Refrigeration – Processes – Compressing – condensing and evaporating
Patent
1984-09-27
1985-08-27
Capossela, Ronald C.
Refrigeration
Processes
Compressing, condensing and evaporating
62467, F25B 100
Patent
active
045370362
ABSTRACT:
A thermally powered heat transfer system consisting of two closed heat transfer loops which share a compressor which is powered alternately by the refrigerants of the two loops. This system is powered by a single heat source with a portion of the heat from that heat source being transferred at a higher temperature to a structure to be heated, the balance being transferred to a low temperature external heat sink. The first loop includes an evaporator and the condenser within the structure to be heated, and is charged with a first refrigerant. The second loop includes an evaporator and a condenser located so as to transfer heat to an external heat sink. The second loop is charged with a refrigerant having a lower boiling point than the refrigerant in the first loop. Controls are activated at the completion of each compresor stroke or cycle to alternately open and close valves which regulate vapor and liquid flows to cause the compressor to act with compressive force upon one or the other refrigerant vapors during each cycle of operation of the system to effect useful heat transfer.
REFERENCES:
patent: 3699779 (1972-10-01), Schlichtig
patent: 3763663 (1973-10-01), Schlichtig
patent: 4120172 (1978-10-01), Pierce
patent: 4418547 (1983-12-01), Clark, Jr.
patent: 4450690 (1984-05-01), Clark, Jr.
Capossela Ronald C.
Hughes Edward W.
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