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| Number | Title | Issue Date |
| 7352267 | Cylindrically shaped superconductor component and its use as resistive current limiter The present invention is directed to a cylindrically shaped superconductor component particularly useful as resistive current limiter composed of a cylindrical superconductor body, in particular of high temperature superconductor material, provided vertically to its... | 04/01/2008 |
| 7088210 | Electromagnet having spacer for facilitating cooling and associated cooling method An electromagnet and associated apparatus and method are provided. The electromagnet includes a core and at least one winding disposed circumferentially about the core such that the winding extends at least one revolution around the core. The electromagnet further i... | 08/08/2006 |
| 7082675 | Method for manufacturing a solid core of laminations In a method for manufacturing a solid core of laminations, a sheet metal web is cut in the longitudinal direction of the sheet metal web to produce at least two sheet metal strips. The sheet metal strips are separated in a direction transverse to the longitudinal di... | 08/01/2006 |
| 7046111 | Inductor assembly The present invention is directed to a bobbin for an inductor assembly that is preferably molded of a plastic material incorporating a flange to maintain a uniform and constant gap or separation between a pair of ferrite E-cores. Preferably, the bobbin includes a nu... | 05/16/2006 |
| 6787967 | High temperature super-conducting rotor coil support and coil support method A rotor for a synchronous machine is disclosed including a rotor core; a super-conducting coil winding extending around the rotor core, the coil winding having a coil end section adjacent an end of the rotor core, and a coil support bracing the end section and being... | 09/07/2004 |
| 6696909 | Circuit module and method for mounting the same A circuit module has a circuit board on which electronic components are mounted and a covering member which has a plate portion and one or more supporting portions. The supporting portions fix the plate portion parallel to the surface of the circuit board... | 02/24/2004 |
| 6690256 | Coil device In order to improve efficiency of core rubbing operation and also to facilitate reduction in thickness of a coil device, a core-combining member includes substantially U-shaped topside and backside cover members, and a pair of core members are clamped and... | 02/10/2004 |
| 6326875 | Arrangement for implementing a magnetic circuit on a circuit board The invention relates to an arrangement for implementing a planar magnetic circuit on a circuit board. The arrangement includes (a) printed circuit board (PCB), wherein a conductive wire pattern of an inductive circuit is formed as well as openings throug... | 12/04/2001 |
| 6294855 | Generator stator slot wedge system that can be adjusted in situ to provide increased radial load A generator stator including a magnetic core having a plurality of axially extending radial slots arranged about the periphery thereof with windings in each radial slot; at least one adjustable assembly axially inboard of an outermost end assembly in each... | 09/25/2001 |
| 6014066 | Tented diode shunt RF switch A stand-alone circuit board (3), a packaged surface mount PIN diode (1) and a metal ribbon (9) are mounted together in a new tented diode configuration. The flat end surface of the diode end terminal (4) is attached to a metal trace (5) on the circuit boa... | 01/11/2000 |
| 5920249 | Protective method of support for an electromagnetic apparatus A method of assembling an electromagnetic device having a plurality of magnetic cores with substantially planar bases, by placing the magnetic cores upon a fixture adapted to align the planar bases of the magnetic cores in a coplanar relationship, applyin... | 07/06/1999 |
| 5912610 | High energy inductor A high energy inductor and method of manufacture relates to an inductor which is capable of mechanically withstanding the high magnetic forces imposed thereon during transfer of high energy pulses. The inductor is wound with a conductor under tensile stre... | 06/15/1999 |
| 5870011 | Line filter The present invention relates to a line filter that is characterized by suppressing magnetic adverse effects inflicted on other components due to leakage magnetic fluxes from the closed magnetic circuit core used in the line filter and at the same time pr... | 02/09/1999 |
| 5814986 | Coil retainer/positioner for inductive proximity sensor A coil is inherently aligned with the open face of a cup core and prevented from recessing into the core upon assembly of the coil and core into a housing by placing a resilient foam washer within the core under the coil to cause the coil to normally exte... | 09/29/1998 |
| 5682292 | Liquid-cooled valve reactor The invention relates to a liquid-cooled valve reactor, in particular for a high-voltage DC transmission installation, including a reactor core (2) and a reactor coil (4), the reactor coil (4) including a primary winding (24), which comprises two cooled w... | 10/28/1997 |
| 5635785 | Rotor of an electric machine with winding overhang support In the rotor of an electric machine, in particular a motor-generator set for pumped storage units, the rotor body (6), which is constructed from laminated metal sheets, is held together by axially extending clamping bolts (8). The rotor winding (16) is in... | 06/03/1997 |
| 5430425 | Integrated frame system A clamping frame for a transformer core has a clamping frame part and a tensioner. The surfaces of the tensioner and of the clamping frame part abutting the transformer core lie in a common plane. The tensioner features an engagement part, which engages i... | 07/04/1995 |
| 5376911 | Choke coil A choke coil comprises mutually similar flat bars which are electrically connected at the corners. Each coil winding comprises an integral number of mutually similar flat bars which in each case lie on top of one another on contact areas at the corners so... | 12/27/1994 |
| 5327113 | Transformer with coil compression A substation transformer is disclosed which includes a winding, a winding compression ring, which closes off the winding, a compression beam, and expanding spring elements. The expanding spring elements are disposed concentrically around a core portion of... | 07/05/1994 |
| 5271373 | Ignition coil device for an internal combustion engine An ignition coil device for an internal combustion engine includes an air gap between the two heat generating sources, the coil assembly and the power transistor unit, such that the coil assembly and the power transistor unit are thermally isolated from e... | 12/21/1993 |
