Line control

Details Line control Line control

1975-04-14

1977-01-25

Cline, William R.

Fluid handling

Systems

Flow path with serial valves and/or closures

13761418, 137107, 13762568, F16K 4300

Patent

active

040046109

ABSTRACT:
A valve control having a piston movable within a body, inlet outlet and bleed ports in said body, said piston having an opening therethrough with an orifice containing check valve positioned within said opening for permitting fluid to bleed from said outlet to said inlet.

REFERENCES:
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patent: 2619914 (1952-12-01), Dobkin
patent: 2722402 (1955-11-01), Crookston
patent: 2764174 (1956-09-01), Wilson
patent: 2771898 (1956-11-01), Rotter
patent: 3034527 (1962-05-01), Hennells
patent: 3215160 (1965-11-01), Rice
patent: 3255777 (1966-06-01), Rice et al.
patent: 3482600 (1969-12-01), Hodgson
patent: 3742926 (1973-07-01), Kemp
patent: 3877484 (1975-04-01), Theriot et al.

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