Bivalent heating system

Details Bivalent heating system Bivalent heating system

1978-12-26

1982-01-26

Makay, Albert J.

Heating systems

Automatic control

Heat source is a reverse cycle refrigerating system or heat...

165 62, 165 64, 623242, 622383, G05D 2300

Patent

active

043124763

ABSTRACT:
Bivalent heating system having a directly fired heat pump with an absorber and a burner-heated generator disposed in a refrigerant circulation loop, the refrigerant loop being coupled through heat exchanging means to a heating medium loop for space heating and including control means activatable when a predetermined ambient temperature is reached for increasing fuel supply to the burner of the heat pump and for switching circulation in the refrigerant loop from heat pump operation to pure heat exchanger operation.

REFERENCES:
patent: 2004843 (1935-06-01), Wilkes et al.
patent: 2272871 (1942-02-01), McGrath

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