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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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Motiv Engines, LLC introduced the second-generation of its engine concept dubbed the MkII Clarke-Brayton Engine, which it intends to develop into a heavy-duty on-highway engine fueled by liquid natural gas (LNG). The technology for the MkII Clarke-Brayton Engine originated at Caterpillar, Inc. Graves, R.

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New split-cycle concept to control diesel HCCI combustion

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A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines. SAE 2010-01-2107. —Musu et al.,

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Grail Engine Adopts Enerpulse Pulse Plugs for Forced Semi-Homogeneous Charged Compression Ignition in Concept Two-Stroke Engine

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In different configuration the same displacement 1-liter engine can yield 200 hp [149 kW] and 180 lb-ft [244 N·m] of torque. The first 2-cylinder advanced prototype of the Grail Engine will be available for demonstration and testing in the 4th quarter 2010. Elements of the Grail Engine. Matthew Riley. Click to enlarge.

Engine 186
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ETI announces £2.5M lower drivetrain HDV efficiency project

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In March, ETI commissioned the first project in the £40m Heavy Duty Vehicle (HDV) Efficiency Program—a £3-million effort with Caterpillar on the concept engineering of a range of innovative and efficient land vehicles. This project builds upon the HDV Efficiency Focus Area feasibility study completed in 2010.

Mariner 231
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ORNL Researchers Find Thermochemical Exhaust Heat Recuperation In Internal Combustion Engines Could Provide Substantial Boosts in Second-Law Efficiency

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Thermochemical exhaust heat recuperation (TCR) in an internal combustion engine could result in substantial boosts in second-law efficiency (as measured in terms of single-stage work output from an ideal IC engine) for a range of fuels, according to a new study by researchers at Oak Ridge National Laboratory (ORNL). Conklin (2010).

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SEC issues cease-and-desist order against split-cycle engine developer Scuderi Group for violations of Securities Act

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In PPMs dated December 21, 2007 and January 25, 2010 that Mr. Scuderi prepared, Scuderi Group said that it planned to use the net proceeds from the offerings “for general corporate purposes, including working capital.” Concept Engines Engines Fuel Efficiency Market Background'

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Scuderi Group Unveils Cutaway Model of First Production Prototype of Split Cycle Engine

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The engine is packaged as a research engine, with easy access for instrumentation, a balancer shaft, etc., The Scuderi Group unveiled a cutaway model of the first proof-of-concept prototype for its Scuderi Split-Cycle Engine ( earlier post ) at the SAE World Congress in Detroit. Engine speed. Click to enlarge.

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