Skip to Content
Find More Like This
Return to Search

Liquid metal heat exchanger for efficient heating of soils and geologic formations

United States Patent

February 23, 2010
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Liquid Metal Heat Exchanger for Geologic Deposits
Apparatus for efficient heating of subterranean earth includes a well-casing that has an inner wall and an outer wall. A heater is disposed within the inner wall and is operable within a preselected operating temperature range. A heat transfer metal is disposed within the outer wall and without the inner wall, and is characterized by a melting point temperature lower than the preselected operating temperature range and a boiling point temperature higher than the preselected operating temperature range.
DeVault; Robert C. (Knoxville, TN), Wesolowski; David J. (Kingston, TN)
UT-Battelle, LLC (Oak Ridge, TN)
11/ 536,988
September 29, 2006
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH The United States Government has rights in this invention pursuant to contract no. DE-AC 05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.