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WO/2002/023561A1 |
An electromagnetic device and a high-voltage generating device which are thin and have excellent performances, wherein a magnetic core (3) is formed into a columnar shape by using a large-resistivity ferrite material. Winding is formed b...
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WO2001075911B1 |
An induction device, such as a transformer or reactor, comprises windings (53) of different phases arranged around magnetic core limbs (52). The magnetic core limbs are connected by at least one body (51) formed from magnetic particles i...
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WO/2002/009128A1 |
The invention concerns a high frequency transformer wherein is integrated the rectifier cell. It essentially comprises flat windings (2) and/or slotted copper segments (3) stacked on a core branch (1), such that there is alternately a pr...
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WO/2001/091142A1 |
A multi-layer and multi-functioning printed circuit board (PCB) defines a magnetic component formed using planar technology and multiple PCBs (525, 530 and 535), each having four or six layers and each including a single winding. One set...
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WO/2001/082316A1 |
A transformer core made of magnetic strips is presented for use in a power distribution transformer. The transformer core has a desired height and a substantially cylindrical toroidal shape produced by winding a multi-layer structure abo...
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WO/2001/065572A2 |
A transformer core comprises at least one leg and at least one yoke part. Each of said legs has a cross-sectional shape that is multi-edged with more than four edges with intermediate corners. The core is made up of rings rolled from str...
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WO/2001/057890A1 |
A transformer or inductor core of magnetic material has three legs (6, 8, 10) interconnected by yokes. The core comprises loops (12, 14, 16) of wires and/or strips of magnetic material, wherein each of the loops makes up part of two of t...
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WO/2001/057984A1 |
The invention relates to a power distribution system for supplying electronic components (309) with power, especially for use in the sphere of deep-sea oil production. The electric energy is fed to the primary winding (304.1) of a distri...
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WO/2001/048768A1 |
A power conversion system utilizes an inductive device having a magnetic core formed of a plurality of wires that extend through the inductive device, and beyond its electric windings. The ends of the wires are formed around the electric...
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WO/2001/043267A1 |
There is provided by this invention an apparatus and method for generating voltage pulses (V) to first (A) and second (B) magnetron devices in a plasma chamber (4). An isolation transformer (8) is connected to a pulsed DC power supply (2...
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WO/2001/033584A1 |
An earth cooled distribution transformer system and a method of cooling same and distributing electrical power to a plurality of consumer laods (32) is described. A distribution transformer (10 is provided with the primary (16) and secon...
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WO/2001/031781A1 |
A high frequency, large bandwidth electronic device (300) for transforming balanced/unbalanced electrical signals. In one embodiment, the device (300) comprises an auto-transformer (318) mounted on substrate (312c) interposed between the...
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WO/2001/024204A1 |
Transformer having a coil carrier (1) which comprises a coil tube (2) with a first flange (3) and a second flange (4), a primary coil (21) and a secondary coil (22) between the first and the second flange, high voltage contacts (6), low ...
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WO/2001/022445A1 |
An isolation transformer arrangement comprises an isolation transformer (17) having magnetically coupled primary (25) and secondary (18) winding arrangement wherein one of either the primary (25) or the secondary (18) winding is formed o...
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WO/2000/069059A1 |
A switching power supply circuit of the resonance type which can handle high loadpower and has high power conversion efficiency, small size and light weight is provided. The switching power supply circuit may be formed as a composite res...
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WO/2000/069231A1 |
The present invention discloses a transformer of a Tesla type, and energy supply means and particle accelerator devices comprising such transformers. An electrical transformer according to the invention comprises a primary winding (22), ...
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WO/2000/069035A1 |
A pulser with solid dielectrics including a pulse compressor (204) and pulse transformer apparatus (206), which is able to produce short bursts of electrical energy at high voltage utilizing a coaxial structure. Both the transformer (206...
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WO/2000/042624A1 |
The invention relates to a high-voltage transformer consisting of conventional elements disposed in two different groups, namely positive voltage elements (1-5) and negative voltage elements (1'-5'), both types of elements being separate...
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WO/2000/036616A1 |
Present invention provides a dry-type air-core reactor with a magnetic shield. A magnetic layer is provided on the periphery of the reactor body to cover the reactor body. Insulation layers are provided on both inside and outside surface...
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WO/2000/033331A1 |
The magnetic core of an inductive device (10) is formed of a plurality of wires (17) that extend through the inductive device (10), and beyond the electric windings (18, 19). The ends of the wires (17) are formed around the electric wind...
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WO/2000/030130A1 |
Endless core (10) for a multiphase transformer (12) is formed as an endless circular or annular loop. A plurality of windows (14) are formed through and about the core (10). Adjacent windows (14) share a common portion or leg (16). Thus ...
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WO/2000/030239A1 |
Electric motor (10) includes a magnet (12) in the form of a cockcroft ring provided with a circumferential air gap (18) through which lines of magnetic flux extend. A planar disc (14) is provided that is capable of two dimensional motion...
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WO/2000/025327A1 |
A three-phase transformer is presented comprising a magnetic circuit and three coil blocks. The magnetic circuit comprises two spaced-apart, parallel, plate-like elements; and three spaced-apart, parallel column-like elementary circuits....
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WO/2000/022634A1 |
A power transformer with internal differential mode distortion cancellation, comprising a primary coil (A) for connection to a power source providing a fundamental frequency power signal, a secondary coil for connection to an electrical ...
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WO/2000/014861A1 |
A rectifying/smoothing circuit (3) comprises a first inductor connected between one end (2b1) of an output winding of a transformer (2) and a low-potential output (16b), a second inductor connected between the other end (2b2) of the outp...
