Class / Patent application number | Description | Number of patent applications / Date published |
219632000 | With cooling arrangement | 17 |
20090095737 | MAGNETIC ANNEALING TOOL HEAT EXCHANGE SYSTEM AND PROCESSES - A heat exchange system and processes for a magnetic annealing tool is provided. The system includes a process chamber housing workpieces to be processed; an element chamber partly surrounding the periphery of the process chamber, at least one means for drawing a vacuum in fluid communication with the process chamber and separately with the element chamber in order to apply a vacuum to either or both of the process and element chamber so as to promote radiation heating of the workpieces; at least one supply of fluid in communication with the process chamber and separately with the element chamber to supply a cooling gas so as to promote conductive cooling of the workpieces; a cooling chamber disposed to surround the element chamber; and means for generating a magnetic field disposed on the outer periphery of the cooling chamber. | 04-16-2009 |
20100072191 | COOLING DEVICE FOR ELECTROMAGNETIC INDUCTION TYPE COOKIN HEATER - It is an object of the present invention to provide a light and compact cooling device which is possible to use an alternating magnetic field generated in an electromagnetic induction type cooking heater which is usually used as a heater, as an energy source of the cooling device. The cooling device to be mounted on a plate of an electromagnetic induction type cooking heater including a coil by which a magnetic field is generated, the cooling device including a plurality of Peltier devices comprised of two kinds of metals or semiconductors, Peltier devices comprised of the first kind of metal or semiconductor and Peltier devices comprised of the second kind of metal or semiconductor being alternately arranged, the Peltier devices being electrically connected in series to one another through electrode plates ( | 03-25-2010 |
20100187222 | INDUCTION HEATER - Provided is an induction heater which induces an electric current in a metal utensil (e.g., a cooking utensil) using an electromagnetic force and can thus heat the metal utensil, and more particularly, an induction heater which can prevent electric devices sensitive to temperature from being overheated by forcefully blowing air to the front and the rear of an inverter circuit board. The induction heater is easy to be miniaturized, and a considerable number of devices can be integrated into the induction heater. | 07-29-2010 |
20100200571 | CROSS-FIELD SHRINK-FIT DEVICE WITH MEANS FOR LIMITING MAGNETIC FLUX LOSSES - The invention relates to a device for inductive heating of an electrically-conducting component section symmetrical relative to an axis, in particular, a sleeve section of a tool clamping chuck for clamping a tool by means of a press fit, wherein the device has several pole pieces made from a magnetically-conducting material arranged in the circumferential direction around the symmetry axis of the component section introduced as required into the device and an induction device for supplying the pole pieces with magnetic flux such that the magnetic flux in pole pieces which are adjacent in the circumferential direction is opposed. The pole pieces are all mounted on the device such as to be movable about an axis (adjustment rotation axis) running essentially parallel to the axis of symmetry of the component section, such that each of the pole pieces can be adjusted in the direction of the surface region of the individual workpiece by means of a rotation about the provided adjustment rotation axis. | 08-12-2010 |
20110084062 | Device for inductive heating and use of such a device - A device is provided having at least one inductor for the inductive heating of a zone formed in a metallic workpiece, which zone is adjoined by a narrow material portion which is to be protected against heating up. To enable two tracks or ways arranged next to one another to be heated simultaneously without the portion of material situated between the tracks or ways being heated throughout to this temperature in the process, the invention provides a cooling means which delivers a cooling fluid onto that material portion of the workpiece which is to be protected against heating up. The device is particularly suitable for the simultaneous inductive heating of two tracks or ways which are formed on a workpiece next to one another and at a distance from one another and which are separated by a narrow material portion. | 04-14-2011 |
20110095018 | Device For Producing A Single Crystal Composed Of Silicon By Remelting Granules - A device for producing a silicon single crystal by remelting granules has a rotating plate of silicon having a central opening and having a silicon tubular extension which encloses the opening and extends below the plate; a first induction heating coil above the plate for melting granules; and a second induction heating coil below the plate for crystallizing the molten granules, wherein the second induction heating coil has, on its side lying opposite the silicon plate, a lower layer composed of a magnetically permeable material and an upper layer in which there is at least one cooling channel for conducting a coolant. | 04-28-2011 |
20110192836 | THERMAL GENERATOR WITH MAGNETOCALORIC MATERIAL - A heat generator comprising at least one thermal module comprising a magnetocaloric element crossed by a heat transfer fluid and two hot and cold chambers arranged on each side of the magnetocaloric element and containing a displacement device for directing the heat transfer fluid through the magnetocaloric element. A magnetic arrangement creates a magnetic field variation in each magnetocaloric element. A device for driving the displacement device, according to reciprocating movement in the concerned chamber, to displace the heat transfer fluid in synchronization with the magnetic field variation. The drive device contains a closed fluid circuit which connects the hot and cold chambers in which a working fluid is driven by a suction and discharge device. At least one switching interface is synchronized with the magnetic arrangement for alternately connecting each hot and cold chamber to suction and discharge sides of the suction and discharge device and inversely. | 08-11-2011 |
20110248023 | INDUCTION HEAT TREATMENT OF AN ANNULAR WORKPIECE - Apparatus and method are provided for inductively heat treating a circular surface of annular workpieces where at least one inductor pair is used to perform a scan induction heat treatment of the circular surface. Controlled movement of the inductors and application of quenchant is provided particularly at the initial and final heat treatment locations on the circular surface to enhance metallurgical uniformity of the annular workpiece at these locations. In combination with controlled movement of the inductors, a simultaneous power-frequency control scheme can be applied to the inductors during the heat treatment process. | 10-13-2011 |
