Armature of rotating electric machine and method of manufacturing the same
US7821174B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2006 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Jan 1, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49012
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotating electric machine includes a shaft and an armature with a core that includes a shaft hole. The core includes a plurality of core materials that are laminated. When pressing in and fixing the shaft to the shaft hole, the shaft hole is applied with an ironing process in advance in order to rectify a cylindrical hole shape of the shaft hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.