Brushless motor
US5396137A · kind A · utility
19Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1993 |
| Grant date | Mar 7, 1995 |
| Priority date | — |
| Expiry date | Jul 28, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a brushless motor having a stator with windings mounted in plural slots and a rotor with a permanent magnet consisting of plural poles, the poles have two kinds of occupation angles on the whole in the rotating direction of the rotor, and a difference between the two occupation angles is equal to one slot-pitch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.