Abstract: A glass, in particular glass-ceramic, article, which is intended in particular to be used with at least one heating element, is formed of at least one substrate, such as a glass-ceramic plate. The substrate is at least partly coated with at least one layer of ink, which is advantageously deposited by inkjet printing. The ink is formed of nanoscale pigments and of at least one silicone binder. The layer of ink is coated with at least one layer of silicone-based paint. The layer of paint advantageously is deposited in the form of a flat tint, in particular by screen printing, and preferably being opacifying.

Abstract: The present invention relates to an image processing apparatus, in particular a camera apparatus and/or imaging apparatus for a cooker hood and a cooker hood. The camera apparatus includes a camera and/or the imaging apparatus includes an imaging device, an airflow generation apparatus, and an air channel, where an airflow generated by the airflow generation apparatus flows out of an outlet of the air channel. The outlet of the air channel is formed in a local area around the camera and/or imaging device. Disposing of the outlet of the air channel causes the airflow flowing out of the outlet of the air channel to form an air curtain in front of the camera and/or imaging device, thus preventing smoke from coming into contact with the camera and/or imaging device, protecting the camera and/or imaging device from pollution of smoke, and facilitating heat dissipation of the camera and/or imaging device.

Abstract: A container support is disclosed. The container support is operated in conjunction with an induction heating unit, which is disposed beneath a table and generates a magnetic field, and includes a plate for supporting a cooking container placed thereon, a manipulation unit provided at a portion of the plate so as to receive control commands from a user, and a signal-transmitting part provided at a portion of the plate so as to transmit electric signals to the induction heating unit.

Abstract: A stovetop assembly where on/off status of a burner is controlled, at least in part, based upon whether the body of a cookware vessel is: (i) placed on a burner to complete an electrical circuit (for example direct current conductive circuit) or magnetic circuit; or (ii) removed from the burner to break the electrical or magnetic circuit. Also, a control box with a tether line extending therefrom that controls on/off status of a burner based, at least in part, upon whether a clip at a distal end of the tether line is mechanically connected to a cookware vessel.

Abstract: Shrink-fitting device for clamping and unclamping tools that have a tool shank, having a tool receptacle which has a sleeve part that is open at its free end and is made of electrically conductive material, for receiving the tool shank in a frictional manner, and having an induction coil that encloses the sleeve part of the tool receptacle, is able to be subjected to a high-frequency alternating current and is configured as a ring coil or a cylindrical coil, for heating the sleeve part, wherein the induction coil bears, on its outer circumference, a first casing made of magnetically conductive and electrically non-conductive material, and the device comprises power semiconductor components for producing an alternating current feeding the induction coil, and an induction coil housing that preferably consists of insulating material, wherein the induction coil and its first casing are surrounded at the outer circumference by a second casing which consists of magnetically non-conductive material and electrically

Abstract: 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.

Abstract: An induction heating device includes a case having a lower plate that defines an inlet and an exhaust slit; a cover plate coupled to the case; a working coil disposed inside the case; an indicator substrate support coupled to the lower plate and disposed below the working coil; an inverter substrate disposed on a lower surface of the indicator substrate support and including an inverter and a first heat sink configured to dissipate heat generated from the inverter; and a first blowing fan disposed at the lower plate and configured to draw air from an outside of the case through the inlet and discharge the air to the inverter substrate. The exhaust slit is configured to discharge, to an area below the lower plate, at least a portion of air discharged from the first blowing fan to the inverter substrate.

Abstract: Heater assemblies comprising a cylindrical body with a surface and a central axis including a plurality of heating elements are described. The plurality of heating elements is axially spaced on the surface of the cylindrical body. Each of the heating elements forms an axially spaced heating zone. Each heating element has a spiral shape with an inner end and an outer end defining a length of the heating element. Each coil of the spiral shape is spaced from an adjacent coil by a distance sufficient to prevent arcing between adjacent coils.

