Abstract: The present invention is a variable air gap in a rotary electric machine, notably a permanent magnet-assisted synchronous reluctance electric machine.

Abstract: The present invention is a rotor (1) for an electrical machine featuring magnetic poles with asymmetric flux barriers (9, 10, 11). Additionally, lateral magnets (20) are provided in at least one flux barrier (9, 10, 11) of each pole.

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 rotor (1) for an electrical machine having N primary magnetic poles (13) and N secondary magnetic poles (14). the poles are flux barriers having opening angles (?1, ?2, ?3) for the poles to be asymmetrical. The invention further relates to an electrical machine comprising such a rotor.

Abstract: The present invention relates to a rotor (1) for an electric machine consisting of N primary magnetic poles (13) and N secondary magnetic poles (14), said poles consisting themselves of flux barriers (9, 10, 11) separated from axial housings (6) by magnetic bridges (19, 20, 21). According to the invention, on either side of axial housings (6), magnetic bridges (19, 20, 21) are aligned in a straight line, forming an angle ?1 for primary magnetic poles (13) and an angle ?2 for secondary magnetic poles (14) with respect to a radial direction, in such a way that ?2=?1+1±0.5. The invention further relates to an electric machine comprising such a rotor.

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 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 is an electronic device (10) comprising a printed circuit board (12) bearing at least one component comprising at least one of a power component (14) and at least one power conductor (18). The printed circuit board comprises an alternating succession of insulating (22) and conductive (24) layers, wells (30, 30?) bearing an internal electrically and thermally conductive coating (32) which passes through the thickness of the board, and a cooling device (34) for the board. The interior of the wells are filled with a thermally conductive material (44) to produce a thermal bridge between the component and the cooling device (34).