The present invention provides A motor comprising: a shaft; a rotor including a hole in which the shaft is disposed; and a stator outside the rotor, wherein the rotor comprises a rotor core and a magnet, wherein the rotor core comprises: a main body; a pocket which is formed in the main body and in which the magnet is disposed; first barriers extending from both sides of the pocket; and second barriers formed between an inner circumferential surface of the main body and an outer circumferential surface of the main body, wherein a center (C11) of the second barrier has a certain arrangement angle (θ) in a circumferential direction from a first line (L11) passing through a center (CC) of the main body and a center of a width (W) of the magnet.

A magnetic pole module and a rotor for a permanent magnet generator are provided. The magnetic pole module includes a base plate having a first surface and a second surface arranged opposite to each other, the base plate has a first center line extending in the first direction and a second center line extending in the second direction, the first direction is intersected with the second direction, the first center line is parallel to the central axis of the permanent magnet generator; at least one pair of magnetic steel components is fixed on the base plate, and each pair of magnetic steel components is symmetrically arranged on the first surface with respect to the second center line, each magnetic steel component includes multiple magnetic steels arranged side by side along a side of the first direction from the second center line and arranged at a predetermined angle in the second direction.

A motor for a vehicle includes a rotor and a pair of end plates having a first end plate and a second end plate. Each of the pair of end plates is respectively disposed on opposite sides of the rotor. At least one path extends from the first end plate to the second end plate and penetrating through the second end plate through the rotor from the first end plate.

The present invention provides a motor comprising, a shaft, a rotor including a shaft hole in which the shaft is disposed, the rotor including a plurality of rotor plates stacked to each other and a stator disposed outside the rotor, wherein each rotor plate includes a plurality of guide pin holes disposed around the shaft hole in a circumferential direction and a skew check hole including a skew reference surface, wherein an outer circumferential surface of each rotor plate is attached with magnets, and an angle between lines connecting centers of the adjacent guide pin holes with a center of the shaft hole is greater than a skew angle of each rotor plate.

An electric motor is provided and includes inner and outer rotors, a stator supportive of back iron radially interposed between the inner and outer rotors and a winding structure. The winding structure includes first phase coils radially interposed between the inner rotor and a first side of the back iron, the first phase coils extending axially along the first side of the back iron, second phase coils radially interposed between a second side of the back iron and the outer rotor, the second phase coils extending axially along the second side of the back iron and end windings respectively extending radially between corresponding ones of the first and second phase coils.

An electromechanical transducer includes a stator assembly and a rotor assembly including a rotor shaft having a longitudinal axis, a mounting structure connected to the rotor shaft, and at least one magnetic component part including at least one permanent magnet, wherein a skew angle between the permanent magnet and the stator assembly has a value of 60% to 92% of a cogging torque period, or for an integral machine, wherein the skew angle between the permanent magnet and the stator assembly has a value of 35° to 55° electrical degrees.

A method for producing a rotor of an asynchronous machine includes providing a rotor lamination stack having grooves extending parallel to a rotor axis of the rotor, inserting conductor rods into the grooves such that the conductor rods protrude from end faces of the rotor lamination stack, wherein a twisting tool is placed at each of the end faces onto the protruding conductor rods and the twisting tools are twisted relative to each other, where the parallel grooves with the corresponding conductor rods also extend obliquely after the twisting and where the twisting tools are formed such that the protruding conductor rods remain parallel to the rotor axis when an oblique profile of the stack is produced, removing the twisting tools, providing first and second short-circuit washers, and axially pressing the short-circuit washers onto the conductor rods projecting perpendicularly from the end face of the rotor lamination stack.

A stator for a rotary electric machine includes a stator core and a stator coil. The stator core includes plate groups circumferentially shifted from and stacked on one another. The stator core has slots. The stator coil includes segment conductors inserted in the slots respectively. The stator coil is assembled with the stator core. The plate groups each have, as grooves that form the slots, first grooves, and second grooves wider than the first grooves. At least one of the slots is configured with one or more of the first grooves and one or more of the second grooves.

In a rotating electric machine, an axis direction width of a rotor core arranged at an end of a load side of the rotating shaft is set to be γ, an axis direction width of a rotor core arranged at an opposite side end of the load side is set to be ε, a distance from a support part at the load side to the rotor core at the load side is set to be α, and a distance from a support part at the opposite side of the load side to a rotor core at the opposite side of the load side is set to be β. In a case of α>β, γ≥ε is satisfied, and in a case of α<β, γ≤ε is satisfied. Thereby, the vibration of the rotor can be suppressed effectively.

A rotor for an electric machine, having a plurality of annular laminated core segments, wherein each laminated core segment is made of a plurality of laminations are arranged one behind the other and are adhered together, each laminated core segment has a first end face and a second end face. Each laminated core segment is equipped with at least one magnet pocket, which extends in the longitudinal direction of the laminated core segment, for receiving a permanent magnet, the permanent magnet is introduced into the magnet pocket solely from the first end face. At least two laminated core segments of the rotor are arranged relative to each other such that the respective first end faces of the laminated core segments face one another and are adhered together, and the respective second end faces of the distal laminated core segments are oriented outwards in the longitudinal direction of the rotor.