Stator for ball motors
US4471253A · kind A · utility
14Cited by
6References
6Claims
0Family size
Inventor
Key dates
| Filing date | Jul 12, 1982 |
| Grant date | Sep 11, 1984 |
| Priority date | — |
| Expiry date | Jul 12, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Without exception, the iron sheets of the stator teeth of electric motors are up to now produced by stamping. The invention relates to electric motors in which the stack of iron sheets of the stator is largely composed of rectangular metal sheet strips cut from a strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.