SPOKANE, Wash., Jan. 03, 2018 (GLOBE NEWSWIRE) -- ("REGI" or "RGUS" or "the Company") The Board of Directors, Regi U.S., Inc. and its wholly owned subsidiary, RadMax Technologies, Inc., are pleased to announce the achievement of a major milestone in the development of the RadMax prototype gas expander.

Recent testing of the RadMax prototype gas expander with compressed air produced predicted torque and power generation at all tested speeds. In the tests, torque produced by the RadMax expander was used to generate measured electric power through the use of a belt driven alternator connected to an adjustable electrical load. Sufficient startup torque was produced by the expander to easily self-start the unit and the alternator. Collected inlet and outlet pressures and temperatures confirmed that the torque created was due to the desired gas expansion process.

Produced torque was also verified using a Prony brake dynamometer. Measurements were taken at start up and at various speeds.

Test findings prove that the RadMax sliding axial-vane technology can be used to create an effective and efficient gas expander. Design enhancements and testing are expected to continue through the first quarter of 2018 to optimize efficiency, materials and collect wear and durability data. Development for integrating electricity producing components directly into the expander will also continue during this time.

The RadMax expander has the unique capability to effectively operate in both gas and gas-liquid states. Proving the RadMax expander concept is the first major milestone in developing the RadMax Two-Phase Expander (TPX) and the Two-Phase Expander Generator (TPXG) which are predicted to extract 10-20 percent of the available pressure-volume energy normally lost in throttling operations.

Initial targeted applications for the RadMax TPX and TPXG are the large commercial markets for air conditioning, refrigeration, natural gas distribution and other applications where throttling valves are commonly used, such as the Petrochemical Industrial sector. We are currently actively pursuing industry leading industry development partners in these market areas.

We encourage all investors and interested parties to follow our progress routinely posted on our website radmaxtech.com.


Regi U.S., Inc.

Paul Chute, CEO


(509) 474-1040, pchute@radmaxtech.com

520 N. Market St. STE # 10

Spokane, WA. 99217-7800


RadMax Technologies, Inc., the wholly owned subsidiary of REGI U.S., Inc., is developing for commercialization multiple improved axial vane type rotary devices using our Patented RadMax Rotary Technology. This Technology allows for revolutionary designs of lightweight and high efficiency engines, compressors pumps and other devices. One current prototype, The RadMax engine, has only two unique moving parts, the vanes (up to 12) and the rotor, compared to the 40 moving parts in a simple four-cylinder piston engine. This innovative design makes it possible to produce up to 24 continuous power impulses per one rotation that is vibration-free and extremely quiet. The RadMax engine also has several capabilities allowing it to operate on fuels including gasoline, natural gas, hydrogen, propane and diesel.  For more information, please visit radmaxtech.com 


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