Integrated cooling and breathing system

Details Integrated cooling and breathing system Integrated cooling and breathing system

1976-03-25

1977-05-24

King, Lloyd L.

Refrigeration

Structural installation

With evaporative type cooler

62430, 1281425, F25D 2312, F25D 1100, A62B 700

Patent

active

040247309

ABSTRACT:
A system for providing cooling and breathing to a subject in an uncomforty warm ambient environment such as in an aircraft. A full-length liquid loop garment, which is integral with a nylon fabric underwear-like suit, comprises a capillary-like system of flexible tubing which is filled with a coolant fluid and is attached by means of quick disconnects to a variable speed pump, which circulates the coolant in a continuous loop between the garment and a heat exchanger. As the coolant circulates through the system, heat absorbed from the person is transferred at the heat exchanger to a low temperature oxygen from a liquid oxygen converter, thus assisting complete vaporization of the oxygen and raising its temperature to a level suitable for breathing while providing cooling to the garment. The variable-speed motor may be automatically controlled, or may be manually controlled in order to increase or decrease the rate of flow of the coolant, thus allowing the individual to regulate cooling to his desired level.

REFERENCES:
patent: 3064448 (1962-11-01), Whittington
patent: 3161192 (1964-12-01), McCormack
patent: 3174300 (1965-03-01), Webb
patent: 3279201 (1966-10-01), Wortz et al.
patent: 3343536 (1967-09-01), Brisson et al.
patent: 3500827 (1970-03-01), Paine
patent: 3744555 (1973-07-01), Fletcher
patent: 3869871 (1975-03-01), Rybalko et al.

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