High efficiency heat exchanger

Details High efficiency heat exchanger High efficiency heat exchanger

1989-09-13

1991-02-26

Makay, Albert J.

Refrigeration

Disparate apparatus utilized as heat source or absorber

With vapor compression system

622386, 237 28, 165 29, F25B 2700

Patent

active

049952412

ABSTRACT:
A heat exchanger as provided in which an outdoor coil circulates a heat-exchange medium therethrough and includes a conventional upper inlet and lower outlet for respectively receiving and discharging the heat-exchange medium. A fan draws ambient air through the outdoor coil during the heating phase of the heat exchanger, and a gas flame generates heat to further increase the temperature of the heat-exchange medium beyond that created by the heat-absorbed from ambient air. A control system is provided for at least at times simultaneously operating the fan and the gas flame. The control system also at times bypasses the outdoor coil at extremely low ambient temperatures.

REFERENCES:
patent: 4112705 (1978-09-01), Sisk et al.
patent: 4429734 (1984-02-01), Vandervaart

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