| Document |
Document Title |
|
WO/1984/001050A1 |
A transformer for an electrical device. Conventionally, the line voltage in a 3-phase AC circuit is raised with respect to the ground voltage by using a ground return circuit. However this transformer employs three single winding coils o...
|
|
WO/1983/002194A1 |
The transformer comprises a magnetic circuit (8) as well as, for each phase, a high voltage electric circuit (17) and a low voltage electric circuit (18), both wound about at least one section of the magnetic circuit (8). The electric ci...
|
|
WO/1983/001341A1 |
Transformer for an electrical device. Conventionally, in order to convert 3-phase power into single-phase power, a motor generator is used or the 3-phase AC voltages are first converted into DC voltages which are then converted into a si...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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 ...
|
|
JP7489552B2 |
A winding for a phase winding of a transformer. The winding has coil turns around a coil axis. The winding is adapted to transform voltage in a transformer at a predetermined frequency, when the transformer is operating. The winding is e...
|
|
JP2024067279A |
The present invention provides a stationary electromagnetic device having a winding structure that allows leakage inductance to be set over a wide range without applying special structures or construction methods. [Solution] A first prim...
|
|
JP2024066216A |
An object of the present invention is to enable switching between two types of power reception voltages, increase the degree of freedom regarding the ratio of power reception voltages to be switched, and require a relatively simple confi...
|
|
JP7483579B2 |
A sensor system includes a sensor network comprising at least one optical fiber having one or more optical sensors. At least one of the optical sensors is arranged to sense vibration of an electrical device and to produce a time variatio...
|
|
JP7484003B1 |
[Problem] To suppress air remaining in a small gap when vacuuming is performed when used as an oil-immersed transformer. An aspect of the present invention is a transformer that receives AC power from a circuit on the power supply side, ...
|
|
JP2024066232A |
The present invention provides a coil component that can improve stability when cores are arranged on a plurality of substrates. A coil component 10 includes a plurality of substrates 20, a core material 30, and a support member 40. Each...
|
|
JP2024064602A |
[assignment]To provide a transformer core capable of improving efficiency. [Solution] The transformer core includes a yoke core that includes a plurality of first iron plates stacked such that one principal surface is perpendicular to a ...
|
|
JP2024063772A |
A waterproof electromagnetic device in which a magnetic core 10 is located at the center of an enclosure 40 is provided. A waterproof electromagnetic device of the present invention includes a magnetic core 10 surrounded by a coil 20, an...
|
|
JP7480116B2 |
A balun (100) providesa. a balanced signal port (110) comprising a first connection (130) and a second connection (140) andb. a single-ended (120) signal port comprising a third connection (150) and a fourth connection (160), the fourth ...
|
|
JP7479966B2 |
To provide a stationary induction electric apparatus that can be miniaturized.A stationary induction electric apparatus has a container and an iron core. The container has a cylindrical shape. The iron core is housed in the container. Th...
|
|
JP2024061230A |
An object of the present invention is to allow a resin member to reach further inside. A transformer 8 includes a core 81, a housing part 82, a secondary coil 83, an insulating member 84, and a primary coil 85. Core 81 is rod-shaped. The...
|
|
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...
|
|
JP2024060624A |
[assignment] Provides technology for reducing thermal resistance of multilayer substrates. [Solution] The multilayer substrate of the present invention includes a plurality of substrates on which conductors are wired, and an insulating m...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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)...
|
|
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...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
