Abstract: A mechanical flight control actuator, intended to provide assistance for piloting an aircraft, includes a first electric motor, a second electric motor and a backup assist shaft. The backup assist shaft is adapted to be set into rotation by the second electric motor. The backup assist shaft includes a backup assist clutch device, the backup assist clutch device being capable of assuming an active position, wherein the backup assist shaft drives the output shaft, and an inactive position, and the backup assist clutch device is in its active position when the input clutch device is in its inactive position and the backup assist clutch device is in its inactive position when the input clutch device is in its active position.

Abstract: The invention relates to a power module (10), preferably for a vehicle, in particular an electric vehicle, characterized in that said module includes two vertically adjacent semiconducting chips (12, 14), each chip having a first surface (20, 22) to be connected to a heat sink substrate (24, 26), and a second surface (28, 30) separate from the first and on which at least one electronic component (38a-44b) is arranged, the module being arranged such that the second surfaces of the chips are arranged opposite one another.

Abstract: Said electronic power module (10) includes: a stack (14) comprising a metal layer forming an electric circuit (26) and intended for supporting an electronic power component (18) such as a semiconductor; a metal body forming a heat drain (20); and a dielectric material layer (22) forming an electric insulator and inserted between the electric circuit (26) and the heat drain (20). The stack (14) includes a composite material body (24) having a carbon-charged metal matrix. The carbon charge is between 20 and 60 volume percent. Said composite body (24) is inserted between an area of the electric circuit (26) and the electric insulator (22), said area being intended for supporting the electronic power component (18).

Abstract: The invention relates to a power module (10), preferably for a vehicle, in particular an electric vehicle, characterised in that said module includes two vertically adjacent semiconducting chips (12, 14), each chip having a first surface (20, 22) to be connected to a heat sink substrate (24, 26), and a second surface (28, 30) separate from the first and on which at least one electronic component (38a-44b) is arranged, the module being arranged such that the second surfaces of the chips are arranged opposite one another.

Abstract: A liquid tightly sealed housing has an electrical or electronic device arranged in an internal volume of the housing, a channel with a globally vertical main axis, passing through an upper wall of the housing to connect the internal volume of the housing to outside, and closure apparatuses for making the channel liquid-tight and gas-permeable. The closure apparatuses are arranged at least partly on the upper wall of the housing and at an upper end of the channel so as to prevent any liquid accumulation in the channel.