Mechanical hydro servo valve

Details Mechanical hydro servo valve Mechanical hydro servo valve

1977-02-08

1979-12-18

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91470, F15B 912

Patent

active

041788362

ABSTRACT:
A hydro mechanical condition-responsive servo control valve for controlling a variable condition, such as position or rate of change of position, of a remote element, comprises a rotary fluid valve controlled by a differential gear train arranged to register differential movement between two input shafts, one of which is connected for movement according to a desired input condition and the other of which is alternatively connected either to register the actual element condition or a reference [datum] condition; the rotary valve including mating stationary and rotary valve plates each incorporating fluid flow ports cooperatively arranged on the mating plate surfaces thereby to control fluid flow from a fluid inlet to a fluid outlet in accordance with the relative position or movement of said two input shafts.

REFERENCES:
patent: 1729173 (1929-09-01), Morfaing
patent: 2952245 (1960-09-01), Curlett et al.

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