This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
FEV’s 698 cm 3 Extremely Downsized Engine. will show its Extremely Downsized Engine (EDE) at next week’s 2010 SAE World Congress in Detroit. Direct injection (DI) is integrated by replacing the twin spark ignition with a single spark plug on the exhaust side with the DI device in place of the removed spark plug on the intake side.
DENSO Corporation has improved the temperature detection accuracy of its newly developed diesel exhaust temperature sensor. To improve the sensor’s temperature accuracy, DENSO increased the probe length to almost twice that of the conventional product and extended the sensing tip into the exhaust pipe. Click to enlarge.
Continuing to emphasize a downsizing approach, Volkswagen presented two new engines at the at the 30 th Vienna Engine Symposium (7-8 May): the 1.2-liter The potential of internal combustion engines is far from exhausted. Downsizing is rigorously being developed in the volume segments with the 1.2 Click to enlarge. TSI and the 1.6
Audi’s principle of downsizing: “ Forced induction replaces displacement ” One twin-scroll turbocharger per cylinder bank compresses the fresh air. From each pair of cylinders, the exhaust ports lead separately to a manifold and the turbocharger housing; they are not combined until immediately ahead of the turbine.
Downsized EcoBoost engines feature turbocharging, direct injection and other technologies and replace larger engines with no loss of performance and with lower fuel consumption. Ford has confirmed that the first production applications for the new 1.0-liter, liters globally. Ford will introduce two versions of the 1.0-liter In the all-new 1.0-liter
Alcohol-based transportation fuels from a wide range of biomass feedstocks including agricultural, forestry, municipal and industrial waste and specially grown crops and trees can potentially offer a substantial substitute for oil derived fuel. More modest downsizing up to 5 liters could offer a practical solution. In this manner a 3.6
Renault’s ongoing downsizing strategy is aimed at reducing the cubic capacity of its engines in order to bring down fuel consumption and CO 2 emissions, without detracting from performance. Reduced transmission friction thanks to the use of low viscosity oils. 190 N·m), yet its downsized 1,397cc block is more fuel efficient.
The engine should yield fuel efficiency gains of more than 50% compared to a downsized, turbo-charged gasoline direct injection engine, while reducing the overall cost of the powertrain system, said Fabien Redon, Vice President, Technology Development at Achates Power. Earlier post.) Earlier post.).
The new turbocharged gasoline engine achieves a superior level of engine performance with maximum power output of 155kW (211ps) while improving fuel economy with its downsized displacement. Motor revolution speed changes with electronic control and oil hydraulic pump pressure is adjusted to change the steering effort.
Develop and demonstrate technologies including engine downsizing, electrification of auxiliary systems such as oil and water pumps, waste heat recovery, improved aerodynamics and hybridization. 38,831,115. Daimler Trucks North America, LLC. 39,559,868. Navistar, Inc. 37,328,933. Grantee Project Award. Chrysler Group LLC. 14,458,572.
A sole single-stage compressor and single-stage exhaust turbine are used for pressure charging. Unlike previously where two exhaust tailpipes were used, the 2014 regulations mandate the use of a single, central exit tailpipe through which all exhaust gases must pass. This requires thinner, faster flowing oil.
A heavy-duty exhaust valve guide with thermal deformation and temperature color scaling demonstrates high side load at high temperatures in contact with the exhaust gas. The solid lubricant package, combined with vacuum oil impregnation, delays valve stem scuffing in high temperature, heavily side-loaded applications.
The work of the consortium will be structured into a series of modules, the first of which will focus on the effect of downsized light duty gasoline and diesel engine technologies on lubricant soot levels and engine wear. Tags: Fuel Efficiency Lubricating Oils. The drive towards thinner, lower viscosity lubricants for reduced friction.
The automotive industry, including Lotus Engineering, has quite rightly advocated engine downsizing for four-stroke engines. Downsizing therefore isn’t vital and, due to the improved light-load efficiency and emissions performance we see with Omnivore, this technology approach and ‘upsizing’ could permit a more efficient engine.
