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

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Section of the MkII Clarke-Brayton split-cycle engine. 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).

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

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Concept Engines Engines HybridsDesign of opposed-cylinder free-piston linear generator from earlier works with single, centered linear generator. Click to enlarge.

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

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liquid air) Dearman piston engine. Source: Dearman Engine Company. The expansion of the liquid air when heat is reintroduced can be used to drive a piston engine or turbine to do useful work. Sources of low-grade waste heat include power stations to factories to vehicle engines.

DOE to award $55.8M for advanced vehicle technologies; $35M for fuel cell and hydrogen

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Topics addressed include: advanced batteries (including manufacturing processes) and electric drive R&D; Lightweight materials; Advanced combustion engine and enabling technologies R&D; and Fuels technologies (dedicated or dual-fuel natural gas engine technologies). Developing a simulation model database of commercially available cells to enable wider evaluation and adoption of computer aided engineering tools for the design of battery packs and cells.

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

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Isuzu D201 35 hp diesel engine (left) and the LiquidPiston 40 hp X2 Prototype (right). Other features of the X2 include: Quiet operation: engine lacks poppet valves and over-expansion minimizes exhaust noise. to the thermodynamics, not to a particular engine.

New split-cycle concept to control diesel HCCI combustion

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Turbocharged HCPC engine scheme. Ettore Musu from the University of Pisa presented a CFD study of concept at the SAE 2010 Powertrains, Fuels and Lubricants Meeting in San Diego. Thus the HCPC range can extend to all engine operating conditions, including very high loads.

Concept: modular EV-hybrid features battery and engine swapping

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The car can change between a rear engine-pack (red) and a larger battery-pack (green) to enable hybrid or full EV operation. A Romanian team—Dan Scarlat (automotive journalist), Marian Cilibeanu (designer) and Cristian Ionescu (engineer)—are proposing the SCI hyMod modular concept car. Two modules are proposed: one that includes batteries, called “battery-pack” and the second one that includes an engine and transmission, called “engine-pack”.

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. Ilmor is a UK-based independent engine design, development, testing and manufacturing company, founded in 1984 by Mario Illien, Paul Morgan and Roger Penske. The 5-stroke concept engine is a self-funded proof of concept.

Orbital Corporation and Changan to Develop Concept Engine

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The ChangAn CA18 FlexDI Concept Engine shown at Auto China 2008. Ltd, China’s fourth largest automotive manufacturer, have entered into a joint development contract for a concept engine. Tags: China Engines

Start-up Eco-Motive developing dual-fuel “H” engine; parallel, independently fueled piston banks

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The H-engine—basically two separate engines housed within the same engine block—comprises two switchable parallel piston banks, independently fueled by gasoline and CNG. The selector control actuates a transfer system that prevents simultaneous operation of both engines.

Libertine FPE builds demo prototype of linear free piston generator

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UK-based Libertine FPE has built a demonstration prototype of its linear electrical machine for what it is calling “Digital Piston Motion Control” in free piston engine applications. This technology will allow researchers to develop future combustion engines free from the piston motion constraints dictated by the crankshaft. Piston motion is the final major engine parameter that remains to be digitally controlled by the ECU rather than mechanically governed.

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). The engine is designed for use in light-duty vehicles, and demonstrates the potential of modifying passenger vehicle engines to achieve diesel-like fuel efficiency and power using CNG as an alternative fuel. This engine demonstrates a potential near-term solution.

Novel Fixed Pitch Continuously Variable Transmission for High Torque Applications

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While most push belt type CVTs fail at around 300 N·m (221 lb-ft) of torque, he says, the FPCVT in this patent will be best suited for the market of 300 N·m+ engines. Tags: Concept Engines Transmissions

Scuderi Releases Video Footage of Running Split-Cycle 1L Prototype

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Simplified pressure-volume curve for the Scuderi Engine. Scuderi Group, LLC has released the first video footage (with sound) of its split-cycle Scuderi Engine prototype running, on its own, in the laboratory test cell. P-V curve for the Scuderi Engine. The Scuderi Engine.

RadMax Axial Vane Rotary Diesel Engine Drawings Released for Bid

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have completed a final set of manufacturing drawings for the RadMax Diesel Engine, and have released them competitive bid. The companies are developing an improved axial vane type rotary engine known as the RadMax. and the Fortune 1000 company engineers. Rad Max assembly.

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

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Schematic model of a wave disk engine, showing combustion and shockwaves within the channels. The wave disc engine, a new implementation of wave rotor technology, was earlier developed by the Michigan State group in collaboration with researchers from the Warsaw Institute of Technology.

Concept: Garric Rotary Variable Compression Ratio Engine

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Basic components of the Garric engine. A pair of Florida entrepreneurs, Rick Ivas and Gary Kelley, are developing the concept of the Garric engine: a rotary, variable compression ratio engine promising a combination of high power and torque and low fuel consumption.

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

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Rendering of the Grail Engine. Grail Engine Technologies , the designer of a two-stroke engine using forced semi-homogeneous charged compression ignition (FS-HCCI) combustion, has adopted the Pulstar pulse plugs from Enerpulse ( earlier post ). Elements of the Grail Engine.

UK LowCVP Launches ‘Technology Challenge’ to Accelerate Low Carbon Vehicle Innovation; Libralato Engines First Registrant

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The first registrant in the Challenge is Libralato Engines, developer of a novel rotary engine (cutaway shown) promising a 5.5% The LowCVP Technology Challenge is supported by the Institution of Mechanical Engineers (IMechE) and with an associated media partner, Cleantech Investor.

Australian Cam-Drive Gasoline Engine Reaches 39.5% Efficiency in Independent Testing; Potential for Production Engine in China

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Revetec has prototyped 6 different versions of Revetec engine designs over the last 10 years. The latest version, the X4V2, was designed as a development engine for the aviation industry, and in early 2008 it was independently tested by Orbital Australia. The engine.