| 5264814 | Electrical noise absorber An electrical noise absorber comprising a magnetic body like ferrite attached around a flat cable and a fixing member. The fixing member comprises an inserting portion having a through hole for passing the magnetic body therethrough. Opposite walls defini... | 11/23/1993 |
| 5264815 | Fastener for electronic component A combination of a fastener with an electronic component, wherein the electronic component includes a bobbin having an axial portion, windings around the axial portion of the bobbin, external terminals projecting from the bobbin, around each of which exte... | 11/23/1993 |
| 5107240 | Superconducting transformer A superconducting transformer comprises primary and secondary superconducting coils which are coaxial and made of superconducting wires, and a cryostat for maintaining the superconducting coils in a superconducting state. The cryostat includes a vessel fo... | 04/21/1992 |
| 5038126 | Precisely positioned electromagnetic relay components An electromagnetic relay 38 (FIG. 2) includes a cylindrical core 42 concentrically positioned within a coil assembly 40 and press fit into a frame 50, a resiliently mounted armature assembly 56, and electrical contacts 66,68, one mounted on the armature a... | 08/06/1991 |
| 4975670 | Air cooled transformer A variable speed, constant frequency generating system has a neutral forming autotransformer connected between a variable speed generator and an AC to AC converter. The converter includes a three phase, full wave rectifier with positive and negative rails... | 12/04/1990 |
| 4810988 | Slag detector transducer coil assembly A compressed-air cooled transducer coil assembly for slag detector apparatus includes a refractory shield, top and bottom end blocks, a coil winding, and at least two spaced-apart guide bars. The shield may be positioned to coaxially surround the pour tub... | 03/07/1989 |
| 4775848 | High-voltage valve reactor, specifically for high-voltage direct-current transmission systems A compact valve choke that is simple to manufacture, which can, however, ensure the qualities required for all operating modes, namely the needed dielectric strength and freedom from partial discharges between components that are at different voltages. Th... | 10/04/1988 |
| 4746890 | Mounting for ignition module Mounting for ignition module in which a ferromagnetic flux carrying core includes a plurality of spaced, parallel leg portions. The ignition coil module has a generally central opening which is adapted to receive one of the core legs. A tapered slot is fo... | 05/24/1988 |
| 4673907 | Transformer with amorphous alloy core having chip containment means A transformer comprises a tank containing insulating liquid, and within the liquid there is an amorphous-alloy laminated core that comprises spaced-apart upper and lower yokes and two spaced-apart legs at opposite ends of the yokes. Coil structure surroun... | 06/16/1987 |
| 4663604 | Coil assembly and support system for a transformer and a transformer employing same A coil assembly includes a first winding for circumferentially surrounding at least a portion of a leg of a transformer core, a second winding spaced from and circumferentially surrounding at least a portion of the first winding, first supports, such as a... | 05/05/1987 |
| 4663605 | Clamping means for the core and coil assembly of an electric transformer This transformer comprises a generally rectangular core having two yokes and two legs connecting the yokes, with joints located in one of the yokes. Coil structures surround the two legs. Flexible banding under tension applies clamping forces to two clamp... | 05/05/1987 |
| 4631509 | Electrical induction apparatus with support inside casing In the present invention, there is disclosed an electrical induction apparatus having a magnetic core unit being comprised of a toroidal magnetic core and at least one winding wound around the core and a casing for housing the magnetic core unit therein, ... | 12/23/1986 |
| 4602235 | Transformer assembly with terminal plates in support A transformer formed of a construction effectiving a relatively simple assembly including an L-shaped terminal support mountable in friction-fit relative between the transformer coil and the laminated core, and including terminal plates which are also sna... | 07/22/1986 |
| 4596974 | Transformer comprising coaxial coil formers A transformer comprising an outer coil former (1) having a first outer end portion (13), to which is secured a resilient device (49) which exerts a force on a first core part (47) directed towards a second outer end portion (15) of the outer coil former. ... | 06/24/1986 |
| 4591790 | Diagnostic nuclear magnetic resonance apparatus Disclosed is a diagnostic nuclear magnetic resonance apparatus which comprises a pair of coil units having substantially the same construction and a base bearing the coil units. Each coil unit includes a large coil, a small coil, and a frame structure fix... | 05/27/1986 |
| 4568903 | Mounting for ignition module Mounting for ignition module in which a ferromagnetic flux carrying core includes a plurality of spaced, parallel leg portions. An ignition coil module has a generally central opening which is adapted to receive one of the core legs. One recess is provide... | 02/04/1986 |
| 4554731 | Method and apparatus for making superconductive magnet coils A curved, shell-type magnet coil, adapted to be used in a superconducting magnet, is wound by providing a mandrel having a tubular cylindrical mid-portion terminating at both ends in tapered end portions formed with longitudinal slots having flexible fing... | 11/26/1985 |
| 4538131 | Air-core choke coil An axially symmetric air-core choke coil for high voltage applications. The coil includes a plurality of radially concentric, helically wound layers of windings. Non-insulated wire cable is used to produce each winding. Therefore, adjacent turns of each w... | 08/27/1985 |
| 4472702 | Wedging device and transformer including same A wedging device comprises at least two bodies which are movable in relation to each other, namely a first body having two diverging surfaces and a second body which is displaceable relative to the first body along one of its diverging surfaces. A heat-sh... | 09/18/1984 |
| 4404740 | Method for mounting a winding in a transformer The present invention relates to a method for mounting transformer windings on the core legs. After all the windings for a core leg have been pre-assembled, they are pressed in a separate press to the desired height, whereafter the windings are provided w... | 09/20/1983 |
