摘要:
The invention mainly concerns a stator (9) of a rotary electric machine, in particular intended for an electric compressor for a motor vehicle, the stator (9) comprising: - a yoke (28), - a plurality of teeth (27) angularly distributed on an inner periphery of said yoke (28), - a plurality of slots (29) each defined by two adjacent teeth (27), - a winding (17) comprising a plurality of coils (50), each coil (50) being formed by a wire (51) wound around a tooth, characterised in that a ratio between a diameter of a conductive portion of said non-enamelled wire (51), expressed in mm, and a number of turns of each coil (50) is of between 5% and 25%, and in particular between 10% and 20%.
摘要:
The invention relates mainly to a stator (10) for a multiphase rotary electric machine comprising a set of coils wound around teeth of the stator, each one having an input and an output comprising one single or several parallel wires. The input is intended to be interconnected with other inputs to form the neutral point of the machine and the output is intended to be interconnected with other outputs to form one of the phases (U, V, W) of the machine. Each phase is associated with a bundle of wires (FU), this bundle (FU) being divided into two bundle portions (FU1, FU2), these two bundle portions running around part of the circumference of the stator (10) in two opposite directions in order to connect the outputs of the coils that make up one and the same phase. The stator also comprises a set of insulating sheets (40) protecting the wires of each bundle portion (FU1, FU2). According to the invention, each bundle (FU) is divided in a dividing zone (SU) situated near a connection of one or more bundles of wires (FU) with an output (U3) of one of the coils belonging to the phase corresponding to said bundle, so that the insulating sheets (40) extend around the circumference of the stator (10) from the dividing zone (SU) to an output (U2, U4) of a next coil of a phase or between the outputs of two successive coils (28) of said phase all have substantially the same length as one another.
摘要:
The invention relates to a voltage regulator device for a rotary electric machine, notably an alternator and/or an alternator/starter of a motor vehicle, said regulator device (14) comprising a support (34) and one or more electronic components (28) able to play a part in controlling said electric machine, the support comprising a first part (60) on which the component or components is or are mounted, said first part having an edge (62) equipped with a brush holder (50) equipped with at least one housing, known as the brush housing, capable of housing a brush (15) for making an electrical connection with a rotor (3) of the electric machine possible. According to the invention, said device is configured to allow air to flow through said first part of the support, in contact with said brush holder. The invention also relates to an assembly of a device for rectifying the current produced by the electric machine and of such a regulator device, to a bearing of an electric machine equipped with such an assembly and to an electric machine equipped with such a bearing.
摘要:
The synchronous electric motor with permanent magnets comprising a wound stator (1) comprising stator teeth extending axially formed in a frame and a rotor (5) comprising a plurality of said magnets extending axially into a cylinder head (6), being embedded according to a flux concentration construction of said rotor (5) in which a first length (Ls1) of said rotor (5) is greater than a second length (Ls1) of said stator teeth and in which a ratio of said first length (Ls1) to said second length (Ls2) is lower than 1.3. The compressor is characterised in that it comprises such an electric motor.
摘要:
The invention concerns an element (200) for holding winding wires for the stator (300) of an electric machine, the element comprising an annular support (201) with an internal periphery and an abutment face (207) which is to be placed flat against an end face of the stator. The wire-holding element also comprises systems (220) for anchoring stator winding wires disposed on the support (201) on the side opposite the abutment face (207).