Patent ID: 11916454
Assignee: NIDEC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A stator comprising:
a stator core that includes a core back portion having an annular shape and with a central axis as a center, and tooth portions extending from the core back portion to an inside in a radial direction and arranged in a circumferential direction;
insulators that are attached to the tooth portions from the inside in the radial direction;
a coil that is wound around the insulator; and
a cover that supports an inner surface of the insulator opposing the inside in the radial direction from the inside in the radial direction; wherein
the insulator includes a pair of arm portions extending to two sides in the circumferential direction; and
inner peripheral surfaces of the pair of arm portions are in contact with outer peripheral surfaces of the insulators adjacent to each other in the circumferential direction opposing an outside in the radial direction.