Fluid delivery system incorporating elastomeric check valve

Details Fluid delivery system incorporating elastomeric check valve Fluid delivery system incorporating elastomeric check valve

1984-03-28

1985-07-02

Weakley, Harold W.

Fluid handling

Destructible or deformable element controlled

Destructible element

137 71, 137112, 137860, F16K 1304

Patent

active

045261890

ABSTRACT:
A valve useful for connecting a source of fluid under pressure to a using apparatus upon actuation of an explosive squib. The connecting structure includes an outer tube of soft material within which there is disposed an additional tube of material having a frangible area. The inner and outer tubes define an annular space and an inner tubular space. One of the spaces is connected to the source of fluid under pressure, while the other of the spaces is connected to the using apparatus. Particularly, the inner tubular space is connected to a source of gas under pressure, while the outer annular area is connected to the using apparatus. Upon actuation of the squib the inner frangible tube is broken at the frangible area upon a bending of the outer tube without its fracturing thereby connecting the source of fluid under pressure to the using apparatus, while at the same time isolating the products of combustion of the squib. An elastomeric check valve closes a port provided for periodic testing except when test fluid under pressure is applied.

REFERENCES:
patent: 2588306 (1952-03-01), Taylor
patent: 3416548 (1968-12-01), Bach
patent: 4181139 (1980-01-01), Martini
patent: 4214607 (1980-07-01), Bouteille
patent: 4480653 (1984-11-01), Vandenburg

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