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WO/2000/011687A1 |
A planar transformer is provided which includes an E-shaped core with a central leg and spaced adjacent legs, a primary winding, and first and second secondary tracks. The primary winding is defined on a primary layer through which the c...
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WO/2000/005786A2 |
A power cord (10) provided with a power cord transformer (12) is described. The transformer comprises a core (11) of ferromagnetic material, a primary coil (13) and a secondary coil (14) both provided around the core. The core and coils ...
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WO/2000/004612A1 |
A high pulse rate pulse power source (20) for supplying controlled high energy electrical pulses at rates of 2000 Hz or greater. The source (20) includes a pulse generating circuit (30) including a charging capacitor (42), a solid state ...
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WO/1999/057737A1 |
A transformer comprises a core (1) having a plurality of limbs, e.g. the sides of one or more squares, and winding packages (2a, 2b, 3a, 3b), each comprising turns of a primary winding intermixed with turns of a secondary winding, arrang...
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WO/1999/050860A1 |
A power distribution network including a voltage support transformer (1A,B) is disclosed which uses the fault current from a line (A or B) of the power distribution network in which a fault condition exists to support or stabilize the vo...
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WO/1999/031686A1 |
A flux-controlled variable transformer which performs high-speed control of voltage without providing a voltage control tap of a transformer is provided. The transformer has a first magnetic circuit and a second magnetic circuit. The fir...
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WO/1999/021199A1 |
The present invention pertains to the field of radio-electrical techniques and may be used for transmitting energy from any source to a load. This invention more precisely relates to an electric-signal transmission circuit in which one o...
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WO/1999/017311A2 |
The invention refers to a power transformer/reactor having a high voltage winding (2, 3) wound around a core (1). The transformer/reactor is a so-called dry type of transformer, i.e. air-cooled. According to the invention the high voltag...
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WO/1999/017016A2 |
A high pulse rate ignition system operating at pulse rates in excess of 1 kHz ignites fuel mixtures inside of gas turbine engines. The system comprises drive electronics and a toroidally wound core-coil assembly utilizing ferromagnetic a...
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WO/1999/003307A1 |
A single turn induction heating coil provides a varied magnetic flux density for heating a portion of a load having a thermally and magnetically responsive sealant and tubing. The varied interior diameter of the cylindrical coil structur...
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WO/1998/056016A1 |
The invention relates to a extra-flat miniaturized inductive component comprising a magnetic core (5) made of a soft magnetic material, a substrate (1) with conductor strips (6) and through connections. The conductor strips (6) and conne...
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WO/1998/053466A1 |
A combination apparatus of distribution transformer and switch comprises a distribution transformer with three-phase and five-column, wherein the arrangement of the low-voltage winding is Y�0?-form, the high voltage winding of each pha...
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WO/1998/034249A1 |
A power- or regulating transformer (11) with voltage regulating means is disclosed. The transformer comprises regulating windings (15) made of a flexible conductor having electric field containing means forcing the electric field due to ...
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WO/1998/025279A1 |
A highly efficient and highly reliable converter transformer which is used for a switching power source incorporated in various kinds of electronic equipment and has a small size, a light weight, an excellent characteristic for noise can...
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WO/1998/020468A1 |
A modular core, self-powered powerline sensor (10) includes a plurality of modular core elements (18, 20, 22) for disposing about an a.c. powerline (12); a winding layer to be energized by the a.c. powerline, including a plurality of int...
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WO/1998/016992A1 |
An adjustable three-phase transformer is disclosed. On the secondary side of the transformer, a controllable power electronic circuit (1) is inserted between a set of main windings (21, 22, 23) and auxiliary windings (31, 32, 33). The ci...
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WO/1998/010445A1 |
The single coil (27) has a straight cross section generally square or rectangular in shape and comprises an insulating resin shell (29) encapsulating an assembly of serial turns (30) formed by a wire conductor (2) with dielectric sheath ...
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WO/1998/010443A1 |
In order to create a highly dynamic low-power instrument transformer (1), especially for a gas isolated switching station with particularly low assembly dimensions, concurrent with particularly good signal performance at high frequencies...
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WO/1998/008237A1 |
The invention concerns a miniaturised VHV transfo-rectifier (a few kilovolts) for surface mounting on a screen printed ceramic substrate. The primary coil (7) and the secondary coils (N1 to N8) are respectively wound on separate legs (9,...
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WO/1997/039463A1 |
A number of types of transformer are proposed for possible use as basic electrical equipment in power stations, substations, power transmission lines, in radio engineering, and in measurement and automatic control and regulation systems....
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WO/1997/027600A1 |
The invention relates to a transformer comprising a primary (1 to 6) with a coil structure (11 to 16) and a core structure (21 to 26), and a secondary (31) with a coil structure (41) and a core structure (51), in which transformer the pr...
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WO/1997/026668A1 |
A coreless transformer with a superconducting primary and secondary winding, wherein both the primary and the secondary winding are divided into a number of sub-windings (P1, P2, ..., S1, S2, ...) and wherein the sub-windings of the prim...
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WO/1997/024735A1 |
A high frequency transformer includes a ring core made of noncrystalline magnetic material, a core protection case made of conductive material and enveloping said ring core, and a high voltage winding cross-wrapping said core protection ...
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WO/1997/021233A1 |
A power transformer intended for power coupling comprises two or more independent magnetic paths provided by relatively high permeability magnetic cores each of which is surrounded by one or more windings (primary, secondary) individual ...
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WO/1997/020329A1 |
A flexible coil winding structure of a flyback transformer is disclosed, which comprises a magnetizable core at the center portion, a first conductor line pattern and a second conductor line pattern at both sides, and a pair of flexible ...
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