Breathing gas heater for use by a diver comprising double walled

Details Breathing gas heater for use by a diver comprising double walled Breathing gas heater for use by a diver comprising double walled

1975-03-31

1977-03-29

Freeh, William L.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

128212, 165135, F28D 1300

Patent

active

040143848

ABSTRACT:
A self-contained, portable breathing gas heating system to be used by a diver for submersion in a cold environment consisting of a heat exchanger in an insulated container and a preheated liquid through which the breathing gas circulates in tubing connecting the breathing gas source (tank) to the breathing outlet which is secured in the mouth of the diver.

REFERENCES:
patent: 1132138 (1915-03-01), Whitney
patent: 3107669 (1963-10-01), Gross
patent: 3195620 (1965-07-01), Steinhardt
patent: 3315846 (1967-04-01), Landis et al.
patent: 3443632 (1969-05-01), Sauer
patent: 3492461 (1970-01-01), Lawrence

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