Brush system of an electric motor
US10559996B2 · kind B2 · utility
0Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 26, 2018 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | Apr 29, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R39/381
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A brush system of an electric motor, having a commutator, at least one brush that is guided within a brush duct and is provided with a connection line, and a spring element that exerts a spring force on the brush when the spring element is effectively connected thereto, such that the brush rests against the commutator; the brush duct includes a longitudinal duct slot inside which the connection line extends and which has a constriction that the connection line penetrates when the effective connection between the spring element and the brush is established.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.