Optical control system

Motors: expansible chamber type – Working member position feedback to motive fluid control – Plural input signal means for single motor valve

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Details

91358R, 91368, 137805, F15B 1316, F15C 104

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active

048542199

ABSTRACT:
An optical actuator position demand signal through optic fiber 14 is focused on one side 32 of optical fluidic interface 16. A second optical signal through optic fiber 56 is attentuated 50 in proportion to actuator 38 position and focused on a second side 34 of the interface 16. Amplified fluidic signals 68, 70 drive the actuator until the demand signal 14 and actual signal 58 are in balance.

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