Refrigeration – Structural installation – Geographic – e.g. – subterranean feature
Reexamination Certificate
2006-12-12
2006-12-12
Ali, Mohammad M. (Department: 3744)
Refrigeration
Structural installation
Geographic, e.g., subterranean feature
Reexamination Certificate
active
07146823
ABSTRACT:
A sub-surface geothermal direct exchange sub-surface tubing installation means, comprising situating certain specified tubing sizes for certain specified horizontal distances and for certain specified depths within each of a horizontally oriented trench and a vertically oriented well/borehole, as well as comprising a tubing installation means to increase the efficiency of any direct expansion system by means of adding at least one additional liquid refrigerant transport line segment within at least one of a well/borehole and a trench, together with a certain amount of insulation at specified locations, as well as comprising a means of surrounding horizontally oriented sub-surface refrigerant transport heat exchange tubing with a protective solid grout, with the operative system refrigerant being comprised of a refrigerant with system operating pressures at least 10% greater than R-22.
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Ali Mohammad M.
Earth To Air Systems, LLC
Waddey & Patterson , P.C.
Walker Phillip E.
LandOfFree
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