Pneumatic actuator system and method

Details Pneumatic actuator system and method Pneumatic actuator system and method

1976-04-28

1978-02-28

Croyle, Carlton R.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91465, 1376275, 244 85, 418150, 418267, F16B 1316, F16B 13044, B64C 1336

Patent

active

040759300

ABSTRACT:
A system for precisely positioning a linearly movable output member incorporates an improved nonexpansion, bi-directional vane motor whose internal gas carrying chamber is configured to prevent radial vane reciprocation while the vanes of the motor are under pressure-generated side load. Position of the output member is electrically sensed and in response to the sensed position, pressurized gas flow to the vane motor is adjusted to precisely position the output member.

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patent: 2873725 (1959-02-01), Gilovich
patent: 3107695 (1963-10-01), Broadwell
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patent: 3263572 (1966-08-01), Sunderland
patent: 3763744 (1973-10-01), Fournell et al.
patent: 3772889 (1973-11-01), Mason et al.
patent: 3900046 (1975-08-01), Burckhardt

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