Cogging reduction in permanent magnet machines
US7385328B2 · kind B2 · utility
28Cited by
216References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 2006 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | May 23, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A permanent magnet motor having a rotor and a stator and configured such that when the leading edge of each pole of the rotor aligns with a stator tooth the trailing edge of that pole is generally not aligned with a stator tooth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.