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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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)...
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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...
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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....
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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...
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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...
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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...
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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...
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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,...
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5015984 |
Ignition coil, in particular for an internal combustion engine of an automotive vehicle, and means for retaining the primary assembly within the secondary assembly of such a coil
An ignition coil comprises at least one magnetic assembly, each of which has a central magnetic core, around which two formers, namely a primary and a secondary former, are arranged coaxially. The...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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4404534 |
Electromagnetic assembly
An electromagnetic assembly includes a core having an inner cylindrical portion and an outer cylindrical portion spaced from the inner cylindrical portion to provide space or a cavity for a bobbin....
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4385248 |
Support method and structure for epoxy impregnated saddle-shaped superconducting windings
A method and structure for restricting relative sliding motion at the interfaces between a superconducting winding and a supporting structure for the winding. An interface lining material having a...
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4380713 |
Dovetailed teeth for use in a system for fixing stator winding bars in a rotating electric machine
The winding bars (12) are fixed to the body (20) of teeth (14, 16) whose feet (18) form a dovetail engaged in the stator magnetic circuit (2), the mechanical strength of these teeth being due to...
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4368399 |
Rotor end turn winding and support structure
A rotor end turn winding and support system is disclosed which provides support in the radial, axial and circumferential directions for the end turns of a superconducting rotor field coil. The end...
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4366460 |
Spring elements for supporting a superconductive coil
A superconductive coil assembly has a housing formed of an inner shell and an outer shell, and a superconductive coil situated in a space defined between the shells. A plurality of spring elements...
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4352078 |
Combination static plate and liquid distribution manifold for electrical inductive apparatus
A static plate and liquid distribution manifold construction for vertical coils of electrical inductive apparatus, characterized by a plurality of vertically stacked pancake coils, manifold means...
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4325045 |
Device for providing windings on closed ring cores
A device for providing closed ring cores with windings. A coil former is rotatably arranged on at least one core leg. Between the coil former and the leg there is provided a guide member which is...
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4304975 |
Inductively heatable godet
An improved means for mounting the induction coil of an inductively heated, rotatable godet about the magnetic core thereof so as to prevent internal overheating and preferably also to avoid any...
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4296395 |
Structure for preventing winding collapse
Certain windings in a transformer are subjected to radially inwardly-directed forces while being short-circuited. If such a winding is not sufficiently stable itself, particularly with respect to...
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4270112 |
Normal conductive or superconductive magnet coil
An improved normal or superconductive field coil constructed so that individual coils are both axially and radially stable. The individual coils are provided with a holding cylinder at each end...
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4219792 |
Device for the prestressing of concentric cylinders
A device for effecting mechanical prestressing in a pair of substantially concentric cylinders, in which the inner cylinder is prestressed in compression and the outer cylinder is prestressed in...
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4197476 |
Holder for the stator winding heads of electric machines
The invention relates to an electric machine such as a motor having a stator lamination packet with winding heads at opposite ends thereof. A cover for each or either winding head has inner fingers...
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4180717 |
Inductively heatable godet with insulating means
An improved means for mounting the induction coil of an inductively heated godet about the magnetic core thereof so as to eliminate any movement or play therebetween in operation caused by heat...
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4172245 |
Adjustable transformer
An adjustable transformer core and the method of manufacturing an adjustable transformer core, the transformer including a core and coils, the core being formed from a plurality of lamination sets,...
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4167011 |
Radio antenna construction
An impedance matching transformer and isolation inductance construction for a vertical-end fed radio antenna which enables simple manufacturing tecniques to obtain uniformity of impedance matching...
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4135172 |
Electrical inductive apparatus
Electrical inductive apparatus having improved support structure for a magnetic core and winding assembly. The support structure includes end plate assemblies, each having a substantially tubular...
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4126843 |
Attachment of insulating collars
A device for the attachment of insulating collars in the yoke insulation build-up of insulating spacers in transformers with the yoke insulation arranged between the core yoke and the winding ends...
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