Low temperature breathing apparatus

Details Low temperature breathing apparatus Low temperature breathing apparatus

1976-08-09

1977-12-13

Michell, Robert W.

Surgery

Respiratory method or device

Ozone or ion generation

A61M 1500

Patent

active

040623599

ABSTRACT:
A breathing apparatus for use by mountain climbers and others operating in low temperature atmospheres utilizes body heat and perspiration to warm and humidify the air from the atmosphere as it is inspired by the user. A hose-like element is positioned adjacent to the body and inside the clothing. The element is of a porous construction to permit passage of air and equipped with auxiliary holes for the same purpose. An inlet valve connects to the outer atmosphere and a filter and a connector lead to a face mask positioned against the nose and mouth of the user. An outlet check valve completes the apparatus.

REFERENCES:
patent: 2317237 (1943-04-01), Wilen
patent: 3491754 (1970-01-01), Weese
patent: 3707966 (1973-01-01), Nebel

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