Patent ID: 11962217
Assignee: NIDEC MOTOR CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. An electric motor comprising:
a stator assembly;
a rotor assembly including a rotor shaft rotatable relative to the stator assembly about a rotation axis;
an endshield;
a bearing assembly rotatably supporting the rotor shaft on the endshield;
a shaft ground assembly electrically coupled to the rotor shaft;
a bearing lockplate fixedly coupled to the endshield,
said shaft ground assembly being supported by the bearing lockplate on the endshield; and
a shaft ground fastener,
the bearing lockplate including a plurality of shaft ground mounting holes,
the shaft ground fastener being received in a respective one of the shaft ground mounting holes and coupling the shaft ground assembly to the bearing lockplate.