Fluid safety valve

Details Fluid safety valve Fluid safety valve

1982-11-12

1985-01-22

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

13750538, 1375133, F16K 3136, F16K 1700

Patent

active

044945639

ABSTRACT:
A typical embodiment of the invention provides a means for protecting delte instruments from damage. A flexible membrane separates two chambers in which, during ordinary operation, the fluid pressures are the same. One of the two chambers also serves as a fluid conduit in the system. Pressure loss in the system causes the higher pressure chamber to flex the membrane which closes a port in the fluid conduit chamber, thereby preventing further system pressure loss and consequent equipment damage. The membrane, moreover, can have a small bleed to permit gradual, dampened fluid pressure release.

REFERENCES:
patent: 2960109 (1960-11-01), Wilson
patent: 3083943 (1963-04-01), Stewart et al.
patent: 3390696 (1968-07-01), Dawson

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