Patent ID: 11863029
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC H

Claim 12:
13. The motor rotor according to claim 12, wherein
an inner wall of the base is recessed in a direction away from the first end of the bearing housing body to form a limiting groove, and another end of the conductive pillar extends into the limiting groove;
a step part is formed on a side wall of the conductive pillar, and the step part is located between the grounding bracket of the motor rotor and the base; and
a distance between the step part and the grounding bracket is a first distance, a distance between an outer peripheral surface of the limiting groove and an end of the conductive pillar that faces the base is a second distance, and the first distance is less than the second distance.