Rotating electrical machine with biased bobbin
US9601960B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2012 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Apr 18, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2203/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical machine includes a back-yoke engagement portion including a convex portion for a back yoke portion formed on an outer-diameter surface of a pair of back yoke-side coil retaining pieces and a shoe engagement portion including a convex portion for a shoe portion. By the convex portion for the back yoke portion and the convex portion for the shoe portion, the back yoke-side coil retaining pieces and shoe-side coil retaining pieces are biased toward a stator core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.