Accession Number : ADD001300

Title :   Life Support System.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Rein,Charles R

Report Date : 27 Aug 1974

Pagination or Media Count : 9

Abstract : The patent discloses a closed cycle HeO2 cryogenic underwater life support system. It includes a breathing gas rejuvenation process, wherein helium gas is added thereto to maintain proper breathing gas pressures at various and sundry water depths. Carbon dioxide and water are removed, and life-sustaining oxygen gas is added thereto from liquid oxygen cooled to cryogenic temperatures by means of a cryogenic chamber and refrigeration apparatus. Controlled heating equipment is also disclosed for the purpose of maintaining proper temperatures in breathing gas rejuvenation process, as well as in the diver's suit.

Descriptors :   *Patents, *Life support, *Breathing apparatus, Helium, Diver equipment, Cryogenics

Subject Categories : Marine Engineering
      Life Support Systems

Distribution Statement : APPROVED FOR PUBLIC RELEASE