Abstract: A superheated steam generator of an electromagnetic induction type includes: a conduit, which provides a passageway of generated steam; a superheating tank, which is part of the conduit midway through the conduit; and a coil, which is disposed around the superheating tank and is connected to a high-frequency AC power supply, the superheated steam generator further including a magnetic body, disposed inside the superheating tank, which is in contact with the steam in the passage of the steam. According to this construction, superheated steam can be produced more efficiently. In addition, the temperature inside the tank can be increased and decreased more gradually.

Abstract: A method of manufacturing a coil unit includes the first step of disposing a coil between a first frame and a second frame, the second step of pouring liquid resin into between the first frame and the second frame with the coil disposed therebetween, and the third step of curing the liquid resin to thereby fix the first frame, the second frame and the coil to one another.

Abstract: The present invention relates to the field of electromagnetic induction and short circuit heating. The iron core in the heating device of present invention, which is in the form of EI, is completely made of multi-layered silicon steel sheets to form a closed three-phase magnetic loop; each of the three core legs of the EI-formed iron core is coiled with a winding, i.e. the three-phase primary winding; the iron core and the three-phase primary windings are all enclosed in a metal shell, which is the secondary side that surrounds the iron core and the primary winding of each phase along the closed three-phase magnetic loop to constitute the main heating body of this heating device, in addition to act as a protecting shell and a radiator for the iron core and the three-phase primary winding.

Abstract: The invention relates to a temperature-controlled injector for a chemical analysis unit, in particular a gas chromatograph, comprising an injector tube, which can be received by a receiving tube, having a cooling system, which surrounds the receiving tube, through which coolant can flow, which has coolant connections and which is designed as a metallic tube coil, and a resistance heating system for the injector tube, in which injector the receiving tube consists of a material of good thermal conductivity, is electrically insulating towards the outside, and the tube coil rests on the receiving tube, has an electrical resistance which is sufficient to rapidly heat the injector tube and can be acted on by current via electrical connection pieces.

Abstract: A method and apparatus for temperature control of an article is provided that utilizes both the resistive heat and inductive heat generation from a heater coil.

Abstract: An aerosol generator includes an induction heating arrangement to vaporize fluid contained in a fluid passage. The vapor is then expelled from the fluid passage into the air creating a mist that forms the aerosol. The aerosol generator includes an excitation coil that inductively heats a heating element which transfers heat to the fluid in the fluid passage. The fluid passage can be located in a metal tube which can be removably mounted in the aerosol generator.

Abstract: A method of heating water comprises providing a helical passageway in juxtaposition a metal core rod and a coil through which an alternating current is passed. The alternating current generates an alternating longitudinal magnetic field that passes through the metal core rod and gives rise to eddy currents that generate heat. Water flowing along a helical passageway is heated and at the same time the water is magnetized as it cuts across lines of magnetic force of the alternating longitudinal magnetic field. A magnetized water generator for uses with the method comprises two bulkheads, a coil, a metal core rod and an outer tube. The core rod is disposed within the outer tube to create a helical passageway. The outer tube and core rod are disposed within the coil. A bulkhead is disposed on each end of the outer tube. Water enters the helical passageway through the water inlet in one end bulkhead and out of the helical passageway via a water outlet on the other end bulkhead.

Abstract: An apparatus for heating a flowable material comprises a core having a passageway formed therein for the communication of the flowable material, and an electric element coiled in multiple turns against the core in a helical pattern. The electric element, in use, heats the core both resistively and inductively. The electric element has no auxiliary cooling capacity. The electric element may be installed against the outside of the core, with an optional ferromagnetic yoke installed over it, or it may be installed against the inside of the core, embedded in a wear-resistant liner. The yoke and liner may be metallic material deposited such as by hot-spray technology and finished smooth.

Abstract: A high-frequency induction-heating device preferably comprises an introduction part which introduces a gas to be treated; a pyrolysis part which pyrolyzes the gas to be treated; an induction heating coil provided around the outer circumference of the pyrolysis part so as to surround and heat the pyrolysis part, and an exhaust part which exhausts the gas having been decomposed in the pyrolysis part; wherein the pyrolysis part comprises a cylindrical body both ends of which are sealed, slits which communicate the interior with the exterior of the cylindrical body provided on the outer surface of the cylindrical body, and a communication pores to be communicated with an introduction tube which introduces the gas to be treated into the interior of the cylindrical body.

