H01F27/266

Inductive Fast Charger

A power electronic converter includes a plurality of converter cells, each comprising an inductive power transfer stage having a coupled inductor coupling first and second sides of the converter cell, wherein the inductor comprises a first winding around a first magnetic core and a second winding around a second magnetic core; wherein the first winding and the first magnetic core are separated from the second winding and the second magnetic core by a flat electric insulation layer that provides electric insulation between the first and second sides of the converter cell; wherein at least two of the coupled inductors are arranged so that their insulation layers form a single contiguous insulation layer.

Magnetic part and electronic apparatus
11581122 · 2023-02-14 · ·

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 core; and a fixing member that fixes the core to the support member. The core includes a column portion that is vertically provided with respect to a surface where the core is in contact with the support member. The fixing member presses the column portion of the core against the support member. The support member has a recess in a portion of a facing surface that faces the core, where the portion of a facing surface does not face the column portion.

Coil component and electronic device

A coil component includes: a core part including: a winding shaft; and a planar flange part provided at an axial-direction end of the winding shaft, and having a groove part provided on an exterior face thereof where a lead part led out from a conductor wound around the winding shaft into the groove part, wherein the flange part has a first recessed part provided on a first side face intersecting with the long axis of the groove part and communicated with the groove part, wherein the area of a cross section, taken in a direction parallel with the first side face, of the first recessed part, is greater than the area of a cross section, taken in a direction parallel with the first side face.

Thermal management of inductor on a cold plate

A cold plate and a method of manufacturing a cold plate involve a first side with a first surface, and a second side, opposite the first side, with a second surface opposite the first surface. The cold plate includes a flow channel formed between the first side and the second side, and a cavity integrally machined into the first surface of the first side. The cavity seats an inductor and is defined by an outer wall and a base with thicker sections and thinner sections such that even the thicker sections of the base are thinner than a thickness of the first surface.

ELECTROTECHNICAL DEVICE FOR AN AIRCRAFT, COMPRISING LOW-FREQUENCY COIL COMPONENTS
20230008213 · 2023-01-12 ·

The invention relates to an electromechanical device (10) for an aircraft, comprising: —a housing (12) having a radially internal surface (S12), —a magnetic circuit formed by a stack of laminated sheets and composed of an annular yoke (16), said yoke being arranged on the radially internal surface of said housing, said yoke having a radially internal surface (S16), —at least one low-frequency coil component (18), said coil component being integrated over at least part of the radially internal surface of said yoke.

Reactor

A reactor that includes a coil having a wound portion; a magnetic core; a holding member provided at both ends of the wound portion; a mold resin by which the coil and the holding member are integrated into one piece; a casing that houses an assembly that includes the coil, the magnetic core, and the holding member; and a potting resin that fills up the casing to seal at least a part of the assembly.

ELECTROMAGNETIC INDUCTION DEVICE CONFIGURED AS A MULTIPLE MAGNETIC CIRCUIT
20180012694 · 2018-01-11 ·

An electromagnetic induction device comprises a closed magnetic circuit, without air gap, of which at least one first part is substantially rectilinear and surrounded by a sleeve, the sleeve being surrounded by an electrical conductor which comprises at least one metal sheet electrically insulated on at least one of its faces, wherein at least the first part of the magnetic circuit has a section of circular form.

Charger with nanocrystalline ferrite choke

A battery pack charging system includes a battery pack interface configured to receive a battery pack, a charging circuit coupled to the battery pack interface to provide charging current to the battery pack interface, and a controller coupled to the charging circuit and configured to control supply of charge current to the battery interface. The battery pack charging system further includes a power supply circuit coupled to the charging circuit, a filter circuit coupled to the power supply circuit and including a nanocrystalline ferrite common mode choke, and an alternating current plug configured to connect the filter circuit to an alternating current power source.

MAGNETIC CORE HOUSING AND NOISE REDUCTION DEVICE
20230027914 · 2023-01-26 ·

A magnetic core housing capable of applying a sufficient force to a magnetic core is provided. A magnetic core housing according to an aspect of the disclosure includes first and second housings each capable of housing a core, a hinge configured to connect the first and second housings with each other so that they can be opened and closed with respect to each other, and a metal spring disposed in the first housing. The metal spring includes a planar part and a pair of spring parts, and also includes reinforcing means for preventing the planar part from being bent due to a force transmitted from the pair of spring parts when the core is housed in the first housing.

ELECTRICAL APPLIANCE WITH MECHANICAL DECOUPLING BETWEEN THE ACTIVE PART AND BOILER
20230230759 · 2023-07-20 ·

An electrical appliance for connecting to a high voltage includes an active part, which is provided with a magnetizable core and at least one winding assembly, surrounding a respective core section of the core and having windings that are inductively coupled to one another. A tank, which can be filled with an insulating fluid, encases the active part. The tank has two end casings and a central part arranged between the end casings. The electrical appliance is compact and has a low tare weight. The active part is mechanically connected to the boiler only at the end casings and the end casings are supported on fasteners. The central part is produced from a light material.