Brushless DC motor and magnetic compensation method thereof
US7439642B2 · kind B2 · utility
7Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2005 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Dec 26, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K29/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A magnetic compensation method for a brushless DC motor. The method of magnetic compensation for the motor provides the magnetic element disposed adjacent to the magnetic sensor to compensate the magnetic sensor for an unnecessary magnetic interference, so that the magnetic sensor provides a regular voltage difference to drive the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.