Rotary type hydraulic servo-mechanism

Details Rotary type hydraulic servo-mechanism Rotary type hydraulic servo-mechanism

1974-09-05

1976-02-24

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91375R, 91376A, F15B 910

Patent

active

039397564

ABSTRACT:
A rotary type hydraulic servo-mechanism constructed with a hollow-cylindrical casing, an input shaft extending through the casing, a driven output member slidably mounted on the casing, a servo-valve mechanism formed in the surface of the input shaft which slides on the driven output member, a hydraulic fluid chamber to generate a resisting torque against rotational force of the input shaft, and a passage to connect this hydraulic fluid chamber with the servo-valve mechanism, and hydraulic drive chambers defined by a space between the inner wall of the hollow cylindrical casing and the outer periphery of the driven output member.

REFERENCES:
patent: 1876104 (1932-09-01), Tucker
patent: 1947991 (1934-02-01), Jessup
patent: 2132486 (1938-10-01), Lichte
patent: 2260979 (1941-10-01), Morin et al.
patent: 2579711 (1951-12-01), Staude

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