Commutator brush with improved contact and non-contact zones
US8040016B2 · kind B2 · utility
2Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2006 |
| Grant date | Oct 18, 2011 |
| Priority date | — |
| Expiry date | Dec 13, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R43/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a brush 10 suitable for coming into contact with conducting plates 12 provided on an electric motor commutator 11. According to the invention, the brush has a means 15 for adjusting its pole coverage between the start of life of the motor and its stabilized operation. This is therefore a brush with pole coverage that can be varied over its operating life. Such a brush is more particularly fitted into a motor for a ventilation (air conditioning) system for motor vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.