Patent classifications
H01F27/266
Bonding structure of a sheet core and a pair of flange parts of a coil component
A bonding structure of a sheet core and a pair of flange parts wherein the pair of flange parts is formed on both ends of a shaft part to constitute a drum core together with the shaft part; the sheet core is bonded, in a manner connecting the pair of flange parts across the shaft part, to the top faces of the flange parts facing away from the bottom faces of the flange parts to be mounted on a circuit board; and a coil-shaped conductor is constituted by sheathed conductive wires wound around the shaft part; wherein the bonding surfaces of each of the flange parts and the sheet core have multiple contact areas where the flange part makes direct contact with the sheet core, as well as adhesive areas between the contact areas where an adhesive is disposed.
Power module structure
The present disclosure is related to a power module power structure and an assembling method thereof. The power module structure includes a first printed-circuit-board (PCB) assembly, a second PCB assembly, and a conductive connection component. The first PCB assembly includes a first circuit board, a power switch and a magnetic component. The first circuit board includes a first side, a second side and a through hole. The power switch is disposed on the first circuit board. The magnetic component includes a first magnetic core and a second magnetic core fastened on the first circuit board through the through hole. The second PCB assembly includes a second circuit board having a third side, a fourth side and at least one opening. The second magnetic core is exposed through the opening. The conductive connection component is disposed and electrically connected between the first PCB assembly and the second PCB assembly.
TRANSFORMER AND MANUFACTURING METHOD
A transformer comprises a tank having tank walls. The tank walls comprise composite panels having a core. The tank has a fluid-tight insert.
COIL DEVICE
A coil device includes a core member, a bobbin, a coil portion, an outer case, and a potting resin. The core member extends in a longitudinal direction. The bobbin is provided with a longitudinal concave portion communicating with a side surface opening portion open to outside and housing the core member. The coil portion is provided with a wire wound around the bobbin. The outer case is provided with a housing concave portion configured to house the bobbin housing the core member and have the coil portion. The potting resin is filled in the housing concave portion and surrounds the bobbin with the coil portion. An opening port of the housing concave portion and the side surface opening portion are open in the same direction.
Inductor device, method of manufacturing same and antenna
The present invention relates to an inductor device, a method of manufacturing same and antenna. The proposed inductor device comprising a magnetic core (1), an electrically insulating support (10) with a cavity (11) arranged around said magnetic core (1), and three windings (DX, DY, DZ) of conductive wire arranged orthogonal to one another, wherein said electrically insulating support (10) is made of a single part and completely houses the magnetic core (1) which is accessible through an opening, the three windings (DX, DY, DZ) being supported on winding supporting faces (12X, 12Y and 12Z) of the electrically insulating support, confined between winding limiting edges (22) defined by lower corner protuberances (20) and centered with respect to the three orthogonal axes (X, Y, Z) such that said electrically insulating support (10) assures symmetry and orthogonality of said electromagnetic field vectors generated by the mentioned inductor device.
INDUCTOR WINDINGS FORMING APPARATUS AND METHOD OF MANUFACTURING INDUCTORS
A structure for forming inductor windings includes a first portion and a second portion of a clamshell casing. The first portion includes a first set of electrically conductive segments, a first inner carrier, and a first outer carrier. The second portion includes a second set of electrically conductive segments, a second inner carrier, and a second outer carrier. An inductor core is mountable between the first inner carrier and the first outer carrier within the first portion. A control assembly aligns and joins the first portion to the second portion of the clamshell casing such that the first set of electrically conductive segments arranged in the first pattern that correspond to first half-turns of the inductor windings, are attached to the second set of electrically conductive segments arranged in the second pattern that correspond to second half-turns of the inductor windings, to form continuous turns around the inductor core.
Electrical current transducer
Electrical current transducer including a magnetic core comprising a magnetic circuit gap, a magnetic field detector comprising a sensing portion positioned in the magnetic circuit gap, an insulating support body comprising a coil support portion and a coil terminal connection portion, and a secondary coil formed from a wire wound around the coil support portion. The coil support portion has a generally U-shaped cross-sectional profile comprising a base wall, a radially inner wall extending from the base wall and a radially outer wall extending from the base wall, the radially inner and outer walls having a height configured such that open end edges thereof extend slightly beyond an axial thickness of the magnetic core including any manufacturing tolerances such that the open end edges are folded inwards around corners of the magnetic core by the coil wound around the magnetic core housing.
Bobbin and E-core assembly configuration and method for E-cores and EI-cores
A magnetic assembly includes a bobbin and first and second cores. Each core has a main body. At least one of the cores has first and second outer legs and a center leg extending from the main body. The bobbin includes a first channel on a first end flange and a second channel on a second end flange. Each channel includes a plurality of crushable ribs that extend into the channel. The first and second cores are inserted into the respective first and second channels to engage and crush the crushable ribs. The crushed ribs frictionally engage the main bodies of the two cores to retain the two cores in a fixed relationship with the bobbin without requiring tape or glue. In one embodiment, both cores are E-cores. In another embodiment, one core is an extended E-core and the other core is an I-core.
CORE COMPONENT, METHOD FOR MANUFACTURING CORE COMPONENT, AND REACTOR
Provided is a core component having a powder compact and a resin-molded portion joined to each other. In a core component including a powder compact obtained by compression molding a raw material powder containing a soft magnetic powder and a resin-molded portion formed on the surface of the powder compact, and constituting a part of a magnetic core disposed inside and outside a coil included in a reactor, an intermediate layer formed of a silane coupling agent is provided between the powder compact and the resin-molded portion. The powder compact and the resin-molded portion can be bound to each other via the intermediate layer formed of the silane coupling agent. The silane coupling agent not only binds chemically to the surface of the powder compact but also binds chemically to the resin-molded portion, and therefore, the joining the powder compact and the resin-molded portion via the intermediate layer.
FERRITE CORE, INDUCTIVE COMPONENT AND METHOD OF PRODUCING AN INDUCTIVE COMPONENT
A ferrite core comprising a yoke body having a length dimension, a width dimension and a height dimension, which are oriented perpendicular to one another, the length dimension being larger than the height dimension and/or the width dimension. A lateral surface of the yoke body has provided therein a positioning structure and an alignment structure, which differs from the positioning structure, the positioning and alignment structures being spaced apart along the length dimension by 5% to 75% of the length dimension.