The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. The sleeve valves have a short heat rejection path directly to lube oil. During the valve open event, all but the top few millimeters are drawn past a lip seal into oil.
Applied to a turbocharged, downsized engine, MultiAir can contribute to up to a 25% reduction in fuel consumption over conventional naturally aspirated engines with the same performance, according to Fiat. Pollutant emissions are likewise reduced through combustion control.
Since 2010, all Sprinters in the US have been powered by BlueTEC diesel engines, marking the first use of BlueTEC technology, with its selective catalytic reduction (SCR) exhaust aftertreatment system, in the commercial van market here. The two overhead camshafts actuate 16 intake and exhaust valves.
In recent years two methods, namely downsizing and downspeeding, were established on the market to reduce CO 2 emissions while maintaining the driving performance of engines with identical effective power but a larger displacement. bar) is achieved by applying high- or low-pressure exhaust-gas recirculation loops. < IMEP < 22.5
Heat required to bring the fuel to SC states is recovered from the exhaust gas of the engine. To attenuate that risk, the researchers use a diluent such as CO 2 , H 2 O or exhaust gas. Transonic has successfully run on gasoline, diesel, biodiesel, heptane, ethanol, and vegetable oil in dynamometer testing. 450 °C, P ?600
Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. Split, parallel, cross-flow cooling with integrated exhaust manifold. Earlier post.). Low pressure, cooled EGR system.
Pierburg GmbH, part of the KSPG Group, has developed an electric compressor for spontaneously boosting the charge pressure of engines fitted with an exhaust-gas turbocharger. This component allows pressure to be increased regardless of the exhaust-gas energy availability. Initial prototypes are now being tested by various customers.
To achieve these results, PureTech development called for a number of changes, chief among which were: Downsizing. The exhaust manifold is integrated directly in the cylinder head, which reduces the number of parts and overall weight. The regulated, variable-capacity oil pump continually provides optimal lubrication pressure.
“People downsize cars, not expectations. Customers are increasingly making decisions to downsize driven by lifestyle and fuel economy. We’ve learned that when customers downsize, they still want the amenities they’ve become used to in larger vehicles.” liter engine.
A new stage in the PSA Peugeot Citroën Group’s downsizing strategy, this new generation of engine block delivers a reduction of fuel consumption and CO 2 emissions, while offering a good level of performance for the entry-level versions. The 208 also introduces a new range of 3-cylinder gasoline engines, 1.0- mpg US or 4.3 208 gasoline range.
The more efficient combustion engine technologies, with their enabling of downsizing, come in compatibly with hybridization, with hybridization and electrification playing a larger role over time. The further downsized next-generation technologies can be very synergistic within hybrid applications. Planning background.
The T-Hybrid (based on a Kia Optima) ( earlier post ) and the ADEPT (based on a Ford Focus) ( earlier post ) both utilize an advanced 48V lead-carbon battery system with bolt-on electrical components that allow for significant engine-downsizing without loss in performance. liter engine the performance of a 1.8
Further, implementation of VTC and high-capacity EGR (Exhaust Gas Recirculation) to both the intake and exhaust ports realizes significantly reduced friction. By downsizing from the present 2.2L This employs direct injection technology and the Atkinson cycle using the DOHC, VTEC technologies as the base. Diesel engine.
It now includes variable valve timing on both exhaust and intake camshafts, and the new intake system opens the valves at a higher rpm to help keep the torque curve flat. The Altima offers a choice of a redesigned 2.5-liter liter DOHC inline 4-cylinder engine or 3.5-liter liter QR25 engine has been redesigned to be lighter and more efficient.
Southwest Research Institute (SwRI) has successfully demonstrated that its HEDGE (High-Efficiency, Dilute Gasoline Engine) technology, using cooled exhaust gas recirculation (EGR) and advanced ignition systems, suppresses low-speed pre-ignition in turbocharged gasoline direct-injection engines. Earlier post.).
