Method and apparatus for discrete speed compensated torque step motor control
US7161316B2 · kind B2 · utility
9Cited by
58References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2004 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Nov 2, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for controlling a motor are provided. The motor may be operated in a fluid system having a variable static pressure acting on the motor. The method including operating the motor at a first substantially constant torque level, varying the static pressure of the system, receiving a torque selection signal from external to the motor, and operating the motor at a second substantially constant torque level, the level corresponding to the torque selection signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.