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WO/2004/061877A1 |
The winding (36) of a choke coil (31) is densely wound in a single layer around the outer periphery of tubular barrel (33) of a bobbin (32), and a winding (37) is densely wound in a single layer over the winding (36). A winding (46) is d...
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WO/2004/055841A1 |
A multiple choke coil, comprising a coil group and magnetic substance (7) in which the coil group is buried. The coil group further comprises a plurality of terminal-integrated coils (1) and (4) formed by bending metal flat plates in spe...
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WO/2004/055840A1 |
A coil unit and a compound coil unit, the production process of which can be simplified for reduced production costs and which are resistant to vibration and highly reliable. In the coil unit, electric wires (21) with a substantially let...
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WO/2004/019475A1 |
A choke arrangement and a method in conjunction with an inverter, the phase output of the inverter being configured to be composed of two or more parallel branches, each of which comprises an upper (V1, V3, V5) and a lower (V2, V4, V6) p...
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WO/2004/017338A1 |
The invention relates to an inductive component (1), for the formation of a magnetic circuit, comprising at least one wire winding (3) and at least one core (4) with a ferromagnetic core material. Said core comprises a gap (7, 8) and at ...
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WO/2003/081614A1 |
There is illustrated the assembly of a dual inductor (1) on to a printed circuit board (2). A printed circuit board (2) has a through hole (3). Then the first winding (5), formed from a stamping, is mounted across the hole (3). Then, the...
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WO/2003/079379A1 |
A composite core nonlinear reactor comprising a first core member of high permeability material forming a continuous annular magnetic path, a second core member of high permeability material forming an annular magnetic path locally broke...
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WO/2003/060930A1 |
A powder magnetic core prepared by the compression molding of a magnetic powder, wherein the magnetic powder is made of an alloy having a composition: Si: 1 to 10 wt %, O: 0.1 to 1.0 and balance: Fe, and the magnetic core comprises the a...
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WO/2003/058651A1 |
A noise filter for efficiently filtering out noise generated by a noise generation source inside an outdoor unit of an air conditioner in which power from the master power source is supplied through the outdoor unit to the indoor unit. P...
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WO/2003/032477A2 |
An integrated magnetic assembly (100) that allows the primary and secondary windings of a transformer and a separate inductor winding to be integrated on a unitary magnetic structure (102) is disclosed. The unitary magnetic structure (10...
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WO/2003/030191A1 |
An inductance device includes terminals (9) which are mounted to the inductance device from outside of a ring core (7). A fit-section (12) of one of each terminal (9) is bent along an outer wall (14), an upper face (15) of a groove (19),...
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WO/2003/010876A2 |
The switched-mode power supply according to the invention has a power factor correction circuit, which operates on the principle of a current pump and has a first coil (L15) for damping voltage spikes, as well as a second coil (L19) for ...
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WO/2003/007682A2 |
An emission control device (10) and method are provided for treating exhaust to reduce pollutants contained therein. The device (10) includes a first chamber (16) through which the exhaust passes. First and second grids (26 & 30 respecti...
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WO/2002/103724A1 |
A device for absorbing axial and radial short-circuit forces in a cable-wound inductor where a fixing member (10) with its inner envelope surface surrounds th ecable winding (4) of the inductor.
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WO/2002/078022A1 |
A high frequency power inductance element capable of remarkably reducing a leakage by remarkably reducing an interwinding capacity, remarkably increasing a heat radiation from coils, and remarkably improving a productivity and a cost, co...
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WO/2002/059914A2 |
An inductive device (10) comprises an electric winding componen t (14) having a generally toroidal shape, and a plurality of discrete magnetic components (12) at least partially embracing the electric winding component (14) so as to comp...
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WO/2002/050849A1 |
A choke coil which can be arranged tightly on an electronic circuit board (high-density mounting) and can be used over a wide band up to a microwave band while preventing oscillation due to magnetic coupling of choke coils. The choke coi...
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WO/2002/033711A1 |
An inductor arrangement (100) with a core according to the invention comprises two opposing E-shaped cores (110, 111) forming a single core. Due to its E-shaped components, the core has a first outer leg (112), a second outer leg (113) a...
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WO/2002/031942A1 |
The invention relates to a current limiting arrangement for limiting a current in an electrical power system, which current limiting arrangement, comprises an induction winding (3), surrounding a magnetic flux circuit (2) comprising a fe...
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WO/2002/025797A2 |
The present invention relates to the methods of construction for inductive components of, preferably, ferromagnetic materials such as inductors, chokes, and transformers when used as an integral part of the fabrication of PCB's or FLEX's...
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WO/2002/021546A1 |
An inductor (8) for an electrical circuit comprises a coil (14) having an input end (16) and an output end (18). The coil is wound about a solid continuous core (10) of magnetically permeable powdered iron material, having first and seco...
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WO/2002/019350A1 |
An inductor comprising a core, wherein the inductor is produced by the steps of: defining physical parameters of the core of the inductor, the physical parameters including dimensions of the air gap; defining a plurality of branches of t...
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WO/2001/091141A1 |
The invention relates to an inductive component (10) whose soft magnetic core (11) is produced by pouring a casting resin into a mold (1a) filled with a soft magnetic alloy powder and by subsequently hardening the casting resin with the ...
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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/2001/052282A1 |
The invention provides a line filter with improved common mode rejection, which has a good attenuation characteristic in a wide range of low-frequency to high-frequency bands. A line filter has a first winding part (14) for a second band...
