Refrigeration – Processes – Exchanging heat between plural systems – e.g. – disparate
Patent
1988-08-12
1990-01-16
King, Lloyd L.
Refrigeration
Processes
Exchanging heat between plural systems, e.g., disparate
622386, 622387, F25B 700
Patent
active
048934763
ABSTRACT:
The invention relates to a three function heat pump system which provides space heating, space cooling and hot water production. The system permits hot water production all year long without operation of the system in the heating or cooling modes. The system also provides a check valve arrangement which allows passage of a refrigerant through the receiver in all three modes without reversing the flow of the refrigerant through the receiver. The valving arrangement also prevents migration of the refrigerant from the liquid receiver to a thermal storage tank during the hot water production mode. In addition, the valve arrangement allows the refrigerant to pass through throttle or expansion valves when the liquid is passing from the liquid receiver to the thermal storage tank and outdoor air coil, while bypassing the expansion valves when the refrigerant passes from the outdoor air coil and the thermal storage tank to the liquid receiver inlet.
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patent: 4199955 (1980-04-01), Jonsson
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patent: 4645908 (1987-02-01), Jones
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patent: 4751823 (1988-06-01), Hans
Bos Willem
Fanciullo Martin
King Lloyd L.
Phenix Heat Pump Systems, Inc.
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