Hydraulic servomechanism

Details Hydraulic servomechanism Hydraulic servomechanism

1977-06-06

1979-07-24

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91381, 91388, 91461, 91380, F15B 903, F15B 909, F15B 912, F15B 1316

Patent

active

041619056

ABSTRACT:
Disclosed is a hydraulic servomechanism wherein the motion of a driven element is synchronized with the motion of a command element by detecting any phase difference between the movement of the driven element and that of the command element, controlling the flow rate of a hydraulic fluid being fed to the driven element with a directional and flow control valve in proportion to the detected amount of phase difference and also controlling the flow rate of the hydraulic fluid being fed to the hydraulic servomechanism with a pressure compensation valve in proportion to the variation in the load exerted on the driven element.

REFERENCES:
patent: 3464318 (1969-09-01), Thayer et al.
patent: 3511134 (1970-05-01), Wittren
patent: 3554086 (1971-01-01), Wills
patent: 3559534 (1971-02-01), Munro

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