Stator core and method of manufacture therefor
US6147431A · kind A · utility
25Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1998 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Aug 27, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53161
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A plurality of strips formed with tooth portions and core back portions is punched from a single band of sheet steel. Next, a plurality of strips is stacked such that the tooth portions line up together and the core back portions line up together and the stacked plurality of strips is integrated to form a strip lamination. Then, the strip lamination is wound spirally and the wound strip lamination is integrated to obtain a stator core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.