Patent ID: 11863043
Assignee: NIDEC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A rotary electric machine comprising:
a rotor having a shaft in a hollow shape rotatable about a central axis;
a stator facing the rotor across a gap;
a housing for accommodating the rotor and the stator inside;
a bearing that rotatably supports the rotor;
a current shunter that is fixed to the housing and is in electrical contact with the shaft and the housing; and
a nozzle member that feeds fluid into inside the shaft,
the shaft including an open end portion that opens on a first axial side,
the housing including:
a bottom wall located on the first axial side from the open end portion; and
a peripheral wall protruding from the bottom wall toward a second axial side and surrounding the open end portion,
the nozzle member including:
a feeding tubular part that is at least partly inserted into inside the shaft from the open end portion; and
a flange portion that protrudes radially outward from the feeding tubular part,
the current shunter being located radially inside the peripheral wall, and
the flange portion being located between the current shunter and the bottom wall in an axial direction.