Method and means for applying a heat exchanger in a drill hole f

Details Method and means for applying a heat exchanger in a drill hole f Method and means for applying a heat exchanger in a drill hole f

1987-12-29

1989-09-19

Ford, John

Heat exchange

Regenerator

Checker brick structure

165 45, 165 76, 62260, F24D 2312

Patent

active

048672297

ABSTRACT:
A method for applying a heat exchanger in a drill hole and an apparatus for carrying out such method, comprising the steps of lowering at least one pair of heat-exchanging pipes helically wound and spaced apart by expandable spacers into a drilled hole and expanding the pipes into contact with the wall of the drilled hole by turning such pipes in the spiralled direction.

REFERENCES:
patent: 1823661 (1931-09-01), O'Brien
patent: 2554661 (1981-05-01), Clancy
patent: 3183675 (1965-05-01), Schroeder
patent: 4286366 (1981-09-01), Vinyard
patent: 4448238 (1984-05-01), Singleton, Jr. et al.
patent: 4715429 (1987-12-01), Morgensen
patent: 4741388 (1988-05-01), Kuroiwa

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