88 results about "Induction heater" patented technology

The application provides a local solid solution heat treatment device and method for girth weld of a stainless steel container, the side wall of the stainless steel container is provided with a girth weld, and the treatment device comprises: a ring-shaped sprayer arranged in the stainless steel container and adapted to the position of the girth weld and used for spraying a coolant to the girth weld; a pair of induction heaters arranged symmetrically outside the stainless steel container and close to the girth weld and used for heating the girth weld; and a plurality of thermocouples uniformly distributed around the girth weld and used for measuring the temperature distribution of the girth weld. The combination of the ring-shaped sprayer, the pair of induction heaters and the plurality of thermocouples realizes automatic control of the heating speed and the cooling speed of the solid solution heat treatment, ensures the comprehensive performance of the product weld and the base metal on both sides, avoids the problem of a large amount of drainage generated by the traditional cooling method, and saves resource consumption.

The utility model provides a container ship hatch coaming thick plate weld joint preheating and post-heating process device, which relates to the field of heating process devices, and comprises a support plate, a brushless motor driving wheel, a positioning upright post and a support upright post, a worm gear lifter is arranged on the supporting upright post and is used for driving the heating working platform above to lift; the heating working platform is connected with an induction electric heater through a sliding rail and a support, and horizontal adjustment of the heating position is achieved. The positioning stand columns are located in the positioning grooves, can move transversely and are provided with screwing bolts to clamp the steel plate. According to the device, the adjustable induction heater is carried through the movable platform, non-contact preheating and post-heating of a welding seam are achieved, welding deformation can be prevented, and the device has the advantages that working hours are saved, efficiency is improved, and operation is convenient.

The utility model relates to the technical field of induction heaters, in particular to an induction heater for microwave measurement, which comprises a device body comprising an induction heater, the bottom end of the induction heater is connected with a placing table, and the outer surface of the induction heater is connected with a connecting wire; and the supporting mechanism comprises a fixing plate, the fixing plate is fixedly connected to the outer surface of the containing table, a fixing block is fixedly connected to the surface of the fixing plate, an adjusting rod is connected to the surface of the fixing block in a penetrating mode, and a bottom plate is movably connected to the bottom end of the adjusting rod. Under the connection of the movable frame and the abutting rod and the abutting contact of the abutting rod and the mounting block, the placing and supporting effects of the induction heater on the placing table are achieved, the disassembly and assembly operation of the induction heater is facilitated, the distance between the supporting blocks is changed through the connection of the supporting blocks and the regulation and control rod under the action of the regulation and control rod, the constraint sleeve deforms, and therefore the induction heater can be conveniently disassembled and assembled. And the binding and supporting effects on the connecting line are achieved.

An induction hob (8) has an induction heater (14) and a cover plate (10) arranged above the induction heater (14). The cover plate (10) has a glass ceramic plate (18) and a decorative plate (16) made of a different material than the glass ceramic plate (18), said decorative plate being arranged over the glass ceramic plate (18). The induction hob (8) is arranged in a kitchen combination, specifically in a recess (6) of a countertop. The decorative plate (16) can be matched visually to the countertop (2). The glass ceramic plate (18) assumes the mechanical supporting function in that its horizontal underside (18a) is supported by a support (22). The glass ceramic plate (18) and the decorative plate (16) are connected to one another only via a frame bracket (30) in their edge regions.

A method comprising the steps of: driving an induction heater resonant circuit at a specified resonant frequency of the resonant circuit in a heating operation mode, wherein the induction heater comprises a switching circuit and a resonant circuit, and the induction heater is for heating a susceptor; comparing the current flowing through the induction heater during the heating operation mode with a target current; and controlling the trigger for a sampling operation mode at least in part based on the difference between the current flowing through the induction heater and the target current, wherein the specified resonant frequency is updated during the sampling operation mode.

