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Simulation study finds Miller version of Scuderi engine can deliver twice the BMEP as naturally aspirated version, theoretically enabling 50% downsizing while maintaining performance. Applying the Miller cycle to the Scuderi engine (right) entails downsizing of the compression cylinder. Source: Scuderi. Click to enlarge.
bar decreases the BSFC (brake specific fuel consumption) up to 14% compared to the air-hybrid engine, while resulting in a simultaneous increase in the engine’s power BMEP (brake mean effective pressure) by 140%. The power stroke is positive work, or the energy that is produced by the expanding gases to create mechanical work.
As part of its strategy of developing solutions to reduce CO 2 emissions, Valeo has acquired the Variable Torque Enhancement System (VTES) ( earlier post ) business of UK automotive technology development company Controlled Power Technologies (CPT). Unlike exhaust-driven turbochargers, electric superchargers are driven by an electric motor.
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. The engine delivers a specific power of more than 100 kW/L and offers enhanced part load efficiency with significant improvements in low-end torque. Click to enlarge.
Achates Power says that its 2-stroke OP engine offers higher best point brake thermal efficiency than diesel or gasoline engines. Source: Achates Power. In December 2012, the US Army Tank Automotive Research, Development and Engineering Center (TARDEC) awarded Achates Power, Inc., Click to enlarge. Earlier post.).
The HyBoost project has been led by Ricardo in partnership with Controlled Power Technologies, the European Advanced Lead Acid Battery Consortium, Ford, Imperial College London, and Valeo, with co-funding from the UK government-backed Technology Strategy Board. Earlier post.). The HyBoost concept is based on a 2009 Ford Focus in which a 2.0L
The need to reduce CO 2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. But while these engines easily reach high peak power and torque figures, they struggle to provide the required low-speed response. —Torotrak engineering manager David Burtt, co-author of the paper.
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.
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.
RegEnBoost integrates the three devices into a powertrain electrical power network (PEPN), which also incorporates a DC to DC converter and an enhanced lead acid battery, optimized for fast energy storage and release. Small engines can also be turbocharged to deliver comparable torque and power to a larger naturally aspirated engine.
provided a first look at an image of the power unit currently in development for the 2015 FIA Formula One (F1) World Championship. Honda Formula 1 power unit. liter engines were downsized to 1.6 The second system, the thermal energy recovery system, captures the thermal energy generated from the engine’s exhaust.
Under the terms of the agreement, Williams will be supplied with a Mercedes-Benz Power Unit (Internal Combustion Engine plus Energy Recovery System) by Mercedes AMG High Performance Powertrains (HPP) based in Brixworth, UK. liter V6 turbocharged hybrid Power Units. Williams will continue to manufacture its own transmission.
Lightweight steel pistons provide reduced friction & compression height with increased power density. Exhaust system configuration. The aluminum block and head is sandwiched between an iron backbone cam carrier and iron ladder frame base, firmly held with iron-to-iron bolts.
CO 2 emissions and fuel consumption have been cut by 13% compared to the predecessor engine, while peak torque and peak power have been increased by up to 33%. Achieving these goals enabled vehicle integration that can tune primary engine orders in the induction and exhaust systems to meet specific vehicle objectives. The all-new 1.6-liter,
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. Therefore, by only using the Miller cycle, the anti-knock capability and engine power are compromised.
At the 17 th Supercharging conference this week in Dresden, Controlled Power Technologies (CPT) will launch what it says is the first water-cooled electric supercharger developed for “quasi-continuous” boosting of commercial diesel engines, including those developed for off highway applications. tonnes gross vehicle weight.
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 Power from ORC.
To keep the engine unit as small as possible, the exhaust manifold is integrated within the cylinder head and can therefore be cooled efficiently using the cylinder head water cooling system. As well as being lighter and smaller, it features greater efficiency and power. liter unit. 48-volt hybrid version of the i40. Based on a 1.7-liter
In a 2010 paper, Roger Stone, Engineering Director, Torotrak noted that conventional turbo- and supercharging technologies are more than capable of delivering the required peak power and torque levels from downsized engines but suffer from a number of. It gives the next generation of downsized powertrains ‘big-engine’ response.
