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WO/1983/001340A1 |
A transformer for an electrical device. The conventional method of converting 3-phase power into DC power uses semi-conductor elements or rectifiers. This transformer converts the voltages of the 3-phase system to produce 12 single-phase...
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WO/1982/004495A1 |
A star-connection-to-2-delta-connection conversion transformer for electric equipment. Conventional transformers were heretofore fabricated as a single unit. In this transformer, different voltages can be produced by connecting the secon...
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WO/1982/003150A1 |
A low ripple high voltage power supply and a filament transformer for use therewith in a dental X-ray system. The power supply utilizes a rectifier (52) and regulator circuit (156) to provide a low voltage regulated DC signal, a DC-AC co...
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WO/1981/003408A1 |
A pulse transformer with shock excitation comprises a primary winding (1) and a coaxial multilayer cylindrical secondary winding (2) mounted on a support insulator and connected to a high-voltage bushing oriented along the axis of the tr...
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WO/1981/003093A1 |
A high-voltage rectifier comprises, immersed in a reservoir filled with an electrically insulating medium, a transformer with a secondary sectioned winding, each section (7) of which is provided with a metallic screen and which comprises...
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WO/1981/002363A1 |
An indicator for currents in e.g. a bus bar, which is adapted to be fastened directly to existing installations. The indicator consists of a coil (2) fastened to the bus bar (1) by means of a strap (4). The strap is made of a material ha...
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WO/1980/000636A1 |
A high-voltage transformer-rectifier comprises a three-phase step-up transformer with a three-dimensional magnetic circuit consisting of three vertical columns (7), each of them consisting of a series of isolated one from another closed ...
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JP7477996B2 |
To make a setting work of a display unit easier in a device having a display unit located away from a detection unit to attain an easy confirmation of the liquid surface in a tank.A liquid surface display device according to an embodimen...
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JP2024060624A |
【課題】多層基板の熱抵抗を低減する技術を
提供する。【解決手段】本発明の多層基板は
、導体が配線された複数の基板と、第１の粒
径を持つ第１の絶縁粒子が添加された絶...
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JP7476815B2 |
Provided is a high-frequency power supply device capable of causing an appropriate current to flow through a transformer. A self-oscillation high-frequency power supply device is provided with a DC power supply, an LC resonant circuit, a...
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JP7477667B2 |
Disclosed are a power inductor and a method of manufacturing the same. The power inductor includes a body, a coil pattern provided in the body, an external electrode disposed on at least one surface of the body and extending to at least ...
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JP2024058665A |
A transformer design that allows one or more transformers of an electrical system to cooperate with other components of the electrical system. [Solution] A transformer includes a magnetic core 5, which includes primary windings P1, P2, P...
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JP2024057271A |
An object of the present invention is to obtain a transformer with high heat dissipation. [Solution] A transformer 3 includes a core forming a magnetic circuit, a primary winding 3a and secondary windings 3b, 3d wound around the core, an...
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JP7473394B2 |
To provide a coil device that can be miniaturized and has excellent heat dissipation.A transformer 10 includes a bobbin 20 around which wires 37 and 38 are wound, and a core cover 50 covering the bobbin 20. The core cover 50 includes an ...
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JP2024056378A |
An object of the present invention is to provide a coil device in which the connection between bobbin parts is strengthened. A coil device 10 includes a first coil device section 1101 and a second coil device section 1201. The first coil...
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JP7471256B2 |
To obtain a seismic reinforcement device for a stationary inductor capable of retrofitting an already installed stationary inductor with seismic reinforcement in a simple configuration.A seismic reinforcement device for a stationary indu...
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JP2024055606A |
An object of the present invention is to provide a plate-shaped coil and a coil device with excellent heat dissipation. [Solution] A flat coil main body 12a, a lead part 14a pulled out from the coil main body 12a, and a coil main body at...
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JP7470239B2 |
To provide a coil device with excellent heat dissipation.A coil device 10 includes a bobbin 40 to which coils 20 and 30 are attached, terminals 91 and 92 to which the lead portions 22a and 32a of the coils 20 and 30 are connected, a case...
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JP7465850B2 |
To provide a mold transformer which realizes an earthquake-resistant structure which is hard to break even when a large vibration occurs without causing functional abnormality of the transformer, without enlarging equipment for installin...
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JP2024052609A |
The present invention provides a planar transformer that shortens the manufacturing cycle, has high fault tolerance, low manufacturing cost, and high adjustability. A planar transformer (1) includes a magnetic core assembly, at least one...
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JP7464852B2 |
To provide: a wire wound device which allows improvement in cooling performance; and a manufacturing method of the wire wound device.A transformer (1) comprises: windings (3a, 3b); cooling jackets (4, 5) for cooling the windings (3a, 3b)...
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JP7464158B2 |
Provided are a transformer and a method for manufacturing a transformer. The transformer includes a magnetic core including: a top substrate and a bottom substrate arranged opposite to each other, and a plurality of winding posts located...
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JP7462525B2 |
To provide a technique capable of improving the breakdown voltage performance of a planar transformer.An electronic component includes: a circuit board module 104 in which a primary side circuit 120 and secondary side circuits 122, 124 a...
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JP2024046739A |
A retention mechanism for an electromagnetic core having a predetermined number of limbs is provided. A retaining mechanism (200) includes a hub (202) having an axis (208). The hub includes a number of apertures 204 corresponding to the ...