Abstract: An induction heat cooking apparatus that includes: a rectifier that is configured to convert alternating current (AC) voltage supplied from an external power source into direct current (DC) voltage; an inverter that is configured to generate current based on DC voltage received from the rectifier and provide the current to output nodes; heating coils that are configured to, based on the current generated by the inverter, generate magnetic fields for providing heat; a first capacitive unit that includes one or more resonance capacitors and that is coupled between the output nodes; a second capacitive unit that includes one or more wireless power transfer (WPT) capacitors and that is configured to be coupled between the output nodes; and a mode conversion switch that is configured to couple the second capacitive unit to the first capacitive unit in parallel is disclosed.

Abstract: A system having a beverage coaster with a receiving coil that can be magnetically coupled or decoupled from a driving coil in a counter, table, bar, and the like. The coaster may be magnetically coupled to the table by moving the coaster into an area where the driving coil generates a magnetic field of sufficient strength. The coaster also includes a switch that activated or deactivated based on its proximity to a magnet in the table. The coaster has a metallic plate on which may be positioned a beverage container. The plate is thermally and mechanically coupled to a Peltier cell that either cools or heats the plate, depending on the state of the switch. A thermostat prevents beverage overheating. A second magnetic switch powers the driving coil only if the coaster is present and aligned with the driving coil.

Abstract: An induction cooking heater including an inductor having a number of magnetic field concentration bars located beneath the inductor. The inductor having the magnetic field concentration bars is supported by a polymeric frame. The polymeric frame includes a first support element on which the inductor is wound and a second support element that supports the magnetic field concentration bars. The first support element and the second support element are assembled together through a central ring-shaped zone having a snap engagement. The inductor is wound on an upper surface of the first support element opposite to the second support element.

Abstract: A method for operating an induction cooking hob including a plurality of inductors in association with induction resonant inverters operating in load-dependent frequency ranges includes a simultaneous activation of inductors, in at least one phase of the control period, independently from their association to one or more overlying cooking utensils but only according to at least partial overlapping of associated operating frequency ranges.

Abstract: The present invention relates to an advantageously interactive item of furniture and/or appliance comprising: at least one worktop formed from at least one substrate made of a monolithic glazing material and of area larger than 0.7 m2, said substrate having a lightness L* lower than 10, a haze lower than 30% and a light transmission TL lower than 10%; at least one heating element; at least one light source, in particular intended to light up one or more zones or one or more elements or displays of the substrate, this source in particular being located under the substrate and being hidden thereby when said source is at rest; and at least one interface for communicating with at least one element of the worktop such as the one or more light sources and/or the one or more heating elements and/or if needs be wirelessly with at least one external element.

Abstract: A wireless power transmission apparatus according to the present invention includes a coil which generates a high-frequency magnetic field upon reception of a high-frequency current, a support which supports the power receiving device within the high-frequency magnetic field, an inverter circuit which supplies the high-frequency current to the coil, and a controller which controls the driving of the inverter circuit. The controller performs a power transmission operation to transmit power to the power receiving device, if the impedance on the output side of the inverter circuit exhibits a resonant characteristic as the driving frequency of the inverter circuit is changed.

Abstract: A thermal composite which can be used in induction heating or cooking devices. The composite comprises a surface layer made of a food-safe material, an induction layer made of a carbon-based material, an insulation layer, and an induction heating element. The heating element heats the induction layer directly, through the insulation layer, which in turn heats the surface layer. There can also be a structural support layer between the insulation layer and the heating element.

Abstract: An electronic induction heat cooking apparatus includes a rectifier for rectifying an input voltage and outputting a direct current (DC) voltage; a plurality of switching elements for switching the DC voltage output through the rectifier; a plurality of heating coils for heating a cooking utensil by controlling the plurality of switching elements; a controller for controlling the plurality of switching elements according to a plurality of operation modes; and a supporting member in which at least one of the plurality of heating coils is mounted. The supporting member includes a coil insertion part, into which the heating coils are inserted, and the magnetic member is inserted into the supporting member to directly face the heating coils at the lower side of the heating coils.

