Refrigeration – Automatic control – Selective heating or cooling
Patent
1991-02-21
1992-05-05
Wayner, William E.
Refrigeration
Automatic control
Selective heating or cooling
62199, 237 2B, F25B 1300
Patent
active
051096773
ABSTRACT:
For use with a heat pump to increase cold weather heating efficiency, a supplemental heat exchanger and associated refrigerant flow lines for generating additional expanded refrigerant and transferring the additional expanded refrigerant to the heat pump compressor during the cold outside conditions, included isn a monitoring system for detecting and actively regulating the refrigerant pressure and temperature at a location in the supplemental heat exchanger and associated refrigerant flow lines just prior to the refrigerant entering the compressor. The monitoring system automatically connects the supplemental heat pump, to enhance the heating cycle capabilities, and disconnects the supplemental heat pump, when the enhanced heating cycle capabilities are no longer required.
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Ritchey James M.
Wayner William E.
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