Abstract: A cooktop appliance apparatus for use in cooking includes a controller for controlling operation of the fan system based on an average power level supplied to a heating system, and based on a temperature measure associated with one or more subsystems. The appliance includes a hardware-implemented safety module having two or more temperature actuated safety circuits. The appliance includes a user interface adapted to receive a user input with respect to operating parameters of the heating system, the user input including a heating control mode and a set temperature. The appliance includes a controller adapted to identify a cooking vessel on an induction cooktop.

Abstract: A fume extraction device for the downward extraction of cooking fumes comprises at least one inflow opening for the inflow of the cooking fumes, and at least one fan for suctioning the cooking fumes at the at least one inflow opening, such fan having a fan propeller that is mounted so as to be rotatable about a rotation axis, wherein the rotation axis is oriented so as to be inclined in relation to a horizontal plane and to a vertical direction.

Abstract: A furnace for the heat treatment of a metal product includes constitutive elements, each having a thermal inertia property determined from physical parameters. The constitutive elements include walls delimiting at least partially the furnace, a heating unit for heating the metal product, and a rapid heating element for heating the metal product. The furnace also includes a control circuit for controlling the heating unit and/or the rapid heating element, based on one or more thermal inertia properties of one or more constitutive elements of the furnace, and at least based on a ground of a constitutive element of said furnace.

Abstract: A system and method for inductive heating applications includes positioning one or more inductive heating elements in a location, delivering electromagnetic radiation, by a radiation source, to heat at least a portion of the one or more inductive heating elements, and detecting, by a detector, the heat generated by the one or more inductive heating elements. The system and method also include controlling, by a processing unit, a condition based on the detected heat.

Abstract: Systems and methods for the manufacture of a solid wire using additive manufacturing techniques are disclosed. In one embodiment, a fine powdery material is sintered or melted or soldered or metallurgically bonded onto a metal strip substrate in a compacted solid form or a near-net shape (e.g., a near-net solid wire shape) before being turned into a final product through forming or drawing dies.

Abstract: An induction heating system includes interchangeable secondary induction heating assemblies and/or secondary induction heating coil flux concentrators that are specifically configured for the particular type of weld being created and/or the particular weld joint where the weld is created. For example, the secondary induction heating assemblies and/or secondary induction heating coil flux concentrators may have specific physical configurations (e.g., shapes, contours, etc.) and/or include specific materials (e.g., ferrites) that are well suited for the particular type of weld being created and/or the particular weld joint where the weld is created.

Abstract: An induction heating device includes: a base plate; a working coil disposed vertically above the base plate, the working coil including a conducting wire that is annularly wound; a ferrite core that is disposed on an upper surface of the base plate, that is disposed vertically below the working coil, and that is configured to direct upward an alternating magnetic field generated by the working coil; and an insulating member attached to an outer portion of the ferrite core and configured to electrically insulate the working coil from the base plate.

Abstract: A cooking appliance, in particular an induction oven appliance, includes a cavity having a wall, at least one induction heating element, and at least one electrically conductive screening element for screening an electric and/or magnetic field generated by the induction heating element. The induction heating element can be arranged on the wall of the cavity.

Abstract: A nozzle structure applying an RF heating device for a 3D printer, the structure includes: a nozzle unit for melting and discharging an inflowing material using heat transferred from the outside; a transfer unit for transferring the material to the nozzle unit; an RF nozzle heating unit for heating up the nozzle unit using a high frequency so that the material is melted in the nozzle unit; and a cooling unit for cooling down the heat discharged from the nozzle unit 100 to the outside.

Abstract: A tunnel oven and associated method for the heat treatment of friction elements, and in particular braking elements such as brake pads is provided. The friction elements are arranged on a resting surface of a conveyor device, are moved between an inlet opening and an outlet opening of the tunnel oven, and are heated by irradiation by at least one heating device. The heating device includes a radiating plate made from stainless steel arranged facing the conveyor device and heated by electromagnetic induction using at least one inductor arranged facing the radiating plate and spaced apart therefrom on the side opposite to the conveyor device. A cooling air flow for the braking elements between the resting surface and the radiating plate is directed in counterflow to a feeding direction of the conveyor device.

