Heat exchange – Flexible envelope or cover type
Patent
1991-01-07
1993-04-13
Davis, Jr., Albert W.
Heat exchange
Flexible envelope or cover type
16510421, 622593, 62333, 62 4, 128400, F25D 312, A61F 702
Patent
active
052013650
ABSTRACT:
The invention consists of a cooling system that can be worn and travel with the person using the cooling system. Flexible inter-communicating containers (such as coils), are adapted to fit body contour and function as heat removers. The containers are incorporated into clothing, or applied directly to the body. Water under a vacuum in the containers boils at low temperature and removes body heat. Vapor generated by the boiling water re-condenses into water in a communicating portable cold container, which is cooled by portable ice packs, or by endothermic chemical reactants. The degree of cooling can be controlled by regulation of the degree of the communication between the the heat remover containers and the cold condenser container. The re-condensed water returns spontaneously to the heat remover containers by force of gravity. The cooling device can be incorporated into any object which forms a direct or an indirect contact with a person using the device, such as medical casts, and cold compresses.
REFERENCES:
patent: 2648325 (1953-08-01), Siple
patent: 3738702 (1973-06-01), Jacobs
patent: 4296796 (1981-10-01), Siple
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