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Circulating Device For Closed Circuit Respiratory System

Report Number: AMRL TDR 64-8
Author: Jennings, Charles C.
Corporate Author: Sawyer (A J) Co Inc Strykersville N Y
Laboratory: Biomedical Laboratory
Date of Publication: 1964-02
Pages: 23
Contract: AF 33(657)-9019
Project: 6373
Task: 637302
AD Number: AD0600467

This report covers one type of circulating device for use in a closed circuit respiratory system. Circulation is required in a closed system to remove carbon dioxide, add oxygen, remove moisture, and cool recirculating gases. The device is a single-stage, centrifugal-type blower capable of discharging 12 CPM of oxygen against a back pressure of 25 inches of water. It is powered by a 28-volt D.C. Motor. Power supply is a silver cell battery. Flow control is maintained electrically by a rheostat.

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