Abstract: A nozzle assembly comprising a housing, a nozzle disposed in the housing and connected to an ink supply part, a first coil, which is disposed in the housing, for generating a magnetic field when a power source is applied, a second coil disposed in the housing, disposed so as to surround the nozzle and the first coil and generating a magnetic field when a power source is applied, provided that at least one of the magnetic field effective area and the magnetic field intensity is different from that of the first coil, and a lift part for lifting the nozzle and the first and second coils, respectively, so as to be positioned in the housing or exposed to the outside of the housing.

Abstract: An electromagnetic induction heating cooking appliance may include a body comprising a wireless power transmitter that transmits power wirelessly, a first wireless communication module that transmits and receives signals wirelessly, and an electromagnetic induction heater that heats food or food materials accommodated in a space in the body using an induced current, and a door comprising a wireless power receiver that faces the wireless power transmitter, a second wireless communication module that faces the first wireless communication module, and an electronic device connected to the wireless power receiver that receives power via the wireless power receiver. The door may be coupled with the body such that it opens and closes the space in the body.

Abstract: A method for additively manufacturing an article includes providing or obtaining a build material, directing a first energy beam at the build material to raise the temperature of the build material above a melting point of the build material, and thereafter withdrawing the first energy beam to allow the build material to solidify into a first layer. The method further includes directing a second energy beam at the first layer, wherein the second energy beam differs from the first energy beam in that the second energy beam is of insufficient energy to cause melting of the first layer of build material and after directing the second energy beam at the first layer, providing additional build material over the first layer. The second energy beam will have an effect of reducing or eliminating residual stresses of each build layer. The energy of the second energy beam can be controlled using a thermal or optical feedback loop.

Abstract: A high-frequency heating apparatus includes: an open-top shield housing made of a ferrite material; a plurality of main high-frequency oscillation members radially arranged around the center of the shield housing; main extension/reduction transfer members configured to transfer the main high-frequency oscillation members; and a high-frequency oscillation controller configured to cause the main high-frequency oscillation members to generate high-frequency waves; wherein each of the main high-frequency oscillation members includes: a main oscillator housing configured to have a high-frequency wave emission hole; a main high-frequency oscillator configured to generate high-frequency waves; and a main high-frequency wave disperser configured to have a high-frequency wave dispersion hole; and wherein the main extension/reduction transfer members include respective main solenoid plungers configured to selectively move the main oscillator housings forward and backward.

Abstract: A system and method for inductive heating applications includes positioning one or more inductive heating elements in a location, delivering electromagnetic radiation, by a radiation source, to heat at least a portion of the one or more inductive heating elements, and detecting, by a detector, the heat generated by the one or more inductive heating elements. The system and method also include controlling, by a processing unit, a condition based on the detected heat.

Abstract: An aerosol delivery device is provided that includes a substrate configured to carry an aerosol precursor composition, and includes an induction transmitter, induction receiver and control component. The induction transmitter is configured to generate an oscillating magnetic field. The induction receiver is positioned in proximity to the substrate, and configured to generate heat when exposed to the oscillating magnetic field and thereby vaporize components of the aerosol precursor composition. The control component is configured to direct current to the induction transmitter to drive the induction transmitter to generate the oscillating magnetic field, with the control component being configured to direct the current according to a zero voltage switching (ZVS) inverter topology.

