Abstract: Disclosed is a double-casing frame of an electric machine that is cooled by a fluid circulating in the fluid circulation space (26) inside the double casing, said double-casing frame comprising: an inner casing (22) on which an end flange (30) is mounted at the rear of the machine; and an outer casing (24) that fits over the inner casing (22) and can be separated from the inner casing (22) without removing the end flange (30).

Abstract: An assembly, having a generator and electric motors, for a vehicle air-conditioning or cooling system, having: a compressor intended to be driven by a heat engine, a top-up electric motor for driving the compressor when the latter is not or cannot be driven by the heat engine, a generator with permanent magnets having a shaft which can be driven in rotation by the heat engine, the generator and the top-up electric motor being disposed on this shaft, one or more condenser and/or evaporator electric motors of a vehicle air-conditioning or cooling system, said electric motors being configured to be powered by a direct current, the generator powering the electric motor or motors through a converter configured to supply a direct current, notably a low-voltage controller.

Abstract: Device (1) for cooling at least one power electronics circuit (4), including: a liquid-cooled heatsink (2); and an interface plate (3) that is in thermal contact with the heatsink (2) and to which the one or more power electronics circuits (4) are attached, the interface plate (3), including at least one thermosiphon (6), being removably mounted on the heatsink (2) so as to be capable of being separated therefrom with the one or more electronic circuits (4) attached thereto.

Abstract: A method for manufacturing a rotor of a rotary electric machine, including a stack of magnetic laminations defining the slots in which bars made from a first electrically conducting material are received, in which method a second electrically conducting material, different from the first, is injected using an injection machine, from the front of the laminations stack, the bars being held at their rear end against the pressure associated with the injection by a positioning tool that passes through a cavity used for forming a short-circuiting ring at the rear of the laminations stack.

Abstract: A rotary electric machine that includes a rotor and a stator and is cooled by a stream of air generated by at least one fan. The fan is driven by a main shaft of the machine or by its own drive system. The fan includes main blades (33) for generating a stream of cooling air and, upstream of said main blades, tins which at least partially cover coil heads of the stator in the axial direction.

Abstract: A rotary electric machine having a stator, and a rotor having a shaft and permanent magnets on the surface of the shaft, the permanent magnets having a face of concave overall shape directed toward the stator.

Abstract: An assembly comprising: an electronic device (1), in particular a variable speed drive or alternator regulator, comprising a casing, the rear of which is equipped with a heat sink (10), produced from a metal profile section, for cooling at least one power component; a first assembly of elements (20) for attaching the device on a support, each comprising at least one tab to be engaged in the profile section by sliding it therein, and an attachment lug provided with at least one screw through-hole; a second assembly of elements for attaching the device on a support, each comprising at least one tab to be engaged in the profile section by sliding it therein, and an attachment lug provided with at least one screw through-hole, the elements being of different shapes.

Abstract: An electronic device, in particular a variable speed drive or alternator regulator, comprising a heat sink (10) and a power card comprising a printed circuit board, housed in a casing, characterized in that it comprises a part (100) attached, on the one hand, to the heat sink (10) and attached, on the other hand, to the board and coming into contact with at least one conductive track of the power card, so as to provide an electrical contact between the heat sink and said track, said part (100) having a face that is accessible from the outside of the device for attaching a lug connected to a ground and/or an earth cable.

Abstract: An electronic device, in particular an alternator regulator, comprising a power stage to be connected to an inductive load, in particular to an alternator inductor, comprising at least one first pair of power transistors connected to a terminal of a DC bus, and a control circuit for said transistors, the transistors being disposed in parallel between said terminal of the DC bus and a first output to be connected to the load, at least one flyback diode connecting the opposite terminal of the DC bus to the first output, the control circuit being designed to generate a pulsed control signal for regulating the current in the load and for detecting a failure of one of the transistors, the control circuit being designed, during normal operation, to send the control signal to one of the transistors of the first pair, while maintaining the other transistor of said pair in an off-state.