Abstract: An electronic induction heat cooking apparatus includes a rectifier for rectifying an input voltage and outputting a direct current (DC) voltage, a plurality of switching elements for switching the DC voltage output through the rectifier, a plurality of heating coils for heating a cooking utensil by controlling the plurality of switching elements, a controller for controlling the plurality of switching elements, and a support member including grooves, into which the heating coils are inserted. A width of a cross section of each of the grooves decreases toward an entrance of each of the grooves.

Abstract: An induction humidification system is disclosed. The induction humidification system includes a base having a circumferential induction coil and a removable and replaceable cartridge received within the interior space defined by the induction coil. The canister has a nonmetallic housing, such as a plastic housing, within which a ferromagnetic member having a circumferential sidewall is disposed. When the canister is received within the base, the ferromagnetic member sidewall and the induction coil are radially overlapping such that a current applied to the induction coil causes the ferromagnetic member to be heated which in turn causes water held within the canister to be converted to steam. Once the ferromagnetic member has reached the end of its useful life, the canister can be simply replaced with a new canister that can be received by the original base.

Abstract: A cooktop device, in particular an induction cooktop device, includes a base component and an articulated arm having a first arm part and a second arm part, with the articulated arm bearing exactly one heating element. A joint supports the second arm part for movement relative to the first arm part, and a suspension connects the first arm part to the base component.

Abstract: Provided is a cooking device capable of being provided with a radio communication device so that the radio communication device establishes a satisfactory communication, instead of (i) further providing any special configuration in which the radio communication device is provided and (ii) making any change in structure of the cooking device. According to a cooking device (1), a space for providing a radio communication adapter is secured in a frame (3b) of a door (3) or in a circuit storing section (50), made of a nonmetal, which is configured to store a driving circuit of a display operation section (5).

Abstract: A method for operating a cooktop appliance is provided. The method includes determining a temperature of a cooking utensil positioned on a heating element of the cooktop appliance, as well as determining a temperature of a food in the utensil positioned on the heating element of the cooktop appliance. The method also includes calculating a temperature differential between the temperatures of the food in the cooking utensil and of the cooking utensil itself. Subsequently, the method includes controlling a heating temperature of the heating element to reduce the temperature differential when the temperature differential is greater than a predetermined threshold to, e.g., reduce a risk of burning a portion of the food in the utensil.

Abstract: In one embodiment, a semiconductor device includes a substrate, and a first shield member provided on or in the substrate. The device further includes a semiconductor chip provided on the first shield member, and a first wire electrically connected to the semiconductor chip and the substrate. The device further includes a second wire electrically or magnetically connected to the first shield member, and a second shield member provided above the semiconductor chip, electrically insulated from the first wire, and electrically or magnetically connected to the second wire.

Abstract: In a method for operating a cooktop, a process of removal and placement of a cookware element with respect to a starting position and an end position is detectable by a detection arrangement. A control unit forms a heating zone to match a detected cookware element. The process can be independently associated by the control unit in one of two ways, a first way in which the process involves a movement of cookware element from the starting position into the end position and a movement of the heating zone into an area of the end position, with a target temperature, set by a user interface, being carried over to the area of the end position, a second way in which the process involves removal of cookware element from the starting position and placement of another cookware element in the end position, with a target temperature set to a default value.

Abstract: The present disclosure relates to a cooking vessel for induction cooktops. The cooking vessel comprises at least one movable magnetic material base plate provided at heat conducting zone of the cooking vessel, wherein the movable magnetic material base plate transfers heat from the induction cooktop to contents in the cooking vessel. The cooking vessel further comprises at least one non-magnetic material base plate, placed adjacent to the at least one movable magnetic material base plate, wherein the non-magnetic material base plate blocks transfer of heat from induction cooktop to the contents. Further, an insulation pocket, placed adjacent to the at least one movable magnetic material base plate, is configured to house the at least one movable magnetic material base plate. Furthermore, an actuator is configured to displace the at least one movable magnetic material base plate from the heat conducting zone to the insulation pocket based on a control signal.

