Rotating electrical machine with electromagnetic and permanent magnet excitation
US5663605A · kind A · utility
99Cited by
16References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1995 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | May 3, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S174/21
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In several embodiments of the present invention, an alternator is disclosed. The alternator includes a rotor having both wound-field and permanent magnet poles. The wound-field and permanent magnet poles are disposed about the circumference of the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.