Rotor core having bridges connection magnetic pole and method of manufacturing the same
US8138650B2 · kind B2 · utility
19Cited by
7References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 13, 2005 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Aug 26, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49078
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor core of a rotating electrical machine formed by stacking a plurality of blanks blanked from a steel sheet, the blank having a yoke, a magnetic pole portion confronting the yoke, and a magnet insertion hole positioned between the yoke and the magnetic pole portion, the magnetic pole portion having a projection projecting circumferentially at two circumferential sides thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.