Refrigeration – Refrigeration producer – Sorbent type
Patent
1979-03-12
1981-02-17
King, Lloyd L.
Refrigeration
Refrigeration producer
Sorbent type
F25B 1708
Patent
active
042507200
ABSTRACT:
The invention consists of disposable temperature changing devices which can be stored for unlimited periods without losing their temperature changing potential. Water boiling in an air-evacuated chamber serves as the working liquid. A dessicant in a separate container communicates with the vapor phase of the water, and removes the vapor generated by the boiling water. Unlimited storage of the temperature changing potential of the invention is obtained by the closing of the communication between the containers.
REFERENCES:
patent: 2144441 (1939-01-01), Schlumbohm
patent: 3970068 (1976-07-01), Sato
patent: 4126016 (1978-11-01), Greiner
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