Concept Engine Exhaust Powered 
Green Car Congress
JANUARY 28, 2021
Achates Power was recently awarded a $5-million contract from the US Army to expand the family of opposed-piston engines for military vehicles. The project, awarded in late-2020, builds upon the success of the Advanced Combat Engine (ACE). Major, vice president, Achates Power. Achates Power is partnered with Cummins, Inc.
Green Car Congress
MAY 7, 2009
Rendering of the Ilmor 5-stroke concept engine. Ilmor Engineering will present a new cutaway version of the Ilmor 5-stroke concept engine at the upcoming Engine EXPO 2009, 16-18 June, in Stuttgart, Germany. The 5-stroke concept engine is a self-funded proof of concept. Click to enlarge.
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Green Car Congress
MAY 8, 2014
It expands all the way to ambient pressure before the exhaust stroke. The power is produced in almost a 50-50 split between the combustion (central) and exhaust (largest) pistons. We have taken what we learned from our first engine and applied it to the new design. This enables a higher power density.
Green Car Congress
APRIL 17, 2013
Achates Power, which is developing a family of two-stroke, compression-ignition (CI) opposed-piston (OP) engines, has designed and is developing a light-duty diesel concept engine, the OP4. liter OM651 Euro 5 engine, said Fabien Redon VP, Technology Development at Achates Power, the OP4 design shows a modeled 13.5%
Green Car Congress
OCTOBER 18, 2012
Alexander Shkolnik, President and CEO, at the SAE High Efficiency IC Engine Symposium earlier this year, earlier post )—is a 40 hp (29 kW) multi-fuel capable rotary engine that requires no valves, cooling systems, radiators, mufflers, or other components.
Green Car Congress
DECEMBER 1, 2014
The H-shaped engine comprises parallel left-side and right-side vertical inline piston banks, each having a crankshaft and pistons, a cylinder head, and individual fuel feeds, but sharing a common power transmission system. The selector control actuates a transfer system that prevents simultaneous operation of both engines.
Green Car Congress
OCTOBER 25, 2010
The turbocharged concept allows reaching engine speeds of 6,000 rpm, with a high indicated efficiency of 45% along with clean combustion; power density at 6,000 rpm is 64 kW, with 300 kPa intake pressure. Thus the HCPC range can extend to all engine operating conditions, including very high loads. Tamagna, D., Gentili, R.
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