Permafrost support system and method for vacuum-insulated pipe
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United States of America Patent
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Jan 20, 2004
Grant Date -
Jul 4, 2002
app pub date -
Nov 16, 2001
filing date -
Nov 16, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for supporting pipe within soil or fill material which minimizes positional disturbances of the pipe despite seasonal fluctuations in atmospheric temperature is provided. The system provides a length of double walled pipe, a support member placed in the soil or fill material and a wicking device which transfers energy between the inner pipe of the double walled pipe which is typically full of a cryogenic fluid and the support. The energy transfer stabilizes the soil or fill material, typically by freezing.
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