Patent ID: 11909277
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B  F  Y | IPC B  H

Claim 4:
5. The motor of claim 2, wherein the housing further comprises:
a housing body comprising a second opening; and
an end cover covering the second opening, wherein a first central axis of the end cover and a second central axis of the rotating shaft are collinear or parallel, wherein the end cover comprises an inner surface facing an inside of the housing, wherein an annular protrusion is disposed on the inner surface and surrounds an installation cavity, wherein a third opening of the installation cavity faces the conductive pillar, wherein the second end extends into the installation cavity, wherein the first sealing piece seals the installation cavity to form the sealing space, and wherein an outer ring surface of the grounding ring is in contact with an inner wall surface of the installation cavity.