Cryogenic, underwater-breathing apparatus

Details Cryogenic, underwater-breathing apparatus Cryogenic, underwater-breathing apparatus

1978-01-23

1980-01-01

Recla, Henry J.

Surgery

Respiratory method or device

Using liquified oxygen

12820522, A62B 706, B63C 1122

Patent

active

041811267

ABSTRACT:
A cryogenic, submersible, synthetic air-breathing system which provides the diver with a proper breathing atmosphere, including provisions for a water-jet propulsion unit to propel the diver to an extended underwater range. The system utilizes liquid oxygen and liquid nitrogen, each stored in respective tanks, whereby the gases pass through a series of heat exchangers, regulators, check valves and a slider valve into which the regulated gases enter a mixing chamber wherein breathable air is generated therein, and then delivered to the diver's face mask--an unmixed portion of the gas being used as the means to power a conventional air motor which, in turn, powers an underwater jet engine.

REFERENCES:
patent: 3368556 (1968-02-01), Jensen et al.
patent: 3524444 (1970-08-01), Ellard et al.
patent: 3941124 (1976-03-01), Rodewald et al.

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