Stator, method of manufacturing stator, and outer rotor type motor
US11316388B2 · kind B2 · utility
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1References
8Claims
0Family size
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Key dates
| Filing date | May 13, 2020 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Aug 4, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Groove holes capable of positioning each of the segment cores with respect to a winding jig in an arc attitude with wide gaps between the teeth edges of respective pole teeth are respectively formed in yoke parts positioned at both end parts of each of the segment cores in a longitudinal direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.