Concept: AET Reaches Final Development Stage of OX2 Barrel Engine

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of the OX2 Engine. Advanced Engine Technologies. says it has reached the final development stage of its OX2 rotary engine, achieving a performance objective of more than 300 lb-ft (407 N·m) of torque along with 46 hp (34 kW) at an approximate operating speed of 760 rpm.

Concept: Compact Two-Cycle, Co-generating Piston-Driven Turbine to Deliver 60+% Efficiency

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The engine components are contained within a sphere. The first cycle is a “conventional” combustion engine process using a combustible fuel with the crankless (i.e., The sinus discs also helps the efficiency of the generator—30 kW of engine power will run a 30 kW generator.

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

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Schematic of the conceptual ideal piston engine used for the TCR study. 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). The syngas is then burned in the engine in place of some or all of the original fuel.

Bladon Jets, SR Drives and Jaguar Land Rover Win Funding for Gas Turbine Electric Vehicle Project

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Prototype of a Bladon Micro-Jet engine. The ULRE will incorporate a Bladon Jets patented, axial flow gas turbine engine coupled to a high-speed generator utilizing SR Drives’ proprietary switched reluctance technology. Bladon Micro-Jet Engines are 100% axial-flow, gas turbine engines for use in a variety of applications. In addition, the process significantly reduces the development time and manufacturing costs for new engines.

Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

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Engineers from Honda R&D Co., presented a pair of papers at the SAE 2009 World Congress describing the development of a variable compression ratio (VCR) engine enabled by a dual piston mechanism. In testing in an otherwise conventional production 2.0-liter, 4-cylinder engine, the dual piston mechanism was able to adjust the engine from a CR of 9.6 Combining the high compression ratio with the Atkinson cycle, the engineering team demonstrated a 7.4%

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. a $4.9-million contract for design and construction of the Next-Generation Combat Engine.

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Shell develops new concept synthetic lubricant for engines; up to 6.5% fuel economy benefit on urban cycle

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A collaboration between research teams at Shell and Gordon Murray Design (GMD) recently led to the development of an innovative concept engine lubricant capable of achieving a 6.5% city car as the test bed, Shell engineers formulated an ultra low viscosity 0W-10 motor oil. The testing undertaken compares this concept lubricant to a 10W-30 oil which is a widely used viscosity in European markets.

Volvo Cars reveals triple-boosted 4-cylinder, 450 hp Drive-E powertrain concept

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Drive-E Powertrain Concept. Volvo has developed a concept 2-liter, 4-cylinder, triple-boost Drive-E concept engine that delivers 450 hp (336 kW). The engine utilizes two parallel turbochargers, which are fed by an electrically powered turbo-compressor. Engines

Mazda highlights new engine concepts

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The New York International Auto Show saw Mazda showcase a series of new engine and transmission concepts that improve fuel efficiency and lower emissions. Known as the SKY Concept engines and transmissions, they will be rolled out from 2011. Tags: Green cars Latest news mazda Mazda engines Mazda SKY concept Mazda SKY-D engine Mazda SKY-G engine New York International Auto Show

New BMW Concept M5 delivers 25% reduction in fuel consumption and emissions; start-stop function

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BMW’s new Concept M5, which makes its public debut at Auto Shanghai 2011, features a newly developed V8 with M twin-turbo technology. Compared to the fourth-generation M5 power unit, the newly developed engine has a significantly increased output level, while at the same time lowering previous fuel consumption and emission levels by at least 25%. The combination of the new engine with M Drivelogic is supplemented by an Auto Start Stop function.

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Technology transfer from Mercedes SLS AMG Coupé Electric Drive to Cigarette Racing

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Numerous components from the SLS AMG Coupé Electric Drive ( earlier post ) have been integrated in the design of the “Cigarette AMG Electric Drive Conceptengineering design. The 38’ Cigarette AMG Electric Drive Concept and the SLS AMG Coupé Electric Drive.

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. The concept is based on a Rotax aircraft engine together with an electric booster.

Another engine concept to make EXPO debut

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Earlier this week we told you about a “ revolutionary engine to make its debut &# at the upcoming Engine EXPO in Stuttgart. Now we have details of another exciting concept to be showcased at the event. Ilmor Engineering will present a new cutaway version of the Ilmor five-stroke concept engine at the show. Tags: Green cars Latest news Engine EXPO five-stroke engine Ilmor Engineering Stuttgart

Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

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Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. The hardware concept.

ETI announces £2.5M lower drivetrain HDV efficiency project

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The ETI is a public-private partnership between global energy and engineering companies—BP, Caterpillar, EDF, E.ON, Rolls-Royce and Shell—and the UK Government. Romax will be responsible for the lower drivetrain design and analysis, Castrol Ltd will work on oil development and ANSYS will model the lubrication system with its engineering simulation technology. Engines Heavy-duty Manufacturing SVO Transmissions Vehicle Systems

Groups join forces on fuel efficient engine

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China’s fourth largest car manufacturer Chongqing Changan Automobile Co and Orbital Corporation Limited have formed a joint development to work on a concept engine. The development will be carried out in Changan’s petrol engine platform and has the objective of achieving a significant fuel economy benefit using Orbital’s FlexDI technology. If it proves successful, Changan hopes to take the FlexDI concept to mass production.

Revolutionary engine to make debut

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An engine that provides vehicle manufacturers with an immediate solution for low emission legislation will make its European debut at the Engine EXPO in Stuttgart. The split-cycle engine from the Scuderi Group offers high efficiency standards without the need for large investments to modify existing production processes. According to its designers, the engine could revolutionise future viability of the internal combustion engine.