Position-controlled actuator

Details Position-controlled actuator Position-controlled actuator

1991-11-12

1993-12-21

Look, Edward K.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Valve locking means

91403, 91410, 92242, F15B 1316, F15B 1304

Patent

active

052713130

ABSTRACT:
A position-controlled actuator including a double acting pneumatic actuator, a selector valve which causes function of the actuator, a comparator which controls the action of the selector valve in response to a comparison between an input signal and a signal indicative of the position of the actuator, and a feedback link which provides the comparator with a signal indicative of the position of the actuator. The actuator would have oscillation damping seals such as seals of VITON brand fluorocarbon rubber.

REFERENCES:
patent: 2314398 (1943-03-01), Hoch
patent: 3667723 (1972-06-01), Schneider
patent: 3953213 (1976-04-01), Gasper
patent: 3972264 (1976-08-01), Field
patent: 4281590 (1981-08-01), Weaver
patent: 5065665 (1991-11-01), Kimura

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