An inductor for a boost converter in a hybrid vehicle includes a core, a coil winding, and an end cap. The coil winding is disposed about the core. The end cap is disposed over a first end of the inductor, overhangs the coil winding, defines a channel that is configured to receive fluid from a pump, defines at least one nozzle that is configured to direct fluid from an overhanging portion of the end cap and onto the coil, and defines a fluid reservoir that is in fluid communication with the channel and the at least one nozzle.

A circuit structure includes a circuit board mounted with electronic components, a heat release member overlaid by the circuit board and releasing heat of the circuit board, a screw screwing the circuit board to the heat release member, and a spacer on which an insertion hole is formed to insert a shaft portion of the screw and the spacer is arranged between the circuit board and the screw to receive the screw. The spacer includes a board presser pressing the circuit board and a heat release member presser pressing the heat release member when the circuit board is screwed to the heat release member.

A reactor unit includes reactors; and a cooler. The reactors are disposed in at least one line on a reactor cooling surface that is one of outer surfaces of the cooler. The cooler has a cooling medium flow passage that is in contact with an inner surface on a reverse side of the reactor cooling surface. The cooling medium flows linearly from an inlet portion to an outlet portion of the cooling medium flow passage. A direction in which the cooling medium flows inside the cooling medium flow passage is same as a direction in which the reactors are disposed in the at least one line. Cooling fins are provided on the inner surface on the reverse side of the reactor cooling surface. A longitudinal direction of each cooling fin is same as the direction in which the cooling medium flows inside the cooling medium flow passage.

A semiconductor module includes a first power semiconductor element having a first surface and a second surface. The semiconductor module also includes a second power semiconductor element having a first surface and a second surface. The semiconductor module also includes first, second, third, and fourth conductor plates, and a connecting part. The connecting part is integrally formed with the second conductor plate, extends toward the third conductor plate, and is connected to the third conductor plate.

A coolant discharger for a coolant-carrying pipeline network of an electrical energy storage device has at least one drainage ramp configured to be arranged on a pipeline portion of the pipeline network that is susceptible to a coolant leakage, the drainage ramp is configured to discharge a coolant leaking out from the pipeline portion in the event of a coolant leakage and to divert it away from voltage-carrying components of the electrical energy storage device.

A circuit board of an electronic control device has a surface to which a connector is attached and on which a heat generating component is mounted. A metal casing that stores therein the circuit board has an opposing surface that faces the surface of the circuit board on which the heat generating component is mounted. A first fin that protrudes toward the surface on which the heat generating component is mounted is provided on the opposing surface of the casing. The first fin overlaps the heat generating component in the thickness direction of the circuit board.

A wireless device charger configured to produce an alternating magnetic field, thereby inducing an alternating electrical current within a capture coil of a personal electronic device proximate to the wireless device charger, said wireless device charger includes a source coil having a ferrite element configured to generate the alternating magnetic field, a housing formed of a thermally conductive material in thermal communication with the ferrite element, and an air movement device configured to produce an air flow across a surface of the housing flowing from an air inlet to an air outlet, thereby reducing a housing temperature. The surface of the housing defines a plurality of fins extending along the housing in a direction of the air flow. At least one fin in the plurality of fins has a non-symmetric surface, thereby creating turbulence in the air flow.

A power Converter having power semiconductor components is disclosed herein, wherein a DC-link capacitor has a capacitance of less than 3 μF and is not designed as a separate electrical device of the power converter, and wherein the clock frequency is greater than 1 MHz. A vehicle, (e.g., an aircraft), including a power Converter of this kind is also described.

A method is provided for controlling a charging device (1) for charging energy stores (2). A charging electronics system (6) has a power electronics system (7). A cooling device (9) has at least one first temperature sensor (12) for ascertaining the temperature of a barrier layer of a power semiconductor in the power electronics system (7), at least one second temperature sensor (13, 14) for ascertaining the temperature of the coolant, means for determining input power and output power of the charging electronics system (6). At least the first temperature sensor (12) is monitored to ascertain a rate of change of the temperature of the barrier layer of the power semiconductors. The power loss of the charging electronics system (6) is controlled to limit the rate of change of the temperature of the barrier layer to ensure that a maximum temperature of the barrier layer is not exceeded.

Disclosed are an electrical apparatus, a method for manufacturing an electrical apparatus, and a motor vehicle, and the electrical apparatus. In the apparatus, a chamber includes a first electrical element located at a first position and a second electrical element located at a second position, the first electrical element and the second electrical element having different heat dissipation characteristics. The electrical apparatus further includes a potting spacer, the potting spacer separating the chamber into two sub-chambers: a first sub-chamber and a second sub-chamber. The first electrical element is located in the first sub-chamber, and the second electrical element is located in the second sub-chamber.