Abstract: A hybrid induction welded piston including an upper piston part welded to a lower piston part is provided. The piston is produced by induction heating the upper piston part and the lower piston part, and bringing the parts together to a part growth compensated position. The method then includes rotating the upper piston part 17 to 34 degrees clockwise and then 17 to 34 degrees counterclockwise. In addition to controlling the axial position and degree of rotation, the force applied to the piston parts is controlled so that preferably no flash is formed in a narrow cooling chamber of the piston. During the rotating steps, the pressure gradually increases to a maximum level which occurs while the upper piston part is rotating in the second direction. The piston includes a homogenous metallurgical bond across the weld and no indentation on the outer surface at the weld prior to machining.

Abstract: A fillet at the connection between a round land and a connecting line by calculating a first point of contact (POC) between the connecting line and a first circle and a second POC between the round land and the first circle, the first circle being in contact with the round land and the connecting line; calculating a third POC between the round land and a second circle and a fourth POC between the connecting line and the second circle, the second circle being in contact with the round land and the connecting line at the opposite side of the first circle; and calculating the arc fillet defined as a region surrounded by a first arc between the first and second POCs, a second arc between the third and fourth POCs, a third arc between the fourth and first POCs, and a line segment between the second and third POCs.

Abstract: The invention relates to a method for producing a low-pressure turbine blade from a TiAl material by means of a selective laser melting process, wherein during production in the selective laser melting process the already partially manufactured low-pressure turbine blade is preheated by inductive heating, and wherein the selective laser melting process is carried out under protective gas, the protective gas atmosphere containing contaminants of oxygen, nitrogen, and water vapor in each case of less than or equal to 10 ppm.

Abstract: A workpiece may be heated with one or more induction heating coils coupled to an induction heating and control system. The heating is done in conjunction with a metal working operation, such as welding. The heating may be performed to remove coatings and the like before welding, to apply claddings and the like following welding, to allow for improved porosity of a weld bead, and so forth. Induction heating heads may be placed before or after a welding torch, and may be moved with or independently. One or more induction heating heads may be placed in pipe to be welded, such as on, in, or adjacent to an internal pipe claim that holds pipe during welding.

Abstract: A multifunctional dental workstation for manipulating and shaping dental wax comprises a plurality of electric hotplates; an electrically controlled knife power socket, control panels; and an induction coil heater. The workstation comprises at least two electric hotplates.

Abstract: A device for additive manufacturing of components by selective irradiation of a powder bed, having a processing chamber -in which at least one powder bed chamber and at least one radiation source are arranged such that the radiation source can irradiate a powder in the powder bed chamber, and wherein the device includes at least one induction coil, so that a component which is produced by irradiation of the powder bed can be at least partially inductively heated, and wherein the induction coil is movable relative to one or more powder bed chambers. A method for additive manufacturing of components by selective irradiation of a powder bed, in which method the component being manufactured is inductively heated at the same time, wherein the position of one or more induction coils for inductive heating is determined and adjusted based on the geometry of the component to be produced.

Abstract: A plasma system includes a plasma arc torch, a cylindrical tube and an eductor. The plasma arc torch includes a cylindrical vessel having a first end and a second end, a first tangential inlet/outlet connected to or proximate to the first end, a second tangential inlet/outlet connected to or proximate to the second end, an electrode housing connected to the first end such that a first electrode is (a) aligned with a longitudinal axis of the cylindrical vessel, and (b) extends into the cylindrical vessel, and a hollow electrode nozzle connected to the second end of the cylindrical vessel. The cylindrical tube is attached to the hollow electrode nozzle and aligned with the longitudinal axis, the cylindrical tube having a side inlet and a radio frequency coil disposed around or embedded within the cylindrical tube. The eductor is attached to the cylindrical tube and aligned with the longitudinal axis.