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WO/2001/045118A1 |
Disclosed are a gapped magnetic core which may be coated or uncoated with an insulating layer or housed in an insulting box (1) having a physical gap (10) whose dimension is close to that of the gapped magnetic core and automated or semi...
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WO/2001/022446A1 |
An inductor configuration (50) comprising a three-legged inductor core (20) with a first leg (22), second leg (24), and third leg (26) integrally extending from a base (28). The first leg (22) and second leg (24) are predisposed and spac...
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WO/2000/067265A1 |
The invention relates to an inductive resistor system and to the construction of inductive resistors, choke coils, transformers with extremely high power density. Choke coils represent the conventional embodiments of inductive resistor s...
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WO/2000/055873A1 |
A high current, low profile inductor includes a conductor coil surrounded by magnetic material to form an inductor body. The inductor coil is formed from a flat plate which is cut into a sine-shaped configuration and then is folded in ac...
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WO/2000/054558A1 |
An equalizer transformer and a ballast choke for use in a circuit arrangement for operating two or more lamps in parallel are integrated into one inductive component.
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WO/2000/025328A1 |
The present invention pertains to the field of electrical engineering and power generation techniques and may be used as a continuously controlled resistor, or as a static compensator for excess power in electric networks. This invention...
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WO/2000/025329A1 |
A reactance coil (1) has an annular core (2) on which reactance coils are wound. Said reactance coils (3) are divided up into coil sectors (4) that are separated from each other by means of gaps (5) in the windings. The gaps (5) in the w...
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WO/1999/039359A2 |
An electric ballast (1) is provided with an electric coil with windings having a width (d) which are wound on a synthetic resin coil base (10) comprising a box-like base part (11) of rectangular shape having four faces (111, 112, 113, 11...
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WO/1999/028931A2 |
A reactor comprises a plurality of windings (3-5) each adapted to be connected to a phase (6-8) of a multiphase alternating voltage. The windings are configurated so that they upon connection to said voltage are influenced substantially ...
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WO/1999/022385A1 |
The invention relates to an electric power transmission device, comprising a primary conductor configuration consisting of at least two primary conductors running parallel to each other and at least one secondary winding configuration el...
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WO/1999/019889A1 |
The invention relates to a radio interference suppression choke, comprising a connection wire (1) consisting of an electroconductive and heat conductive non-ferromagnetic first alloy and a strip-wound magnetic core (2) consisting of a fe...
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WO/1999/003116A1 |
A coil for a transformer, a choke coil, and the like, having a simple structure, a small iron loss, and an inductance which little decreases with current. The coil comprises at least one rod-like core (5) longer than the inside diameter ...
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WO/1998/041997A1 |
An electrical choke comprises a magnetic amorphous metal core having, in combination, a distributed gap and a discrete gap. The amorphous metal is an iron based, rapidly solidified alloy. The distributed gap configuration is achieved by ...
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WO/1998/029934A2 |
The invention concerns an electric motor with a stator (10), in whose bore (13) a rotor is arranged, and with a control arrangement having at least one coil (9) with a core (15) passed by the motor current. The coil shall be arranged in ...
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WO/1998/019318A1 |
This invention provides an inductor including an elongate conductor bar (10) of rectangular cross section, at least part of the bar being surrounded by a sleeve (20) which provides substantially no electrical conduction path through the ...
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WO/1998/018143A1 |
A highly reliable choke coil which is used for various kinds of electronic equipment in public welfare and industries, can cope with a large current in spite of a thin thickness, and can be assembled with high workability. The choke coil...
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WO/1998/006113A1 |
A choke having a ferrite core that is wound with a ribbon wire helix. A resistive compound coating applied to the helix windings provides both increased ribbon wire series resistance and increased shunt conductance between helix turns, f...
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WO/1997/019458A1 |
The invention relates to an inductive component that comprises a magnetic core (1), coil (6) and yoke (7, 10). According to the invention, the magnetic core (1) comprises a cylinder (2) that has been wound from wide strip material around...
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WO/1997/010608A1 |
Ballast for a discharge lamp, which can make a sustained power supply to the discharge lamp, and method and apparatus for manufacturing the same, are disclosed. The ballast having a core assembly (4) with one pair of stacks of a pluralit...
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WO/1996/031889A1 |
A two-stage, high-voltage inductor assembly (10). The inductor assembly (10) is particularly adapted for use in a power supply circuit for an electrostatic precipitator. The inductor assembly includes a first stage inductor (14) member d...
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WO/1996/018198A1 |
A D.C. reactor comprising a core structure having two opposed cores separated by a magnetic gap, to form a closed magnetic circuit; a coil wound on one or both of the cores; a pair of permanent magnets for biasing, disposed on the core s...
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WO/1996/014644A1 |
The invention concerns a filter choke having a coil core (14) which comprises a straight core section and two coils (W1, W2) which are disposed thereon, have identical inductance and are wound in opposite senses. The coils (W1, W2) are d...
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WO/1995/029493A1 |
A choke coil used in electronic equipment, etc., for consumer and industrial uses as a countermeasure against harmonic distortion. The choke coil comprises a first magnetic core (1) forming a closed or open magnetic circuit, a second mag...
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WO/1994/027304A1 |
The invention relates to a liquid-cooled valve choke, especially for a high-voltage d.c. transmission installation, consisting of a choke core (2) and a choke coil (4), in which the choke coil (4) consists of a primary winding comprising...
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WO/1991/007766A1 |
The invention provides an impedance bond for use in electric railway systems having a lower casing (10) with a well (12) for accommodating a generally circular winding and magnetic core system (20). A plurality of magnetic cores (26) is ...
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