Directional control valve

Details Directional control valve Directional control valve

1984-09-24

1985-04-30

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762563, 13762564, 251282, F15B 13043

Patent

active

045137838

ABSTRACT:
Disclosed herein is a directional control valve used to control the interlocking, stop, acceleration, deceleration of an actuator and the acting direction thereof in hydraulic circuit. This directional control valve comprises slide valves of plate-type slidably inserted to a tank chamber within a casing; a pair or plural pairs of ports, each pair being opposed in symmetric arrangement on a slide valve cover located on the upper surface of the casing and a slide valve base located on the lower surface of the casing; and ring cups slidably fitted to port of respective ports by means of spring force of coil springs.

REFERENCES:
patent: 2394487 (1946-02-01), Rotter et al.
patent: 2601990 (1952-07-01), Holzer
patent: 2669417 (1954-02-01), Ray
patent: 2732860 (1956-01-01), Ray
patent: 2742919 (1956-04-01), Ray
patent: 2743900 (1956-05-01), Holzer
patent: 2852040 (1958-09-01), Deardorff
patent: 2858851 (1958-11-01), Holl
patent: 2925095 (1960-02-01), Bates
patent: 3324887 (1967-06-01), Mueller
patent: 3457957 (1969-07-01), Mueller
patent: 3776276 (1973-12-01), Stiltner

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