Small motor stator with improved magnet mounting
US4668887A · kind A · utility
19Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1985 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Apr 3, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/17
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A stator for a small electric motor includes two permanent magnets mounted within a flux circulation frame by a single spring formed of a shaped spring steel rod compressed between the two permanent magnets and urging the two permanent magnets apart and toward respective portions of the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.