Speed control for brushless DC motors
US5995710A · kind A · utility
16Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1998 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Jul 24, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P6/15
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for controlling the speed of rotation of the rotor of a brushless DC motor wherein means are provided for shifting both the on and off angle of motor excitation in opposite senses to thereby widen or narrow the pulse of energization to motor winding(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.