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JP2022153084A |
To provide a core piece with few voids.A core piece composed of a molded composite material in which soft magnetic powder is dispersed in a resin includes a middle core portion arranged inside the coil, and an end core portion facing the...
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JP2022152325A |
To provide a core piece that can easily suppress damage to an insulating coating of a coil provided in a reactor having a molded resin portion when a reactor is constructed.A core piece composed of a molded composite material in which so...
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JP7151852B1 |
Kind Code: A1 A power conversion device, a magnetic component, and a magnetic component capable of suppressing variations in cooling performance of winding members while suppressing complication of the device configuration and manufactur...
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JP2022149630A |
To provide a laminated coil component that suppresses the generation of stray capacitance and improves characteristics.A laminated coil component 1 includes a base body 2, a coil 5, a first terminal electrode 3, a second terminal electro...
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JP2022149795A |
To provide a coil component that suppresses a decrease in self-resonant frequency.A coil component 1 includes an exterior body 10, a spiral coil 60, and terminal electrodes 40 and 50. The coil 60 is arranged inside an outer package 10 an...
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JP2022149637A |
To provide a coil component of which the characteristics are unlikely to deteriorate and which improves a connection strength between a wire and a terminal electrode.A coil component C1 comprises an exterior body 2, a terminal electrode ...
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JP2022149818A |
To provide a reactor which generates reduced housing vibration or less noise when in operation.A reactor (1) comprises: a leg core (10); a winding (30) which is wound around the leg core; a first yoke core (21) and a second yoke core (22...
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JP7147266B2 |
A magnetic part including: a coil that generates a magnetic flux when a current flows through the coil; a core that is formed of a magnetic substance that forms a magnetic path of the magnetic flux; a support member that supports the cor...
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JP7148376B2 |
To provide a small-sized reactor effectively utilizing a space.A reactor body 1 includes a core and multiple coils 20 which are wound around the core, and the multiple coils are provided in parallel in a direction across a winding axis d...
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JP2022146761A |
To easily make heat of a coil conductive to a housing.An electronic component unit 30 includes a substrate 31, a common mode choke coil 41, and a resin holder 61. The common mode choke coil 41 includes a core 42, and two coils 51 and 52....
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JP7148313B2 |
A reactor includes: a reactor main body including a core formed of a powder magnetic core, a resin member covering the circumference of the core, and a coil wound around the outer circumference of the resin member; a casing which include...
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JP7146179B2 |
A reactor is provided with a coil including a pair of winding portions arranged in parallel, a magnetic core to be arranged inside and outside the winding portions, a holding member for specifying mutual positions of the coil and the mag...
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JP2022145639A |
To provide a magnetic component which is manufactured by using injection molding, which can enhance assembly accuracy.A magnetic component includes a first core component 10, a second core component 12, and at least one coil. The first c...
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JP7146178B2 |
A reactor is provided with a coil including a pair of winding portions arranged in parallel, a magnetic core to be arranged inside and outside the winding portions, a holding member for specifying mutual positions of the coil and the mag...
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JP2022144625A |
To provide a reactor which is excellent in heat dissipation property with a simple configuration, and a power conversion device.A reactor 1 includes a coil 2 having a first winding part 21, and a magnetic core 3. The magnetic core 3 incl...
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JP2022143906A |
To provide a reactor which reduces the number of components and reduces a step of joining a spacer with an adhesive.A reactor includes a core formed of a plurality of U-shaped core members, a core mold resin 2 covering the core, a coil m...
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JP2022143562A |
To provide a reactor structure, a converter, and an electric conversion device, with high productivity.A reactor structure α comprises: a reactor 1; and a bus bar 4. The bus bar 4 comprises: a first piece 41 connected to a winding end p...
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JP2022143561A |
To provide a reactor structure, a converter, and an electric conversion device, with high productivity.A reactor structure α comprises: a reactor 1 having a coil and a core; and a bus bar 4 electrically connecting the coil with external...
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JP7145228B2 |
A reactor includes a first core, a first coil and a second coil. The first and second coils each have terminals a and c, and terminals b and d, and are further wound such that a direction of a magnetic flux generated in the first core wh...
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JP7144835B2 |
To provide a high-performance inductor having a Q value with low resistance by enabling a power supply component such as a high-frequency DC/DC converter to reduce the size and thickness of the inductor and reducing high-frequency loss d...
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JP2022139793A |
To provide a reactor capable of reducing eddy current loss and heat generation by suppressing magnetic flux from hitting the end face of a magnetic sensor.A reactor 10 includes: air-core coils 1 each formed of a wound conductive member; ...
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JP2022139277A |
To provide an electromagnetic actuator applied with common-mode noise countermeasures by a shield coil, while saving a space.An electromagnetic actuator comprises a solenoid coil, a shield coil 15, a first lead wire 34 and a second lead ...
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JP7138842B2 |
A coil component 100 includes a first coil element 111 and a second coil element 112 each formed in an angular-tubular shape and disposed in parallel by winding and laminating a single flat wire 101 in one direction with edgewise-winding...
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JP7138736B2 |
To provide a core capable of being easily molded and obtaining an excellent magnetic characteristic, a reactor, a manufacturing method of the core, and a manufacturing method of the reactor.A core formed by a magnetic powder and a resin,...
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JP7138752B2 |
The present invention has an object of providing a reactor including cores with higher heat dissipation and a coil with less eddy-current loss. A reactor according to the present invention includes: a plurality of divided cores having a ...
