Refrigeration – Structural installation – Geographic – e.g. – subterranean feature
Reexamination Certificate
2004-05-19
2010-11-30
Jiang, Chen-Wen (Department: 3744)
Refrigeration
Structural installation
Geographic, e.g., subterranean feature
C165S045000
Reexamination Certificate
active
07841200
ABSTRACT:
A direct expansion geothermal heat exchange system with spacer fins attached to at least one of a sub-surface refrigerant transport tubing containment pipe and to sub-surface refrigerant transport tubing, so as to ensure the sub-surface pipe/tubing does not come into direct contact with the ground and is surrounded/encased by a thermally conductive grout that is resistant to corrosive sub-surface elements.
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Earth to Air Systems, LLC
Jiang Chen-Wen
Miller Matthias & Hull LLP
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