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JP2024043951A |
The present invention provides a transformer and a method for manufacturing the transformer, in which an inner coil and an outer coil can be easily electrically connected to each other. A transformer 1 according to the present disclosure...
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JP2024043928A |
An isolator having a high coupling coefficient is provided. [Solution] An isolator according to one embodiment includes a first coil, a second coil that is arranged along the first axis and faces the first coil, and a side of the second ...
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JP2024042413A |
An object of the present invention is to provide a coil device that can be made low-profile, has a small case installation area, and has excellent heat dissipation. [Solution] A device body including a bobbin, a coil portion of a wire wo...
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JP7457779B2 |
To provide a flux cancellation-type transformer capable of suppressing heat generation from a coil even in the case of a high-frequency operation or the case where a heavy current flows.A transformer 100 according to the present inventio...
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JP7455771B2 |
To suppress stress concentration on a tank weld to provide a long-life product in an oil-filled transformer.In a tank 1 of an oil-filled transformer that houses a transformer body consisting of an iron core and a winding wound around the...
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JP2024040870A |
An object of the present invention is to provide a transformer in which a coil is easily cooled. [Solution] A transformer according to the present disclosure includes a frame 2 having an annular shape having a vertical side extending ver...
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JP2024035873A |
The present invention provides a power conversion system having a multi-core multi-winding transformer configuration that increases power capacity while suppressing cost and complexity of magnetic design. A power conversion system includ...
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JP7448746B2 |
A transformer, in particular a medium frequency transformer for a resonant DC/DC converter or a dual active bridge DC/DC converter, comprising,b) a core, in particular a core having an air gap;c) a first coil surrounding a first section ...
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JP2024034756A |
An object of the present invention is to provide a coil device that can realize miniaturization of the device. [Solution] A coil device 1 includes a bobbin 10 having a hollow cylindrical winding core 12, a core 50 at least partially disp...
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JP2024034757A |
An object of the present invention is to provide a coil device that can realize miniaturization of the device. [Solution] A coil device 1 includes a bobbin 10 having a hollow cylindrical winding core 12, a core 50 at least partially disp...
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JP7444800B2 |
To reduce a manufacturing cost of a transformer.A transformer 10 comprises: a first iron core 111 having a cylindrical first cylinder part and a plurality of first projection parts 113 projected from the circumference surface of the firs...
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JP2024510325A |
The present invention relates to a transformer and a circuit board including the transformer. An embodiment of the transformer according to the present invention includes a core portion including a lower core portion and an upper core po...
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JP7442885B1 |
The present invention provides a transformer and a method for manufacturing the transformer, which can be made smaller or have improved characteristics if the size is the same, and can reduce manufacturing costs. [Solution] A transformer...
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JP2024509516A |
The present invention relates to a main magnetic component applicable to a core module of an electric vehicle. A composite magnetic component that is an embodiment of the present invention includes a transformer that converts input power...
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JP2024509374A |
The present invention is a power saving device that can save power consumption by maintaining the output voltage constant even if the input voltage changes, and adjusts the supply voltage to a stable voltage by the mutual induction effec...
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JP2024027487A |
An object of the present invention is to radiate heat generated from a plurality of stacked coils constituting a coil body from coils in all layers. A coil device 100 includes a core 10 mounted on a mounting surface 71 of a cooler 70, a ...
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JP7441647B2 |
To reduce a leakage magnetic flux penetrating a gap of planar type coils.A coil unit has a coil structure in which a first planer type coil arranged with a flat-plate like first conductor 11 in an annular shape and a second planer type c...
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JP7439708B2 |
To provide a coil device that can be easily positioned with a board such as a circuit board.A coil device 10 includes a bobbin 40 having a winding portion 45 around which a first wire 22 and a second wire 32 are wound, terminals 91 and 9...
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JP2024023816A |
[Problem] To provide a small, low-profile insulation transformer that can suppress magnetic saturation of the core even in a high-temperature environment while ensuring sufficient creepage distance. [Solution] A bobbin including a pair o...
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JP7433259B2 |
To provide a transformer that makes it easy to be lifted up and moved in four directions by a forklift and facilitates work for fixing the transformer.A transformer includes an iron core, a winding, and a base supporting the iron core an...
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JP2024507227A |
Embodiments of planar transformer winding assemblies are provided herein. For example, a transformer winding assembly may include a primary winding configured to connect to a top surface of a flexible substrate comprising a plurality of ...
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JP2024022476A |
The present invention provides a transformer whose manufacturing process is simple and can be easily automated, whose product quality and dimensions are stable, whose products are highly common, and whose volume is small. A transformer o...
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JP7432074B2 |
A transformer (100) includes a transformer core (110) having a first core leg (111) having a first longitudinal axis (11) and second core leg (112) having a second longitudinal axis (12); a first low voltage (LV) winding (121) arranged a...
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JP7430115B2 |
The purpose of the present invention is to provide a stacked-core stationary induction apparatus of a strip type which is easy to manufacture and has high efficiency. For this purpose, the present invention provides a stacked-core statio...
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JP2024019724A |
An apparatus including an improved winding carrier is provided. The device (1) includes a winding carrier (2), at least one winding (3), a magnetic core (7), and first and second terminals (5, 6). The winding carrier (2) surrounds the ma...
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JP2024506149A |
The present invention relates to a winding body (1310) used for a high voltage winding (130). The winding body (1310) is a plurality of winding plates (1313), each of the winding plates (1313) having a plurality of comb teeth formed on t...
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