Brushless DC motor using phase timing advancement
US5677605A · kind A · utility
50Cited by
21References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1996 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Feb 15, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P6/153
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A drive system for a brushless DC motor uses pulse width modulation, and phase timing advancement to maintain a constant power output during high speed use. The arrangement is well suited for driving a brushless motor in an electric vehicle and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.