Patent ID: 11916442
Assignee: HONDA MOTOR CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A rotor comprising:
a rotor core fixed to a shaft and including a plurality of through holes along an axial direction of the shaft;
a permanent magnet disposed in each of the plurality of through holes;
a functional fluid having a magneto rheological effect of fixing the permanent magnet in each of the plurality of through holes;
a pair of end face plates disposed at one end and another end of the rotor core in the axial direction of the shaft, the pair of end face plates covering end surfaces of the permanent magnet disposed in each of the plurality of through holes; and
a pair of collars fixed to an outer peripheral surface of the shaft and abutting an outer surface of each of the pair of end face plates in the axial direction, such that the rotor core and the pair of end face plates are pressed inward in the axial direction and fixed to the shaft.