Process and devices for maintaining the gas contained in a subme

Details Process and devices for maintaining the gas contained in a subme Process and devices for maintaining the gas contained in a subme

1989-07-12

1990-08-28

Rivell, John

Fluid handling

Ambient condition change responsive

Underwater

137 14, 367167, 367172, F16K 1736, H04R 1700

Patent

active

049516981

ABSTRACT:
This invention relates to a device for maintaining the gas contained in a submerged enclosure in pressure equilibrium with the outside, comprising a plurality of deformable bags which are immersed at the same time as said enclosure which are filled with gas compressed to different pressures and which communicate with said enclosure via a manifold on which they are connected by automatic three-way valves.

REFERENCES:
patent: 3868623 (1975-02-01), Abbott
patent: 4074224 (1978-02-01), Laurent
patent: 4151437 (1979-04-01), Tocquet
patent: 4527582 (1985-07-01), Buckle et al.
patent: 4763307 (1988-08-01), Massa

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