Carbon dioxide absorbent canister with breathing gas temperature

Details Carbon dioxide absorbent canister with breathing gas temperature Carbon dioxide absorbent canister with breathing gas temperature

1981-01-22

1982-09-21

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

For deodorizing of, or chemical purification of, or...

Including solid, extended surface, fluid contact reaction...

55269, 55387, 55DIG33, 12820415, 12820417, 12820512, 12820528, 422120, 422200, A62B 710, A61M 1500, B01D 5314

Patent

active

043506623

ABSTRACT:
A carbon dioxide scrubber device for use in a closed or semi-closed breatg gas circuit in an underwater breathing apparatus having a low rate of gas flow includes a canister having a plurality of spaced, coaxial walls that are heated by associated helical water flow heat exchangers and define axial gas flow chambers in which particulate carbon dioxide absorbent material is confined in contact with the heated walls. The heat exchangers are served by common supply and drain lines through water flow controlling connectors having flow dividing and uniting orifices.

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patent: 4193966 (1980-03-01), Dowgul

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