Split cores for motor stator, motor stator, permanent magnet type synchronous motor and punching method by split core punching die
US8102092B2 · kind B2 · utility
7Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2007 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Feb 18, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49009
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Split cores comprising laminated iron cores each having formed thereon a tooth, and a yoke and a pole piece which are connected to the tooth at both ends thereof, and arranged and connected together into an annular shape to make a stator. Both ends of the yokes and both ends of the pole pieces are displaced in one circumferential direction by laminated iron core from a top laminated layer of the iron cores of the split cores to a bottom laminated layer of the iron cores or split cores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.