Disclosed is an induction heating device. The disclosed induction heating device senses whether a container placed on a heating coil is off-center, and if so, the direction in which the container is off-center, on the basis of a change in the resonance current of a plurality of sensing coils disposed along the circumferential direction above the heating coil. Each of the plurality of sensing coils includes a plurality of first layer sensing coils and a plurality of second layer sensing coils. Each of the plurality of first layer sensing coils is electrically connected to a corresponding second layer sensing coil among the plurality of second layer sensing coils. The first layer sensing coil and the second layer sensing coil that are connected to each other are vertically misaligned and have opposite winding directions.

A hob device, in particular induction hob device, includes a placement plate configured for placement of an item of cookware, at least two heating units for heating the item of cookware, and an illumination strip including a lighting unit and assigned in an operating state to the at least two heating units for marking the at least two heating units.

An induction heating system includes a housing, a heating surface, a first power inverter disposed within the housing, a second power inverter disposed within the housing, a first plurality of working coils, and a second plurality of working coils. The first plurality of working coils is connected in series. The first plurality of working coils is disposed within the housing and electrically coupled to the first power inverter. The second plurality of working coils is connected in series. The second plurality of working coils is disposed within the housing and electrically coupled to the first power inverter. The first plurality of working coils and the second plurality of working coils are configured to receive power from the first power inverter and the second power inverter, respectively, to produce magnetic fields that interact with a ferrous material of cooking vessels or of the heating surface to generate heat in the ferrous material.

The invention relates to an induction hob comprising: a hob plate (2); two or more induction coils (3) arranged below the hob plate in order to form heating zones (4) at the hob plate (2); one or more pot detection sensors (5), the pot detection sensors (5) being at least partially placed between a pair of adjacent induction coils (3); wherein the pot detection sensor (5) is a strip-shaped sensor extending in a space between said pair of adjacent induction coils (3) and the pot detection sensor (5) is coupled with an evaluation unit (8) adapted to determine information regarding the coverage of the pot detection sensor (5).

The present invention relates to a cooking hob for a domestic or an industrial appliance. The cooking hob comprises at least one heating area (10). The heating area (10) is subdivided or divisible into at least two adjacent heating zones (12, 14, 16). Each heating zone (12, 14, 16) includes at least one heating element (20, 22, 24, 26). The temperature of each heating zone (12, 14, 16) is separately adjusted or adjustable by the user or predefined by the producer. A cookware item (18) is placeable on one heating zone (12, 14, 16) or on more adjacent heating zones (12, 14, 16).

An induction heating system includes a power inverter, an induction circuit, and a control circuit. The power inverter includes one or more transistors configured to receive a direct current (DC) input and produce an alternating current (AC) output. The induction circuit includes at least one working coil configured to receive the AC output and produce a first magnetic field, wherein the first magnetic field interacts with a ferrous material to generate heat in the ferrous material. The control circuit includes a processor and memory. The memory having instructions stored thereon that, when executed by the processor, cause the control circuit to receive an input, from a user, indicating a temperature set point, measure an inductance of the induction circuit, determine a resonant frequency of the induction circuit based on the inductance, and control the one or more transistors of the power inverter based on the resonant frequency and the temperature set point.

An automatic home cooking machine comprises a food storage section for dry and unperishable food products, means for controllably discharging food products from the food storage section, a dispensing section which includes a plurality of spaced controllable food dispensers retained within a stationary freezer compartment, a lower plate on which are positionable a plurality of food vessels, a rotatable insulating plate located below the freezer compartment and formed with an aperture through which desired food products are gravitationally delivered either from the food storage section or from the dispensing section to an underlying one of the food vessels located directly below the aperture, and cooking apparatus adapted to cook the food products received within each of the food vessels.

An induction well includes a tank configured to store a substance, a first induction coil positioned around a first portion of the tank, a second induction coil positioned around a second portion of the tank, and a single power inverter coupled in parallel with the first induction coil and the second induction coil.

An induction burner element for a cooking appliance includes a plurality of injection molded frames positioned in a spaced and concentric relationship, each injection molded frame having an upper cavity an at least one lower cavity. A ferrous member is disposed within the at least one lower cavity for each injection molded frame. A plurality of wound coils are disposed within the upper cavity for each injection molded frame, wherein each wound coil corresponds to a respective injection molded frame.

An induction cooker includes a top plate on which a cooking container is placed; a heating coil placed below the top plate and that heats the cooking container; an infrared sensor placed below the heating coil and that detects infrared radiation emitted from the cooking container; a sensor casing that houses the infrared sensor; and a magnetic path forming member placed on a top face of the sensor casing. The magnetic path forming member guides magnetic flux passing above the infrared sensor by being generated from the heating coil.