Abstract: A heating faucet 1 according to the present invention comprises a water supply line 3 connected to a faucet 2 to supply water, and a heating unit 4 mounted in midstream of the water supply line 3 to heat water. The heating unit 4 heats water traveling through the water supply line 3. The heating unit 4 requires only small space when installed, thus enabling effective use of the limited lavatory space within the aircraft. The cost of the heating faucet 1 as a whole is cut down, and the heating unit 4 can be easily mounted to the water supply line 3.

Abstract: An apparatus for heating liquids, such as cooking fat, includes a vessel for the liquid to be heated, an electrically inductive impeller disposed in the vessel, a motor for rotating the impeller, to cause the liquid to circulate around the vessel, and a electrical coil on the opposite side of a wall of the vessel to the impeller. A high frequency signal is applied to the coil, which generates a magnetic field that induces eddy currents in impeller. The impeller is not an ideal conductor and, therefore, the electrical energy is dissipated as heat, as current, flows through the impeller. The heat generated in the impeller is transferred to the liquid as it circulated around the vessel by the impeller.

Abstract: A method for recovering a liquid substance such as fuel oil from ships sunk or stranded due to marine accidents and from storage facilities by more easily heating the liquid substance to reduce its viscosity, and a device for recovering liquid substance. A working coil (2) is applied to the inner bottom plate (7) of a conductive tank (6) in contact with the liquid substance to be recovered, a high-frequency current is supplied to the working coil (2) from a high-frequency inverter unit (3) to heat the inner bottom plate (7) itself by induction heating and the liquid substance is reduced in viscosity by the heating for recovery via a recovery pipe (5) connected to a pump (4).

Abstract: A fluid heating apparatus is provided which comprises a heat-generating bent tube formed of an electrically conductive material in a tubular configuration and having opposite ends connected in communication to piping through which fluid to be heated is passed, a coil provided outside the heat-generating bent tube and wound to surround the heat-generating bent tube, and a power supply unit for feeding a high-frequency current through the coil. The fluid heating apparatus suppresses the generation of particles in the path of the fluid and may be used to heat gas or liquid in an apparatus for processing semiconductor substrates and flat panel substrates.

Abstract: A water heating unit uses a voltage transformer type heating unit to heat water. The water flows from a water reservoir to a wound transformer where the water passes through metal tubing that is also the secondary winding of the transformer. The secondary winding is shorted and an erect-magnetic field induces a current in the transformer generating heat that heats the water flowing through the metal tubing. The turns of the primary winding of the heating unit can be separated with spacer material and a cooling fan can be included adjacent to the heating unit for forcing air in between the turns of the primary winding to remove excess heat.

Abstract: A portable humidifier is provided which includes an induction heating system. The system includes an inductor coil and a metal target which functions as a heating element. The metal target is positioned within a tray beneath the inductor coil. The tray is adapted for holding water. The target is coupled to a float, which allows it to move towards or away from the inductor coil depending upon the water level in the tray.

Abstract: A heating apparatus includes a heating element having a conductor, at least a part of which is an electrically closed circuit along which an eddy current flows; a container for accommodating the heating element; a magnetic field induction section for induction-heating the heating element; and a high frequency power supply device for supplying high frequency power to the magnetic field induction section. The heating element is induction-heated by an AC magnetic field generated by the magnetic field induction section.

Abstract: A fluid heating apparatus is provided which comprises a heat-generating bent tube formed of an electrically conductive material in a tubular configuration and having opposite ends connected in communication to piping through which fluid to be heated is passed, a coil provided outside the heat-generating bent tube and wound to surround the heat-generating bent tube, and a power supply unit for feeding a high-frequency current through the coil. The fluid heating apparatus suppresses the generation of particles in the path of the fluid and may be used to heat gas or liquid in an apparatus for processing semiconductor substrates and flat panel substrates.