Low-friction lubricants: low viscosity and advanced low friction lubricants oils are now available with improved performance and better lubrication. Cylinder deactivation: deactivates the intake and exhaust valves and prevents fuel injection into some cylinders during light-load operation. Engine technologies.
Harvested energy from hot exhaust gases is recaptured by this generator which is fitted into the exhaust manifold. The new, downsized 1.0-liter Up to half of the electrical energy consumed by i-flow at 80 km/h—250 watts—can be recovered through the work of a thermoelectric generator. liter Kappa gasoline and 1.7-liter
Fiesta features Twin Independent Variable Camshaft Timing (Ti-VCT) ( earlier post ) which allows the engine to be downsized for fuel economy while continuously optimizing camshaft phasing for throttle response, performance and flexibility. The block, cylinder head and oil pan—traditionally the heaviest engine components—are aluminum castings.
The extreme valve temperatures experienced on today’s highly boosted downsized engines can lead to reduced valve fatigue life and critical valve guide and stem seal temperatures, resulting in the need for expensive valve steel alloys. The valve guide is the main heat path from the valve stem to the cylinder head.
Advanced after-treatment processes for exhaust gases enable ultra-low emissions in line with stringent Euro Stage VI standards that will be introduced in September 2016, requiring a 55% reduction in NO x emissions compared to Euro Stage V standards. A belt-in-oil design for the camshaft and oil pump drive belts. million km (3.4
On the diesel side—now available solely as BlueTEC units with SCR aftertreatment technology) , the focus is on downsizing and the new version of the V6 CDI engine. The HP turbine is located directly at the exhaust manifold and initially allows exhaust gas to flow through it; it then rotates at up to 215,000 revolutions per minute.
The system comprises a deactivation rocker arm and oil control valve. When engine conditions are right, for example in highway cruise, the engine computer gives a command to the oil control valve and the unneeded cylinders shut down to save fuel.
liter turbocharged gasoline engine has a combination water-cooled cylinder head, integrated exhaust manifold and twin-scroll turbocharger. To minimize turbo lag, the four-into-two exhaust manifold system pairs cylinders according to their expansion or compression stroke to reduce pumping losses and eliminate exhaust gas interference.
Despite its efficiency, the Golf TSI BlueMotion with the 85 kW / 114 hp downsized 999 cc EA211-series engine reaches 100 km/h in 9.7 Exhaust manifold integrated in cylinder head. The exhaust manifold of the 1.0 The exhaust manifold of the 1.0 seconds and goes on to a top speed of 204 km/h (127 mph). Small turbocharger.
The engine features technologies such as twin independent variable camshaft timing (Ti-VCT); a compact, low-inertia turbo that spins at 248,000rpm; direct fuel injection; an aluminium cylinder head with integrated exhaust manifold; low friction piston coatings; low tension piston rings; low friction crank seals; and a cambelt-in-oil design.
Technologies such as cylinder deactivation (CDA), high efficiency variable geometry turbochargers with exhaust gas by-pass, and start-stop systems are only some of the commercially available fuel saving technologies that can be implemented by 2024. The cost of controlling NO x to 0.05 g/bhp-hr in 2024 and to 0.02 Credit: MECA.
This has resulted in higher catalyst loading per volume of substrate and led to downsizing of systems from those available in 2010. New substrates are designed with thinner walls or higher porosity, which allows the coating of better catalysts without sacrificing durability.
Knock and fuel octane rating are becoming increasingly important due to many powertrain design trends including downsizing, downspeeding, cylinder deactivation, and hybridization. … To achieve continued improvement in engine efficiency and CO 2 emissions, it is critical to quantify the roles of fuel octane rating and alcohol content.
The Freightliner SuperTruck uses a downsized and downsped 10.7-liter Friction-reducing measures include a variable speed water pump, a clutched air compressor, low-viscosity oil and an improved cylinder kit. The aftertreatment system features additional insulation to retain maximum heat energy in the exhaust. Click to enlarge.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content