Refrigeration – Processes – Circulating external gas
Patent
1993-07-06
1994-05-10
Wayner, William E.
Refrigeration
Processes
Circulating external gas
62173, 621766, F25B 2900
Patent
active
053097254
ABSTRACT:
The system in the present invention is an outside air ventilation cooling and room dehumidification system for use in commercial HVAC applications. The system includes a high-efficiency air filter, chilled water or evaporator precooling coil, a refrigeration compressor, an evaporator coil, a heat exchanger for removing heat and moisture from the air entering the evaporator coil and supplying heat to the air leaving the evaporator coil, a condenser coil located in the discharge airstream that reheats the air, and a fan to move the air through the coils. The heat exchanger can be a phase-change heat-pipe-type heat exchanger; a water cooling/heating coil "runaround loop"; an air-to-air plate-type heat exchanger; or a rotary heat exchanger.
REFERENCES:
patent: 1837798 (1931-12-01), Shipley
patent: 4271678 (1981-06-01), Liebert
patent: 5228302 (1993-07-01), Eiermann
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