Temperature changing device improved evaporation characteristics

Details Temperature changing device improved evaporation characteristics Temperature changing device improved evaporation characteristics

1988-06-22

1990-02-20

Bennet, Henry A.

Refrigeration

Processes

Evaporation induced by sorption

62480, F25B 1500

Patent

active

049015354

ABSTRACT:
Disclosed is a self-contained, rapid cooling device that can be stored for indefinite periods without losing its cooling potential. A liquid in a first chamber undergoes a change of phase into vapor which cools the first chamber. A sorbent in a second chamber is in fluid communication with the vapor and removes the vapor from the first chamber. The cooling process is facilitated by providing the interior surface of the first chamber with a wicking material to retain the largest possible contact between the liquid and the first chamber as the level of the liquid lowers during the vaporization process. A phase separator and a porous space-filling wick prevent unvaporized liquid from passing into the second chamber.

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