Method of preheating a brushless motor
US9160255B2 · kind B2 · utility
2Cited by
14References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2013 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Aug 17, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P29/62
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of preheating a brushless motor that includes sequentially energizing and de-energizing a phase winding over one or more drive periods. The phase winding is energized in the same direction throughout each drive period so as to lock a rotor of the motor at an aligned position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.