Motors: expansible chamber type – Working member position feedback to motive fluid control – Plural input signal means for single motor valve
Patent
1988-06-10
1989-08-08
Look, Edward K.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Plural input signal means for single motor valve
91358R, 91368, 137805, F15B 1316, F15C 104
Patent
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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Hockaday Bruce D.
Taylor Kenneth D.
Kochey Jr. Edward L.
Look Edward K.
United Technologies Corporation
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