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Motiv Engines introduces 2nd-generation split-cycle concept; MkII Clarke-Brayton heavy-duty engine being designed for LNG

Green Car Congress

The MkII Clarke-Brayton Engine is a boxer-configuration split-cycle engine implementing what Motiv calls the Clarke-Brayton cycle. Motiv suggests that the MkII engine will be up to twice as efficient as a conventional automobile engine and up to 20% more efficient than modern diesel engines. Gas transfer.

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Flight Design to Present New Hybrid Propulsion System for Light Aircraft

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Flight Design GmbH will debut a hybrid engine concept for light aircraft at the upcoming Aero show in Friedrichshafen, Germany (2-5 April). Flight Design developed the concept engine over the past two years with Franz Aircraft Engines. Matthias Betsch, Flight Design CEO.

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

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Design of opposed-cylinder free-piston linear generator from earlier works with single, centered linear generator. Most of this work focused on a similar design: a single linear generator placed between two opposed cylinders, as in the diagram at right from Shanghai Jiaotong. Click to enlarge.

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Concept Engine: Ilmor Engineering to Show Cutaway of 5-Stroke Engine at Engine EXPO

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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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FEV to show compressed natural gas light-duty concept engine with ATAC combustion system at 2011 SAE World Congress

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FEV) a leading developer of advanced powertrain and vehicle technologies, will exhibit a lean burn engine concept at the SAE 2011 World Congress that has been modified to run on Compressed Natural Gas (CNG). FEV Inc., (FEV) Resources. Umierski, Th. Körfer, P.

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Achates Power continues development of opposed-piston technology for US Army vehicles

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The family of engines strategy uses a common power cylinder system across several different engine variants to address a range of power and torque requirements in order to serve multiple military vehicles with a common architecture. The variable flow lube pump helps maintain engine efficiency.

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Novel Fixed Pitch Continuously Variable Transmission for High Torque Applications

Green Car Congress

Independent inventor Ken Hawthorn has been issued a US patent (Patent# 7,713,154) on a Fixed Pitch Continuously Variable Transmission (FPCVT) designed for higher torque applications. The Power Sprocket design also allows for smooth re-engagement of the chain. Tags: Concept Engines Transmissions. Source: Ken Hawthorn.