Closed circuit, free-flow underwater breathing system

Details Closed circuit, free-flow underwater breathing system Closed circuit, free-flow underwater breathing system

1975-11-14

1977-05-31

Michell, Robert W.

Surgery

Truss

Pad

A62B 700

Patent

active

040262839

ABSTRACT:
Method and apparatus entailing an underwater breathing system in which (1) a continuously flowing supply of reconditioned gas is supplied to a diver through flexible umbilical means extending from an underwater enclosure, in which (2) a return tank means receives gas from the umbilical means and a supply tank means supplies reconditioned gas to the umbilical means, in which (3) both the return tank means and supply tank means are located remote from the diver, and (4) in which a surface located source of breathable gas is continuously available.

REFERENCES:
patent: 3524444 (1970-08-01), Ellard
patent: 3859994 (1975-01-01), Almquist et al.

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