Patent application number | Description | Published |
20100206867 | COOKING DEVICE - A cooktop includes a plurality of heaters that form a contiguous cooking zone, a power supply for the plurality of heaters with a differentiator that differentiates between a first positive heating power for a first of the plurality of heaters and a second positive heating power for a second of the plurality of heaters in a differentiated heating mode. | 08-19-2010 |
20100282737 | INDUCTION HEATER COMPRISING A CIRCULAR INDUCTOR COIL - An induction heating element including a circular inductor coil that has a circular outer contour and a ferrite element arrangement that has at least one ferrite element with a radially outer edge. At least at one curvature point, the radially outer edge of the ferrite element is curved to a greater degree than the circular outer contour of the inductor coil. | 11-11-2010 |
20100282740 | INDUCTION HOB COMPRISING A PLURALITY OF INDUCTION HEATERS - An induction hob having a plurality of induction heating elements; a control unit to operate the plurality of induction heating elements so as to heat at least one flexibly definable heating zone in a synchronized manner; and a measurement array to measure a heating power generated by the plurality of induction heating elements. The measurement array measures a sum of heating powers of at least two induction heating elements and the control unit uses the sum of heating powers to regulate the heating power generated by the plurality of induction heating elements. | 11-11-2010 |
20110163086 | COOKTOP AND METHOD FOR OPERATING A COOKTOP - A cooktop is provided that includes heating elements which are combined to a heating zone; a power supply to generate a heating current that operates the heating elements; a switch to open and close a power circuit that includes the power supply and one of the heating elements; and a controller that determines a characteristic variable of the heating current, actuates the switch as a function of a selected power level to operate the heating zone, and activates, in a first operating state, two of the heating elements, which are combined to form the heating zone, in different phases of a heating period. | 07-07-2011 |
20110226756 | COOKING HOB WITH SEVERAL HEATING ELEMENTS AND AT LEAST ONE POWER ELECTRONICS SUBASSEMBLY - A cooking hob, in particular an induction hob, includes several heating elements, at least one power electronics subassembly for generating a heating current for operating the heating elements, and a switching arrangement for making and breaking a connection between the power electronics assembly and the heating elements. The switching arrangement is constructed as an assembly that is separate from the power electronics assembly. | 09-22-2011 |
20110233199 | HOB HAVING AT LEAST ONE INDUCTOR, AT LEAST ONE INVERTER AND A SWITCHING APPARATUS - A hob having at least one inductor, at least one inverter, a switching apparatus and a detection circuit for detection of cooking utensils. The switching apparatus is arranged in a circuit between the inductor and the inverter and switchable between a first switch position in which a connection between the inverter and the inductor is established and a second switch position in which the connection between the inverter and the inductor is interrupted. In order to allow an energy-saving detection mode, the switching apparatus is connected to the detection circuit such that the switching apparatus connects the inductor to the detection circuit when it is in the second switch position. | 09-29-2011 |
20110272397 | HOB HAVING AT LEAST ONE HEATING ZONE HAVING SEVERAL HEATING ELEMENTS - A hob includes at least one heating zone having several heating elements, a user interface for setting a heating capacity of the heating zone, and a control unit for operating the heating elements and for distributing the heating capacity among the heating elements according to a heating capacity distribution. In order to improve the efficiency of the hob, the control unit is configured to distribute the heating capacity among a larger number of heating elements when the heating capacity is below a threshold value than in the case, when the heating capacity is above the threshold value. | 11-10-2011 |
20120205365 | COOK TOP COMPRISING AT LEAST TWO HEATING ELEMENTS AND A POWER ELECTRONICS ARRANGEMENT - A cook top with at least two heating elements includes a power electronics arrangement connected to a domestic single phase AC supply. The power electronics arrangement includes several power supply units, which each supply heating currents to one or more heating elements, and a switch arrangement with several electromechanical relays for connecting/disconnecting the power supply units to/from the heating elements. Output poles of at least two electromechanical relays associated with different power supply units are connected in parallel, wherein the parallel connection is permanently connected to at least one of the heating elements. This arrangement reduces the number of switching processes required for alternating use of a power supply device with several heating elements, and simplifies compliance with electromagnetic compatibility standards. | 08-16-2012 |
