Pressure operated valve systems

Details Pressure operated valve systems Pressure operated valve systems

1974-02-25

1976-05-11

Cline, William R.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

137525, 137565, 251 4, 138 45, F16K 1514

Patent

active

039555941

ABSTRACT:
Fluid flow through a conduit is controlled by varying the pressure of the fluid. The fluid passes through a normally closed valve comprising a flexible sleeve held in pinched closed condition by an elastic material which is isolated from all pressures except those transmitted through the sleeve.

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patent: 3710942 (1973-01-01), Rosenberg
patent: 3759289 (1973-09-01), DeWall

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