Abstract: A hob apparatus includes a configuration unit having at least two input connections for connection to at least two inverters in one-to-one correspondence, at least two output connections for connection to at least two heating elements in one-to-one correspondence, and at least one switch operably connected to a first one of the at least two input connections and operably connected to at least a first one of the at least two output connections. The configuration unit operates the at least two inverters in at least one operating state in parallel to at least one of the at least two heating elements. The configuration unit includes at least one bridging element to connect the first one of the at least two input connections and a second one of the at least two output connections to one another independently of a switching position of the at least one switch.

Abstract: This contrivance model discloses a coil panel consisting of the body, the base used for sealing the body as well as the magnetic stripe and the magnetic vane located at the base bottom from top to bottom. The magnetic vane is a cyclic structure. This contrivance model also discloses an induction cooker. This contrivance model not only can effectively reduce electromagnetic radiation arising from operation of the induction cooker and the coil panel and improve heat emission efficiency, but also features easy installation and disassembly.

Abstract: A combination type cooker may include a top plate with a surface, a case that is configured to define a space shielded by the top plate, a gas burner that is provided inside the case, and in which a heat plate is heated by combustion of a fuel gas, an induction burner that is provided inside the case, and that is configured to heat a cooking container by induction, and a barrier that is provided between the gas burner and the induction burner, and that is configured to partition an inside of the case into a first space where the gas burner housed, and a second space where the induction burner is housed.

Abstract: An induction heating system includes induction heating apparatuses, each including a high-frequency current transformer, a low-frequency current transformer and a heating coil, a high-frequency input switch connected to the high-frequency current transformer, a low-frequency input switch connected to the low-frequency current transformer, a first power source to output a high-frequency electric power and a low frequency electric power, a second power source, a first power source output switch connectable to the first power source, a second power source output switch connectable to the second power source, and a switch controller. Each induction heating apparatus includes a heater controller to send a signal to the switching controller to turn on one of the first power source output switch and the second power source output switch, to turn off the other, and to switch on or off each of the high-frequency input switch and the low-frequency input switch.

Abstract: Disclosed is a wireless power transmitting apparatus to wirelessly transmit power to a wireless power receiving apparatus through a transmission resonance coil by using resonance. An AC power generating unit generates quasi square-wave AC power having quasi square-wave voltage. A transmission induction coil transmits the quasi square-wave AC power to the transmission resonance coil through electromagnetic induction.

Abstract: The present invention relates to an induction coil for an induction heating appliance, in particular for an induction cooking hob. The induction coil comprises at least one base plate (10) and at least one winding arrangement (12). The winding arrangement (12) includes at least one portion of high winding concentration (18) and at least one portion of low winding concentration (20). The base plate (10) is arranged above one or more winding arrangements (12). The base plate (10) includes at least one conductive portion (14) and at least one non-conductive portion (16). At least one conductive portion (14) of the base plate (10) is arranged above at least one portion of high winding concentration (18) of the winding arrangement (12). At least one non-conductive portion (16) of the base plate (10) is arranged above at least one portion of low winding concentration (20) of the winding arrangement (12). The conductive portion (14) of the base plate (10) is made by at least one conductive material.

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 glass-ceramic cooktop is provided that is made of glass-ceramic material with a flat upper side and an underside. The glass-ceramic material has transmittance values of greater than 0.1% in the visible light range in the total wavelength region greater than 420 nm, a light transmittance in the visible range of 0.8-2.5%, and a transmittance of 0-85% in the infrared at 1600 nm, and wherein the glass-ceramic material has high quartz mixed crystals as the prevalent crystal phase. The underside is flat, unstructured, and coplanar with the upper side.

