Heat exchange – Geographical
Patent
1982-09-22
1985-05-14
Richter, Sheldon J.
Heat exchange
Geographical
62260, 165140, 165146, F24J 302, F28F 1314
Patent
active
045166293
ABSTRACT:
The heat exchanger unit is highly efficient in operation and is so constructed as to permit rapid installation in and removal from the earth at small size sites of desired use of the heat pump system. The unit includes a freon-conducting coil assembly preferably comprised of a plurality of concentric coils defining parallel flow paths for the fluid conducted to and from the heat exchanger unit during operation of the system. In one embodiment the coils are preferably formed of tubing of differing diameters, and the convolutions of each coil are preferably spaced from one another and from the other coils of the assembly. The coil assembly may be enclosed by an impervious cylindrical casing to and from which anti-freeze liquid may be readily conducted while the heat exchanger unit is situated entirely below ground level. Water supply means may be provided in association with the heat exchanger unit to maintain the soil adjacent thereto in a moist condition. In another embodiment there is no outer casing and water flows through an inner coil and exits along one side of the exchanger to provide a cooling effect on the outer freon carrying coil. Couplings of a fluid retentive and quickly connectable and disconnectable type releasably connect the heat echanger unit to aboveground components of the heat pump system and one or more heat exchangers may be coupled to provide additional capacity as required.
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Brochure, "Ground Water Heat Pumps"; Copyright 1978, National Water Well Association, Worthington, Ohio.
Six reference pages from untitled publications about heat pumps and ground condensers, said reference pages are believed to have been published at least one year before applicant's invention and are numbered 1 through 6.
Richter Sheldon J.
Thermal Concepts, Inc.
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