Disclosed is a front load laundry appliance comprises a cabinet having a cabinet inlet vent, a drum positioned within the cabinet and accessible through the opening, and a cabinet duct fluidly coupling the cabinet inlet vent to the drum. The appliance defines an inlet flow path through a door duct, the cabinet inlet vent, and the drum. An induction heater comprising an induction coil and a heat transfer element is located within the inlet flow path such that a flow of inlet air in the inlet flow path passes over the heat transfer element.

The utility model belongs to the technical field of die steel heat treatment quenching, and discloses die steel heat treatment quenching equipment which comprises a box body, a high-frequency induction heating machine and a rotatable clamping seat, the high-frequency induction heating machine is installed on one side of the inner wall of the box body, a first sliding groove is formed in the inner wall of one side of the box body, and a first lead screw is rotationally connected into the first sliding groove; a first sliding block is in threaded connection with the periphery of the first lead screw, a supporting rod is installed on one side of the first sliding block, the other end of the supporting rod is connected with one side of the rotatable clamping base, a pair of second sliding grooves are formed in the inner walls of the two sides of the box body, a second lead screw is rotationally connected into the second sliding grooves, and a second sliding block is in threaded connection with the periphery of the second lead screw. A pair of connecting rods is installed on the upper end face and the bottom end face of the second sliding block, connecting blocks are installed at the other ends of the pair of connecting rods, and a scraper is installed between the pair of connecting blocks at the corresponding positions. The device is simple and reasonable in structure, novel in design, easy to operate, high in practicability and convenient to widely popularize and use.

The present invention discloses a heating unit for heating a continuous web (18, 20), comprising: a heating roller (44) that rotates about a rotation axis (46) and has an outer surface (86) including a pattern of a heat-conducting region (88) and an insulating region (90); and at least one induction heater (98) electromagnetically coupled to the heat-conducting region (88) of the outer surface (86) of the heating roller (44).

The invention provides a molten salt uniform heating device and method, and belongs to the technical field of molten salt heating. The molten salt uniform heating device comprises an induction heater, a metal block, a temperature sensor and a memory alloy; the induction heater is annularly arranged and is fixedly mounted on the pipe wall of the flowing pipeline; the metal block body is installed in the heating area and fixedly connected with the inner wall of the flowing pipeline, and a conical hole and a spiral flowing seam are formed in the metal block body; the temperature sensor is installed on the metal block and used for monitoring the temperature of the metal block. The temperature sensor is in communication connection with the control module of the induction heater; the memory alloy is annularly arranged and is fixedly mounted on the lower end surface of the metal block body; the upper end of the memory alloy is in butt joint with a lower hole opening of the conical hole. The memory alloy deforms to vary the effective flow area. According to the molten salt uniform heating device provided by the invention, the separation of a turbulent flow function and a reducing function is realized, and the heating uniformity of the molten salt is greatly improved.

A method for producing a grain-oriented electrical steel sheet including hot rolling a steel material to obtain a hot-rolled sheet, subjecting the hot-rolled sheet to one cold-rolling step, or two or more cold-rolling steps with intermediate annealing interposed between each cold-rolling step so as to obtain a cold-rolled sheet with a final thickness, and subjecting the cold-rolled sheet to decarburization annealing which also serves as primary recrystallization annealing and then to finishing annealing, in which the decarburization annealing includes a heating step in which the steel sheet is rapidly heated at an average heating rate of 250°C / s or more from 400°C to a temperature T(°C) of 700 to 900°C and then held at a heating rate of 2 / 3 of the average heating rate or less in any of temperature ranges between 500°C and 700°C for a time of 0.10 seconds or more but less than 1.00 seconds, whereby a grain-oriented electrical steel sheet with excellent magnetic properties is produced. A transverse induction heating device is used for the rapid heating of the decarburization annealing.

