Two wire position sense and control of modulating gas valve or other electromechanical actuators
US5606236A · kind A · utility
14Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1995 |
| Grant date | Feb 25, 1997 |
| Priority date | — |
| Expiry date | Jan 17, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/41355
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and system for controlling an electromechanical actuator assembly and measurement of actuator position via two drive wires to the actuator assembly. The system includes sensing the changing inductance of the actuator through the electrical drive line and associating the sensed inductance with a corresponding position of the actuating member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.