Heat exchange – Geographical
Reexamination Certificate
2006-09-29
2010-11-30
Ford, John K (Department: 3744)
Heat exchange
Geographical
C062S260000
Reexamination Certificate
active
07841383
ABSTRACT:
An encasement assembly for installing sub-surface refrigerant tubing in a direct exchange heating/cooling system includes a weighted and protective encasement tube for lowering the bottom distal U-bend portion of the refrigerant tubing into a well/borehole. The encasement tube has a main body portion and a rounded or cone-shaped nose. The U-bend portion of the distal end of the refrigerant transport lines is encased within a cementitious grout inside the tube. The grout inside the encasement tube has a flat top portion to prevent upward flotation and at least one eyebolt for securing a trimmie tube with an expendable wire during installation. An optional nose ring is attached to the lower distal end of the tube for marker float attachment in water.
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Brookhaven National Laboratory, Formula for Environment-Friendly Grout Revives Heat Pump Industry in New Jersey and Wins Award for Brookhaven Scientists, Feb. 25, 2000.
Earth To Air Systems, LLC
Ford John K
Miller Matthias & Hull LLP
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