S-RAM Dynamics to produce state of the art refrigeration system using new CO2 energy recovery compressor

NASHVILLE, Tenn. (February 22, 2016) – The U.S. Army Natick Soldier Systems Center (NSSC) has awarded S-RAM Dynamics a Small Business Independent Research (SBIR) Phase 2 contract for $1 million to build and test a mobile refrigeration system demonstration prototype using the new S-RAM energy recovery compressor that utilizes the natural refrigerant carbon dioxide (CO2). The next generation CO2 refrigeration system will reduce energy consumption of the Army’s mobile refrigeration assets in excess of 50 percent, decreasing fuel consumption for forward operating bases without using synthetic refrigerants. The mobile CO2 demonstration refrigeration system will be installed on the Army’s Multi-Temperature Refrigerated Container System (MTRCS).

The high-performance S-RAM CO2 energy recovery compressor is the enabling technology that makes HVAC, refrigeration and heat pump systems significantly more efficient and climate friendly. The heavily patented energy recovery compressor integrates an axial piston compressor with an opposed axial piston expander to recapture normally lost energy and boost system performance. The energy recovery compressor will be applicable to the millions of refrigerated transport containers that travel road and rail across the nation and world, as well as millions of stationary refrigeration units. This technology is also being used for an external heat recovery engine to generate power as well as an axial internal combustion engine for unmanned systems, such as drones. The S-RAM CO2 energy recovery compressor will be manufactured in Tennessee. “We are pleased the Army recognized the impact of our proprietary CO2 compressor and expander technology to reduce energy consumption while eliminating harmful greenhouse gas emissions,” said S-RAM President Lee Jestings. “This demonstration contract will help accelerate our commercialization efforts for a broad range of refrigeration and heat pump products.”

The S-RAM compressor technology is being developed with the assistance of Purdue University at the Ray W. Herrick laboratories, led by world-renowned compressor expert Professor Eckhard Groll. “We’re excited to be part of testing S-RAM’s technology and to assist S-RAM with commercializing the energy recovery compressor along with the mobile CO2 refrigeration system,” said Dr. Groll, Reilly Professor of Mechanical Engineering at Purdue University. “This cutting-edge technology has the potential of setting a new standard for innovative clean tech products.”

About S-RAM Dynamics:

S-RAM Dynamics, based in Nashville, Tenn., is a privately-held energy technology company focused on commercializing next generation, energy-efficient technologies including natural refrigerant HVAC (heating, ventilation, and air conditioning) applications, waste heat to power engines and power generation axial engines.  The company has 47 patents for its variable power conversion technology and three patents pending. For more information on S-RAM Dynamics, please visit http://www.s-ram.com.

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