A cooking apparatus (100) is provided for an induction heating utensil (102) and for driving movement of a utensil mechanical coupling (104). The cooking apparatus includes an induction heating element (110) for induction heating the utensil and a support member (114) for supporting the utensil while the utensil is induction heated by the induction heating element. The cooking apparatus also includes a motor assembly (116) and an apparatus mechanical coupling (118) for engaging with the utensil mechanical coupling to enable the motor assembly to drive movement of the utensil mechanical coupling. The cooking apparatus further includes at least one magnet (126) for magnetically attracting the utensil and / or utensil mechanical coupling to facilitate engagement of the utensil mechanical coupling with the apparatus mechanical coupling. A cooking assembly (106) is further provided including the cooking apparatus and one or both of the utensil and utensil mechanical coupling.

The utility model relates to heat treatment equipment technical field, and disclose a kind of heat treatment equipment for forging gear processing, including cooling platform, high-frequency induction heater is placed in the rear end middle place of cooling platform, the front end of high-frequency induction heater is provided with insulating coil, the upper and lower sides of insulating coil are all provided with positioning head, the outside of the positioning head of upper side is fixedly sleeved with bearing in close to upper side, the outside of bearing is fixedly sleeved with lifting plate, the lower end of lifting plate is fixedly connected with connecting frame in the middle of left and right sides, connecting frame is fixedly connected with annular water tank between lower end, the lower end of annular water tank is communicated and fixedly connected with the evenly distributed elbow pipe. The equipment is cooperated by upper and lower two groups of positioning head, realizes the accurate center positioning to gear, improves heat treatment effect, is more safe, while simple and ingenious structure, realizes the linkage of lifting process and induction coil cooling, reduces use cost.

Disclosed in the present invention is vacuum coating apparatus for uniformly distributing metal steam using a uniform mixing buffer structure, comprising a crucible, wherein an induction heater for heating molten metal in the crucible to form metal steam is arranged outside of the crucible. A top of the crucible is connected to a flow distribution tank body by means of a metal steam pipeline. A horizontal core rod and a pressure stabilizing plate are arranged inside the flow distribution tank body. The core rod is located below the pressure stabilizing plate. A coating nozzle is arranged at the top of the flow distribution tank body. An induction coil is arranged on the outer side of the flow distribution tank body. A pressure regulating valve is arranged on the metal steam pipeline. A plurality of axial heating holes are provided inside the core rod, resistance wires are arranged inside the heating holes, and a primary guide plate, a secondary guide plate and a tertiary guide plate are arranged on the surface of the core rod; and a buffer groove is provided on the inner wall of the flow distribution tank body, and the buffer groove corresponds to the core rod in position. According to the present invention, when high-temperature steam makes contact with a low-temperature steel plate, a uniform coating is formed on the surface of the steel plate.

An annealing system for a semiconductor substrate includes a process chamber having a central axis and one or more process zones. A carrier positioned in the process chamber may be configured to support the substrate during processing. One or more induction heaters may be positioned in the process chamber to heat the substrate during processing. The system may also include a removable cap with a heat shield. The cap may be configured to be inserted and removed from the process chamber through an opening on the process chamber wall. When the cap is used it may be coupled to the process chamber such that its heat shield is disposed above the substrate positioned on the carrier.

The invention relates to an aerosol-generating device comprising an induction heater for heating an aerosol-forming substrate. The induction heater includes an induction coil and a heating element, wherein the heating element may be disposed within the induction coil. The induction coil includes a side opening along a longitudinal length of the induction coil. The side opening is configured to enable access to the heating element. The aerosol-generating device further comprises a housing wherein the induction coil is disposed within the housing, and wherein the housing comprises a side opening corresponding to the side opening of the induction coil within the housing.

Disclosed herein is a system and method that has been developed that includes heating a reactor with an induction heater. The reactor includes a single catalyst bed including a catalyst and a ferromagnetic material. The system also includes an induction heater that is configured to heat the single catalyst bed.

An annealing system for a semiconductor substrate includes a process chamber having a central axis and one or more process zones. A carrier positioned in the process chamber may be configured to support the substrate during processing. One or more induction heaters may be positioned in the process chamber to heat the substrate during processing. The system may also include a removable cap with a heat shield. The cap may be configured to be inserted and removed from the process chamber through an opening on the process chamber wall. When the cap is used it may be coupled to the process chamber such that its heat shield is disposed above the substrate positioned on the carrier.

