frequency.
  • step 210 is executed with the corrected power-frequency curve.
  • Steps 210, 220, 230, and 240 are steps in an iterative calculation procedure by which the difference between the power demanded by the installation unit 18 and the power received by the installation unit 18 decreases with each iteration. In this case, the control unit 24 is designed to perform five iterations, although a different number would also be conceivable.
  • the control unit 24 is designed to deactivate the determination of the switch-off time and the switch-off of the power supply unit 14 within a half-period 30 of the supply voltage 32.
  • the frequency of the alternating current for output via the supply induction element 16 is fine-tuned using known, conventional methods.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système de transmission d'énergie par induction (10), en particulier un système de cuisson par induction, comprenant une surface de placement (12) comprenant une unité d'alimentation (14) qui présente au moins un élément d'induction d'alimentation (16) placé sous la surface de placement (12) pour fournir de l'énergie par induction, comprenant au moins un élément de placement (18) qui présente au moins une unité de réception (20) comprenant au moins un élément d'induction de réception (22) pour recevoir l'énergie fournie par induction, et comprenant une unité de commande en boucle ouverte et/ou en boucle fermée (24) pour fournir une commande en boucle ouverte et/ou en boucle fermée de l'unité d'alimentation (14) afin de transmettre de l'énergie entre l'unité d'alimentation (14) et l'unité de réception (20), l'unité de commande en boucle ouverte et/ou en boucle fermée (24) étant destinée à utiliser un ensemble de paramètres (26) pour fournir une commande en boucle ouverte et/ou en boucle fermée de l'unité d'alimentation (14) et pour recevoir au moins un paramètre (28) à partir de l'élément de placement (18). Afin d'améliorer la facilité d'utilisation d'un système de transmission d'énergie par induction (10), l'unité de commande en boucle ouverte et/ou en boucle fermée (24) est prévue pour éteindre, dans au moins un état de fonctionnement, la modulation de fréquence de l'unité d'alimentation (14) en fonction du ou des paramètres (28) reçus depuis le ou les éléments de placement (18).
PCT/EP2025/066733 2024-06-19 2025-06-16 Système de transmission d'énergie par induction et procédé de fonctionnement d'un système de transmission d'énergie par induction Pending WO2025261966A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP24382661 2024-06-19
EP24382661.7 2024-06-19

Publications (1)

Publication Number Publication Date
WO2025261966A1 true WO2025261966A1 (fr) 2025-12-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2025/066733 Pending WO2025261966A1 (fr) 2024-06-19 2025-06-16 Système de transmission d'énergie par induction et procédé de fonctionnement d'un système de transmission d'énergie par induction

Country Status (1)

Country Link
WO (1) WO2025261966A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021244860A1 (fr) * 2020-06-02 2021-12-09 BSH Hausgeräte GmbH Appareil électroménager
US20220255355A1 (en) 2021-02-09 2022-08-11 E.G.O. Elektro-Geraetebau Gmbh Method for operating an apparatus for wirelessly transferring energy in the direction of an electrical consumer by means of inductive coupling, apparatus and system
WO2023057205A1 (fr) * 2021-10-06 2023-04-13 BSH Hausgeräte GmbH Système de transmission d'énergie par induction
WO2024046640A1 (fr) * 2022-08-30 2024-03-07 BSH Hausgeräte GmbH Système de transmission d'énergie par induction
US20240188198A1 (en) * 2021-04-19 2024-06-06 BSH Hausgeräte GmbH Induction energy transmission system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021244860A1 (fr) * 2020-06-02 2021-12-09 BSH Hausgeräte GmbH Appareil électroménager
US20220255355A1 (en) 2021-02-09 2022-08-11 E.G.O. Elektro-Geraetebau Gmbh Method for operating an apparatus for wirelessly transferring energy in the direction of an electrical consumer by means of inductive coupling, apparatus and system
US20240188198A1 (en) * 2021-04-19 2024-06-06 BSH Hausgeräte GmbH Induction energy transmission system
WO2023057205A1 (fr) * 2021-10-06 2023-04-13 BSH Hausgeräte GmbH Système de transmission d'énergie par induction
WO2024046640A1 (fr) * 2022-08-30 2024-03-07 BSH Hausgeräte GmbH Système de transmission d'énergie par induction

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