Electric machine having magnetic poles including a primary magnet and auxiliary magnets
US9263930B2 · kind B2 · utility
0Cited by
19References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2011 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Dec 13, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K23/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric machine has a stator and a rotor. The stator has a housing and at least one pair of magnetic poles. Each magnetic pole has a primary magnet and two auxiliary magnets disposed on respective sides of the primary magnet. All of the magnets are disposed on an inner surface of the housing. All the magnets of a magnetic pole have the same polarity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.