An induction warmer station for use with food wrapped in foil includes a cooktop, an induction coil coextensive with the cooktop, and power electronics configured to respond to a changing amount of foil on the cooktop by driving an alternating current in the induction coil toward a setpoint.

This invention provides an induction heating-assisted friction stir additive manufacturing method and apparatus, belonging to the field of metal additive manufacturing technology. The method includes: preparing an additive layer using a hollow rotating shoulder with several arc-shaped grooves on its bottom end face, the arc-shaped grooves gradually opening from the center to the outer edge of the end face and closing at both ends; an induction heater is disposed on the rotating shoulder, the induction heater including a U-shaped induction heating coil and a power connection and mounting part, the U-shaped induction heating coil being suspended below the rotating shoulder, the two sides of the U-shaped induction heating coil being parallel to a preset additive direction; a high-frequency current is passed into the induction heater, and the U-shaped induction heating coil heats the outer edges of the additive layer on both sides through the two sides. The technical solution of this invention solves the problems of poor edge bonding, large flash, and poor forming quality in existing friction stir additive manufacturing of copper alloys and high-melting-point metals.

This utility model relates to a heating device for the throat of a riser pipe in a low-pressure casting machine. It includes a crucible containing molten aluminum, with a riser pipe inserted into the crucible and extending into the molten aluminum. An induction heater is fitted at the throat of the riser pipe, connected to a heating unit. A steel flange is located in the middle of the induction heater, fitting snugly against the outer wall of the throat of the riser pipe. This utility model achieves integrated control through a heating unit, using electromagnetic induction to precisely control the temperature of the riser pipe throat. The steel flange in the middle of the induction heater allows heat to be conducted to the riser pipe and then to the molten aluminum as the flange heats up, effectively solving the problem of aluminum solidification.

An annealing system for semiconductor substrates includes a process chamber with multiple angularly arranged zones. A carrier rotates substrates between a first and second zone. An induction heater in the first zone heats the substrate, while a heat shield above the substrate, composed of thermally insulating material, controls temperature. The shield has a crown and rim, with one or more resistive heaters to adjust the rim's temperature relative to the temperature of the crown for improving uniformity of substrate temperature.

An induction heater system for manufacturing electrodes for various energy storage devices may include a generator configured to generate power. The system may also include an induction heating coil disposed adjacent an end of at least one of the first roller or the second roller and configured to generate an electromagnetic field based on the power. The system may also include a heater plate surrounding an end of at least one of the first or second rollers, the heater plate configured to receive the electromagnetic field and generate an eddy current, the eddy current generating heat on the heater plate based on induction of the electromagnetic field, the generated heat is transferred to one end or both ends of at least one of the first roller or the second roller via heat conduction.

The invention discloses a shape memory alloy crack repairing method and device for a heat-resistant steel high-temperature part of a boiler, and belongs to the technical field of crack repairing of heat-resistant steel parts of the boiler, and the method comprises the steps of crack pretreatment, repairing material preparation, patch pre-deformation, composite assembly, quality verification and accurate heating curing. The device comprises a Ti-Ni-Hf alloy patch, a stainless steel rivet, a phosphate inorganic adhesive, a local heating module and a temperature monitoring module, the local heating module is an induction heater with a temperature control unit, and the temperature control precision is + / -5 DEG C; the temperature monitoring module comprises a thermocouple sensor, and a probe of the thermocouple sensor is attached to the surface of the patch and used for feeding back the heating temperature to the temperature control unit in real time, so that closed-loop control over the heating process is achieved. The method can effectively repair cracks of the heat-resistant steel high-temperature part of the boiler, and ensures long-term sealing integrity and mechanical reliability.

