Pilot operated valve positioner

Details Pilot operated valve positioner Pilot operated valve positioner

1977-05-25

1979-03-13

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

91387, F16K 3112, F15B 1316

Patent

active

041438507

ABSTRACT:
A pilot operated valve positioner having a pilot valve unit operated by a pneumatic signal to pneumatically operate an actuator unit carrying a main valve member to position the same relative to its main valve seat in a valve unit in relation to the magnitude of the pneumatic signal, the actuator unit having a range spring and a feedback spring for the pilot valve unit. The springs are coiled compression springs and are substantially concentrically mounted. The pilot valve unit has a feedback positioning diaphragm and part of its housing concentrically disposed in one end of the range spring to render the valve positioner relatively small and compact.

REFERENCES:
patent: 3079898 (1963-03-01), Jensen

Affiliated with

Also associated with

Rating

Pilot operated valve positioner does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pilot operated valve positioner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pilot operated valve positioner will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2368077