Abstract: An induction heating device comprises a frequency converter that generates a high-frequency drive voltage from an intermediate circuit voltage generated at least temporarily as a function of an AC mains voltage, a resonant circuit having an induction heating coil, with the drive voltage applied to the resonant circuit, and a temperature detection device that determines a temperature of a cooking vessel base which is heated by means of the induction heating coil. An auxiliary voltage source generated the intermediate circuit voltage over predefined time periods at a constant level. The frequency converter generates the drive voltage over time periods such that the resonant circuit oscillates at a natural resonant frequency in a substantially de-attenuated manner, and the temperature detection device further measuring at least one oscillation parameter over the time periods, and to evaluate the at least one measured oscillation parameter in order to determine the temperature.

Abstract: A method for heating a cooking vessel utilizing an induction heating device is provided. According to various aspects, the induction heating device includes a resonant circuit with an induction heating coil. A specified amount of energy may be supplied to the cooking vessel with the induction heating device depending on a heating power level selected by a user and/or on a cooking vessel type selected by the user. A parameter value of the resonant circuit which is dependent on a temperature of the cooking vessel, in particular of the bottom of the cooking vessel, may be determined and stored. The parameter value may be regulated to a setpoint which is dependent on the stored parameter value.

Abstract: A method and apparatus for preparing foodstuffs cooked in a liquid in a cooking vessel is provided. According to various aspects, an induction heating device includes a resonant circuit with an induction heating coil. A parameter value of the resonant circuit may be determined, depending on a temperature of a bottom of the vessel. During a heating-up phase, a high-frequency rectangular voltage may be applied to the resonant circuit to supply heating power to the bottom of the vessel. A heating power setpoint may be periodically varied and may be set to a first value during a first interval of a period, and set to a second, smaller value during a remaining interval. A determination of a change in the parameter value within the period may be made, and an evaluation of the change in order to determine the boiling point of the liquid and end the heating-up phase.

Abstract: A method for heating a liquid in a cooking vessel is provided. According to various aspects, an induction heating device includes a resonant circuit having an induction heating coil. A parameter value of the resonant circuit may be determined, depending on a temperature of the cooking vessel. A radio-frequency square-wave voltage may be applied at a predefined heating power setpoint value to the resonant circuit to supply heating power to the cooking vessel. The time profile of the parameter value may be evaluated for determining the boiling point of the liquid. After the boiling point has been determined, the heating power setpoint value may be reduced by a predefined amount over a predefined time period after which a current parameter value may be determined and stored. The parameter value may be adjusted to a setpoint value which is dependent on the stored parameter value.

Abstract: A gas oven has an oven muffle and a gas burner for said oven muffle. The gas oven has a thermogenerator for generating electrical energy during operation of the gas burner for the purpose of supplying electrical energy to an electrical functional unit, for example for supplying said electrical energy to a fan or a control of the gas oven. In this case, the thermogenerator is designed and arranged to be heated, and for heat to be introduced by the gas burner.

Abstract: The invention may enable provision of a method for facilitating operation of an induction heating device, and a pot detection method for an induction heating device and to an induction heating device. The induction heating device is characterized by determining a low point of a resonant cycle on a linking node of a parallel resonant circuit and a switching element, determining a low point voltage at the low point of the resonant cycle and switching on the switching element at the low point of the resonant cycle for a cycle duration that is determined depending on the low point voltage in such a manner that a low point voltage does not exceed a predetermined maximum value in the following resonant cycles.

Abstract: The disclosure relates to a cooking vessel which is of a prespecified cooking vessel type and comprises: a cooking vessel type encoding device which encodes the cooking vessel type of the cooking vessel, with the cooking vessel type encoding device being a passive, electrical resonant circuit, with a resonant frequency of the resonant circuit encoding the cooking vessel type of the cooking vessel.

Abstract: The invention relates to a method for operating an induction heating device. The induction heating device comprises an induction coil and a frequency converter for producing a control voltage for the induction coil. The frequency converter comprises a rectifier rectifying an alternating supply voltage (UN), an intermediate circuit capacitor, looped in between output terminals of the rectifier and equalizing the rectified voltage (UG), and at least one controllable switching element, looped in between the output terminals of the rectifier. According to the invention, in a predetermined discharge interval (INT) before a zero crossing (ND) of the alternating supply voltage (UN), the intermediate circuit capacitor is discharged to a threshold value by controlling the at least one switching element before the induction coil is controlled in order to produce an adjustable heating capacity.

Abstract: A gas burner module for a gas cooktop has a gas burner with an ignition and monitoring electrode, and also ignition and control electronics, a flame monitoring device and a gas valve. A burner foot in the form of a base is provided as a supporting element of the gas burner module. These parts of the gas burner module are combined to form a unit and are mechanically connected to one another in such a way that they form a constructional unit which can be handled independently.

Abstract: A heat-storage cooker has at least one heat source and a thermogenerator with a hot side and a cold side for generating electrical energy during operation of the heat source for the purpose of supplying the electrical energy to an electrical functional unit, in particular an electronic control means, of the heat-storage cooker. The hot side is provided close to the heat source with good thermal coupling to the said heat source, and the cold side is routed to the surrounding area, to a baking-oven muffle or to a cooking plate of the heat-storage cooker. Therefore, an electronic control means can be operated even in the case of a heat-storage cooker without an electrical connection.