Abstract: An apparatus is provided for simultaneously generating a fluid flow and heating the flowing fluid. The apparatus includes a conductive material provided on at least a part of a member which is rotated. The rotatable member generates the flow of the fluid to be heated. Magnets are opposed to one side of the conductive material with a slight gap and are mounted within a casing for the rotatable member. Fluid flows through the casing and is heated due to a slip heat energy generated by rotating the conductive material relative to the magnet.

Abstract: A hot water beverage maker uses a voltage transformer type heating unit to heat water flowing to the filtering vessel. The water flows from a water reservoir to a wound transformer where the water passes through metal tubing that is also the secondary winding of the transformer. The secondary winding is shorted. The water to be heated then flows to the filtering vessel that may contain coffee or tea. The water flows through the filtering vessel to a carafe for serving.

Abstract: The present invention relates to a temperature controller used for an electromagnetic induction heating apparatus provided with a heating element made of magnetic material, and prepared in a fluid passage. A coil is prepared in the perimeter of the heating element and a high frequency electric current generator for the coil. The temperature controller comprises an electric current detection unit measuring the electric current flowing from the high frequency electric current generator to the coil and detecting that the temperature of magnetic material forming the heating element reaches in the vicinity of the magnetic transformation temperature, and an electric current restrictive unit limiting the electric current flowing to the coil based on the electric current detection unit.

Abstract: This invention pertains to an electromagnetic induction fluid heating apparatus equipped with a heating element constructed from a conductive material installed in a fluid flow passage, a coil installed around this heating element, and a high frequency electrical current generator for this coil. In particular, this heating element is a layered component that allows electrical conduction between metallic plates. This heating element is formed so that electrical current vortices occur throughout this layered component. By forming a fluid flow passage that allows mixing within this layered component, the electrical power efficiency becomes 100%. Moreover, this high frequency electrical current generator is an invertor that uses semiconductor power devices such as SIT, B-SIT, MOSFET, IGRT, and MCT, etc. When the preferred PWM system (Pulse Width Modulation) is used, the heating efficiency (affected by the efficiency of the invertor, etc. matched with this layered component) exceeds 90%.

Abstract: In a heating apparatus for the heating of a solid or fluid medium, several permanent magnets are arranged on the periphery of a rotor which produce a magnetic field in whose region an electrically-conducting medium is arranged. The magnetic field from the permanent magnets is radiated approximately radially. By rotation of the rotor, a relative motion arises between the permanent magnets and the electrically-conducting medium, and eddy currents are effected within the medium, thereby causing heating of the same. Electrically-conductive water can be provided as the medium to be heated. In this embodiment electrically-conductive water is fed through a helical conducting coil, with an inlet and outlet side arranged around the rotor in proximity thereto, and is connected to a line which feeds to a user from the outlet side and back to the inlet side in a closed cycle. With this heating apparatus, heat is transferred to the medium with an improved efficiency.

Abstract: A method of joining or welding of at least a portion of a first metal workpiece to at least a portion of one or more second metal workpieces, comprising inducing movement in said portion of the first workpiece by means of a pulsed magnetic force so as to impact said portion of the second workpiece, the movement imparting a kinetic energy on the at least portion of the first workpiece to cause the two at least portions to join or weld to one another.

Abstract: A drink can induction heating apparatus includes a ferrite core having a plurality of projected portions and recesses formed between the adjacent projected portions. When a drink can is set in a position to be heated, each of the projected portions is oriented toward a longitudinal axis of the drink can and a particular portion of a circumferential wall of the drink can. The apparatus further includes a saddle-shaped heating coil which is partly received in the recesses of the ferrite core and covers a region around the foregoing particular portions of the drink can in a non-contact manner, and an inverter for feeding the AC power to the heating coil. The inverter is arranged to produce the AC power at a resonance frequency which corresponds to one of 5 kHz to 15 kHz where equivalent resistance values of an aluminum can and a steel can approximate to each other.

