Stator for rotating electrical machine, rotating electrical machine, method for manufacturing stator for rotating electrical machine, and method for manufacturing rotating electrical machine
US12355301B2 · kind B2 · utility
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Key dates
| Filing date | Sep 23, 2020 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Jan 20, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The stator for a rotating electrical machine includes an annular first iron core part, which is a stacked body including electrical steel plates, and second iron core part, which is a stacked body including an amorphous soft magnetic metal or a nanocrystalline soft magnetic metal, wherein: the annular first iron core part includes a plurality of tooth parts which protrude toward the inner circumferential side and around which a coil is wound, and first groove parts formed within each tooth part from an outer circumferential surface; and the second iron core parts are disposed in the first groove parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.