Class / Patent application number | Description | Number of patent applications / Date published |
219624000 | Core or coil structure | 22 |
20090057298 | Device for Inductive Energy Transmission with Resonant Circuit - An energy transmission unit is provide that includes a primary unit having a transmission means for the wireless transmission of energy to a secondary unit via a transmission oscillation and an oscillation generation unit for generating the transmission oscillation. In order to achieve a high degree of flexibility in use, the oscillation generation unit has a decoupling device that is provided for the purpose of decoupling at least one harmonic associated with the transmission oscillation. | 03-05-2009 |
20090194527 | INDUCTION HEATING COOKING APPARATUS - Waste heat of a high temperature inside a main body is designed to be discharged to the outside of the main body by means of a discharge fan through a first suction air flow passage and a first discharge air flow passage. Also, through a second air flow passage communicating from a second discharge fan suction port to a discharge fan suction portion, air from the outside of the main body or air at a site of the main body, where the temperature is low, is sucked by a discharge fan so that the air of a low temperature can pass outside the drive motor to cool the latter. With this construction, the interior of the main body and the drive motor can be cooled efficiently. | 08-06-2009 |
20090212042 | Electric range and induction coil unit used therein - Disclosed are an electric range and an induction coil unit used therein. The electric range includes a plate, on which cooking containers are mounted; an induction coil unit provided under the plate, and including a plurality of induction coils; and a control unit to control the operation of the induction coil unit, wherein at least one of the induction coils includes at least one rectilinear part. | 08-27-2009 |
20090289054 | Induction Cook-Top Apparatus - An induction stove assembly that utilizes pads between the cook-top of the stove and cooking vessels placed on the stove for heating. The pads are easily removable and interchangeable with other similar pads. The pads help protect the cook-top from damage, make clean-up more efficient, and insulate the cook-top from excessive heating. | 11-26-2009 |
20100116820 | INDUCTION ELECTRICAL APPLIANCE - An induction electrical appliance comprising: a first shell, a first pan, a first heating element used fro heating the first pan and a first induction coil. The first shell detachably connected to the first pan, the food can be placed on the first grilling surface of the first pan, the first heating surface of the first pan fixedly connected to a first heating element, which is electrically connected to the induction coil. Thereby, the induction coil generates inducted current by extra magnetic field and inputs the current to the first heating element. Thus the first heating element can generate higher heat energy, and further enlarger the cooking temperature range of the first pan. Moreover, the cooking temperature can be adjusted according to the different food to let the food be more delicious. | 05-13-2010 |
20100176120 | INDUCTION HEATING COOKER - There is provided an induction heating cooker capable of preventing a pan having a pan bottom warped in a convex shape or a pan having a pan bottom with a small thickness from being excessively heated. The induction heating cooker includes a heating coil ( | 07-15-2010 |
20100237065 | HEATING DEVICE - A heating device includes a first induction coil, a second induction coil, a control panel, a power supply unit and a controlling unit. The control panel issues an adjusting signal. The power supply unit provides a first power and a second power to the first induction coil and the second induction coil, respectively. The controlling unit generates a control signal to the power supply unit according to the adjusting signal, thereby controlling the first power and the second power. Electrical energy is transmitted to the first induction coil and the second induction coil and the frequency difference between the first power and the second power is greater than 15 kHz or smaller than 1 kHz during a first time interval under control of the controlling unit. No electrical energy is transmitted to one of the first induction coil and the second induction coil during a second time interval under control of the controlling unit. | 09-23-2010 |
20100270288 | Device for heating food using induction and device for transmitting energy - A device for heating food using induction, including a base element having a secondary winding configured from a current conductor and a heating element that is connected to the winding. To reduce the height of the base element, a winding core is located inside the winding. Further, a device for transmitting energy to a device for heating food by induction, the former device including a primary winding that is configured from a current conductor and is connected to a voltage source. | 10-28-2010 |
20100282738 | COOKING APPLIANCE, IN PARTICULAR A HOUSEHOLD COOKING APPLIANCE - This invention relates to a cooking appliance ( | 11-11-2010 |
20110000904 | INDUCTION HEAT COOKING DEVICE - An induction heat cooking device is provided that finishes preheating in a short time and maintains the temperature obtained at the finish of the preheating. When a preheating heating mode is selected as an operation mode, a control unit ( | 01-06-2011 |
20110100980 | INDUCTION HEATING COOKER AND KITCHEN UNIT HAVING THE SAME - An object of the present invention is to provide an induction heating cooker with which the size of heating coils can freely be set without being restricted by the size of an opening of a cabinet of a kitchen unit. To this end, the induction heating cooker of the present invention has its outer casing | 05-05-2011 |
20110168694 | ELECTROMAGNETIC COOKING DEVICE - An induction heating cooker includes a top plate adapted to have an object placed thereon, plural heating coils provided below a lower surface of the top plate, an inverter for supplying high-frequency power to the heating coils, a data memory, and a controller controlling the inverter. The data memory stores first and second heating coil patterns. Each of the first and second heating coil patterns defines one or more heatable regions and one or more non-heatable regions. The controller selects a heating coil pattern from the first and second coil patterns. The controller controls the inverter such that high-frequency power can be supplied to one or more first heating coils out of the plural heating coils located in the one or more heatable regions of the selected heating coil pattern. The controller controls the inverter such that high-frequency power cannot be supplied to one or more second heating coils out of the plural heating coils located in the one or more non-heatable regions of the selected heating coil pattern. This induction heating cooker can adjust at least one of the location, the size, and the number of the heatable regions for induction-heating objects in response to at least one of the location, the size, and the number of the objects to be heated, thereby heating the objects efficiently. | 07-14-2011 |
