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Thermally exposed, centrally insulated geothermal heat exchange unit

  • US 6,789,608 B1
  • Filed: 04/22/2002
  • Issued: 09/14/2004
  • Est. Priority Date: 04/22/2002
  • Status: Expired due to Fees
First Claim
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1. A geothermal heat exchange unit comprising at least one sub-surface fluid transport supply line and at least one sub-surface fluid transport return line, with the at least one fluid transport supply line and the at least one fluid transport return line being separated from each other by means of a thermal insulation material, but where the at least one fluid transport supply line and the at least one fluid transport return line are in thermal contact with respective adjacent sub-surface geothermal mass surroundings by means of a non-corrosive, thermally conductive, fill material inserted as necessary to fill any void space in the areas where the respective at least one fluid transport supply line and the respective at least one fluid transport return line are located between the thermal insulation material and the adjacent sub-surface geothermal mass surroundings.

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