Geothermal heat exchange unit

Details Geothermal heat exchange unit Geothermal heat exchange unit

1996-01-29

1998-10-06

Leo, Leonard R.

Heat exchange

Geographical

1651341, 62260, F28D 2100

Patent

active

058163140

ABSTRACT:
An improved geothermal heat exchange unit, which can be placed in ground and/or water, has a rigid hollow core about which is formed a helical winding of thermally conductive tube. The return section of the tube extends vertically along a central axis of the core, separated from the inner wall of the core by thermal insulating material. The heat exchange unit is optionally encased in a solid thermally conductive casing and may have a small diameter oil return tube from the lowermost portion of the unit to the suction intake port of a gas compressor. An optional high pressure water hose is attached for installation assistance in wet sand or wet soils.

REFERENCES:
patent: 3183675 (1965-05-01), Schroeder
patent: 3274769 (1966-09-01), Reynolds
patent: 3871444 (1975-03-01), Houser et al.
patent: 4010801 (1977-03-01), Terry
patent: 4741388 (1988-05-01), Kuroiwa
patent: 5025634 (1991-06-01), Dressler
patent: 5224357 (1993-07-01), Galiyano et al.
patent: 5272879 (1993-12-01), Wiggs
patent: 5461876 (1995-10-01), Dressler
patent: 5561985 (1996-10-01), Cochran
patent: 5623986 (1997-04-01), Wiggs

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