IPM motor rotor and production method therefor
US9197105B2 · kind B2 · utility
2Cited by
0References
4Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 28, 2011 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Mar 27, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49012
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In an IPM motor rotor, a rotor core has a plurality of magnetic poles, and each magnetic pole is formed by two permanent magnets. The two permanent magnets of each magnetic pole are two split pieces obtained by splitting one parent permanent magnet that is larger than the permanent magnets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.