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The Rotrak solution overcomes this constraint by connecting the supercharger to the engine by a compact variable drive, allowing efficient operation across the whole engine speed range. The need to reduce CO 2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. million today to 12 million by 2016.
liter, 3-cylinder Range Extender engine with integrated electrical generator. Lotus Engineering will unveil its Range Extender engine at the 63 rd Frankfurt International Motor Show next week. Key features of the Range Extender engine include: Monoblock. The Lotus 1.2-liter, Click to enlarge. The Lotus three-cylinder 1.2
A team at Monsanto and colleagues at AVL Powertrain have successfully designed and demonstrated an onboard low-temperature ethanol reformer that can be driven by exhaust heat. Many papers have described high-temperature steam reforming of ethanol at around 600 °C but.this temperature is too high to be driven by engine exhaust.
The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. or so, according to Thomas, resulting in the total possible benefits ranging from about 6% to 17%.
liter, 3-cylinder EcoBoost engine ( earlier post ) will be three models in the European product range: first the Focus, followed by C-MAX and the all-new Ford B-MAX. liter engine is the latest addition to Ford’s global family of EcoBoost engines, which currently range in capacity from 1.6 liters globally.
With this move, Valeo becomes the first automotive supplier to offer its customers a range of electric superchargers. Unlike exhaust-driven turbochargers, electric superchargers are driven by an electric motor. Highly efficient at low engine revolutions, electric superchargers make it possible to downsize engines.
Internal combustion engines have been significantly improving in the past decade, after the adoption of technologies such as Gasoline Direct Injection, mild electrification, downsizing and turbocharging. The OSU EcoCAR prototype vehicle features an extended-range electric architecture with a downsized 1.8L
The KSPG-FEV two-cylinder range extender. Automotive supplier KSPG Automotive (formerly Kolbenschmidt Pierburg), a subsidiary of Rheinmetall AG, and FEV have jointly developed a concept for a compact, 30 kW range extender for battery-electric vehicles. Click to enlarge. Variable valve system.
The new Yaris Hybrid, which is equipped with a version of the downsized hybrid powertrain featured in the Prius c/Aqua ( earlier post ), is a major step in the company’s full hybrid European roll-out strategy. The downsized full hybrid system combines the new 1NZ-FXE 1.5-liter Fuel consumption is 3.5 meters has been maintained.
Cobra could enable a 5–10% reduction in CO 2 emissions when implemented in conjunction with engine downsizing and down speeding strategies, and potentially more when used in conjunction with alternative fuels, according to CPT. Unlike a turbocharger, Cobra is not dependent on the exhaust gases flowing to do its work.
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
This is the lowest consumption of any of the gasoline or diesel MiTo engines, while power delivery and torque are the second-highest of the MiTo gasoline range. The engine range also includes the 120 HP 1.4 Turbocharged by means of exhaust gas turbocharger with engine load management by means of variable intake valve activation.
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.
liter, 3-cylinder design of the Pinnacle engine, as well as a downsized, turbocharged 750cc Pinnacle design. FEV added two additional cylinders, piping, exhaust aftertreatment, and an air cleaner to convert the model from a 250cc single cylinder into a 750 cc three cylinder engine. less than with the exhaust cam also phased.
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.) displacements, said Redon. earlier post ).
When applied to a radically downsized 1.2-liter liter turbocharged engine, VTES delivers in excess of a 50% increase in torque at engine speeds below 3,000rpm, more than compensating for insufficient power from the exhaust turbine. More than 90% of the available torque is delivered in less than a second. Compared with a 1.6-liter
To achieve the target fuel economy improvement over the baseline V6 configuration, the team used GTDI technology for downsizing in combination with part-load lean homogeneous charge compression ignition (HCCI) operation for further fuel economy gains. The project team is replacing a 3.6L I4 Ecotec engine. Combustion studies.
BorgWarner opened a new 86,000-square-foot (8,000-square-meter) facility in Manesar, India, near New Delhi to produce exhaust gas recirculation (EGR) coolers, tubes, valves and modules. Today’s downsized engines generate higher temperatures in the combustion chamber forming nitrogen oxide (NO x ).
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. With steering angle and steering angle speed controlled, it offers mild handling in a low-speed range and smooth, linear handling at high-speed range.
. … PPCI has demonstrated very good potential for very high fuel efficiency with low engine-out NO x and PM emissions using a range of gasoline-like fuels. Due to the lower exhaust enthalpy of lower temperature engines using PPCI, it is difficult to produce intake boost with acceptable boost system parasitis. —Sellnau et al.
Automakers are turning to downsized turbocharged engines to satisfy more stringent global fuel economy and emission regulations and customer demand for better-performing vehicles. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.
liter EA211 four-cylinder turbocharged and direct-injection TSI engine into the Jetta range, replacing the previous naturally aspirated 2.0-liter This brings implementation of intelligent downsizing to more than 97% of vehicles sold by Volkswagen in the US, available across all the models on sale. Volkswagen is introducing the 1.4-liter
In a paper on the OBS presented at the SAE 2014 World Congress, the researchers suggested that potential applications include downsizing to increase fuel economy by ?10% The OBS system uses waste exhaust energy to effect the fuel separation and provides a simple and reliable means for managing the separated fuels.
