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 11:
12. The motor of claim 8, 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 rotating shaft, wherein a first end of the rotating shaft extends into the installation cavity, wherein the grounding ring and the first sealing piece are sleeved on the first end, wherein a first inner ring surface of the grounding ring and a second inner ring surface of the first sealing piece are in contact with the rotating shaft, wherein a first outer ring surface of the grounding ring and a second outer ring surface of the first sealing piece are in contact with an inner wall surface of the installation cavity, wherein the first sealing piece and the second sealing piece cooperate to seal the first area and the installation cavity to form the sealing space, and wherein the grounding ring is located on a side of the first sealing piece facing the end cover.