Loss stroke reducing apparatus for hydraulic servomechanism

Details Loss stroke reducing apparatus for hydraulic servomechanism Loss stroke reducing apparatus for hydraulic servomechanism

1985-09-27

1987-04-14

Hershkovitz, Abraham

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

605471, F15B 910

Patent

active

046569235

ABSTRACT:
In a hydraulic servomechanism having an input shaft positioned within a power piston, a key member provided around the input shaft and cooperating with an annular groove in the power piston, so that required movement of the input shaft during operation of the mechanism is reduced.

REFERENCES:
patent: 3677007 (1972-07-01), Goscenski
patent: 3926093 (1975-12-01), Nakagawa
patent: 4075848 (1978-02-01), Ueda
patent: 4196592 (1980-04-01), Nomura
patent: 4377069 (1983-03-01), Kobayashi
patent: 4490977 (1985-01-01), Fulmer
patent: 4506592 (1985-03-01), Shimamura
patent: 4514981 (1985-05-01), Brown

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