Rotor for rotary electric machine and method of manufacturing rotary electric machine
US11264878B2 · kind B2 · utility
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2References
1Claims
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Key dates
| Filing date | Nov 22, 2017 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Nov 22, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor for a rotary electric machine, wherein: magnet insertion holes are formed, each defined by the plurality of through holes communicating with each other in the axial direction across the plurality of magnetic sheets; and each of the permanent magnets is twisted about the center axis so as to be placed into a corresponding one of the magnet insertion holes, each having opposite ends in the axial direction that are shifted from each other by an angle corresponding to the constant angle, from outside in the axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.