Abstract: A molding device for the shaping of a material includes: a lower mold body, or die, made from an electrically conductive material and including a molding zone intended to be in contact with the material to be shaped; an upper mold body, or punch, made from an electrically conductive material, and including a molding zone intended to be in contact with the material to shaped; a removable intermediate part, or core, made of an electrically conductive material, and intended to be inserted between the die and the punch; induction elements for generating a magnetic field that surrounds the die, the punch and the intermediate part; these three components being electrically insulated in pairs, so that the opposite faces of the intermediate part and the die, and those of the intermediate part and the punch, delimit two air gaps in which the magnetic field flows which induces currents at the surface of the molding zones of the die and the punch, thus making it possible to localize the action of the inductors at the

Abstract: The present invention relates to a contactlessly chargeable heater. In one example, the contactlessly chargeable heater includes: an induction patch emitting magnetic field by means of current applied to an inner coil; and a heating body, receiving the magnetic field from the charging patch to perform a contactless charging operation, and including a conductive metal yarn for emitting heat via the power generated through the contactless charging operation. The conductive metal yarn is woven together using threads within the heating body.

Abstract: A permanent magnet thermal generator having a rotating chamber with an attached optionally rotational heat element in close proximity to one or more permanent magnets. The relative motion of the heat element to the magnetic flux from the magnets results in heat generation and in some cases in levitation. Clothe driers, air furnaces, water heaters and other systems incorporating a permanent magnet thermal generator are also set forth.

Abstract: Disclosed is a magnetic annealing apparatus which performs a magnetic annealing on workpieces held in a workpiece boat by using a horizontal superconducting magnet as a magnetic field generating unit. The magnetic annealing apparatus includes a carrier configured to accommodate the workpieces before the magnetic annealing process; and a workpiece conveyance mechanism configured to convey the workpieces held in the carrier to the workpiece boat. The workpiece conveyance mechanism is capable of holding the workpieces in either a horizontal state or in a horizontal state.

Abstract: The present invention relates to thermoplastic products. In particular, the present invention relates to systems and methods for heating a thermoplastic product. While the thermoplastic product can include any suitable ingredient, in some cases, it includes one or more electrically-conductive materials, such as iron. Also, while the thermoplastic product can be melted in any suitable manner, in some cases, an inductive heater is used to heat the electrically-conductive material and thereby melt the thermoplastic product. In some cases, the thermoplastic product is configured to be melted on demand. While this can be accomplished in any suitable manner, in some instances, the thermoplastic product is formed into an elongated shape, such as rope, that is fed past a heater, such as an inductive heater, to melt the product. In other cases, the thermoplastic product is melted in a vat that is heated by an inductive heater. Other implementations are also described.

Abstract: A method of heat treating an engine component includes connecting a disk having a plurality of titanium components to a fixture, positioning one of the titanium components into an induction coil loop, providing an alternating current to the induction coil loop, heat treating the titanium component positioned in the induction coil loop and, monitoring a temperature of the heat treating.

Abstract: A method of operating a microwave oven and a microwave oven are disclosed. The microwave oven comprises a magnetron for providing microwave power to heat a load placed in the microwave oven, and a solid-state microwave generator for providing microwave power to sense presence and/or determine nature of the load in the microwave oven.

Abstract: In order to provide a heat treatment apparatus that is high in thermal efficiency, and can reduce a surface roughness of a specimen surface even when a specimen is heated at 1200° C. or higher, in a heat treatment apparatus that conducts a heat treatment by the aid of plasma, a heat treatment chamber includes a heating plate that heats a specimen by the aid of the plasma, and an electrode that is applied with a plasma generation radio-frequency power. The heating plate includes a beam, and is connected to the heat treatment chamber through the beam and the thermal expansion absorption member, and the thermal expansion absorption member has an elastic member.

Abstract: A beverage mixing system/method allowing faster mixing/blending of frozen beverages is disclosed. The system/method in various embodiments utilizes inductive coupling to introduce heat into the frozen beverage during the mixing/blending process via a rotating driveshaft and attached mechanical agitator to speed the mixing/blending process. Exemplary embodiments may be configured to magnetically induce heat into the driveshaft and/or mechanical agitator mixing blade to affect this mixing/blending performance improvement. This heating effect may be augmented via the use of high power LED arrays aimed into the frozen slurry to provide additional heat input. The system/method may be applied with particular advantage to the mixing of ice cream type beverages and other viscous beverage products.

