Patent ID: 11916440
Assignee: NIDEC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The rotor according to claim 4, wherein
the plurality of non-radially magnetized portions includes a plurality of circumferentially magnetized portions whose magnetization directions are the circumferential direction,
each of the plurality of circumferentially magnetized portions is located between adjacent radially magnetized portions of the plurality of radially magnetized portions in the circumferential direction,
each of the plurality of holes has a circumferential dimension equal to or smaller than that of a corresponding radially magnetized portion of the plurality of radially magnetized portions, and
each of the plurality of holes is aligned with the corresponding radially magnetized portion of the plurality of radially magnetized portions in the radial direction.