Breathing bag system for closed circuit breathing apparatus

Details Breathing bag system for closed circuit breathing apparatus Breathing bag system for closed circuit breathing apparatus

1977-05-23

1979-05-15

Recla, Henry J.

Surgery

Truss

Pad

128191R, 128202, A62B 700

Patent

active

041542347

ABSTRACT:
This breathing bag system has exhalation and inhalation bags connected by a carbon dioxide absorption canister. The exhalation bag has therein an oxygen inlet port connectable to a chemical oxygen generator and a relief valve for overpressurized gas within the exhalation bag. The two bags are large in volume and surface area and flexible so as to provide a flexible volume sufficient to store an amount of gas sufficient to support the user, to cool the gas which is received hot due to the exothermic reactions of O.sub.2 generation and CO.sub.2 absorption, and to minimize the of the system.

REFERENCES:
patent: 3877425 (1975-04-01), O'Neill

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