Patent Number: 8,820,394

Title: Convection enhanced closed loop geothermal heat pump well

Abstract: An energy transfer system for transferring energy between the earth and a facility comprising a well bore at least partially filled with groundwater, a center pipe having a top end and a bottom end disposed in the well bore and having a plurality of apertures for allowing the ingress and egress of groundwater, a pump disposed within the center pipe for facilitating a flow of groundwater through the apertures, and a closed source loop disposed in the well bore, the source loop including at least one source loop pipe extending adjacent the center pipe in said well bore and containing a working fluid for absorbing or transmitting thermal energy.

Inventors: Azzam; Dean H. (Hartford, CT)

Assignee: Aztech Engineers, Inc.

International Classification: F24J 3/08 (20060101); F25D 23/12 (20060101); F25B 13/00 (20060101); F25B 5/00 (20060101); F03G 7/00 (20060101); F01K 27/00 (20060101)

Expiration Date: 9/02/12018