Methods and equipment for geothermally exchanging energy

This device is a ground energy transfer component designed to exchange heat with the earth for an HVAC system. It features a thermally conductive outer tube and a thermally insulative inner tube, arranged coaxially, through which HVAC fluid circulates to transfer heat. The claims specify the outer tube is stainless steel and the inner tube is HDPE plastic.

Why it matters: Advancements in computational fluid dynamics since 2011 have made it easier to model and optimize fluid turbulence for heat transfer. This allows for more precise design and validation of the claimed coaxial tube configuration for improved efficiency.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateCoaxial tubes, specific materials, sealed connections.

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