Abstract: Disclosed is a method for generatively producing or for repairing at least one area of a component, wherein a zone arranged downstream of a molten bath is post-heated to a post-heating temperature and the component is set to a base temperature, and also a device for carrying out such a method.

Abstract: The melter includes a vessel and structure for introducing waste material into the vessel. Waveguide structure is provided for introducing millimeter wave electromagnetic radiation into the vessel to heat the waste material. A gyrotron is a preferred source for the millimeter wave electromagnetic radiation.

Abstract: A cooking appliance. The cooking appliance includes a cook top for a kitchen. One side of the cook top includes a cooking area with cooking areas. The cooking areas may be operated via an induction cooker. The bottom side of the cooking appliance has a display. The display can provide useful information thereon such as the time. The cook top can be arranged in a first horizontal position for use of the cooking areas, and folded to a second vertical position during non use to display information on the display. The cooking appliance also includes a data reader, such as an RFID reader or bar code scanner to obtain data from a food product package. The data may include suggested recipes, cooking temperatures, and/or cooking times. The obtained data may be used to assist in controlling the operation of the cooking areas.

Abstract: A method of manufacturing a component by selective laser melting and to provide heat treatment to the component is provided. The method includes building a heat treatment device adapted to provide a heat treatment to the component as part of the same selective laser melting for manufacturing the component and providing a heat treatment to the component by the heat treatment device.

Abstract: An image heating apparatus includes a belt unit, a coil unit, a rotatable driving member, and positioning and urging mechanisms. The belt unit includes an endless belt to heat a toner image on a sheet at a nip portion. The coil unit opposes an outer surface of the belt and generates a magnetic flux for heating the belt. The driving member rotates the belt and forms the nip portion with the belt. The positioning mechanism positions the coil unit with respect to the belt unit and includes two positioning portions on each side of the coil unit with respect to a longitudinal direction thereof. The urging mechanism urges the coil unit toward the belt unit. The coil unit is supported by the belt unit at three of the four positioning portions.

Abstract: An apparatus for heating and impelling air comprises a housing, an air heating impeller assembly, and a magnetic assembly. The impeller assembly may impel air through the housing and heat the air, and may include a support shaft, a plurality of annular disks positioned along the support shaft and each having a central aperture through which the support shaft extends. The impeller assembly includes paddles radiating outwardly from the shaft, and each of the paddles is positioned between the shaft and the disks to space at least one disk from the support shaft to form an air path therebetween. The paddles space the disks in an axial direction to form gaps therebetween to form an air path between the disks. The magnetic assembly applies a magnetic field of adjustable intensity to the disks to cause heating of the disks.

Abstract: A water heating system includes a power receiving module for receiving wind power and a heat generating module. The power receiving module further includes a fan unit and a transmission unit. The heat generating module connected with the transmission unit further includes at least one flywheel, a plurality of permanent magnets, at least one electric conductive member and at least one water jacket member. The fan unit driven by winds rotates the flywheel as well as the permanent magnets through the transmission unit, such that the permanent magnets can rotate about the electric conductive member so as to cause the electric conductive member to generate heat. The heat is then introduced by conduction to heat up the medium contained in the water jacket member, and thus the thermal energy can be stored into a heat-storing tank.

Abstract: The present invention relates to a method for coating a component (1) of a gas turbine or an aircraft engine, in particular for producing a blade-tip armor cladding on a blade of a gas turbine or aircraft engine, in which a coating material is applied to the component with a solder and the component is heated inductively, with at least the solder of the coating material being heated by means of a laser (4) in such a way that solder connection between the component and the coating material is achieved, as well as a corresponding device for carrying out the method.

