Direct exchange geothermal heating/cooling system sub-surface tubing installation with supplemental sub-surface tubing configuration
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United States of America Patent
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Dec 28, 2010
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N/A
app pub date -
Dec 11, 2006
filing date -
Jun 22, 2004
priority date (Note) -
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Abstract
A sub-surface tubing arrangement for use in a direct exchange (DX) geothermal heating/cooling system includes a primary sub-surface liquid refrigerant transport line, a primary sub-surface vapor refrigerant transport line, at least one sub-surface heat exchange refrigerant transport line functionally connecting the primary sub-surface liquid refrigerant transport line to the primary sub-surface vapor refrigerant transport line, and either vertical or horizontal supplemental sub-surface refrigerant line connected to one of the primary sub-surface liquid or vapor refrigerant transport lines.
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