Air-to-air heat pump

Details Air-to-air heat pump Air-to-air heat pump

1978-05-11

1979-08-07

Wayner, William E.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62208, F25B 2700

Patent

active

041633695

ABSTRACT:
A device to increase the efficiency of a conventional, air-to-air heat pump in the heating mode when the outside temperature falls below a selected value comprising a solar evaporator coil in refrigerant flow communication with the refrigerant connecting lines of the heat pump between the indoor condenser and the compressor to supply the additional heating capacity. Means are provided for selectively directing refrigerant through the solar evaporator coil when the temperature of the air surrounding the solar evaporator coil rises to a predetermined level and the temperature or pressure of the refrigerant within the heat pump connecting lines falls to a preselected point.

REFERENCES:
patent: 2693939 (1954-11-01), Marchant et al.
patent: 4030312 (1977-06-01), Wallin et al.

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