Vacuum insulated sorbent driven refrigeration device

Details Vacuum insulated sorbent driven refrigeration device Vacuum insulated sorbent driven refrigeration device

1990-06-13

1991-09-17

Bennet, Henry A.

Refrigeration

Processes

Evaporation induced by sorption

62476, 62103, 62480, F25B 1500

Patent

active

050483013

ABSTRACT:
Disclosed is a self-contained, rapid cooling device that retains heat produced from the cooling process and 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 second chamber forms a vacuum insulation about a third chamber which contains a sorbent. The sorbent in the third chamber is in fluid communication with the vapor and removes the vapor from the first chamber. The device is self-contained because a material in contact with the sorbent removes the heat from the sorbent to prevent the reduction in the cooling effect produced by the first chamber. In addition, a vacuum insulation about the third chamber keeps the heated sorbent from diminishing that cooling effect.

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patent: 3316736 (1967-05-01), Biermann
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patent: 3950960 (1976-04-01), Kawam
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patent: 3970068 (1976-07-01), Sato
patent: 4205531 (1980-06-01), Brunberg et al.
patent: 4250720 (1981-02-01), Siegel
patent: 4682476 (1987-07-01), Payre et al.

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