A power conversion device includes a cooler, a terminal block and a case. The cooler defines an internal space through which a refrigerant flows. The terminal block covers a conducive part. The case accommodates the cooler and the terminal block therein. The case has an opening on its lateral wall portion for allowing connection between the conductive part of the terminal block inside the case and an external load disposed outside the case. At least a part of the terminal block is located closer to the opening than the cooler in a first direction to which an inner surface and an outer surface of the lateral wall portion of the case defining the opening are opposed, and is located between the cooler and an upper end of the opening in a second direction orthogonal to the first direction.

A controller for an e-machine of a turbomachine including a support structure, a printed circuit board, and a fastener arrangement that retains the printed circuit board on the support structure, the fastener arrangement including a resilient member that resiliently biases the printed circuit board towards the support structure.

Provided in this disclosure is a reversible power supply enclosure. A base component defines a body of the power supply enclosure. The base component includes a base surface and side surfaces formed along opposing edges of the base surface. An offset flange is formed along the base surface. A closed end component is connected to the base component and includes a second offset flange. The offset flanges displace the base component the predetermined distance from the mounting surface. A cover component includes a primary surface and a perpendicular secondary surface for enclosing the base component. A lip portion substantially surrounds the peripheries of the primary and secondary surfaces, thereby enabling the power supply enclosure to be reversibly mounted in either a vertical orientation or a horizontal orientation such that both orientations provide a moisture-resistant power supply enclosure.

The power conversion apparatus includes a housing attached to a roof of a vehicle, a heat-receiving block, and one or more heat pipes. The housing has an opening on the top in the vertical direction, and accommodates electronic components. The electronic components are attached to a first main surface, which is one of the main surfaces of the heat-receiving block. The heat-receiving block is attached to the housing and closes the opening. The one or more heat pipes are attached to a second main surface, which is the other of the main surfaces of the heat-receiving block, extend in a direction away from the heat-receiving block, and accommodate refrigerant therein.

A power conversion system includes a housing (outer housing) and a power converter. The power converter is arranged in an internal space of the housing. An outer peripheral surface of the housing is provided with an air inlet and an air outlet. The air outlet communicates with the air inlet via the internal space of the housing and is located below the air inlet.

A field of enclosures for electronics and electrical components within electric devices, such as electric drive devices for industrial applications, e.g. for working machine and marine applications, and more particularly to an electronics enclosure arrangement for an electric device, and to an electric device. The electronics enclosure arrangement according to the present invention is arranged for an electric device, the electric device including one or more circuit boards and electronics components assembled on the one or more circuit boards, wherein the electronics enclosure arrangement includes an electronics enclosure cover; and an at least one volume element part, arranged in the space between the electronics enclosure cover and the one or more circuit boards with the electronics components.

A power converter, includes a housing and a busbar arrangement, which is arranged inside the housing, wherein the power converter is designed to guide an alternating current along the busbar arrangement, the power converter also includes at least one planar flux-conducting element made of a magnetically highly permeable material, which is arranged between a wall of the housing and the busbar arrangement.

An electric driving device and an electric power steering device. An electric driving device includes a motor and an electronic control unit that controls rotation of the motor. The electronic control unit includes a first circuit board, a second circuit board, a second housing, a lid, and an inter-board connector. The second circuit board includes a control circuit that controls an electric current supplied to a transistor of the first circuit board. The second housing accommodates the second circuit board and has a first through hole passing therethrough in the axial direction. The lid covers the second housing. The inter-board connector connects the second circuit board disposed on the anti-load side of the second housing to the first circuit board disposed on the load side of the second housing. The inter-board connector is disposed in the first through hole.

Provided is a power conversion device, including: a casing that has a front surface with an opening; an insertion component including an insertion portion; and a gasket. The casing has an inner wall surface being in contact with the gasket and a casing-side guide surface. The insertion portion has an outer peripheral surface being in contact with the gasket and an insertion component-side guide surface. When a distance in the insertion direction between the front surface and an end of the casing-side guide surface, which is closer to the front surface in the insertion direction, is represented by L1 and a distance between an inner surface of the gasket in the insertion direction and a distal end of the insertion component-side guide surface in the insertion direction is represented by L2, the distance L2 is set larger than the distance L1.

A power supply device includes at least one magnetic member, a first circuit board and a second circuit board. The first circuit board is disposed over the magnetic member and is electrically connected to the magnetic member. The first circuit board has an opening. The second circuit board is electrically connected to the first circuit board. The second circuit board is disposed over the first circuit board and faces the opening of the first circuit board.