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WO/2009/043129 |
The invention is applied to an electric device comprising a reel (10), whose central hub (11) carries end flanges (12, 13); a coil winding (20); and an outer lamination stack (30). The insulating process comprises the steps of: providing...
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WO/2009/041301 |
A composite magnetic device comprising two magnetic elements, exhibiting the characteristics of the two magnetic elements, manufactured at a reduced production cost, and preferably enabling the two magnetic elements easily to exhibit the...
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WO/2009/042076 |
The invention is directed to a transformer and a method of manufacturing the same, wherein at least a portion of a core is disposed inside a shield case formed from a polymeric resin composition containing conductive particles. An encase...
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WO/2009/041304 |
A first wiring layer, and a plurality of second wiring layers thinner than the first wiring layer are formed in lamination on a semiconductor substrate. An inductor is constituted of the plurality of second wiring layers. The inductor os...
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WO/2009/041931 |
The invention relates to high voltage and high power transformers with a lighting-protection screen. A lighting-protection screen designed in the form of in series connected capacitance turns, which are made from insulated plates, is con...
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WO/2009/041304 |
A first wiring layer, and a plurality of second wiring layers thinner than the first wiring layer are formed in lamination on a semiconductor substrate. An inductor is constituted of the plurality of second wiring layers. The inductor os...
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WO/2009/042232 |
A planar transformer comprises a laminate substrate having an opening with metal traces wound thereabout forming a primary and a secondary winding, a core configured to fit inside the opening to enclose the laminate substrate. At least o...
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WO/2009/038616 |
The invention is directed to a transformer and a method of manufacturing the same. The transformer has high and low voltage coils mounted to legs of a core. Each low voltage coil includes, conductor sheeting (40) having opposing first an...
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WO/2009/037822 |
A transformer is provided with a first bobbin (15), which has a first primary winding (12) and a first secondary winding (13) wound thereon and a first through hole (14); a second bobbin (19), which has a second primary winding (16) and ...
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WO/2009/037978 |
Provided are a coil antenna, which can suppress the increases of the manufacture and product costs and which has its two coil ends prevented from becoming detached from metal terminals because of the high heat at a resin molding time and...
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WO/2009/034179 |
The present invention relates to a transformer assembly (1) and a process for manufacturing same. The transformer (1) comprises a primary winding (5) wound on a PCB (9) and a secondary winding (7) mounted adjacent to the primary winding....
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WO/2009/034710 |
A core for reactors enabling realization of reduction of the eddy current loss and improvement of the direct current superposition characteristic, its manufacturing method, and a reactor are provided. A reactor core (M) is produced by pr...
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WO/2009/034179 |
The present invention relates to a transformer assembly (1) and a process for manufacturing same. The transformer (1) comprises a primary winding (5) wound on a PCB (9) and a secondary winding (7) mounted adjacent to the primary winding....
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WO/2009/034824 |
This invention provides a highly reliable stacked coil component which is free from the formation of any gap between a magnetic material ceramic layer and an internal conductor layer, can relax a problem of internal stress, is low in dir...
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WO/2009/034894 |
This invention provides a soft magnetic material, which can improve direct current superimposition characteristics, a powder magnetic core, a process for producing a soft magnetic material, and a process for producing a powder magnetic c...
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WO/2009/034860 |
Provided is a magnetic component having stable connection between a conductive wire and a terminal. A step of connecting both ends of the conductive wire to the terminal can be eliminated. The magnetic component is provided with a core (...
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WO/2009/035802 |
A battery-charging system includes a power supply having a high-frequency transformer and is configured to deliver a battery charging power to charge at least one battery. The high-frequency transformer has a bobbin including an elongate...
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WO/2009/031286 |
A transformer transporting/assembling method comprises a transportation step of transporting a U-shaped iron core (61) with an iron plate horizontally extending to a place near the installation site and an erection step of erecting the U...
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WO/2009/026960 |
A high voltage dry-type reactor is series-connected via a first terminal (A) to an AC supply voltage and via a second terminal (B) to the AC phase terminal of a high voltage converter (1) and which comprises a cylindrical coil (14) of in...
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WO/2009/028142 |
Provided is a U-shaped iron core transfer-assembling method, by which a first-leg iron core (1a), a second-leg iron core (1b) and a lower-yoke iron core (6) are housed in a first-leg iron core tank (2a), a second-leg iron core tank (2b) ...
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WO/2009/025279 |
A noncontact power receiving apparatus is provided with a power receiving coil having a spiral coil, a rectifier, a secondary battery, and an electronic device which operates by being supplied with a direct current voltage from the secon...
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WO/2009/024010 |
A leading-out wire device of a reactor is directly connected to an active part of the reactor and comprises an U-type insulating plate ( 19 ), a metal voltage-sharing shield insulation layer ( 20 ) covering outside the U-type insulating ...
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WO/2009/024009 |
A double active parts structure of a reactor comprises two separate active parts that are coupled together by its inner coils ( 8 ). The arrange mode of the two active parts is parallel or in-line.
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WO/2009/024008 |
An iron core reactor includes reactor active parts. The reactor active parts include two or more separate reactor active parts. The windings in the respective active parts are serially or parallelly connected. The respective active parts...
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WO/2009/018850 |
The invention relates to a method for determining the magnetic leakage flux coupling between windings of a transformer having n windings and at least one high voltage winding and at least one low voltage winding. According to the inventi...
