A motor is provided and driven by two phase. The first and second control signals have a phase difference of 90 degrees and are configured to control the first and second driving units, respectively, and the first and second control signals drive the first and second coil sets, respectively. Each of the first and second poles of the permanent magnet occupies a mechanical angle of 360/2n degrees of the permanent magnet, respectively, and n is 1 or 3. The four sets of the coils of the stator are equally located on the stator, each set of the coil occupies a mechanical angle of 360/2m degrees of the stator, any two sets of the coils adjacent to each other are separated by a mechanical angle of 90−(360/2m) degrees, and m is 3 or 2, wherein m corresponds to 2 when n is 1, m corresponds to 3 when n is 3.

A motor is provided and driven by two phase. The first and second control signals have a phase difference of 90 degrees and are configured to control the first and second driving units, respectively, and the first and second control signals drive the first and second coil sets, respectively. Each of the first and second poles of the permanent magnet occupies a mechanical angle of 360/2n degrees of the permanent magnet, respectively, and n is 1 or 3. The four sets of the coils of the stator are equally located on the stator, each set of the coil occupies a mechanical angle of 360/2m degrees of the stator, any two sets of the coils adjacent to each other are separated by a mechanical angle of 90−(360/2m) degrees, and m is 3 or 2, wherein m corresponds to 2 when n is 1, m corresponds to 3 when n is 3.

A rotor structure with a suppress harmonic substructure includes a rotor body furnished with magnet-setting areas surrounding a circular center and magnets disposed individually in rotor body. Each magnet-setting area has first and second magnet slots, extended obliquely and symmetrically to a radial axis of the circular center. Outer ends of the first and second magnet slot are disposed adjacent to the radial axis and a rotor's outer rim of the rotor body, and inner ends of the first and second magnet slots are disposed away from the radial axis and the rotor's outer rim. The rotor's outer rim is furnished with main cavities, first and second auxiliary cavities. The radial axis corresponding to one magnet-setting area penetrates through the corresponding one main cavity, and one first auxiliary cavity and one second auxiliary cavity in the same magnet-setting area are disposed to opposite sides of the corresponding main cavity.

Disclosed are a rotor structure, a permanent magnet auxiliary synchronous reluctance motor, and an electric vehicle. The rotor structure includes a rotor body provided with a permanent magnet slot group; the permanent magnet slot group includes an outer layer of permanent magnet slot and an inner layer of permanent magnet slot; a magnetic conduction channel is formed between the outer layer of permanent magnet slot and the inner layer of permanent magnet slot; the magnetic conduction channel is provided with a connection hole.

A rotor includes a rotor core. A permanent magnet constitutes a first magnetic pole, and a part of the rotor core constitutes a second magnetic pole. In the second magnetic pole, a plurality of slits is symmetrically formed with respect to a magnetic pole center line connecting a pole center of the second magnetic pole and the center axis. On one side of the magnetic pole center line in a circumferential direction about the center axis, the plurality of slits has a first slit closest to the magnetic pole center line and a second slit adjacent to the first slit in the circumferential direction. A minimum distance L1 from the first slit to the outer circumference of the rotor core and a minimum distance L2 from the second slit to the outer circumference of the rotor core satisfy L1<L2.

Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle. The rotor structure includes: a rotor body provided with a permanent magnet slot group, the permanent magnet slot group including a permanent magnet slot, a first segment and a second segment of the permanent magnet slot being arranged to extend towards an outer edge of the rotor body, and an intermediate portion of the permanent magnet slot being arranged to protrude towards a side where a shaft hole of the rotor body is disposed; and a permanent magnet arranged in the permanent magnet slot, the permanent magnet including a plurality of permanent magnet segments, and partial lengths of the permanent magnet segments gradually decreasing outwards along a radial direction of the rotor body.

The present disclosure relates to a motor for a seat sliding device of a vehicle, and includes a coil module in which a plurality of first coils and a plurality of second coils are seamlessly disposed in the circumferential direction to have a cylindrical shape. Therefore, the conventional stator core having a slot and a tooth for installing the coil is not used, thereby implementing miniaturization and light-weight of a motor. and the slot and the tooth do not exist, thereby reducing a cogging torque and reducing the vibration and noise of the motor.

The present disclosure relates to a motor for a seat sliding device of a vehicle, and includes a coil module in which a plurality of first coils and a plurality of second coils are seamlessly disposed in the circumferential direction to have a cylindrical shape. Therefore, the conventional stator core having a slot and a tooth for installing the coil is not used, thereby implementing miniaturization and light-weight of a motor. and the slot and the tooth do not exist, thereby reducing a cogging torque and reducing the vibration and noise of the motor.

The invention relates to a brushless direct current motor, having a rotor made up of at least one permanent magnet and a stator having at least three partitions (160) radially extending from a circular based cylindrical main body (170), the partitions (160) together defining at least two volumes for receiving at least three coils generating a magnetic field, wherein each volume is closed by a wall (170) connecting the partitions (160), and in that the wall comprises, on the face thereof oriented toward the rotor, at least one magnetic restriction zone. A sleeve (4) surrounds the stator and the rotor and has at least one deformation zone formed by cutouts (11) adapted to maintain the external geometrical configuration of the sleeve (4) when mounting the constituent elements of the motor. The invention also relates to a method for manufacturing such a motor.

The invention relates to a brushless direct current motor, having a rotor made up of at least one permanent magnet and a stator having at least three partitions (160) radially extending from a circular based cylindrical main body (170), the partitions (160) together defining at least two volumes for receiving at least three coils generating a magnetic field, wherein each volume is closed by a wall (170) connecting the partitions (160), and in that the wall comprises, on the face thereof oriented toward the rotor, at least one magnetic restriction zone. A sleeve (4) surrounds the stator and the rotor and has at least one deformation zone formed by cutouts (11) adapted to maintain the external geometrical configuration of the sleeve (4) when mounting the constituent elements of the motor. The invention also relates to a method for manufacturing such a motor.