Power servo control

Details Power servo control Power servo control

1976-12-09

1978-10-03

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91387, 91417R, F15B 903, F15B 909, F15B 1316, F15B 1517

Patent

active

041177657

ABSTRACT:
An electrohydraulic servo system to actuate the power shaft of a fuel control system from the cockpit throttle including electrical devices responsive to the position of the throttle that actuates a hydraulic piston for moving the power shaft together with a backup system that assures a shaft position proportional to the throttle position. This permits the use of electrical lines from the cockpit to the engine rather than mechanical cables and linkages.

REFERENCES:
patent: 1564688 (1925-12-01), Kimball
patent: 2789543 (1957-04-01), Papowsky
patent: 2968283 (1961-01-01), Hilker et al.
patent: 3125856 (1964-03-01), Bronson et al.
patent: 3390613 (1968-07-01), Westbury et al.
patent: 3464318 (1969-09-01), Thayer et al.

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