Electric motor and motor shaft thereof
US10910912B2 · kind B2 · utility
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1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2017 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Jul 20, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/083
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor shaft includes a main body and a chamfered end formed at an end of the main body. The chamfered end has a chamfer formed at a peripheral surface thereof, and a groove defined in an end surface thereof. An axial length of the chamfer is greater than a depth of the groove in the axial direction of the motor shaft. An electric motor including the motor shaft is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.