Abstract: A method for producing an electric rotary machine including a rotor magnetic mass formed by a stack of superimposed electrical sheets containing housings, and a plurality of permanent magnets inserted in the housings, the housings being provided with a plurality of lugs for locking the permanent magnets in the housings.

Abstract: The invention relates to a stator for an electric motor, including at least one winding of a wire made of an electrical conductor composed primarily of aluminum covered with a thickness of between 30 and 100 ?m of an insulator including at least one polymer chosen from among the polyaryletherketones (PAEK).

Abstract: An axial flux rotary electric machine including at least one stator and at least one rotor that are arranged along an axis of rotation of the machine, the rotor including a rotor mass and housings created in the rotor mass, the housings defining magnetic poles of the rotor, each of the housings being able to contain or not contain at least one permanent magnet.

Abstract: An electronic device (1), in particular a variable speed drive or alternator regulator, comprising at least one power component mounted on a heat sink (10) and a plurality of capacitors extending through at least one opening of the heat sink, characterized in that it comprises a recess, which accommodates a sheet seal that is applied, on the one hand, on an internal face of the heat sink and, on the other hand, on an internal face facing a casing fitted onto the heat sink, with the internal faces of the heat sink and of the casing coming into contact.

Abstract: The present invention concerns a rotor of a rotating electric machine, comprising a rotor body (2) in which recesses (3) are provided in such a way as to define the poles (4) of the rotor, in particular at least three recesses per pole, each pole having a radial axis of the pole, the recesses (3) having an elongated shape and each comprising two short sides, the recesses being disposed in one or a plurality of rows per pole, one row comprising at least two, or indeed at least three recesses (3) disposed consecutively, the short sides thereof defining, between two consecutive recesses of a given row, a material bridge, said material bridge generally extending along a longitudinal axis (2) of the bridge oriented closer to the radial axis of the corresponding pole of the rotor, the further one is from the rotational axis.

Abstract: An electronic device (1), in particular a variable speed drive or alternator regulator, comprising a casing, the front of which has a housing for accommodating an ancillary module, a hatch (150) for closing said housing, and an electronic circuit comprising an interface card defining a housing for accommodating a memory card, opening into the housing for accommodating the ancillary module

Abstract: Disclosed is a double-casing frame of an electric machine that is cooled by a fluid circulating in the fluid circulation space (26) inside the double casing, said double-casing frame comprising: an inner casing (22) on which an end flange (30) is mounted at the rear of the machine; and an outer casing (24) that fits over the inner casing (22) and can be separated from the inner casing (22) without removing the end flange (30).

Abstract: A rotor for a rotary electric machine includes a magnetic rotor body and at least two permanent magnets defining a pole of the rotor, the two permanent magnets being arranged on either side of a radial axis of the pole in a common recess which is provided in the magnetic rotor body and through which the radial axis of the pole passes.

Abstract: The invention relates to a system for generating electric power, comprising: an alternator (1) for coupling with a drive system (7), supplying an AC voltage to an output bus (10); a reversible AC/DC converter (2) in which the AC bus (6) is connected to the output bus (10) of the alternator (1); an electricity-storage element (3) connected to the DC bus (9) of the converter (2); a controller (4) arranged to react to a transient state of load-shedding or charging impact by controlling the converter (2) so as to collect energy on the output bus (10) of the alternator (2) and to store same in the storage element (3) in the case of load-shedding, and to collect energy in the storage element (3) and to inject same into the output bus (10) in the case of charging impact, the converter (2) being controlled so as to inject currents to compensate for harmonic currents into the AC bus (10) of the alternator (1).

Abstract: Rotor (1) for a rotary electric machine, comprising: a shaft (2); at least one annular shaped magnet (10) engaged on the shaft; at least one elastically deformable component (9) radially interposed between the shaft (2) and the magnet (10).

Abstract: Device (1) for cooling at least one power electronics circuit (4), including: a liquid-cooled heatsink (2); and an interface plate (3) that is in thermal contact with the heatsink (2) and to which the one or more power electronics circuits (4) are attached, the interface plate (3), including at least one thermosiphon (6), being removably mounted on the heatsink (2) so as to be capable of being separated therefrom with the one or more electronic circuits (4) attached thereto.