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WO/2009/019733 |
An improved dryer (1) dehumidifying the air intended for oil expansion tanks used in electrical equipments including a dehumidification container (2), which presents an inlet for the air to be dehumidified and an outlet (3) for the dehum...
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WO/2009/020989 |
The present invention relates to the use of polyester compositions made by melt blending a mixture comprising at least one thermoplastic polyester polymer and a combination of fibrous glass fillers having a non-circular cross-sectional a...
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WO/2009/015955 |
The invention relates to a current-compensated choke, comprising a plurality of current paths (1, 2) and being made of a plurality of windings (1a, 1b, 2a, 2b) that are connected in parallel and are wound around a common core (3). The wi...
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WO/2009/017275 |
Provided is a self-examination-type cast resin transformer. A partial discharge measurement device of the self-examination-type cast resin transformer includes a high- voltage hybrid sensor, which is molded using an epoxy resin and dispo...
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WO/2009/012938 |
A magnet core (1) which is suitable for use in a residual current device and is composed of a spirally wound soft-magnetic strip has an upper face (4) and a lower face (5), wherein the upper face (4) and the lower face (5) are formed by ...
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WO/2009/010003 |
A power coupler includes base (14), housing (13), primary frame (1) and secondary frame (3). The primary coil (2) and secondary coil (4) are wound on the primary frame (1) and secondary frame (3) made of lower permeability magnetic mediu...
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WO/2009/011536 |
A method of compensating for the errors of a measuring current transformer in consideration of the hysteresis characteristics of a core is disclosed. Secondary current is measured at predetermined time intervals, and a secondary voltage ...
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WO/2009/011536 |
A method of compensating for the errors of a measuring current transformer in consideration of the hysteresis characteristics of a core is disclosed. Secondary current is measured at predetermined time intervals, and a secondary voltage ...
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WO/2009/011217 |
Provided is a surface mounting component wherein a shock applied to constitution members in manufacturing process is reduced and sufficient solder bonding strength is achieved after surface mounting. At least a part of end surfaces (5A2,...
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WO/2009/010508 |
An electric coil comprising a coil core (10), a main winding (16) surrounding the coil core (10) and having an electrically conductive coil wire, a start winding (14) surrounding the coil core (10) and having an electrically conductive c...
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WO/2009/008765 |
The invention relates to electrical engineering, in particular to transformer production, and can be used in current-limiting devices which, during short-circuits in electric networks, make it possible to use the network breakers when th...
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WO/2009/008253 |
Provided is a common-mode choke coil, which is intended to improve the Scd21 characteristics by making the inductance difference between a first coil element and a second coil element as small as possible. The common-mode choke coil comp...
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WO/2009/008740 |
A transformer (1) comprising: a core with a closed loop topology (201), a low voltage winding (231) with two or more sections (232), (233), a high voltage winding (230) with the same or similar number of turns and one or more sections, w...
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WO/2009/005243 |
An embodiment provides an inverter transformer comprising: a first bobbin around which a first coil is wound, the first bobbin comprising a first through hole; a second bobbin around which a second coil is wound, the second bobbin compri...
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WO/2009/003816 |
A high voltage cable connection (1) for a high voltage device containing insulating liquid comprises a voltage grading shield (8), improving performance and facilitating manufacturing.
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WO/2009/005243 |
An embodiment provides an inverter transformer comprising: a first bobbin around which a first coil is wound, the first bobbin comprising a first through hole; a second bobbin around which a second coil is wound, the second bobbin compri...
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WO/2008/156145 |
Provided is a magnetic element capable of enhancing the fixing strength of bases on a core even in case the bases are fixed on the core in an insert mold. A magnetic element (1) comprises a core (2) made of a magnetic material, and bases...
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WO/2008/152467 |
A reactor includes a cooling block; a heat radiation base affixed to the cooling block; a reactor core that includes a coil, and that is affixed to the heat radiation base; and a resin molded body formed on the heat radiation base to cov...
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WO/2008/151661 |
Electrical transformer with unidirectional flux compensation, characterized by the following features: a) the transformer (20) has a soft-magnetic core (4), on which, in addition to a primary and a secondary winding arrangement (1, 2), a...
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WO/2008/152710 |
A railroad reactor device is provided with a coil assembly (10), a side cover (11), through bolts (12) inserted into the coil assembly (10), cover support members (14), a pair of frames (20 and 20) which fix support fixing parts (20a) to...
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WO/2008/152467 |
A reactor includes a cooling block; a heat radiation base affixed to the cooling block; a reactor core that includes a coil, and that is affixed to the heat radiation base; and a resin molded body formed on the heat radiation base to cov...
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WO/2008/152616 |
The present invention provides an improved transformer (20), which broadly includes: a substrate (21) having first and second surfaces (22, 23); a first board (24) mounted on the substrate first surface; a second board (25) mounted on th...
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WO/2008/152641 |
A magnetic induction device (MID) is disclosed. The MID includes a core, and at least one first winding including at least one conductive strip deposited on the core and including at least two turns which are substantially simultaneously...
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WO/2008/152616 |
The present invention provides an improved transformer (20), which broadly includes: a substrate (21) having first and second surfaces (22, 23); a first board (24) mounted on the substrate first surface; a second board (25) mounted on th...
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WO/2008/153257 |
A toroidal transformer is disclosed. The toroidal transformer includes an R-phase toroidal core, an S-phase toroidal core, and a T-phase toroidal core, which correspond to respective R phase, S phase, and T phase. The part of a main wind...
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