20110253706 | HEATING DEVICE WITH PLURAL INDUCTION COILS - A heating device includes a first induction coil, a second induction coil, a first phase power unit, a second phase power unit, a power controller and a user interface unit. The second induction coil isn't always concentric with the first induction coil. The first phase power unit is connected with the first induction coil, and configured for receiving a first phase input voltage and outputting a first voltage. The second phase power unit is connected with the second induction coil, and configured for receiving a second phase input voltage and outputting a second voltage. There is a phase difference between the first phase input voltage and the second phase input voltage. The power controller is used for controlling operations of the first phase power unit and the second phase power unit. The user interface unit is connected with the power controller for controlling the power controller. | 10-20-2011 |
20110303653 | INDUCTION HEATING COOKER AND CONTROL METHOD THEREOF - Disclosed herein are an induction heating cooker and a control method thereof in which heating coils on which a container is located are sensed, a display unit displays a region corresponding to the heating coils on which the container is located, the displayed region is selected by a user, an output adjustment unit as to the displayed region is displayed, and output of the corresponding heating coils is adjusted by adjusting the output adjustment unit. The induction heating cooker includes heating coils to heat the container, a display unit to display the sensed container or the output adjustment unit of the heating coils, and the output adjustment unit to adjust the output of the heating coils on which the container is located. | 12-15-2011 |
20120132647 | Induction Cooking - An induction cooking system with an induction heating system, a cooktop, and cool touch cookware that has a target layer that is heated by induction. An absolute cookware temperature is directly sensed at one or more locations of the cookware, for example at the target layer. A relative cookware temperature can be determined based on the value of an electrical variable of a circuit that includes the target layer. The cookware can include a layer of thermal insulation directly below and spaced from the target layer by a gap. The insulation and gap act as the major heat insulating elements to keep the outer surface of the cookware cool. This allows the induction coil to be placed just below the cooktop, without any insulation between the coil and the cooktop. The cooktop can be cooled by placing a cooling chamber just below the cooktop and drawing air through the cooling chamber. The induction coil can be located in the cooling chamber. | 05-31-2012 |
20130284723 | INDUCTION HEATING SYSTEM WITH SELF REGULATING POWER CONTROL - An induction heating system ( | 10-31-2013 |
20140251980 | ELECTROMAGNETIC INDUCTION HEATER WITH INCREASED HEATING RANGE - An electromagnetic induction heater includes a supporting plate and a plurality of first induction coils. The supporting plate has a heating zone for placing at least one foodstuff container thereon. The heating zone includes a plurality of sub-heating zones. The first induction coils are located at the positions corresponding to the sub-heating zones respectively for heating the at least one foodstuff container. The first induction coils have elliptic profiles, and are located at an inner side of the supporting plate. | 09-11-2014 |
20160100460 | INDUCTION HEAT COOKING APPARATUS - An induction heat cooking apparatus includes a rectifier to rectify an input voltage and to output a DC voltage; a plurality of switching devices to switch the DC voltage output from the rectifier; a plurality of heating coils to heat a cooking container according to control of the plurality of switching devices; and a controller to control the plurality switching devices to simultaneously drive two heating coils connected in parallel with each other among the plurality of heating coils. | 04-07-2016 |
20160100461 | INDUCTION HEAT COOKING APPARATUS - An induction heat cooking apparatus in which a first terminal of a first resonant capacitor of which a second terminal is connected to a second heating coil is connected to one of a positive power supply terminal and a negative power supply terminal of a rectifier, and a first terminal of a second resonant capacitor of which a second terminal is connected to a third heating coil is connected to the other one of the positive power supply terminal and the negative power supply terminal of the rectifier not connected to the first resonant capacitor, and a controller controls a plurality of switching devices to simultaneously drive the second heating coil and the third heating coil which are connected in parallel. | 04-07-2016 |
20160135255 | INDUCTION-HEATING COOKER - An induction-heating cooker has a heating coil, an insulation plate on which the heating coil is placed, a ferrite on which the insulation plate is placed, and a support body on which the ferrite is placed and that is made of a nonmagnetic metal material. The support body has an uneven part for positioning the ferrite to be placed on an upper surface of the support body with respect to the support body. | 05-12-2016 |
20160150597 | COOKING APPARATUS AND METHOD FOR CONTROLLING THE SAME - A cooking apparatus and a method for controlling the cooking apparatus are provided. The cooking apparatus includes induction heating coils that include a high power burner in which a first heating coil and a second heating coil are concentric. The cooking apparatus includes a low power burner that includes a third heating coil and a fourth heating coil, a power supply unit that includes a first AC power supply unit and a second AC power supply unit which have a different phase from each other, and a coil driving unit that provides power supplied by the first AC power supply unit to the first heating coil, and provides power supplied by the second AC power supply unit to at least one of the second heating coil, the third heating coil, and the fourth heating coil. | 05-26-2016 |
20160381736 | AN INDUCTION COOKING HOB INCLUDING A COOKING AREA WITH THREE OR MORE INDUCTION COILS AND A METHOD FOR CONTROLLING A COOKING AREA - The present invention relates to an induction cooking hob ( | 12-29-2016 |