Patents Assigned to CONTROLLED THERMAL TECHNOLOGIES PTY LTD
  • Geothermal loop in-ground heat exchanger for energy extraction
    Patent number: 9541309
    Abstract: A geothermal loop in-ground heat exchanger for energy extraction including an outer tubular casing and an inner tubular portion spaced from the outer tubular casing to define an injection space wherein a working fluid is injected into the injection space at a first temperature, T1 while the heat exchanger is located in a geothermal heat reservoir and the working fluid exits through the inner tubular portion at a second temperature, T2 which is greater than T1.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: January 10, 2017
    Assignee: Controlled Thermal Technologies Pty Ltd.
    Inventor: Rodney Grahame Colwell
  • GEOTHERMAL LOOP IN-GROUND HEAT EXCHANGER FOR ENERGY EXTRACTION
    Publication number: 20150122453
    Abstract: A geothermal loop in-ground heat exchanger for energy extraction including an outer tubular casing and an inner tubular portion spaced from the outer tubular casing to define an injection space wherein a working fluid is injected into the injection space at a first temperature, T1 while the heat exchanger is located in a geothermal heat reservoir and the working fluid exits through the inner tubular portion at a second temperature, T2 which is greater than T1.
    Type: Application
    Filed: November 6, 2014
    Publication date: May 7, 2015
    Applicant: CONTROLLED THERMAL TECHNOLOGIES PTY LTD
    Inventor: Rodney Grahame COLWELL