Refrigeration – Processes – Compressing – condensing and evaporating
Patent
1982-08-30
1983-12-06
Capossela, Ronald C.
Refrigeration
Processes
Compressing, condensing and evaporating
62333, 62335, 62467R, F25B 100
Patent
active
044185472
ABSTRACT:
A thermally powered heat transfer system consisting of two closed heat transfer loops which share a compressor which is alternately powered by the refrigerants of the two loops. This system is powered by two heat sources having different temperatures of which the lower temperature heat source may be the heat within a structure to be cooled. An evaporator of the first loop located within the structure to be cooled is charged with a low boiling point refrigerant while an evaporator of the second loop is heated by a higher temperature heat source and is charged with a higher boiling point refrigerant. The heat sinks of the loops are at temperatures between those of the two heat sources. Controls are activated at the completion of each compressor 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 vapor during each cycle of operation of the system to effect useful heat transfer.
REFERENCES:
patent: 3577880 (1971-05-01), Leslie
patent: 3699779 (1972-10-01), Schlichtig
patent: 3823573 (1974-07-01), Cassady
patent: 4281969 (1981-08-01), Doub, Jr.
Capossela Ronald C.
The Saint E. Company, Inc.
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