Control-valve system and block for a fluid-operated cylinder-and

Details Control-valve system and block for a fluid-operated cylinder-and Control-valve system and block for a fluid-operated cylinder-and

1984-04-27

1986-05-27

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

65DIG13, 91 6, 91 31, 91449, 91454, F15B 13044

Patent

active

045909660

ABSTRACT:
A control valve includes a monolithic valve body incorporating dual digital valves and dual by-pass valves interconnected with each other by ducts within the valve body and providing for either controlled or uncontrolled actuation of a piston in either a forward or a reverse direction of movement.

REFERENCES:
patent: 2999482 (1961-09-01), Bower
patent: 3038449 (1962-06-01), Murphy et al.
patent: 3164065 (1965-01-01), Frantz
patent: 4367087 (1983-01-01), Franco et al.
patent: 4518011 (1985-05-01), Stoll

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