Built-in two-way directional control valve

Details Built-in two-way directional control valve Built-in two-way directional control valve

1987-07-22

1989-01-03

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

91454, 13759616, 13759618, F15B 13043

Patent

active

047949511

ABSTRACT:
A valve having a piston which, by the admission of pressure, is displaceable is a bore of a valve housing for blocking and clearing lines leading through the valve housing, wherein at least one piston (5) is displaceable in an outer piston (3), which inner piston (5) projects beyond the outer piston (3), with a valve seat (6, 7) in each case being allocated to both pistons for blocking and clearing a line.

REFERENCES:
patent: 3556144 (1971-01-01), Bickers et al.
patent: 4071046 (1978-01-01), Cates
patent: 4530377 (1985-07-01), Peters
patent: 4561464 (1985-12-01), Frantz

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