Patent ID: 11863048
Assignee: HYUNDAI MOTOR COMPANY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A motor comprising:
a stator configured to receive electric energy; and
a rotor comprising:
a rotor core;
a plurality of permanent magnets inserted into an outer circumference portion of the rotor core; and
a plurality of balancing structures provided on an inner circumference portion of the rotor core and disposed along a circumferential direction of the rotor core, wherein each balancing structure of the plurality of the balancing structures comprises a first portion formed to be spaced apart from the rotor core by a predetermined gap and a second portion connecting the first portion to the rotor core, and wherein one or more of the first portions are selectively removable for balancing of the rotor.