Abstract: The present invention relates to a compression device (1) driven by an electric machine, for which a rotor (4) comprises a cylindrical magnet (5) and a binding ring (6). According to the invention, rotor (4) is mounted on compression shaft (3), and a nut (8) is provided to axially secure rotor (4) and compressor wheel (2) of compressor (1).

Abstract: The present invention relates to a compression device driven by an electric machine, for which a rotor (4) comprises a cylindrical magnet (5) and a binding ring (6), preferably non-magnetic. According to the invention, cylindrical magnet (5) is solid and cylindrical magnet (5) is fastened to a support piece (7) by means of binding ring (6), support piece (7) being fastened to one end of compression shaft (3).

Abstract: The present invention is an electrical machine stator comprising a crown (12) and a cylindrical support (7). Crown (12) is an assembly of stator segments (1) having the shape of a T, having a vertical leg (2) forming a stator tooth. Cylindrical support (7) comprises radial orifices (14) for passage of the vertical leg of the T of the stator segments.

Abstract: The present invention relates to a compression device driven by an electric machine, for which the rotor (1) comprises a rotor shaft (31), a cylindrical magnet (34), and a non-magnetic shrink ring (33). According to the invention, the rotor shaft (31) includes a bore (36) for inserting one end of the compressor shaft (3) to unitize the two shafts.

Abstract: The invention is an electric machine comprising a rotor (3), a stator, an outer casing (6) and stator cooling. Rotor (3) and the stator are coaxial along a longitudinal axis (xx), and the stator comprises magnetic flux generators (5). The stator cooling comprises at least two fluid circulations. At least a first circulation extends longitudinally within the stator and forms a first flow made up of flows F1A and F1B, and at least a second circulation is positioned around the periphery of the stator and forms a second flow F2. The invention also is a compressor and a turbocharger electrified with such an electric machine.

Abstract: The invention is an electrical machine, comprising a stator being radial passages (102) circumferentially arranged along the stator. These radial passages (102) are delimited by radial teeth (101) and magnetic flux generators are housed in these radial passages (102). Furthermore, radial passages (102) comprise fluid circulation galleries facing the magnetic flux generators. The electrical machine comprises at least one aerodynamic appendages (85, 90), coaxial with the electrical machine, and arranged at a longitudinal end of the electrical machine. Aerodynamic appendages (85, 90) comprise a first part for guiding the fluid passing through the circulation galleries, and a second part extending radially along at least one of radial teeth (101) and having an aerodynamic profile for guiding the fluid.

Abstract: The present invention is an electric machine comprising a rotor and a stator. The stator comprises radial passages, magnetic flux generators and a tubular sleeve. According to the invention, the inner surface of tubular sleeve is smooth.

Abstract: The present invention relates to a powertrain for a motor vehicle comprising a thermal engine (10), a variable-speed transmission device (14) including an engine epicyclic gear train (26) with a sun gear (36) carried by a hollow shaft (42) and a crown gear (56) carried by a hollow shaft (62) surrounding hollow shaft (42) of the sun gear, the sun gear and the crown gear are each connected to shaft (12) of thermal engine (10) respectively by a controlled clutch (28 and a second controlled clutch 30) and to a fixed part (48) of the vehicle by a one-way clutch (32 and 34), and a track (126 and 128) for motion transmission to a drive axle (16). According to the invention, the powertrain comprises in addition to the first and second controlled clutches a controlled connection (132) between the two hollow shafts (42 and 62).

Abstract: The present invention relates to a compression device driven by an electric machine, for which the rotor (1) comprises a rotor shaft (31), a cylindrical magnet (34), and a non-magnetic shrink ring (33). According to the invention, the rotor shaft (31) includes a bore (36) for inserting one end of the compressor shaft (3).

Abstract: The present invention relates to an electric machine comprising a rotor and a stator. Stator comprises several radial passages, several magnetic flux generators and a tubular sleeve. According to the invention, the inner surface of tubular sleeve is smooth.

Abstract: The present invention relates to a powertrain for a motor vehicle comprising a thermal engine (10), a variable-speed transmission device (14) including an engine epicyclic gear train (26) with a sun gear (36) carried by a hollow shaft (42) and a crown gear (56) carried by a hollow shaft (62) surrounding hollow shaft (42) of the sun gear, the sun gear and the crown gear are each connected to shaft (12) of thermal engine (10) by a controlled clutch (28 and 30) and to a fixed part (48) of the vehicle by a one-way clutch (32 and 34), and a track (126 and 128) for motion transmission to a drive axle (16). According to the invention, the powertrain comprises a controlled connection (132) between the two hollow shafts (42 and 62).