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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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WO/1989/007828A1 |
The so-called delta-phi choke coil exploits the effects of various core materials and/or air gap sections in the core parts on the magnetization curves of the core materials. It comprises at least two magnetically separated core sections...
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WO/1981/002648A1 |
A low-loss reactor (1) is made up of a core having a coil (5), said core comprising an upper and a lower yoke (2, 3) and intermediary legs (4a, 4b, 4c). The two yokes and the legs are made up of laminations of plates, said laminations in...
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JP2024068045A |
The present invention provides a common mode inductor with improved inductance. A common mode inductor includes an insulation protection case, a housed magnetic core, and a copper bar winding unit 3 wound outside the insulation protectio...
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JP7482639B2 |
To provide a reactor capable of efficiently forming a resin coating portion covering a coil in a short time and maintaining the rigidity of a flange portion of the bobbin for positioning the coil.A reactor 1 includes a coil 2, a bobbin 5...
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JP2024065024A |
The present invention makes it possible to improve productivity in the process of attaching a coil device to a board. [Solution] The coil device 1 includes a core 20, a plurality of coils 10 wound around the core 20, and one or more supp...
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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...
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JP7478166B2 |
The invention relates to an inductive component (1, 10) which comprises a copper wire winding (3) and a covering material (8) which surrounds the copper wire winding (3). The covering material (8) comprises a matrix (5) and at least one ...
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JP7475664B2 |
There is provided a noise filter. A noise filter according to the present disclosure includes: a non-divided type magnetic core in which a through-hole having a first opening and a second opening at respective ends of the through-hole is...
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JP7474740B2 |
A wound component having a ferromagnetic support, at least one electrically conductive winding wound around the ferromagnetic support and adapted to conduct at least one induction current, and a temperature sensor interposed between the ...
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JP7472768B2 |
To provide a reactor structure of a power conversion device that can reduce a current ripple that flows to the output side without increasing the volume of a reactor.The DC output side of a power conversion unit 100 configured by connect...
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JP7472971B2 |
The present disclosure provides a reactor that enables efficient dissipation of heat from a coil. A reactor (1) comprises a thermally conductive sheet (60) disposed around a winding portion (42) of a coil (40). The thermally conductive s...
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JP7470668B2 |
This electromagnetic steel plate for a reactor comprises: a central component including a plate-like first portion extending in a first direction, and six second portions integrally provided with the first portion and comprising three on...
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JP7469057B2 |
To provide a reactor and a reactor manufacturing method in which an annular core is molded without creating a gap.A reactor 100 includes an annular core 2 that combines partial cores 21 and 22 that are molded bodies, a coil 3 mounted on ...
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JP2024516460A |
A method for forming a high current inductor utilizes a solid core material to form a ribbon inductor. In some embodiments, the method includes forming a central aperture longitudinally through the solid core conductive material, the sol...
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JP2024515160A |
The present invention provides a bobbin with good cooling efficiency for a wire-wound high-frequency magnetic device. A bobbin 20 of the present invention has a first outer surface 21, a first inner surface 13, and a chamber 30. The firs...
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JP2024046847A |
An object of the present invention is to provide a high-voltage electrical component that can suppress the risk of electric discharge and can be sufficiently cooled. A high voltage electrical component includes a holding member, a high f...
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JP2024043745A |
[Problem] To improve heat dissipation of a reactor. A reactor 100 includes a conductor 10 having a meandering shape in which concave portions and convex portions are alternately repeated in a first direction, a magnetic body 20, and a he...
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JP2024043749A |
[Problem] To improve heat dissipation of a reactor. A reactor 100 includes a conductor 10 having a meandering shape in which concave portions and convex portions are alternately repeated in a first direction, and a magnetic body 20. The ...
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JP2024043752A |
The present invention provides a reactor that improves heat dissipation performance of the reactor. A reactor 100 includes a conductor 10 and a magnetic body 20 that have a meander shape in which concave portions and convex portions are ...
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JP2024042394A |
The present invention provides a composite magnetic material with high magnetic permeability, low iron loss, and stable magnetic properties. A composite magnetic material includes magnetic powder made of a mixture of ferrite powder and s...
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JP7455499B2 |
Provided is a reactor that can prevent deterioration of a fixing part. The reactor (10) includes: a coil (12) composed of a wound wire (11); a first core (13) incorporating the coil (12); the second core (14) facing the first core (13) a...
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JP2024038321A |
The present invention provides a soft magnetic metal powder that can have a high filling rate. [Solution] A soft magnetic alloy powder containing Fe and Si as constituent elements and at least one of Cr or Al, wherein Cr or Al is added t...
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JP7452358B2 |
Disclosed herein is a coil component that includes a first conductor layer having first and third planar spiral coils and second conductor layer having second planar spiral coil. The first planar spiral coil is positioned on an outer per...