20110259878 | DEVICE FOR MAGNETIC HEAT INDUCTION AND EXCHANGE TO MOBILE STREAMS OF MATTER - A device is described for magnetic heat induction and subsequent heat exchange to mobile streams of matter. The device can provide efficient heating of moving gaseous, liquid, or solid masses. A cold mass is made to flow past an induction heated workpiece, whereby the cold mass becomes heated via thermal transfer from the workpiece to the cold mass. The device can include a material susceptible to heating by magnetic induction that is inserted into a tube or other containment structure. The tube can be the transport conduit for the material to be heated. An induction coil can surround the tube. The coil can be connected to a high energy LC (inductance-capacitance) resonance circuit. Resonance generates magnetic flux in the coil. The flux can interact with the workpiece inside the tube. Heat can be generated in the workpiece and can then be transmitted to the cold mass as it is conveyed past the workpiece. | 10-27-2011 |
20120091122 | SELECTIVE CASE DEPTH THERMO-MAGNETIC PROCESSING AND APPARATUS - A method of altering characteristics of a workpiece comprising electrically conductive material includes exposing the workpiece to a magnetic field and exposing the workpiece to an induction field configured to cause heating current to flow through only a selected portion of the workpiece while the workpiece is exposed to the magnetic field. The induction field has a frequency such that the selected portion is less than the entire body of the workpiece or substantially only the outer surface of the workpiece. The method of altering characteristics of a workpiece may further include heating the entire body of the workpiece to a first temperature while the workpiece is exposed to the magnetic field and before exposing the workpiece to the induction field. The method of altering characteristics of a workpiece may further include quenching and tempering the workpiece in the magnetic field. | 04-19-2012 |
20120097664 | INDUCTION HEATING DEVICE - Plural induction heating coils for inductively heating to-be-heated object are provided under a top plate on which to-be-heated object is placed, and plural inverter circuits for supplying high-frequency currents to the plural induction heating coils, respectively, are adapted to be cooled by cooling air flows from cooling portions, and placed in a longitudinal row along the cooling air flows, in air-flow blowing path spaces through which cooling air flows from the cooling portions are blown, so as to facilitate cooling designing for an induction heating device and to improve the cooling performance of the induction heating device. | 04-26-2012 |
20130153567 | COMBINATORIAL HEATING OF SUBSTRATES BY AN INDUCTIVE PROCESS AND COMBINATORIAL INDEPENDENT HEATING - Induction heating systems and methods for combinatorial heating of a substrate are disclosed. The induction heating system includes a susceptor segmented into multiple regions (e.g., two to 20 regions) that are separated from one another by a reflective channel that is purged with a liquid (e.g., gas or liquid). The induction heating system includes multiple induction coils, each induction coil corresponding to one of the susceptor regions or segments. The distance between each induction coil and the susceptor region can be varied using an independent lift for each region. The relative distance between the coils and the corresponding susceptor regions is used to vary the temperature of a substrate so that different regions of the substrate can be independently heated to different temperatures. | 06-20-2013 |
20130240505 | COOLING SYSTEM FOR AN INDUCTION COOKTOP - An induction cooktop may include: a cooking surface; an induction coil; electronic circuitry coupled to said induction coil; and a housing surrounding at least a portion of said induction coil and at least a portion of said electronic circuitry, and said housing comprising a fan chamber comprising: a fan; at least one ribbed wall; and a fan cover covering at least a portion of said fan so as to direct airflow over said electronic circuitry. According to various exemplary embodiments, various preset operating ranges, precise temperature control using discrete increments may be used, as well as power calibration, noise reduction, ultra wide temperature range cooking, flexible programming, extensive multi-stage long duration cooking and memories, including selectable delays, pause features, high temperature searing, low temperature cooking, ultra high frequency high temperature operation, immediate fan shutoff, multiple temperature unit convertible display, multi-stage, and/or multi-step cooking, are disclosed. | 09-19-2013 |
20140326716 | POWER CABLE CONNECTION ASSEMBLY AND METHOD OF OPERATION - A quick disconnect union and method of use is provided for a power cable of an induction heating system with a power source, a coolant transporting device, and an induction coil capable heating a desired material. The power cable may connect the power source and the coolant transporting device to the induction coil. | 11-06-2014 |
20150053670 | TEMPERATURE-CONTROL STATION WITH HEATING BY INDUCTION - A temperature-control station of a thermoforming assembly for hot forming and press hardening a metallic structure includes a heat source in the form of at least one flat inductor which is provided on a lower tool and/or upper tool. A temperature-control plate is placed upon the inductor for support of the structure. The temperature-control plate is configured to accommodate at least one cooling channel for passage of a gaseous coolant so that two zones of the structure are adjustable to temperatures that are different from one another. | 02-26-2015 |
20150083713 | DEVICE FOR INDUCTION HEATING OF A BILLET - A device for the induction heating of a billet of metal of high electrical conductivity has: a tubular body supporting a plurality of permanent magnets arranged inside the tubular body, angularly spaced apart from each other and arranged so as to be alternated with opposite polarities. The device also has a support for the billet that is arranged inside the tubular body and faces the magnets, The device also has a motor adapted to rotate the tubular body with respect to the billet in order to induce currents in the billet that circulate within the metal material, obtaining the heating of the billet by the Joule effect. An integral cooling system for the permanent magnets is provided, this being carried by the tubular body and suitable for feeding cooling air flows between adjacent permanent magnets. | 03-26-2015 |
20160174300 | HEAT TREATMENT APPARATUS | 06-16-2016 |