Refrigeration – Structural installation – Geographic – e.g. – subterranean feature
Reexamination Certificate
2006-12-11
2010-12-28
Ali, Mohammad M (Department: 3784)
Refrigeration
Structural installation
Geographic, e.g., subterranean feature
C165S045000
Reexamination Certificate
active
07856839
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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Ali Mohammad M
Earth To Air Systems, LLC
Miller Matthias & Hull LLP
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