The utility model discloses a post-welding rapid local heat treatment device for surfacing repair of a plastic mold. The post-welding rapid local heat treatment device comprises fire-resistant asbestos, heat-resistant stainless steel balls, an induction heater, an induction heating coil, a temperature thermocouple and a temperature controller. The heat-resistant stainless steel balls are rapidly heated through the induction heating coil, and then the surfacing repair layer of the plastic mold is heated through heat conduction of the heated heat-resistant stainless steel balls, so that rapid local heat treatment after surfacing repair is achieved. The rapid local heat treatment device disclosed by the utility model is simple in structure and convenient to arrange, and can realize rapid heating of the surfacing part of the die.

A flow apparatus and process chamber having the same are described herein. In one example, flow apparatus for use in semiconductor processing comprises an inject assembly and an inductive heater coupled to the inject assembly. The inject assembly comprises an inject body, a first gas inlet configured to flow a first gas through the inject body, and a plurality of flow channels disposed in the inject body, the plurality of flow channels coupled to the first gas inlet. The inductive heater is configured to heat a gas and comprises a heater housing, a graphite rod disposed in the heater housing, the graphite rod having a distal end and proximate end, an inductive coil disposed around the graphite rod, and a second gas inlet configured to flow a second gas between the heater housing and a graphite rod.

The utility model relates to an aerosol generating device and an aerosol generating system.The aerosol generating device comprises a filtering section, a hollow section, an aerosol matrix section and a guiding section which are sequentially connected, and a guiding channel is formed in the guiding section; and a resistance heating device or an electromagnetic induction heating device can penetrate through the guide channel to be in contact with the aerosol substrate section. The aerosol generating device not only can be matched with a resistance heating appliance, but also can be matched with an electromagnetic induction heating appliance, so that the problem of inconvenience in use caused by the fact that two heating appliances of a traditional aerosol generating device cannot be used mutually is solved, and the sensory quality of the aerosol generating device is improved.

The invention discloses a preparation method of a 2200MPa-grade ultra-high-strength hot-formed steel pipe blank, which comprises the following steps: longitudinally cutting a steel coil into strips, and sequentially carrying out curling forming, high-frequency induction welding, slag scraping, induction heat treatment and cooling on the strips; the induction current frequency of the high-frequency induction welding is 300 kHz to 450 kHz; in the induction heat treatment, an induction heater is adopted to heat a welding seam area, and the temperature is controlled to be 500-650 DEG C; the cooling sequentially comprises an air cooling stage and a water cooling stage. The invention further discloses the 2200 MPa grade ultra-high strength hot forming steel pipe blank. According to the method, the brittle cracking problem of the weld zone is fundamentally solved, and the pipe blank forming yield is remarkably increased.

This invention relates to a washing apparatus that uses an induction heater to heat a drum and its control method. The washing apparatus includes: an outer tub; a drum rotatably disposed within the outer tub to hold an object; an induction heater disposed in the outer tub to heat the outer peripheral surface of the drum opposite to the induction heater; a motor to rotate the drum; a power supply device to supply power to the washing apparatus from an external power source; a relay to open and close the current applied to the induction heater via a wire from the power supply device, the relay being normally open; a processor connected to the relay via a control line to control the relay's drive, and to control the drive of the induction heater and the motor; and a first safety device disposed on the control line to open and close the control signal applied from the processor to the relay, operating according to temperature changes.

(a) In the heating mode, a step of driving the resonant circuit of an induction heater at a predetermined resonant frequency of the resonant circuit, wherein the induction heater comprises a switching circuit and a resonant circuit, and the induction heater is for heating a susceptor; (b) A step of measuring the current flowing through the induction heater during the heating mode, (c) A step of comparing a first measurement of current with a second measurement of current, (d) A method comprising the step of controlling the trigger of a sampling mode based at least in part on the comparison in step (c), wherein a predetermined resonant frequency is updated during the sampling mode.

A heating system (e.g. central heating system) comprises a radiator and an induction heater 100 mounted on the radiator to heat at least a portion of the radiator by induction. If the radiator compris