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JP2022134263A |
To provide a molded coil and a reactor in which resin is formed on the coil with high precision while preventing the positional displacement of the coil in the mold even when the mold is not strongly pressed against the surface of the co...
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JP2022134493A |
To provide a reactor that does not require a slide mold that can be moved away from the end face of a core block.A core 1 of a reactor 10 is formed by arranging the end faces of a core block 3 coated with a core covering resin 4 such tha...
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JP2022134783A |
To provide a reactor with reduced vibration by suppressing core vibration and the propagation of coil vibration.A reactor includes a cylindrical coil 3 and a core 1 having a leg 12 around which the coil 3 is wound, and the core 1 include...
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JP2022134273A |
To provide a choke coil device comprising a protection element that is hardly influenced by contamination and deterioration and is capable of easily optimized for discharging.A choke coil 10 is fixed to a first surface of a dielectric su...
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JP7135879B2 |
A power conversion device is configured to reduce the number of temperature sensors that are to be mounted to the power conversion device. The power conversion device has a plurality of reactors and a cooling flow path in which the plura...
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JP7133295B2 |
To provide a reactor which has less possibility of the generation of a noise, even when a core is vertically arranged to a case.A reactor comprises: a core; a coil mounted to a leg part of the core; a reactor main body that includes a re...
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JP7133685B2 |
To provide a reactor capable of suppressing a leakage flux from a joint between a leg and a yoke in a core.A reactor 1 includes a core 2 having a plurality of legs 21 and a pair of yokes 22 arranged at both ends of the plurality of legs ...
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JP7133569B2 |
A reactor capable of suppressing a deformation of a resin material in a gap between partial cores is provided. This reactor includes: a core that includes T-shaped cores which are at least a pair of partial cores disposed via the gap the...
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JP7133311B2 |
A small size reactor that effectively utilizes a space is provided. This reactor includes: a reactor body which includes a core and a coil attached to the core, a casing which houses therein the reactor body and which has an opening wher...
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JP7130188B2 |
A reactor includes an assembly of a coil and a magnetic core; a case that houses the assembly; and a sealing resin portion that seals a portion of the assembly. The reactor further includes a heat dissipation member interposed between th...
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JP7129658B2 |
To provide a power conversion apparatus with a small area occupied by a reactor, reactor device and heat dissipation structure.A power conversion section 2 is provided with a reactor 4. The reactor 4 includes an annular core 41. The powe...
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JP7127317B2 |
To provide a common mode choke that facilitates penetration of a bus bar into a magnetic core and positioning of a bus bar end to the magnetic core.A common mode choke includes an annular magnetic core, a case, and two bus bars. The bus ...
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JP7127545B2 |
[Problem] To provide a core that can be widely applied, e.g., in a reactor, current limiter, electromagnetic actuator, motor, etc. [Solution] The magnetic characteristics of this core 11 are such that, in a first quadrant of a graph with...
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JP7126567B2 |
The purpose of the present invention is to provide a choke coil that prevents magnetic saturation of a magnetic core even when a large three-phase power supply current flows therethrough and that has a high noise reduction effect on norm...
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JP7126210B2 |
A reactor includes a plurality of windings, a coupling core, and an inductor core. A coupling core configured to form a coupling closed magnetic circuit that magnetically couples the plurality of windings, the plurality of windings being...
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JP7124635B2 |
A reactor including a coil including a first winding portion and a second winding portion arranged parallel to each other, and a magnetic core that forms a ring-shaped closed magnetic circuit, the magnetic core including an inner core po...
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JP2022122176A |
To suppress the occurrence of mold resin burrs on a coil that partially exposes the surface of a coil.A frame body 58a is arranged on the surface of a coil 5, and the coil 5 is covered with a mold resin 8 except for the inside of the fra...
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JP2022122183A |
To provide a molded coil and a reactor capable of suppressing the generation of burrs even when an upper cover abutting on a lower mold is provided.A molded coil formed by molding a coil with a molding resin includes an upper cover 31 pr...
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JP2022122187A |
To provide a molded coil in which an exposed range of a coil is widened while suppressing the generation of burrs of a molded resin, and a reactor equipped with the molded coil.A frame body 58a arranged in a coil 5 is defined by combinin...
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JP2022121282A |
To reduce a leakage flux of a binding reactor.A binding reactor device (101) comprises: a first binding reactor (L11); and a second binding reactor (L12). The first binding reactor (L11) includes: a first reactor (L1) and a second reacto...
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JP7117516B2 |
A reactor device includes a coil, a magnetic core having the coil thereon, a case accommodating the coil and the magnetic core, a cooling plate fixed to the case, an insulating sheet disposed between the coil and the cooling plate, a com...
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JP7117905B2 |
To provide a reactor capable of achieving the miniaturization.A reactor comprises: cylinder parts 43A and 43B to which a core 3 and a conductive member are wound; and at least two coils 4A and 4B having leading wires 41A, 42A, 41B, and 4...
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JP7118285B2 |
A laminated coil includes planar coils and a first insulating member. The planar coils are arranged in a first direction intersecting a first surface. The first insulating member is in a film form and arranged between a pair of planar co...
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JP7117925B2 |
To provide a reactor restraining destruction of a terminal block, even if the fastening part of a terminal is located on the outside of the terminal.A reactor 100 includes an annular core, a resin member 2 coating at least a part of the ...
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JP7117926B2 |
To provide a reactor which can be made compact, without providing a fixing structure of a terminal board by screw fastening.A terminal 6 is the other end placed on the outside of a case 4, and has a fastening part 60 electrically connect...
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