Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent
1977-12-28
1979-12-25
Wayner, William E.
Refrigeration
Using electrical or magnetic effect
Thermoelectric; e.g., peltier effect
62160, 62199, 237 2B, F25B 1300
Patent
active
041798945
ABSTRACT:
A dual source heat pump system is disclosed for automatically selecting in either the heating or cooling mode of operation that source which will most efficiently meet the heating or cooling demand required of the system. The heat pump system includes valves located so that the heat exchanger associated with the source not selected can be isolated from the remainder of the system and temporary pumping cycles initiated at the conclusion of a heating or cooling cycle for pumping all the refrigerant into the indoor space exchanger coil. Virtually all the refrigerant charge is thereby maintained in the active portions of the heat pump system while the inactive portion is completely isolated.
REFERENCES:
patent: 2575325 (1951-11-01), Ambrose et al.
patent: 2584573 (1952-02-01), Gay
patent: 2689090 (1954-09-01), Wetherbee et al.
patent: 4030312 (1977-06-01), Wallin et al.
Wayner William E.
Wylain, Inc.
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