Abstract: The present invention relates to a cooking hob with a mobile upper part and a stationary or mobile lower part. The upper part includes at least one panel (10) arranged at its top side. The upper part includes at least one induction coil (12) arranged below the panel (10). The upper part includes at least one rechargeable battery (14). The upper part includes at least one inverter circuit for generating the alternating current for the induction coil (12). The lower part includes a base plate (18). The lower part includes a power supply circuit (16) arranged on the base plate (18) and connected or connectable to the grid. The upper part is attachable on and removable from the lower part by a user.

Abstract: An induction heating cooker including a temperature sensor disposed between a plurality of working coils which are uniformly disposed below a cooking table and a heat transfer member to transfer heat from the working coils adjacent to the temperature sensor to the temperature sensor, thereby improving productivity and space utilization.

Abstract: One variation of a system for cooking food includes: a griddle module including a lower plate configured to receive a food product and an upper plate arranged over the lower plate and configured to contact the food product; a set of induction stations, each induction station including a lower coil configured to inductively couple to the lower plate when the griddle module is arranged in the induction station and an upper coil configured to inductively couple to the upper plate when the griddle module is arranged in the induction station; a hub configured to support the lower plate and the upper plate between the upper and lower coils of the induction stations and to sequentially position the griddle module through the set of induction stations; and a controller configured to drive the upper and lower coils to heat the food product between the lower plate and the upper plate.

Abstract: A cooking system for using a non-ferromagnetic pot to cook on an induction cooker includes an induction cooker that has a heating surface. A panel is positioned to abut the heating surface. The panel is constructed of a ferromagnetic material wherein the panel is placed in thermal communication with the induction cooker when the panel is positioned on the heating surface. Thus, the induction cooker heats the panel.

Abstract: The present disclosure includes a liquid crystal panel; a backlight that illuminates the liquid crystal panel; a display cover that covers a display surface of the liquid crystal panel; a housing case that houses the backlight; a display cover support case to whose inside the housing case is fixed and whose outer circumferential surface serves as a pasting surface pasted to the display cover; pressure-sensitive adhesive members that are arranged between the pasting surface of the display cover support case and the display cover, and join together the display cover and the display cover support case with a pressure-sensitive adhesive force; and an adhesive that is arranged in an area located on the pasting surface and interposed between the pressure-sensitive adhesive members in the longitudinal direction of the pasting surface, and that bonds together the display cover and the display cover support case.

Abstract: The present invention relates to an induction cooking hob (10) including a number of heating zones (12, 14, 16, 18). Each heating zone (12, 14, 16, 18) comprises or corresponds with at least one induction coil. Each induction coil is connected to a generator. Two or more heating zones (12, 14, 16, 18) are linked or can be linked into a cooking area by a user. The linked heating zones (12, 14, 16, 18) are controlled by a common power setting. An operator interface is provided for operating the heating zones (12, 14, 16, 18). A control unit is provided for controlling the heating zones (12, 14, 16, 18). The operator interface includes actuating elements corresponding with predetermined links (20) between the heating zones (12, 14, 16, 18). The control unit is provided for synchronizing the generators of the linked heating zones (12, 14, 16, 18) by one common controller.

Abstract: An induction cooktop appliance is provided. The induction cooktop appliance includes an induction heating element and a metal top panel positioned above the induction heating element for supporting cooking utensils thereon. The metal top panel defines an opening above the induction heating element. The opening can limit or regulate eddy currents within the metal top panel.

Abstract: A capacitance discharge limiter in which a DC transition protection circuit is provided in a circuit that includes a discharge circuit (which may be a power limiter) between a source and a receiver, with a capacitor situated between the source and the discharge circuit. The DC transition protection circuit is coupled to a reference voltage and to the control voltage input of the discharge circuit, and also between the capacitor and the discharge circuit at a node. The DC transition protection circuit detects the existence of an excess DC or low frequency (typically less than about 1 MHz) voltage potential at the node caused by charge on the capacitor, and regulates the control voltage so as to enable the discharge circuit to discharge the capacitor to protect the receiver.

