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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. Startup Eco-Motive has developed what it calls the first dual-fuel “H” engine; it recently received a patent (# 8807098 ) on the design.
Section of the MkII Clarke-Brayton split-cycle engine. Motiv Engines, LLC introduced the second-generation of its engineconcept dubbed the MkII Clarke-Brayton Engine, which it intends to develop into a heavy-duty on-highway enginefueled by liquid natural gas (LNG). Click to enlarge.
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.
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. The program is focused on fuel economy improvement while achieving Euro IV emissions level. Click to enlarge. Earlier post.).
FEV) a leading developer of advanced powertrain and vehicle technologies, will exhibit a lean burn engineconcept at the SAE 2011 World Congress that has been modified to run on Compressed Natural Gas (CNG). FEV developed ATAC more than a decade ago, targeting large-bore engines in stationary and heavy-duty applications.
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. The Wave Disc Engine. Source: MSU.
Australia-based Revetec is designing what it calls the Controlled Combustion Engine (CCE)—a cam-drive gasoline spark-ignited internal combustion engine that is smaller, lighter, cleaner, less expensive to manufacture and that produces higher torque due to higher mechanical transfer than equivalent conventional engines.
Achates Power was recently awarded a $5-million contract from the US Army to expand the family of opposed-piston engines for military vehicles. The project, awarded in late-2020, builds upon the success of the Advanced Combat Engine (ACE). to develop the Advanced Combat Engine for the US Army. Earlier post.) —John S.
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. Click to enlarge. LiquidPiston, Inc.
Schematic of the conceptual ideal piston engine used for the TCR study. When reforming is not used, the fuel and exhaust pass through CV2 unchanged. A paper on their work was published online 5 February in the ACS journal Energy & Fuels. The syngas is then burned in the engine in place of some or all of the original fuel.
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. In August, Garric Engines.
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. Click to enlarge.
Since internal combustion engines will remain the primary mode of choice for mobility in the foreseeable future, both alternative (renewable) fuels and high-performance combustion concepts/ engines using fuels adapted for that purpose will be preferred for reducing the combustion impact on climate change.
A collaboration between research teams at Shell and Gordon Murray Design (GMD) recently led to the development of an innovative conceptengine lubricant capable of achieving a 6.5% improvement in fuel efficiency on an urban cycle, and a 4.6% benefit on a combined cycle. Using GMD’s new T.25
Turbocharged HCPC engine scheme. 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-fueledengines.
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. Fuel is fed by a dual fuel pump working at 250 bar pressure.
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. Source: ETH Zürich. Click to enlarge. Earlier post.). Earlier post.).
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. Fuel efficiency is also key for a manageable heat rejection system.
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 ). All of the fuel in the chamber is burned simultaneously. Click to enlarge.
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%
(OCI) and MAN Energy Solutions (MAN) to develop methanol and ammonia as marine fuels to support industry-wide decarbonization and environmental preservation efforts. Also, EPS will construct newbuild vessels with MAN engines powered by the same two alternative marine fuels.
The Scuderi Engine is a split-cycle design that divides the four strokes of a conventional combustion cycle over two paired cylinders. The Scuderi Engine is a split-cycle design that divides the four strokes of a conventional combustion cycle over two paired cylinders. a more efficient internal combustion engine. Earlier post.).
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. Exploded view. Click to enlarge. OX2 in a test rig.
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. Model of the working prototype.
Flight Design GmbH will debut a hybrid engineconcept for light aircraft at the upcoming Aero show in Friedrichshafen, Germany (2-5 April). Flight Design developed the conceptengine over the past two years with Franz Aircraft Engines. Matthias Betsch, Flight Design CEO.
BMW’s new Concept M5, which makes its public debut at Auto Shanghai 2011, features a newly developed V8 with M twin-turbo technology. The M5 Conceptengine is coupled with a seven-speed M double-clutch transmission with Drivelogic and M-specific suspension and steering.
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. The engine comprises a disc-shaped rotor and driveshaft which turn the housing, or stator, which remains stationary.
The first registrant in the Challenge is Libralato Engines, developer of a novel rotary engine (cutaway shown) promising a 5.5% The LowCVP is calling on UK innovators to submit creative concepts with the potential to cut emissions from road vehicles without the need for radical new infrastructure. Libralato Engines.
Dutch start-up ECONAMIQ is developing a novel engine technology which saves up to 20% in fuel consumption. The “ECONAMIQ principle” uses flexible over-expansion in combination with cylinder deactivation technology to increase performance and efficiency without significantly changing the engine layout or architecture.
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. liter, 4-cylinder engine, the dual piston mechanism was able to adjust the engine from a CR of 9.6 and back again.
liquid air) Dearman piston engine. Source: Dearman Engine Company. The work was conducted by a collaboration including industrial partners Arup, Dearman Engine Company, E4 Tech, Highview, Messer Group and Ricardo, as well as academics from the Universities of Leeds, Birmingham, Strathclyde, Brighton and Imperial College London.
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.
DOE also announced up to $35 million to advance fuel cell and hydrogen technologies, including enabling the early adoption of fuel cell applications, such as light duty fuel cell electric vehicles. DOE has established 55% engine efficiency as a stretch goal for heavy duty engines with a plan to meet this goal by 2020.
Researchers at the Dalian University of Technology have proposed a novel method to control premixed charge compression ignition (PCCI) phasing in internal combustion engines in all load operations. The application of HPE is also beneficial to the fuel consumption and emissions because of its several flexible operation modes.
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. The output of this project will help to determine which technologies are required to achieve a 30% fuel consumption reduction in the land based HDV fleet.
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 engine is classified as a turbine, says Jim Andrews, vv-tec’s President, because the use of the sinus discs make the engine into an impulse turbine.
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.
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. To further reduce fuel consumption, the eCity Truck platform can also integrate 48-volt technology. Control unit.
Furthermore, natural gas will be investigated as the fuel of the system. The control method of linear generator and the movement of free-piston will be investigated, and special attention will be [paid to] the synchronization of th left and the right pistons. —Huang et al.
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 Conceptengines and transmissions, they will be rolled out from 2011.
China’s fourth largest car manufacturer Chongqing Changan Automobile Co and Orbital Corporation Limited have formed a joint development to work on a conceptengine. It is hoped that with fuel economy improvements, the Euro IV emission levels will be achieved.
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.
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.
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