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ECONAMIQ: Flexible over-expansion with cylinder deactivation can reduce ICE fuel consumption by up to 20%

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The company presented its first results at the annual ASME ICEF (Internal Combustion Engine Fall) conference in Chicago. An adaption of cylinder de-activation technique called ECONAMIQ over-expansion can be applied to engines to improve fuel efficiency.

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Michigan State University Receives $2.5M ARPA-E Award to Build Wave Disc Engine/Generator for Series Hybrid Applications

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Since heat release increases pressure inside the channel, opening the outer channel end generates an outflow of the exhaust gases. Janusz Piechna, Pezhman Akbari, Florin Iancu, Norbert Müller (2004) Radial-Flow Wave Rotor Concepts, Unconventional Designs and Applications (IMECE2004-59022). Hîrceagã, M.,

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

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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. Transfer from the combustion cylinder to the exhaust cylinder takes place when the exhaust cylinder volume is minimal. 27-1, book G1011A, 1996.

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Liquid Air Energy Network forms in UK; focus on transportation and energy storage

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The UK Centre for Low Carbon Futures published a multi-partner research report— Liquid Air in the energy and transport systems: Opportunities for industry and innovation in the UK —and presented the results at a a conference at the Royal Academy of Engineering in London. High efficiency internal combustion engine.

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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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