Refrigeration – Intermediate fluid container transferring heat to heat...
Patent
1975-12-31
1976-12-21
King, Lloyd L.
Refrigeration
Intermediate fluid container transferring heat to heat...
165 18, F25D 1100
Patent
active
039980715
ABSTRACT:
An above-ground insulated tank adapted to be filled with water has a hollow upper wall with air ducts from which a first set of flexible air discharge pipes extends downward a short distance. Disposed near the bottom wall of the tank is a second set of perforated air discharge pipes of cruciform shape permitting air to bubble upward therefrom. A third set of unperforated flat-spirally-coiled air pipes is disposed beneath the second set and rests on the bottom of the tank and is composed of copper for high heat conductivity. Rising from the top wall of the tank and communicating therewith is an air inlet stack and an air outlet stack disposed side-by-side above, and in communication with, an air control housing containing three air chambers and provided with multiple motor-driven air blowers. Dampers or flap valves control the directional flow of air into and out of the tank depending upon whether the air is being blown into the tank in the wintertime to freeze water to ice or out of the tank through the coil pipes in the summertime to cool the greenhouse atmosphere. Suitable temperature-responsive switches control the operation of the blower motors so as to maintain the greenhouse atmosphere at a suitable temperature. A portable air compressor is adapted to be connected to the cruciform second set of perforated pipes to additionally force cold air therethrough to freeze the water in the wintertime.
REFERENCES:
patent: 1580455 (1926-04-01), Swan
patent: 3156101 (1964-11-01), McGuffey
patent: 3450194 (1969-06-01), Barthel
Bugbee Willis
King Lloyd L.
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