Heat exchange – Geographical
Patent
1996-11-15
1998-04-14
Rivell, John
Heat exchange
Geographical
62260, F28D 1500
Patent
active
057381640
ABSTRACT:
An arrangement for effecting an energy exchange between earth soil and an energy exchanger, and including a soil heat exchanger, and supply and return flow conduits for connecting the soil heat exchanger with the energy heat exchanger, with the soil heat exchanger having a thermoinsulated supply pipe arranged in a borehole formed in ground, a pump provided at an end of the flow duct, a shroud pipe surrounding the flow duct and the pump and having a section with a reduced inner cross-sectional area located beneath the pump and provided with a plurality of lateral inlet openings, and a return flow region for return water located radially outwardly of the shroud pipe and including return flow pipe means, connectable with the return flow conduit, and a porous filling, the return flow region communicating, in the vicinity of a borehole bottom, with an interior of the shroud pipe through the lateral inlet openings provided in the shroud pipe section with a reduced inner cross-sectional area.
REFERENCES:
patent: 4372386 (1983-02-01), Rhoades et al.
patent: 4452303 (1984-06-01), Bontje et al.
patent: 4492083 (1985-01-01), McCabe et al.
patent: 4741388 (1988-05-01), Kuroiwa
patent: 5322115 (1994-06-01), Hildebrand
Atkinson Christopher
Geohil AG
Rivell John
LandOfFree
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