Encasement assembly for installation of sub-surface refrigerant tubing in a direct exchange heating/cooling system
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United States of America Patent
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Nov 30, 2010
Issued Date -
N/A
app pub date -
Sep 29, 2006
filing date -
Sep 30, 2005
priority date (Note) -
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status (Latency Note)
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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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