Electric rotating machine with stator having core back portions with welding portions
US12191709B2 · kind B2 · utility
0Cited by
22References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2019 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Apr 7, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/64
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An outer-circumferential side of a core-back portion of a stator iron core has a welding portion that is provided in such a way as to ride on two or more electromagnetic steel plates including electromagnetic steel plates situated at a stacking-direction end portion of the stator iron core; the welding portion is provided partly in the stacking-direction of the stator iron core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.