V-Charge integrates a supercharger with a mechanical variable speed drive to address a key barrier to engine downsizing by providing near instant response at any engine speed. This allows us to evolve a purpose-made unit that brings the technology much closer to market than previous proof-of-concept hardware.
Among the changes in the new Juke are a new design at the front and rear with greater emphasis on both premium refinement and sporty design cues; a new downsized 1.2-liter 1), improved low friction technologies and cooled Exhaust Gas Recirculation. Click to enlarge. As well as a six-speed manual transmission, new Juke 1.6
Based on a Ford Focus, this ADEPT prototype incorporates a 48V electrical architecture, a SpeedStart 10kW (later to be upgraded to 12.5kW) belt integrated starter generator and TIGERS turbine integrated exhaust gas energy recovery system, both switched reluctance machines supplied by CPT, and an advanced lead carbon battery pack provided by EALABC.
Eaton has developed a range of next-generation variable valvetrain systems for high-speed overhead camshaft engines. Eaton said that a series of process improvements and new engine valve product designs will help engine manufacturers address issues related to engine downsizing to achieve better fuel economy and reduced emissions.
Renault held a “2010 Environment Workshop” last week to showcase its progress across its range of vehicles’ full lifecycle through the Renault eco² program. The downsizing process involved shortening the piston stroke by reducing the size of the crank pin and conrod assembly. Select Engines. New-generation 1.5 dCi engines.
The research presented at this World Congress was designed to: Present the current speed load range of TJI operation. Continuously variable camshaft phasers for both the intake and exhaust enabled variable valve timing. Standard production intake and exhaust profiles were retained. The new study. —Attard et al.
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. A family of high alloy PM tool steel-based materials has already proven successful in a wide range of today’s engine designs. Source: Federal-Mogul.
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. Through solenoid valve opening and closing time control, a wide range of optimum intake valve opening schedules can be easily obtained.
For the first time, AMG is also utilizing the advantages of gasoline direct injection with spray-guided combustion and piezo-electric injectors: thanks to its higher thermodynamic efficiency, this technology makes more efficient use of fuel and leads to lower exhaust emissions. The 100 km/h mark is reached in 4.4
Therefore, Bohr said, Bosch aims to develop lithium-ion batteries that will at least double the range of current electric vehicles and at half the cost per kilowatt-hour. This will be done with a broad range of efficiency-enhancing technologies, including the turbocharging of downsized engines.
Superior driving performance: strong low-end torque and responsive performance across the full rev range. The EcoBoost approach enables the downsizing engine capacity—replacing naturally-aspirated engines with much smaller units without sacrificing power output. improvement in fuel economy, according to Ford.
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. 20 mph (32 km/h).
At 48 volts, a VTES electric supercharger will transform 7kW of battery power into a highly boosted charge of air for downsized gasoline and diesel engines. There will be no torque deficit or other tradeoffs from essential engine downsizing and higher gearing, which now dominates the development of internal combustion engines.
Compared to gasoline, the lower alcohols exhibit high latent heat of vaporisation and anti-knock rating, which makes them attractive for use in future “downsized” highly boosted SI engines that endure significantly higher peak in-cylinder pressures and temperatures. The system is based on a shaft-in-shaft cam operating principle.
HCCI range extension with boosting. Elements of the multi-mode combustion system include: Spark-ignited (SI) combustion with high compression ratio and high boost assisted by cooled external exhaust gas recirculation (EGR). Two-stage boost—a small supercharger for HCCI, and a regular turbocharger for downsizing.
Turbocharging and downsizing can also yield fuel consumption reductions. Downsizing is an important strategy applicable in combination with technologies that increase engine torque, such as turbocharging or supercharging. Part of the gain from advanced-level CI diesel engines comes from downsizing.
The central part of the method is a new fuel system including high-temperature fuel injectors and a common rail to deliver SC fuel-diluent mixtures for combustion over ranges of conditions which will significantly improve engine efficiency, reduce PM and NO x and mitigate the environmental thermal impact. At SC conditions, however (T?450
The low voltage approach compared with full hybrid and EV nominal voltages, which are typically in the range of 300 to 600V, avoids the need for high cost safety features and large battery packs. Moreover, compared with other electrical machines they have a high efficiency across a large speed range, good controllability, and reliability.
to eliminate turbo lag—in support of aggressive engine downsizing. CPT recommends a combination of the highly dynamic electric supercharger in series with a conventional exhaust-driven turbocharger to optimize the overall response of the system, compared to other air charging methods. Boost pressure is directly controlled by the ECU.
The GT2-equipped engine also delivers high engine torque across a broad speed range and develops a specific power on the order of 120 kW/L. In designing the unit for use on a small engine, FEV created a completely new exhaust manifold on the 1.8L – DISI developmental engine with advanced features such as VCT and adapted charge motion.
Citroën is introducing the first members of its new PureTech family of three-cylinder gasoline engines on the C3, DS3 and C-Elysée (for international markets) ranges. liter with power ranging from 68 hp to 82 hp (50 to 60 kW). liter with power ranging from 68 hp to 82 hp (50 to 60 kW). liter and 1.2 liter and 1.2 l/100 km (51.1
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