CTL Electronics, Inc.


2004 Coleman Free Piston Stirling Cooler

The Coleman Free Piston Stirling Cooler examined. Sold as a cooler or freezer it could could also heat water at the same time, all with a power consumption of 12 VDC, 48W (4A).

For more information check out these links:

Coleman: Coleman¨ Stirling Power Cooler Product Manual
Global Cooling Inc.: Home page

Related links:

WhisperGen: products page
A micro combined heat and power system based on a Stirling external combustion engine. Quiet, clean burning and extremely efficient ...

DEKA Research: Core Technologies
Dean Kamen: article

NASA Glenn Research Center: Stirling

Click on pictures for larger images.

The cooler before disassembly.

Removing the front cover.

Peeling away the insulation on the plumbing and disconnecting the it from the top of the machine by removing five bolts.

Removing the plastic shell and fan to examine the "Free Piston Stirling Cooler".

The controls, power supply and circuit board reconnected to examine the Free Piston Stirling Cooler running.

Here are two short movies of it running. It's very quiet.