Abstract: A consumer unit (7) for converting inductively transmitted electric power. The device comprises at least one secondary coil (5) for accepting power from a alternating electromagnetic field. The secondary coil (5) is electrically connected to at least one consumer in which the electric power is converted. The consumer unit (7) is designed as a replaceable module for an induction furnace (25).

Abstract: Embodiments of an exemplary induction cooktop apparatus or system, may include an induction cooking unit; an interface adapted to receive, store, and execute a plurality of instructions of a multistage programmable recipe using said induction cooking unit; a power supply adapted to be coupled to a power source; a controller coupled to said power supply, said interface, and said induction cooking unit adapted to control said induction cooking unit according to said plurality of instructions of said multistage programmable recipe. An embodiment may include a system, method, and computer program product comprising: an induction cooking unit; receiving at an interface a plurality of instructions of a multistage programmable recipe; storing instructions in a memory; executing instructions in a controller coupled to the memory and induction cooking unit, so as to control the induction cooking unit in accordance with instructions of the multistage programmable recipe.

Abstract: A cooking system for cooking foods using a combination of magnetic induction, convection and radiant heat, including a magnetic induction stage proximate the inlet end of a cooking chamber in which food is cooked by convention and radiant heating. A conveyor system, either continuous or configured in stages, passes food from the magnetic induction heating stage to and through the radiant and convention heating stages.

Abstract: In a heating cooker, an object to be heated is placed on a top plate and is heated by a heating unit located below the top plate. The top plate is translucent and a fluorescent display tube is located below the top plate. The top plate is configured to have spectral transmission characteristics in a visible light range such that the spectral transmission at a wavelength of approximately 500 nm corresponding to blue or green is substantially one third of a spectral transmission at a wavelength of approximately 700 nm corresponding to red such that the spectral transmission is gradually rendered larger as the wavelength is increased from approximately 500 nm to approximately 700 nm.

Abstract: The present invention concerns a method for forge welding of tubes, rods, bolts or other axial symmetrical profiles. According to the methods the profile ends are formed by plastic deformation and/or machine cutting processes, such that they obtain a reduced cross section/thickness, the profile ends are locally heated electromagnetically by induction and/or direct high frequency resistance heating and profile ends are then pressed together. The forming step comprises given one of the profile ends a double arched shape. Preferably the other profile end is given a convex shape.

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: Disclosed is a heat treatment system for semiconductor devices. The heat treatment system is used in a heat treatment process for semiconductor devices, such as a crystallization process for an amorphous silicon thin film or a dopant activation process for a poly-crystalline silicon thin film formed on a surface of a glass substrate of a flat display panel including a liquid crystal display (LCD) or an organic light emitting device (OLED).

Abstract: A cooking or food warming appliance having a heated heat sink plate situated in a vacuum environment within an outer shell. A food vessel intimately engages the heat sink plate along a food contacting surface thereof by virtue of the vacuum. The vacuum eliminates air gaps between the food contacting surface of the food vessel and the heat sink plate so as to provide instantaneous and uniform heating of the food vessel. The vacuum environment also provides thermal insulation for the heat sink plate whereby heat loss by convection is virtually eliminated.

Abstract: A cooking appliance. The cooking appliance includes a cook top for a kitchen. One side of the cook top includes a cooking area with cooking areas. The cooking areas may be operated via an induction cooker. The bottom side of the cooking appliance has a display. The display can provide useful information thereon such as the time. The cook top can be arranged in a first horizontal position for use of the cooking areas, and folded to a second vertical position during non use to display information on the display. The cooking appliance also includes a data reader, such as an RFID reader or bar code scanner to obtain data from a food product package. The data may include suggested recipes, cooking temperatures, and/or cooking times. The obtained data may be used to assist in controlling the operation of the cooking areas.

Abstract: Directed energy melter. The melter includes a vessel and structure for introducing waste material into the vessel. Waveguide structure is provided for introducing millimeter wave electromagnetic radiation into the vessel to heat the waste material. A gyrotron is a preferred source for the millimeter wave electromagnetic radiation.