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JP7451469B2 |
A coupling inductor comprises a core having a central section and an outer section, a first coil wound around the central section between a first end and a center portion of the central section, a second coil wound in a direction opposit...
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JP7450315B2 |
To provide a reactor that can be miniaturized.A reactor 100 is provided, comprising a reactor body 10, sensor 6, and a terminal block 7, the sensor 6 includes: a detector 61 that detects the status of the reactor 100; a connector 63 that...
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JP7450316B2 |
To provide a reactor that does not easily transfer heat during welding to a terminal block even when a busbar and a coil are connected by welding.A reactor 100 includes a coil 3 wound around a core, bus bars 5c and 5d that are connected ...
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JP7448391B2 |
To provide a reactor in which an extended end of a coil can be easily positioned at the connection of a board without falling off of the extended end of a coil.A reactor (6) includes: a core body including an outer peripheral portion iro...
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JP7446062B2 |
To provide a reactor having a coil made of a hollow conductor and having a specific structure necessary for enabling cooling with a refrigerant.A reactor 10 includes a coil 20, a first connecting member 30, and a second connecting member...
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JP7445900B2 |
To provide a choke coil that can be made smaller, higher output, and higher performance than before.A choke coil includes two winding shafts 1, 1C, 2, and 2C around which coils CL11 and CL12 are respectively wound via bobbins B11 and B12...
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JP7442975B2 |
To provide a reactor capable of adjusting a coupling coefficient of two coils to an appropriate value.A reactor 100 includes a first coil 230, a second coil 240, and a core 300. The core 300 includes an upper high relative magnetic perme...
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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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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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JP3245864U |
The present invention provides a wireless transmission module that integrates a magnetic conductive plate. A wireless transmission module 100A includes a circuit assembly 101 configured to be connected to a coil CTL, and a first magnetic...
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JP7440280B2 |
To suppress reduction in attenuation effect on noise.A noise filter 30 includes a wiring 31 and a core 50. The wiring 31 includes a first wiring portion 32, a second wiring portion 36, and a connection portion 40. The second wiring porti...
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JP7438293B2 |
This application provides a magnetic power component, including a printed circuit board and a magnetic core assembled to the printed circuit board. The magnetic core includes a magnetic core body and a plurality of heat dissipation teeth...
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JP7438073B2 |
A terminal block includes a terminal and a base having a terminal attachment part to which the terminal is attached. The terminal includes a coupling part coupled to the terminal attachment part. The terminal attachment part is formed wi...
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JP7437989B2 |
To provide: a reactor and a manufacturing method therefor, capable of simplifying the manufacturing process of a reactor; a case holding a core constituting the reactor; and an electronic apparatus in which the reactor is used.A case 1 i...
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JP7437193B2 |
To provide a reactor equipped with a new heat dissipation structure for dissipating heat generated in a coil to the outside.A reactor 10 is equipped with a coil 22 and a magnetic core 40. The coil 22 is wound around a center axis 24X ext...
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JP7436246B2 |
To accurately detect coil temperature without the use of an additional component.A reactor (6) includes an outer peripheral core (20) and at least three iron core coils (31 to 34). The iron core coils include respective iron cores (41 to...
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JP7435288B2 |
Disclosed herein is a common mode filter that includes first and second wires wound in the same direction around the winding core part. The first and second wires include first and second layer winding portions each including a plurality...
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JP7435324B2 |
To provide a magnetic component in which hardened resin for heat radiation is arranged by sufficiently supplying resin between an insulation sheet and a core/coil.A magnetic component is constituted by arranging a ring shaped insulation ...
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JP7436226B2 |
To make it easy to manage regardless of the degree of protection.A reactor (5, 6) includes an outer peripheral iron core (20), at least three iron cores (41 to 44) placed on the inner surface of the outer peripheral iron core, and coils ...
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JP7433412B2 |
This reactor (101) comprises a case (10), a plurality of core pieces (21), and a coil (30). The case (10) is made of an insulating material and has a shape as a part of a closed loop. The plurality of core pieces (21) are arranged in the...
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JP7431406B2 |
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JP2024017092A |
The present invention provides a reactor that allows lead wires of external equipment to be easily fixed without increasing the number of parts. [Solution] In a reactor, a reactor body 1 includes a core 4, a coil 2 attached to the core 4...
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JP2024017396A |
[Problem] To effectively and safely reduce noise caused by common mode current flowing out from a motor and housing, suppress winding variations between multiple windings, and ensure sufficient insulation between windings. To provide a c...
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JP2024018381A |
An object of the present invention is to provide a coil component with excellent adhesion between a glass layer and a ferrite layer. [Solution] A coil component 1A includes an element body 10A having a first glass layer 15a, a first ferr...
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