Metal-graphite brush
US6700292B2 · kind B2 · utility
5Cited by
2References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 24, 2002 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Dec 7, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R39/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A metal-graphite brush has a copper-graphite brush body to which a metal sulfide solid lubricant is added and a lead embedded. Indium is at least added to an interface between the brush body and the lead in a concentration of 0.4-8 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.