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Cost of the new engine relative to gasoline baseline. The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter) Exhaust system configuration. Earlier post.). l/100 km) for a vehicle of that size. Source: Cummins.
The need to reduce CO 2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. Gasoline engines are typically less expensive than diesels for the same application but have higher exhaust temperatures, making advanced turbocharging more difficult. million today to 12 million by 2016.
ExxonMobil, Corning and Toyota have collaborated to develop an Onboard Separation System (OBS) to optimize gasoline engine efficiency and performance. 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% Background.
Together the partners have sought to demonstrate an extremely cost-effective, ultra-efficient gasoline engine in a C-segment passenger car delivering the performance of a baseline 2.0-liter naturally aspirated four-cylinder gasoline engine has been replaced with a 1.0L Earlier post.). three-cylinder EcoBoost engine.
GDCI engine was significantly better than advanced production spark injection gasoline engines, and comparable to very efficient hybrid vehicle engines at their best efficiency conditions (214 g/kWh). This early work established that gasoline-like fuels with high resistance to autoignition are preferred for PPCI. Combustion stability.
During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. Click to enlarge. PSA has filed for two patents on its work.
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.
compacts under 1,400 kg in weight—a stoichiometric 3-cylinder turbocharged gasoline direct injection (GDI) engine offers an optimal combination of cost, lower emissions and reductions in fuel consumption, according to an analysis by Delphi Powertrain presented at the recent SAE 2010 World Congress. Earlier post.). Source: Kirwan et al.
DENSO Corporation has developed its first EGR cooler for gasoline engines. The newly developed EGR (exhaust gas recirculation) cooler is 30% smaller than the smallest one currently available on the market, while offering equal performance. DENSO EGR cooler. Click to enlarge. Click to enlarge.
Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% One significant trend is engine downsizing coupled with turbocharging. Turbochargers work by using a turbine driven off the exhaust gas to pressurize the intake air. of new gasoline-fueled LDV sales.
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 engine has two intake and two exhaust valves per cylinder. Dönitz et al.
Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi pump. —Walter Piock.
A team from Brunel University, MAHLE Powertrain and University College London studied the combined effects of different inlet valve operating strategies on combustion, performance and emissions with different ethanol and 1-butanol blends with gasoline in a single-cylinder spark-ignition research engine equipped with a fully variable valvetrain.
The gasoline engine delivers 105 hp (72 kW) at 5500 rpm and maximum torque of 145 N·m (107 lb-ft) at 2000 rpm/min, with combined cycle fuel consumption of 4.2 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 researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). liter downsized turbocharged centrally-mounted direct injection engine.
The new Peugeot 208 B-segment supermini, which launches this spring in Europe, will be available in 3- and 5-door bodystyles with a range of gasoline and diesel engines including a new 3-cylinder gasoline engine range and the latest generation of Stop & Start System (e-HDi) diesel engines. 208 gasoline range. 208 gasoline range.
Researchers at Tianjin University in China report that combing split injection to the Miller cycle with boost pressure can effectively decrease the knock tendency and increase the engine torque in a downsized spark-ignition engine. Their paper is published in the journal Fuel. 2017.11.006.
Hyundai Motor is showcasing two new turbocharged gasoline direct injected (T-GDI) engines at the Paris Motor Show 2014. liter T-GDI is the first of a new generation of small turbocharged gasoline engines, offering enhanced performance, driving pleasure and efficiency. New engines and transmission. Click to enlarge. liter and 1.4-liter
liter gasoline-fueled TSI of the Polo BlueGT. This combination of efficiency and dynamic performance is enabled by the systematic interplay of ACT, downsizing (reduced engine displacement plus direct injection and charging) and BlueMotion Technology (Stop/Start system, battery regeneration). The system was realized with the new 1.4-liter
liter EcoBoost gasoline turbocharged direct injection (GTDI) four-cylinder unit. Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger. —Pete Pandolfi, 2.3-liter
Developed for the latest 1-liter downsizedgasoline engines. Continental will be supplying Ford with turbochargers for the carmaker’s new three-cylinder direct injection gasoline engine platform. Continental began developing turbochargers for gasoline engines in 2006. Click to enlarge. Earlier post.)
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 liter TSI gasoline engine and the 1.6-liter The potential of internal combustion engines is far from exhausted. It meets the EU 5 exhaust emission standard.
CPT says that the RegEnBoost system enables a typical family-sized car to achieve less than 100 g/km CO 2 with a 1-liter gasoline engine, but when required can offer the same lively performance and in-gear acceleration of a 2-liter naturally aspirated powertrain. A final key element of the RegEnBoost concept is the TIGERS turbo-generator.
