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| Number | Title | Issue Date |
| 7372007 | Medium voltage heater element An electrical heater bundle has heater elements, each including a metal tube, an electrical resistance coil within the tube, a conductor pin connected to the coil and protruding from an end of the tube, and an electrical insulation powder surrounding the coil within... | 05/13/2008 |
| 7347054 | System for heating tanks of liquefied gas by induction The invention relates to a system for delivering gas stored in a vessel in liquefied form, said vessel having in its lower part a liquefied phase of said gas and in the upper part a gaseous phase of said gas, which vessel includes a means for connecting to a means f... | 03/25/2008 |
| 7326891 | Steam generation apparatus using induction heating and oven including the same A steam generating apparatus, and an oven including the same. The apparatus includes a water tank adapted to enable convenient cleaning, and is adapted to heat water in the water tank via an induction heating method to generate steam rapidly. The water tank is provi... | 02/05/2008 |
| 7323667 | Curie temperature thermostat for a eddy current heating device and method The device and method are used for controlling eddy currents generated by an electro-magnetic heater having at least one magnetic field producing element. To control the heater, a source of heat is used to heat a Curie temperature material, located adjacent to the m... | 01/29/2008 |
| 7279663 | Fixing device using induction heating and method for producing same A fixing device includes a heating roller which is made of a magnetic metal, a coil which is made of a plurality of twisted wires, an exciting circuit which applies a high-frequency current to the coil, and a core which is made of a heat resistant resin and is arran... | 10/09/2007 |
| 7211773 | Conveyance and forming apparatus A conveyance apparatus comprises a transformer having a core, a primary coil connected to an alternate power source and a secondary coil connected to an output coil, a holding section including a conductive member for heating fluid by high frequency induction heatin... | 05/01/2007 |
| 7145114 | Superheated vapor generator A superheated vapor generator has a tubular, vertically extending container with closed ends. A high frequency induction heating coil is wound around the container. A heating medium is placed in the container and is made from material heatable by electromagnetic con... | 12/05/2006 |
| 7115845 | Superheated steam generator 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 superheatin... | 10/03/2006 |
| 7105786 | High frequency heating apparatus A high frequency heating apparatus with steam generation function for supplying at least any one of high frequency and steam to a heating chamber 11 for accommodating an object to be heated and heat-treating the object to be heated, the apparatus has a high f... | 09/12/2006 |
| 7069640 | Method of making an inductor coil unit including steps of pouring resin between frames, and said coil unit 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 s... | 07/04/2006 |
| 7034263 | Apparatus and method for inductive heating A system and method for inductive heating, in which a power source provides current pulses with high-frequency harmonics to a heater coil, the coil generating a magnetic flux for inductive heating of an article. The high-frequency harmonics enhance a relative propor... | 04/25/2006 |
| 7034264 | Heating systems and methods utilizing high frequency harmonics Heating systems and methods for inductive heating or a combination of resistive and inductive heating. A heater coil is inductively coupled to an article and a current signal is supplied to the heater coil. The heater coil generates a magnetic flux, based on the app... | 04/25/2006 |
| 7022951 | Induction heating work coil An induction heating device or work coil for heating electroconductive material to a desired temperature that can be used on a roll or cylinder of any diameter. The work coil has an open core of ferrite material shaped in a U. Wire is wound around the opposing legs ... | 04/04/2006 |
| 7002119 | Device for liquid heating by electromagnetic induction and short-circuit using three-phase industrial frequency power 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-p... | 02/21/2006 |
| 6967315 | Method for vaporizing a fluid using an electromagnetically responsive heating apparatus A method of microbially decontaminating at least one of a defined area and an item within the defined area. The method includes the steps of (a) inductively heating a block comprising an electrically non-conductive material and an electromagnetically responsive mate... | 11/22/2005 |
| 6907796 | Temperature-controlled injector for a chemical analysis unit 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 w... | 06/21/2005 |
| 6906296 | Electromagnetically responsive heating apparatus for vaporizer A vaporizer heating apparatus is comprised of electromagnetically responsive material and electrically non-conductive material. A antimicrobial fluid to be vaporized, such as water or hydrogen peroxide solution, is supplied to the heating apparatus where it is conve... | 06/14/2005 |
| 6781100 | Method for inductive and resistive heating of an object 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. ... | 08/24/2004 |
| 6681998 | Aerosol generator having inductive heater and method of use thereof 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 excitat... | 01/27/2004 |
| 6674055 | Electromagnetic water heater 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 throug... | 01/06/2004 |
| 6504136 | Liquid heating apparatus with an inductively heated impeller 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 e... | 01/07/2003 |
| 6485228 | Method and device for recovering liquid substance 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. ... | 11/26/2002 |
| 6465765 | Fluid heating apparatus 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 pa... | 10/15/2002 |
| 6353213 | Voltage transformer type water heating unit 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... | 03/05/2002 |
| 6335517 | Humidifier having induction heating system 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... | 01/01/2002 |
| 6297483 | Induction heating of heating element 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 indu... | 10/02/2001 |
| 6144020 | Apparatus for simultaneously generating a fluid flow and heating the flowing fluid 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 ... | 11/07/2000 |
| 6078032 | Hot water beverage maker with voltage transformer type water heating unit 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 win... | 06/20/2000 |
| 6046442 | Temperature controller of electromagnetic induction heater and its start system 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 heatin... | 04/04/2000 |
| 5990465 | Electromagnetic induction-heated fluid energy conversion processing appliance 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 el... | 11/23/1999 |
| 5914065 | Apparatus and method for heating a fluid by induction heating 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... | 06/22/1999 |
| 5690851 | Induction heating apparatus for drink can 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 ori... | 11/25/1997 |
| 5683381 | In-line microwave warming apparatus 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 ass... | 11/04/1997 |
| 5584419 | Magnetically heated susceptor 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... | 12/17/1996 |
| 5523550 | Capacitive induction heating method and apparatus for the production for instant hot water and steam 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... | 06/04/1996 |
| 5455402 | Induction heater having a conductor with a radial heating element 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 ele... | 10/03/1995 |
| 5444229 | Device for the inductive flow-heating of an electrically conductive, pumpable medium 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 e... | 08/22/1995 |
| 5350901 | Electromagnetic induction steam generator 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 ... | 09/27/1994 |
| 5319170 | Induction fluid heater utilizing a shorted turn linking parallel flow paths 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 lo... | 06/07/1994 |
| 5287588 | Upholstery and carpet cleaning equipment including external heat exchanger 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 ele... | 02/22/1994 |