Abstract: A gas oven has an oven muffle and a gas burner for said oven muffle. The gas oven has a thermogenerator for generating electrical energy during operation of the gas burner for the purpose of supplying electrical energy to an electrical functional unit, for example for supplying said electrical energy to a fan or a control of the gas oven.

Abstract: A gas burner for a gas cooktop has a gas burner body with gas outlet openings. A thermogenerator is arranged above the gas burner body, advantageously arranged concentrically relative to said gas burner body and with the same shape and size, wherein the thermogenerator is heated by said gas burner body. The thermogenerator bears against a cooler pot base by way of its upper face. The thermogenerator generates electrical energy which is used to operate a control of the gas cooktop and which can be stored.

Abstract: An induction heating device comprises a frequency converter that generates a high-frequency drive voltage from an intermediate circuit voltage generated at least temporarily as a function of an AC mains voltage, a resonant circuit having an induction heating coil, with the drive voltage applied to the resonant circuit, and a temperature detection device that determines a temperature of a cooking vessel base which is heated by means of the induction heating coil. An auxiliary voltage source generated the intermediate circuit voltage over predefined time periods at a constant level. The frequency converter generates the drive voltage over time periods such that the resonant circuit oscillates at a natural resonant frequency in a substantially de-attenuated manner, and the temperature detection device further measuring at least one oscillation parameter over the time periods, and to evaluate the at least one measured oscillation parameter in order to determine the temperature.

Abstract: A method for regulating a cooking process of a cooking product in an oven of a steamer, during which the moisture in the oven coming from the cooking product is at least periodically determined over time by a moisture sensor. During a measuring phase there is no introduction of steam into the steam oven and the moisture sensor is evaluated. For a given cooking process with fixed times for the supply of steam, on the basis of the moisture sensor evaluation during the measuring phase, the end of cooking is determined. Prior to the measuring phase and during a steam phase, steam is introduced into the oven, the steam supply being terminated following the steam phase and prior to the measuring phase during a ventilating phase. During the ventilating phase the steam concentration in the oven is greatly reduced.

Abstract: A gas burner module for a gas cooktop has a gas burner with an ignition and monitoring electrode, and also ignition and control electronics, a flame monitoring device and a gas valve. A burner foot in the form of a base is provided as a supporting element of the gas burner module. These parts of the gas burner module are combined to form a unit and are mechanically connected to one another in such a way that they form a constructional unit which can be handled independently.

Abstract: An induction heating device for a glass ceramic hob or cooktop is embodied as an autonomous component. Said induction heating device comprises a bearing device which, in addition to the induction coil, supports a component support comprising power electronics and control electronics. Only the control connections for the control signals in relation to the power of a line and a direct connection to the household power are provided on said induction heating device. The control electronics ensure the power of a line to the power electronics. Advantageously, said induction heating devices have external dimensions which are the same as traditional radiant heating bodies and thus can easily be used in lieu of said traditional radiant heating bodies when constructing said hob.

Abstract: An operating control device, such as for an appliance, is disclosed comprising sensor elements with a capacitive sensing function, the elements being located underneath a metallic surface that is used as the operating field. An insulating layer is situated between the elements and the metallic surface. When pressure is applied to the metallic surface the capacitance of the sensor element is altered by capacitive coupling. This alteration of capacitance can be determined by a corresponding evaluation circuit or the like for detecting activation of the device.

Abstract: A controller of a hob is connected to a temperature sensor of a radiation based heating element. In principle, two different groups of temperature sensors can be used, whose resistance values differ by approximately a factor of three. When the hob is first used, the resistance of the temperature sensor is measured at room temperature and is classified in one of the two groups of temperature sensors on the basis of a limit value between the two typical temperature profiles of the groups of temperature sensors. On the basis of this, calibration of the controller is carried out for the purpose of adjusting to the established group to which the temperature sensor belongs.

Abstract: The invention relates to a method for operating an induction heating device, to a pot detection method for an induction heating device and to an induction heating device. The method for operating the induction heating device is characterized by determining a low point of a resonant cycle on a linking node (N1) of a parallel resonant circuit and a switching element (24), determining a low point voltage at the low point of the resonant cycle and switching on the switching element (24) at the low point of the resonant cycle for a cycle duration that is determined depending on the low point voltage in such a manner that a low point voltage does not exceed a predetermined maximum value in the following resonant cycles.

Abstract: A hob comprising a plurality of heating elements further comprises a support for a plurality of illuminating means, said support being of elongate construction and typically arcuate in shape. In one embodiment, two rows of illuminaries in the form of LEDs are provided wherein a cover with light zones is positioned thereover. The cover may indicate various symbols and letters to a user of the hob. Separate light zones may be defined to prevent light from one illuminary zone spilling over to the next illuminary zone. A controller may illuminate one row of illuminaries indicating the heating element is hot, even after power is removed from the heating element, and illuminate another row indicating a level of operation of the heating element. The hob may comprise a plurality of heating elements each having an associated illuminating means located in front of the heating area facing the operator.