20120321761 | HOB HAVING AT LEAST ONE COOKING ZONE AND METHOD FOR OPERATING A HOB - An induction cooktop includes a cooking zone, and a circuit arrangement for operating the cooking zone. The circuit arrangement has a parallel circuit, in which two inductors are connected in parallel manner. An apparatus is configured to detect occupancy of at least one cooking sub-zone of the cooking zone by a food preparation vessel and includes a current measuring element which is connected in series to the parallel circuit. | 12-20-2012 |
20130043239 | HOB DEVICE - A cooktop apparatus, in particular an induction cooktop apparatus, includes a switching unit configured to interrupt and establish current flow from a current supply, a first switching element receiving the current flow during an operating process, a control apparatus, which controls the switching unit during the operating process such that the switching unit interrupts the current supply during a first time interval which has a duration of less than of half a period of the power supply voltage. The control apparatus causes the current supply to be connected during the operating process immediately before and immediately after the first time interval. The first switching element begins switching and ends switching during the first time interval. | 02-21-2013 |
20130087554 | COOKER HOB DEVICE - A cooker hob device, in particular to an induction cooker hob device, includes at least one switching unit and at least one control apparatus. In order to obtain a high degree of efficiency, the control apparatus is constructed to automatically prompt the at least one switching unit in at least one operating cycle to switch in at least one entire first time interval using at least one switching parameter having a value which changes at least substantially continuously. | 04-11-2013 |
20130147751 | DOMESTIC APPLIANCE OPERATING DEVICE - A domestic-appliance-operating device, in particular a hob-operating device, includes an operating panel having a touch operating surface, a sensor plate which is arranged beneath the touch operating surface, and a touch sensor unit. A signal-transmission unit connects the sensor plate to the touch sensor unit in an electrically conductive manner by a conducting element and has at least one screening unit. | 06-13-2013 |
20130206750 | HEATING APPARATUS - A heating apparatus, in particular a hob heating apparatus, with at least one heating connection for at least one heating element and at least one frequency unit. In order to provide a heating apparatus of the generic type with relatively high operational reliability, it is proposed that the heating apparatus comprises a protective unit, which is provided for determining the existence of a conducting path between the frequency unit and the at least one heating connection. | 08-15-2013 |
20130342016 | DOMESTIC APPLIANCE HAVING A STAND-BY MODE AND METHOD FOR OPERATING SUCH A DOMESTIC APPLIANCE - A domestic appliance includes a mains connection at which an electrical mains voltage can be applied relative to a reference potential, a main supply unit supplying an electrical operating voltage from the mains voltage at its output, and at least one electrical consumer receiving the operating voltage. An electrical switch electrically isolates at least the output of the main supply unit from the mains connection, when the domestic appliance is in a standby mode. Provided separate from the main supply unit is a voltage supply which is coupled to the mains connection and which taps the mains voltage at the mains connection in the standby mode and supplies a supply voltage from the mains voltage for switching the electrical switch to an electrically conducting switching state to thereby switch the domestic appliance from the standby mode to an operating mode. | 12-26-2013 |
20140001883 | METHOD FOR ADJUSTING AN INRUSH CURRENT OF A DOMESTIC APPLIANCE, AND DOMESTIC APPLIANCE, IN PARTICULAR COOKING RANGE, COMPRISING A CONTROL UNIT FOR CARRYING OUT THE METHOD | 01-02-2014 |
20140067095 | COOKING APPLIANCE - A cooking appliance apparatus includes a power unit, and a communication unit which is configured to receive at least one information item from a data network. A control unit is operably connected to the communication unit and configured to change at least one operating parameter of the power unit at least as a function of the at least one information item. | 03-06-2014 |