Dust core, stator core, and stator
US10903700B2 · kind B2 · utility
0Cited by
0References
17Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 6, 2017 |
| Grant date | Jan 26, 2021 |
| Priority date | — |
| Expiry date | Apr 20, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dust core included in an axial-gap rotary electric machine. The dust core includes a sector-shaped plate-like yoke portion, and a tooth portion integrated with the yoke portion and projecting from the yoke portion. Denoting one of surfaces of the yoke portion from which the tooth portion projects as a toothed surface, the toothed surface has a concave portion provided between a peripheral edge of the tooth portion and a peripheral edge of the yoke portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.