Electronic pilot positioner
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 12, 1993
Grant Date -
N/A
app pub date -
Feb 13, 1992
filing date -
Feb 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A positioner for use in pneumatic systems moves a pneumatic operator. The positioner is an electronic pilot positioner or electronic to pneumatic interface which provides accurate positioning of linear actuators in response to an electronic control signal. The actuator is moved as pneumatic fluid is exhausted or supplied through the exhaust valve and supply valve. The positioner utilizes two solenoids for controlling a supply valve and an exhaust valve. The positioner includes a control circuit which receives a signal from a central controller and a signal from a feedback circuit. The control circuit compares the feedback signal and the controller signal and generates a signal for positioning the actuator.
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