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Achates Power developing light-duty two-stroke opposed-piston diesel engine: the OP4

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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%

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LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

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(LPI), the developer of engines based on its High Efficiency Hybrid Cycle (HEHC)( earlier post ), introduced the latest version of its X-series of rotary engines embodying HEHC at the US Department of Energy’s (DOE) 2012 Directions in Engine-Efficiency and Emissions Research (DEER) Conference in Dearborn, Michigan.

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Novel opposed-piston free-piston linear generator for hybrids seeks to overcome drawbacks of earlier designs

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Secondly, the central combustion chamber is benefit for highly efficient scavenging via intake and exhaust ports without using valves. —Ling Huang 2012. Huang 2012. Furthermore, natural gas will be investigated as the fuel of the system. Click to enlarge. —Huang et al.

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