Small D.C. motor
US5245239A · kind A · utility
1Cited by
4References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 1992 |
| Grant date | Sep 14, 1993 |
| Priority date | — |
| Expiry date | Sep 9, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K13/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A small d.c. motor which includes a commutator including a plurality of commutator segments, a resilient metal brush kept in contact with the commutator segments, the commutator segments being coated with a layer of a lubricating fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.