Brush of motor for automotive electronics
US11146152B2 · kind B2 · utility
1Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 2018 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Nov 20, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R2201/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A brush for a motor for electrical equipment in an automobile includes a main brush portion containing carbon and an abrasive having a Vickers hardness higher than or equal to 10 GPa and lower than or equal to 14 GPa. The sliding noise of the brush is reduced in the brush for a motor for electrical equipment in an automobile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.