Rotating electrical machine
US7777389B2 · kind B2 · utility
1Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2007 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Apr 10, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/276
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotating electrical machine comprises a stator and a rotor; the stator comprising a stator core having teeth and slots, and stator windings disposed in the slots, wherein the stator core is made of laminated steel sheets, teeth and slots of the steel sheet are made by etching, and the thickness of the steel sheet is between 0.05 mm and 0.30 mm. Specifically, it is preferable that the steel sheet used herein be a silicon steel sheet containing crystalline particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.