STATOR FOR ROTATING ELECTRIC MACHINE
First Claim
1. A stator for a rotating electric machine, the stator comprising:
- a hollow cylindrical stator core having a plurality of slots that are formed in a radially inner surface of the stator core so as to be spaced from one another in a circumferential direction of the stator core; and
a multi-phase stator coil comprised of a plurality of phase windings, each of the phase windings being formed of a continuous electric conductor and including a plurality of in-slot portions and a plurality of coil end portions, each of the in-slot portions being received in a corresponding one of the slots of the stator core, each of the coil end portions being located outside the slots of the stator core so as to connect one circumferentially-adjacent pair of the in-slot portions,whereinthe stator coil is mounted on the stator core so that for each of the phase windings, radial positions of the in-slot portions of the phase winding in the corresponding slots alternate between a radially inner position and a radially outer position in the circumferential direction of the stator core,each of the coil end portions of the phase windings includes at least one oblique part that extends obliquely at an oblique angle with respect to either an axial direction of the stator core or the circumferential direction of the stator core, andthe oblique angles of the oblique parts of the coil end portions in at least one of the phase windings of the stator coil are set to be different from the oblique angles of the oblique parts of the coil end portions in the other phase windings.
1 Assignment
0 Petitions
Accused Products
Abstract
A stator includes a multi-phase stator coil comprised of phase windings. Each of the phase windings is formed of a continuous electric conductor and includes in-slot portions and coil end portions. Each of the in-slot portions is received in one of slots of a stator core. Each of the coil end portions is located outside the slots so as to connect one adjacent pair of the in-slot portions. Each of the coil end portions includes at least one oblique part that extends obliquely at an oblique angle with respect to either an axial direction or a circumferential direction of the stator core. The oblique angles of the oblique parts of the coil end portions in at least one of the phase windings of the stator coil are set to be different from the oblique angles of the oblique parts of the coil end portions in the other phase windings.
24 Citations
7 Claims
-
1. A stator for a rotating electric machine, the stator comprising:
-
a hollow cylindrical stator core having a plurality of slots that are formed in a radially inner surface of the stator core so as to be spaced from one another in a circumferential direction of the stator core; and a multi-phase stator coil comprised of a plurality of phase windings, each of the phase windings being formed of a continuous electric conductor and including a plurality of in-slot portions and a plurality of coil end portions, each of the in-slot portions being received in a corresponding one of the slots of the stator core, each of the coil end portions being located outside the slots of the stator core so as to connect one circumferentially-adjacent pair of the in-slot portions, wherein the stator coil is mounted on the stator core so that for each of the phase windings, radial positions of the in-slot portions of the phase winding in the corresponding slots alternate between a radially inner position and a radially outer position in the circumferential direction of the stator core, each of the coil end portions of the phase windings includes at least one oblique part that extends obliquely at an oblique angle with respect to either an axial direction of the stator core or the circumferential direction of the stator core, and the oblique angles of the oblique parts of the coil end portions in at least one of the phase windings of the stator coil are set to be different from the oblique angles of the oblique parts of the coil end portions in the other phase windings. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
Specification