Synchronous type electrical machine
US5936325A · kind A · utility
40Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1997 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Dec 29, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A synchronous electrical machine comprising a rotor and a stator, each having a plurality of notches, wherein the rotor is a stack of laminations without conductor windings and without permanent magnets, and wherein the stator has magnetizing means defining at least one pair of poles thereon, while the notches of said stator receive at least one secondary winding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.