Stepping motor harmonic suppression
US4703243A · kind A · utility
21Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1986 |
| Grant date | Oct 27, 1987 |
| Priority date | — |
| Expiry date | Apr 17, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P8/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A stepping motor including a plurality of stator poles wherein the stator poles are non-symmetrically displaced from their normal position to reduce harmonics in the torque/displacement crossing of the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.