Quieting circuits for permanent magnet synchronous motors
US4678978A · kind A · utility
1Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1985 |
| Grant date | Jul 7, 1987 |
| Priority date | — |
| Expiry date | Jul 12, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K19/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Quieting circuits for synchronous electric motors bypass their phase shifting coils with a minor percentage of the total motor watts input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.