Abstract: An inductive heating device is structured such that a coil base and ferrites placed under a heating coil in the vertical direction are flushed with each other at their lower surfaces and are directly placed on a heat dissipation plate. A heat conductive member is charged between the ferrites and an electrical insulating member sandwiched between the heating coil and the ferrites, at least at a portion thereof, so that thickness variations in the ferrites are absorbed thereby, which realizes a state where they are thermally coupled to each other from the heating coil to the heat dissipation plate.

Abstract: An induction heating cooker and a control method thereof that stably adjust power of a cooking coil when a plurality of containers having different cooking conditions is placed on the cooking coil includes a plurality of heating coils disposed below a cooking plate and a controller to determine whether a container is placed on the heating coils, wherein the controller determines whether a plurality of containers is placed on one of the heating coils and, when the containers are placed on one of the heating coils, adjusts a power of the heating coil on which the containers are placed based on powers of other heating coils occupied by the containers. Cooking using a plurality of containers is stably performed based on user intention even when cooking conditions of the containers placed on a heating coil differ.

Abstract: In an induction heating device having an induction coil for an induction hob, the induction coil may be of flat or planar design and have at least one peripheral coil turn comprising coil wire. The outer contour of the induction coil or the outermost coil turn may be approximately trapezoidal having two sides of equal length which are situated opposite one another and may be straight, and having two short sides of differing length between the sides of equal length.

Abstract: A cook-top or hob includes multiple inductors and at least three heating zones which are operated by the inductors. A single power electronics subassembly supplies the inductors with heating current and includes a common rectifier which is operably connected to the inductors for rectifying an alternating current supplied by a single phase of a household electrical system.

Abstract: 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.

Abstract: A transparent or translucent glass-ceramic plate, capable of covering or receiving at least one underlying heating element. The plate has a coating which at least partly masks the underlying heating element(s), while still allowing the heating element(s) and optional displays to be detected. At least 90% of the coating is on the face of the plate to be turned toward the heating element(s) and optional displays in the use position. The coating has a region or a group of regions known as a background region(s), wherein the background region(s) occupy most of the surface of the coating. The coating also has a region or a group of regions known as indicating region(s), wherein the indicating region(s) making it possible to display, relative to the background region(s), a pattern, a sign and/or the location of functional elements while also making it possible to detect if the elements are in operation.

Abstract: In one aspect, the present invention provides a consumer appliance that uses RF energy to heat foods stored in a container that is suitable for RF heating.

Abstract: A method of optimizing performance of a cooktop with a plurality of adjacent heating zones includes indicating a point for each heating zone; placing a cooking vessel on the cooktop, the cooking vessel being sufficiently large to cover at least two of the points simultaneously; and adjusting the cooking vessel so that the cooking vessel covers the maximum number of the points possible for the size of the cooking vessel. A cooktop includes at least three induction heating elements; and a persistent indicator for each heating element. The cooktop is adapted to instruct a user to cover a maximum possible number of the at least three persistent indicators with a cooking vessel to optimize use of the cooktop.

Abstract: A cooking device having an electrical heating element is arranged on a carrier element. At least one electrical wire is connected with the carrier element. The connection is facilitated by a reception element having two recesses forming undercuts and a connection member with a basis structure and an electrical contact for engagement with the wire. The connection member has two protrusions extending from the basis structure of the connection member and can be inserted into the recesses.

Abstract: An induction cooktop may include: a cooking surface; an induction coil; electronic circuitry coupled to said induction coil; and a housing surrounding at least a portion of said induction coil and at least a portion of said electronic circuitry, and said housing comprising a fan chamber comprising: a fan; at least one ribbed wall; and a fan cover covering at least a portion of said fan so as to direct airflow over said electronic circuitry. According to various exemplary embodiments, various preset operating ranges, precise temperature control using discrete increments may be used, as well as power calibration, noise reduction, ultra wide temperature range cooking, flexible programming, extensive multi-stage long duration cooking and memories, including selectable delays, pause features, high temperature searing, low temperature cooking, ultra high frequency high temperature operation, immediate fan shutoff, multiple temperature unit convertible display, multi-stage, and/or multi-step cooking, are disclosed.