Stepping motors with disc magnet
US4406958A · kind A · utility
32Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1981 |
| Grant date | Sep 27, 1983 |
| Priority date | — |
| Expiry date | Apr 6, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K37/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The rotor in each of the disclosed stepping motors comprises a permanent magnet disc between toothed pole pieces, the diameter of the magnet disc is essentially equal to the outer diameter of the toothed pole pieces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.