Hakan Yilmaz, Global Technology Management, Gasoline Systems, for Bosch presented an overview of and update on the project at the 2011 DEER conference in Detroit in October. Two-stage boost—a small supercharger for HCCI, and a regular turbocharger for downsizing. HCCI range extension with boosting. Source: Bosch.
liter gasoline engines combine turbocharging and fuel injection technology to deliver greater fuel economy. Ford expects up to 90% of its nameplates sold in North America will be available with downsized direct-injected turbocharged engines by 2013. The direct-injected 1.6-liter liter and 2.0-liter BorgWarner turbo. Click to enlarge.
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
This combined combined aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance and a 12+X volt micro-hybrid stop-start and energy recuperation systems. It is capable of operating in exhaust temperatures up to 850 °C, at speeds up to 60,000 rpm and delivering a peak power of 2 kW (@12V).
Operating range of 2-stroke CAI fueled with gasoline, E10 and E85. Accordingly, the processes have been extensively researched over the last decade and adopted on prototype gasoline engines (e.g., Zhang et al. 2013a) Click to enlarge. Controlled autoignition (e.g., Controlled autoignition (e.g., GM’s ongoing work, earlier post ).
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. To achieve these results, PureTech development called for a number of changes, chief among which were: Downsizing. PureTech 3-cylinder engine. Click to enlarge.
The SuperTurbo’s supercharger function enhances the transient response of a downsized and turbocharged engine, and the turbo-compounding function offers the opportunity to extract the available exhaust energy from the turbine rather than opening a waste gate. Downsizing from a 3.2L The SuperTurbo concept. Click to enlarge.
For the 2013 XF and XJ lineup, Jaguar is adding two new downsized forced induction gasoline powerplants: 3.0-liter liter V8 gasoline units. Eight-speed ZF automatic transmissions are now fitted to all gasoline and diesel XJ and XF variants as standard for greater efficiency and performance. liter V6 Supercharged and 2.0-liter
These extreme downsizing indicates the potential of a SI, knock-free engine, operating at the same peak pressure as the diesel engine and higher engine speeds. However this aggressive downsizing may not be practical because other constraints (durability, exhaust temperatures). In this manner a 3.6 —Bromberg and Cohn.
Achates Power will work with Delphi Automotive and Argonne National Laboratory on its ARPA-E-funded project to develop an innovative opposed-piston, gasoline compression ignition (OPGCI) engine. liter opposed-piston, gasoline compression ignition engine applicable to large passenger vehicles, pick-up trucks, SUVs and minivans.
Bosch does not believe there is just one powertrain solution for the future; most of the cars on the world’s roads are still running on diesel and gasoline, and things will stay that way for the rest of the decade, Bohr noted. Only the diesel engine will achieve this in the compact class, but the gasoline engine will come close.
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 liter Atkinson Cycle gasoline engine is 16.5
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.
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. 14,458,572. Cummins Inc. 15,000,000. Ford Motor Company.
liter, four-cylinder turbocharged gasoline direct-injection engine—the 1.8 Di Turbo Jet E5 drive torque is comparable to the one of an aspirated V6 engine which is almost twice its displacement, according to Fiat, but with significant efficiency gains through the downsizing. The 200 HP 1.8 Di TurboJet. Click to enlarge.
Cackette was in effect suggesting that the future tailpipe emissions baseline (LEV III) for light duty passenger vehicles—both diesel and gasoline—was likely to be or to approximate CA SULEV/US Tier 2 Bin 2. We see dramatic downsizing and boosting [as] something that’s going to for gasoline engines especially. John Kirwan.
The study by the Ford / AVL team provides an overview of the effects of such a future ethanol-gasoline blend in such an engine. (As In their paper, Robert Stein from AVL and James Anderson and Tim Wallington from Ford begin by reviewing properties of ethanol and gasoline blends. and of gasoline, about 14.6 Earlier post.)
Building off its 350 bar GDi (Gasoline Direct Injection) system, Delphi Technologies has developed a 500+ bar GDi system that can reduce particulate emissions by up to 50% without expensive engine re-designs for the majority of applications. Left: GDi 500+ injector. Right: GDi 500+ fuel pump.
Downsized EcoBoost engines feature turbocharging, direct injection and other technologies and replace larger engines with no loss of performance and with lower fuel consumption. liter gasoline engine while emitting less than 120g/km CO 2 in the Focus. Ford has confirmed that the first production applications for the new 1.0-liter,
In keeping with the trend to downsizing, Hyundai has been expanding the application of Turbo Gasoline Direct Injection (T-GDI) engines. 101 lb-ft), and emits less CO 2 than its original gasoline model. The Kappa 1.0 TCI engine (Turbocharger Intercooler) delivers maximum power of 106 ps and maximum torque of 137 N·m (14.0
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 Three engines are available for new Juke, with changes to the two gasoline options: one is new and the other extensively revised. Click to enlarge. The existing 1.5
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