Electrohydraulic servo-valve

Details Electrohydraulic servo-valve Electrohydraulic servo-valve

1977-07-26

1980-03-18

Rosenthal, Arnold

Fluid handling

Systems

With flow control means for branched passages

13762561, 13762564, 251138, F16K 3110

Patent

active

041934253

ABSTRACT:
An electrohydraulic servo-valve comprises a fixed liner having an inner duct for hydraulic fluid communicating with at least one opening in the liner for substantially radial outward flow, the effective area of the opening being controlled by a sleeve around and slidable relative to the liner, movement of the sleeve being controlled by a torque motor having an electric control for causing oscillation in a plane, the torque motor being connected to the sleeve by a spindle subject to the torque motor and a return spring and articulated on the sleeve.

REFERENCES:
patent: 2327366 (1943-08-01), Nampa
patent: 3065145 (1962-11-01), Molander, Jr. et al.
patent: 3093155 (1963-06-01), Dawes
patent: 3588039 (1971-06-01), Chelminski et al.

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