Abstract: A microwave apparatus for warming of a liquid such as blood or IV fluids in which the warming occurs in-line by means of a microwave heating cavity having a source of microwave energy coupled thereto. A support element in the form of a bobbin forms an assembly with an IV tube wound about the bobbin. This tubing-bobbin assembly is inserted into the microwave heating cavity. A non-invasive, non-perturbing microwave temperature monitor is provided coupled to the microwave heating cavity for monitoring the temperature of liquid flowing in the IV tube. Controls are provided including a desired operating selector for combining signals representative of, not only cavity temperature, but also inlet and outlet temperatures to control the power level of microwave energy delivered to the heating cavity.

Abstract: A method and apparatus are provided for heating a solid material and dispensing the material as a liquid. A central housing has an inlet, a dispensing orifice and a flow passage extending through the central housing for passing the material from the inlet to the dispensing orifice. A susceptor and induction coil are disposed within the flow passage for immersion within the material after it is liquified. The susceptor includes a conically shaped flow section which extends across the flow passage, and a plurality of flow ports for passing the material. The susceptor further includes a cylindrical section which extends downstream from the flow section for receiving the material from the flow section and passing material to the dispensing orifice. The induction coil is aligned with and spaced downstream from the flow section of the susceptor, surrounding part of the susceptor for electromagnetically inducing electric currents to flow within the flow section.

Abstract: A water heater including a first electrode and a second electrode in spaced relation to the first electrode. The first an second electrodes define a fluid path and a capacitance therebetween. The heater may also include a first winding associated with the fluid path and a second winding in spaced relation to the first winding and associated with the fluid path. The first and second windings generate a magnetic field therebetween and across the fluid path.

Abstract: An induction heater is provided which has an electrical conductor (40) extending along an axis B. At least one solid heating element (43) for contacting and transferring heat to a material to be heated extends radially from the axis B and is formed of electrically conductive and preferably ferromagnetic material. An alternating electric current is supplied to the electrical conductor (40) to induce an electric current in a closed loop defined by a surface layer of the or each heating element (43) to generate heat therein. Induced eddy currents are confined to a surface layer due to the skin effect. The radial and axial thickness of the heating elements (43) is greater than twice the skin depth of the electrically conductive material at the frequency of the alternating electric current. Preferably the heating element (43) is in the form of a screw arranged on an electrically conductive heating member (42).

Abstract: Device for the inductive flow-heating of an electrically conductive pumpable medium, whereby there are provided in the device pipeline windings, through which the medium flows, on a magnetic yoke in which with the aid of an inductive alternating current energy transfer in accordance with the transformer principle electric voltages are induced. At least two such pipeline windings are connected with each other via supply distributor and mixer pieces in such a way that a short-circuit current flows in a closed path of the medium in the pipeline windings, fed by the induced voltages, which heats the medium. A further development provides that there are provided heating elements connected with the pipeline windings and adapted in dimensions to these windings, in which heating elements a rapid local heating can be obtained through current density concentration.

Abstract: An electromagnetic induction steam generator is compact or ultra-compact and highly efficient, and capable of continuous operation, intermittent operation and empty-heating operation. Magnetic flux passes through a closed magnetic circuit of two leg iron cores, a heater, and a yoke iron core after a low-frequency alternating current is supplied from a power supply to electric wire coils. Joule heat is generated inside the heater by the permeation of magnetic flux. When fluid such as water, is supplied from the fluid supply port, it is heated and becomes steam within the heating chamber. The steam then emerges from the steam output port.

Abstract: In the fluid heater disclosed herein, a plurality of thin or ribbon-like conductors are embedded in and link a pair of similar flow paths. An inductor is magnetically coupled to the conductors and is energized with alternating current thereby to induce local currents in the conductors and generate heat which is imparted to fluid passing through the flow paths and over the surfaces of the conductors.

Abstract: An independent unit heat exchanger is provided downstream of a machine for cleaning upholstery and/or carpets so that unheated detergent water from the cleaning machine passes through a hose and then through the heat exchanger where it is heated to an elevated temperature, and then to the cleaning nozzle where it is discharged. The heat exchanger is provided with an electric heating core about which pipe carrying the detergent water is coiled.

Abstract: Apparatus and method for producing steam for humidification of residential and commercial buildings by electrical induction heating of water are disclosed. The apparatus comprises a readily-removable non-magnetic water tank containing a magnetic target in contact with the water and an electrically powered induction coil located outside the water tank but in close proximity to the magnetic target.