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| Number | Title | Issue Date |
| 7994424 | Cooling of high voltage devices A high voltage system including a HVDC valve, a liquid fluid cooling system for cooling the valve, and a high voltage bushing for transferring high voltage and high current from the fluid cooled HVDC valve. The high voltage bushing includes an insulating body surrou... | 08/09/2011 |
| 7371968 | Detachable superconducting cable A detachable superconducting lead includes a vacuum-sealed thermal transition through which a stabilized conductor passes. Two identical leads are attached and surrounded by a sealed Dewar and allowed to cool either naturally or by way of a cooling element. Detachin... | 05/13/2008 |
| 7365294 | Microwave oven A microwave oven, including a transformer assembly accommodating a transformer and filled with a cooling material to cool the transformer; and a temperature-sensitive switch electrically connected to the transformer to shut off power when a temperature of a surface ... | 04/29/2008 |
| 7358435 | Electric power transport system comprising a cold dielectric superconducting cable Electric power transport system having a cold dielectric superconducting cable, a cryostat and a cryogenic fluid. The cryostat has modules including an inner tube, an outer tube, a couple of gaskets, and a duct connected to the coupling surface between the gaskets o... | 04/15/2008 |
| 7269013 | Heat dissipation device having phase-changeable medium therein A heat dissipation device includes a heat dissipation body and a heat conducting body thermally combined with the heat dissipation device. The heat dissipation body includes a central portion defining a through hole therein and a plurality of fin extending from a pe... | 09/11/2007 |
| 7094973 | Superconducting cable joint structure A superconducting cable joint structure is a structure used to joint together superconducting cables used at cryogenic temperature or to joint together a terminal of the superconducting cable and a normal conducting cable, and it includes a joint insulation layer ar... | 08/22/2006 |
| 7065956 | Two piece jet engine igniter assembly A two-piece jet engine igniter assembly includes a front section and a rear section. When the igniter assembly is installed in an aircraft, either the front section or the rear section is removable for service or replacement. The front section includes a detachable ... | 06/27/2006 |
| 7030314 | Termination structure of cryogenic cable A termination structure of a cryogenic cable has a cryogenic-cable end portion and a current-lead end portion that are coupled to each other with a flexible conductor. Accordingly, any displacement in three-dimensional directions of the end portions that could occur... | 04/18/2006 |
| 7019216 | Generator output line, in particular for a connection region in the generator base A generator output line is for electrically connecting a generator to a transformer. It includes a cylindrical inner conductor and a cylindrical cladding tube connection region which is arranged concentrically with respect to the inner conductor. The inner conductor... | 03/28/2006 |
| 7009103 | Coaxial line having forced cooling A coaxial line includes an inner conductor, an outer conductor, and a series of insulating material struts located between the inner and outer conductors. At least some of the struts include conduits through which coolant may be supplied and removed. The line furthe... | 03/07/2006 |
| 6996994 | Vacuum retention method and superconducting machine with vacuum retention A superconducting machine includes a superconductive device and a vacuum enclosure containing and thermally insulating the superconductive device. A cold-trap is configured to condense gases generated within the vacuum enclosure, and a coolant circulation system is ... | 02/14/2006 |
| 6888060 | Terminal structure of extreme-low temperature equipment A terminal structure of cryogenic equipment for leading a terminal of cryogenic equipment 100 from a very low temperature portion to a room temperature portion through a bushing, having a feature in that a connecting/heat-insulating portion 300 adiabat... | 05/03/2005 |
| 6829142 | Cell thermal connector A variable gap thermal interface is coupled with a cold or hot plate, forming a low thermal resistance connection between an electronic device module containing at least one heat generating electronic device and a rack or other structure. The variable gap thermal in... | 12/07/2004 |
| 5637827 | Insulator with internal passageway An insulator conveys cooling fluid for or connects an optical fiber cable to an outdoor high voltage electrical system. The insulator includes an elongated pipe of non-conductive material having an internal passageway through it for the cooling fluid or o... | 06/10/1997 |
| 5466891 | Conical composite SF6 high voltage bushing with floating shield The present invention provides a floating shield for a high voltage bushing. Preferably the bushing is conically shaped and has a composite housing for substantially optimizing the electrical performance of the bushing according to the invention. The floa... | 11/14/1995 |
| 5386192 | Apparatus for checking the contamination condition of electric insulators The apparatus comprises a probe-insulator (3) with an internal cavity, a first system (8/1) that circulates a cold fluid within the cavity (4) of the probe-insulator in order to cool the latter to such a temperature that the external humidity condenses on... | 01/31/1995 |
| 5200578 | High voltage feedthrough bushing A feedthrough bushing for a high voltage diode provides for using compression sealing for all sealing surfaces. A diode assembly includes a central conductor extending through the bushing and a grading ring assembly circumferentially surrounding and coaxi... | 04/06/1993 |
| 5142104 | High voltage insulator testing system A corrona test set has at least a reactor and power separation filter placed in an oil-filled conductive tank of a conductive material such as sheet steel. The exciter optionally may also be placed in the same tank enclosure which is of much smaller size ... | 08/25/1992 |
| 5059757 | Gas shrouded electrode for a plasma carburizing furnace An electrode for a plasma carburizing furnace is disclosed which is adapted to provide a dynamic gas shroud for inhibiting the buildup of carbon soot on the insulating elements of the electrode. The reduction of carbon soot buildup on the insulating compo... | 10/22/1991 |
| 4841098 | High power radio frequency energy feedthrough for high vacuum vessel A fluid cooled feedthrough, for conducting electrical energy at high power levels through a wall of a pressure or vacuum vessel includes a mounting flange for mounting the feedthrough to a mating flange formed at a wall of the vessel. The mounting flange ... | 06/20/1989 |
