Optimum motor speed control system
US5917296A · kind A · utility
20Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1997 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Nov 21, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P7/2913
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The method for controlling a motor driving a load holds the speed of the output shaft of the motor substantially constant as the torque imposed upon the shaft by the load varies, then regulates the rate of change of the output torque delivered by the motor's output shaft as the motor's speed decreases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.