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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. —Musu et al., SAE 2010-01-2107.
Drive-E Powertrain Concept. Volvo has developed a concept 2-liter, 4-cylinder, triple-boost Drive-E conceptengine that delivers 450 hp (336 kW). The 450 hp High Performance Drive-E Powertrain Concept is based on a set of technologies not usually found in a four-cylinder engine. Click to enlarge.
The ChangAn CA18 FlexDI ConceptEngine shown at Auto China 2008. Ltd, China’s fourth largest automotive manufacturer, have entered into a joint development contract for a conceptengine. If the program is successful, Changan plans to take the FlexDI conceptengine to mass production in a Changan vehicle.
Rendering of the Ilmor 5-stroke conceptengine. Ilmor Engineering will present a new cutaway version of the Ilmor 5-stroke conceptengine at the upcoming Engine EXPO 2009, 16-18 June, in Stuttgart, Germany. The 5-stroke conceptengine is a self-funded proof of concept. Click to enlarge.
A Romanian team—Dan Scarlat (automotive journalist), Marian Cilibeanu (designer) and Cristian Ionescu (engineer)—are proposing the SCI hyMod modular concept car. For longer-range interurban travels, it can transform into a hybrid car with the assistance of a special change center (“hyMod STATION”).
Ballard Power Systems and MAHLE Group, a Tier 1 automotive supplier, are progressing the development of a new fuel cell system concept for long-haul trucks, with MAHLE taking delivery of a 120kW module at the company’s hydrogen test center in Stuttgart, Germany.
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 award will allow a team of MSU engineers and scientists, led by Norbert Müller, an associate professor of mechanical engineering, to begin working toward producing a vehicle-size wave disc engine/generator during the next two years, building on existing modeling, analysis and lab experimentation they have already completed.
A consortium led by micro gas turbine company Bladon Jets recently secured investment from the UK Technology Strategy Board to develop an Ultra Lightweight Range Extender (ULRE) for next-generation electric vehicles. Tags: ConceptEnginesEngines Hybrids. Click to enlarge. Earlier post.). Earlier post.).
The OX2 engine achieves considerable torque at all stages through its operating range. Consequently, in most engine applications there would be no need for the engine to operate at revs higher than 2,500 rpm. In some instances, this would eliminate the need for a gearbox and would certainly reduce engine wear.
The engine was invented by Herns Louis, veteran of more than 30 years in the parts manufacturing industry ranging from automotive to aerospace, specializing in computerized parts machining. The technology can be easily adapted to existing engines, making the implementation very cost effective.
And while the new combustion technologies such as lean burn, stratified combustion and homogeneous charge compression ignition (HCCI) have been made practicable within lower speed and lower load regions, more conventional technologies still have to be used to cover the whole operating range. Ishikawa, K. Yamamoto, M. Kato and S.
Moreover, it is easy in this context to switch on or off single pistons to reduce torque, increasing the efficiency of the engine. The engine is designed to generate power only, in applications such as a genset for an extended range electric vehicle, or in distributed power generation. Tags: ConceptEngines.
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).
Powertrain concepts. At NACV 2017, Bosch is also showcasing several future-focused powertrain conceptsengineered to save fuel and money while extending the lives of fleets. The design calls for a scalable battery that makes an all-electric driving range feasible, enabling zero local emissions driving in city centers.
A cryogenic engine such as the Dearman piston engine produces zero emissions at the point of use; has low greenhouse gas emissions provided the liquid air or nitrogen is produced from low carbon electricity; has energy and power density on a level with battery electric technology; and has the potential for rapid refueling.
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. tested the engine under the standard air/fuel ratio of 14.5:1 A conventional engine's turning distance is half of the piston stroke.
In March, ETI commissioned the first project in the £40m Heavy Duty Vehicle (HDV) Efficiency Program—a £3-million effort with Caterpillar on the conceptengineering of a range of innovative and efficient land vehicles. —Chris Thorne, Program Manager for Heavy Duty Vehicles, ETI.
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 conceptengine, the OP4. liter OM651 Euro 5 engine, said Fabien Redon VP, Technology Development at Achates Power, the OP4 design shows a modeled 13.5%
The combination of discrete, asymmetrically sized cylinders and fully variable valvetrain promises the ability to vary displacement ratios, bore-stroke ratios, compression-expansion ratios, compression-expansion phasing, and gas transfer phasing for engine optimization—i.e., a more efficient internal combustion engine.
The new ECONAMIQ technology builds on existing concepts such as cylinder deactivation and variable valve timing with a unique patented combination of routing gasses for increased system efficiency. The company presented its first results at the annual ASME ICEF (Internal Combustion Engine Fall) conference in Chicago.
The Vehicle Technologies funding is targeted at a wide range of research, development, and demonstration projects that aim to reduce the price and improve the efficiency of plug-in electric, alternative fuel, and conventional vehicles. This new funding opportunity announcement will be available in early February.
However, the control of combustion phasing is one of the crucial issues in determining whether the diesel PCCI engine could be commercialized or not. The utilization of compressed air power on engine cool starts and low-load conditions could significantly reduce the overall emissions. …
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 conceptengine at the show.
China’s fourth largest car manufacturer Chongqing Changan Automobile Co and Orbital Corporation Limited have formed a joint development to work on a conceptengine. If it proves successful, Changan hopes to take the FlexDI concept to mass production. It is not the first time that the two companies have joined forces.
HCCI combustion can deliver a very efficient engine, potentially providing a 20% to 30% boost in gasoline engine efficiency without the NO x or PM emissions of a diesel. Exhaust valve management allows the engine to independently configure (Intake Compression) to (Power Exhaust) ratios.
This technology will allow researchers to develop future combustion engines free from the piston motion constraints dictated by the crankshaft. Already validated at proof-of-concept level, Libertine’s new hardware uses production-feasible component designs suitable for automotive hybrid powertrain modules, such as range extenders.
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