| 4712029 | Generator high temperature electrical lead assembly A terminal assembly (10) for a gas-filled, oil-cooled generator (14). The generator housing (12) includes an annular opening (18) with an annular boss (20) projecting into the housing (12), and sprayed coolant oil around the housing boss (20). A terminal ... | 12/08/1987 |
| 4625192 | Superconducting apparatus with improved current lead-in A superconducting apparatus comprises a superconducting coil, a cryogenic fluid for cooling the coil, a vessel for enclosing the superconducting coil and the cryogenic fluid, a current lead penetrating into and supported by the vessel and electrically con... | 11/25/1986 |
| 4608698 | Electric heat treating furnace with quickly serviceable heating assembly components A heat treating furnace in which an electrical resistance heating element is disposed in a chamber and is energized by way of a power feed through conductor which extends slidably through the wall of the furnace. An insulating washer and a retaining washe... | 08/26/1986 |
| 4523052 | Gas-insulated bushing A gas-insulated bushing including an insulating tube filled with an insulating gas, a central conductor centrally arranged within the insulating tube, and a capacitor unit connected to the central conductor and partitioning the interior of the insulating ... | 06/11/1985 |
| 4485266 | Termination for a superconducting power transmission line including a horizontal cryogenic bushing A termination for a superconducting power transmission line is disclosed which is comprised of a standard air entrance insulated vertical bushing with an elbow, a horizontal cryogenic bushing linking the pressurized cryogenic cable environment to the ambi... | 11/27/1984 |
| 4484019 | High voltage RF feedthrough bushing Described is a multi-element, high voltage radio frequency bushing for trmitting RF energy to an antenna located in a vacuum container. The bushing includes a center conductor of complex geometrical shape, an outer coaxial shield conductor, and a thin-wa... | 11/20/1984 |
| 4453149 | Excitation lead for superconducting devices, particularly magnets When it is desired to change the magnetic field levels in a superconducting magnet, it is conventional practice to employ electrical leads. One end of the leads is maintained at cryogenic temperatures while the other is at ambient temperature. In some cas... | 06/05/1984 |
| 4424402 | Gas-insulated bushing An improved gas-insulated bushing having a high withstand voltage and an increased capacity to cool a conductor, wherein the upper end portion of a potential-controlling capacitor in the form of a stopped tube is directly airtightly fitted to the outer su... | 01/03/1984 |
| 4361716 | Current lead-in of the coaxial type for sealing to a container wall Current lead-in of the coaxial type, including at least two conducting tubes passing through a container wall, a gas-tight seal disposed between the tubes and the walls, an induction heating coil supplied with high frequency current from the tubes for pro... | 11/30/1982 |
| 4358631 | Heat dissipating electrical bushing An improved electrical bushing uses a refrigerant to provide cooling of both the bushing and the electrical apparatus to which the bushing is connected. The refrigerant vaporizes inside the hollow conductor of the bushing at the hot contact end, and flows... | 11/09/1982 |
| 4341947 | Glow discharge heating apparatus Typically, a bottom of a cup-shaped electrode opposes to that of a similar electrode through a predetermined gap and in a mixture of helium and hydrogen. A step-up transformer connected across an AC source through a resistor applies a voltage in excess of... | 07/27/1982 |
| 4317952 | Liquid cooled terminal boxes Terminal boxes for large dynamoelectric machines provide a housing for high voltage terminal bushings which connect the dynamoelectric machine with a power grid. The stray flux from the terminal bushings induces eddy and circulating currents in the termin... | 03/02/1982 |
| 4308420 | Electrical apparatus with convectively cooled bushing connector A conductive bushing connector includes an elongated metal stud having a center axial passage, a plurality of transverse apertures, and threaded portions at each end. A pair of insulative housings assembled on opposite sides of a transformer enclosure eac... | 12/29/1981 |
| 4286111 | Apparatus for interconnecting a power supply to an electrode within a chamber containing fluid maintained at a high temperature and pressure An apparatus for connecting a power supply to an electrode within a high pressure, high temperature vessel is disclosed. The apparatus includes a conductor extending through the vessel such that the net force exerted upon the conductor by the vessel press... | 08/25/1981 |
| 4275035 | Apparatus for electrical feed of a heater in a crystal-growing vessel Apparatus for growing crystals comprising a vessel having a heater therein connected to electrical feed lines which extend from the vessel through a feed housing to an electrical supply source. The electrical feed line comprises inner and outer conductors... | 06/23/1981 |
| 4227035 | Modular condenser bushing Electrical bushing having a plurality of individual condenser modules coaxially enclosing an electrical conductor. The condenser modules are spaced apart to define a gap therebetween. Each condenser module includes a plurality of concentric, axially exten... | 10/07/1980 |
| 4223206 | Method and apparatus for electrically heating corrosive vapors A heating device for heating corrosive vapours includes a casing defining a vapour flow path having an inlet and an outlet. A tubular metallic electric resistance heating element is disposed in the flow path and arranged such that the vapours being heated... | 09/16/1980 |
| 4214118 | Electrical bushing First and second conductive flanges adjacent first and second ends of a hollow insulator column are biased together by a through-rod assembly such that the first and second flanges cooperate with the insulator column to form a substantially enclosed chamb... | 07/22/1980 |
| 4209658 | Method and apparatus for optimizing current leads carrying varying current A method and means for optimizing current leads carrying varying current in super-conducting systems comprising the steps of adjusting the room temperature point of the lead to vary the length of the lead below the room temperature point inversely to the ... | 06/24/1980 |
| 4196624 | Probe assembly A probe assembly is provided which includes a housing, at least one sensing element extending through a passageway in a wall of the housing and a sealing packing element mounted in the passageway for effecting a pressure-tight seal between the sensing ele... | 04/08/1980 |