One significant trend is engine downsizing coupled with turbocharging. Smaller, turbocharged engines can be used to raise fuel economy while meeting or exceeding the power and torque of larger engines, allowing engine downsizing and improved fuel economy with little or no performance compromise. of new gasoline-fueled LDV sales.
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. The three-port IEM and twin-scroll turbo design really opened us up to have outstanding power and refinement.
By changing the gear ratio of the CVT, the SuperTurbo is able to either pull power from the crankshaft to provide a supercharging function, or to function as a turbo-compounder, where energy is taken from the turbine and given to the crankshaft. Downsizing from a 3.2L improved fuel economy 17%, and downsizing from a 4.2L
The PU106A Hybrid Power Unit. At the core of the racer is the new PU106A Hybrid Power Unit designed to meet the new philosophy and resulting requirements of Formula One. With a normally aspirated engine, the power potential is controlled by the flow of air into the engine via the capacity and the rpm it can be run at.
liter V10, the twin-turbo V8 develops 51 kW (70 hp) or around 15% more power, yet consumes 3.0 The engine delivers 650 N·m (479 lb-ft) of torque between 1,700 and 5,500 rpm; and peak power (382 kW/520 hp) is developed at 5,800 rpm. The twin-scroll technology prevents the exhaust gas flows from influencing each other.
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. Specific power is almost 120 hp/liter, a value on a par with sportier engines. Maximum power output kW (HP - EC) at rpm (NORMAL). Top speed for the MiTo with the 0.9-liter
Steels hardened in this way are suited for use in components subjected to high mechanical and thermal loads in downsized, energy-efficient and low-emission engines of the future. Combustion engines still have potential to save energy and reduce emissions; a current trend is to use downsized engines of the same or even increased power.
Highly turbocharged alcohol-fueled direct-injection spark-ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.
The fuel economy study, using GT Power, encompassed both a naturally aspirated 1.5-liter, liter, 3-cylinder design of the Pinnacle engine, as well as a downsized, turbocharged 750cc Pinnacle design. In this study, the turbocharger was investigated with and without downsizing. less than with the exhaust cam also phased.
The Delphi study assessed the technology of downsizing and turbocharging; GDI fueling and its synergies with turbocharging; and an analysis of downsized 3-cylinder versus 4-cylinder engines. Downsizing can be accomplished via reduction in the number of cylinders, and/or a reduction in the displaced volume of each cylinder.
Controlled Power Technologies’ VTES (Variable Torque Enhancement System) electric supercharger ( earlier post ) is being incorporated in a project by engine developer AVL ( earlier post ) and will also feature in the Ricardo-led £3 million (US$5-million) HyBoost program announced by the Technology Strategy Board on 9 September ( earlier post ).
Ford expects up to 90% of its nameplates sold in North America will be available with downsized direct-injected turbocharged engines by 2013. BorgWarner has been actively increasing capacity to meet the high-growth potential for turbocharged vehicles that require more powerful, yet fuel- and space-efficient engines.
Toshiba Corporation launched its first direct methanol fuel-cell product: Dynario, an external power source that delivers power to mobile digital consumer products. As a result, battery exhaustion has become a concern. Dynario, fuel cartridge and consumer device. Click to enlarge. Earlier post.) Click to enlarge.
In a series hybrid vehicle, the Range Extender engine is attached to an electricity generator and provides an efficient source of energy to power the electric motor directly or charge the vehicles battery. Integrated Exhaust Manifold. An integrated exhaust manifold has potential to: Reduce parts count: 18 fewer components resulting.
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. At idle and low loads, rebreathing of hot exhaust gases provided stable compression ignition with very low engine-out NO x and PM emissions.
Freescale Semiconductor announced the first of several powerful multicore automotive MCUs that help automotive designers improve engine efficiency and reduce exhaust pollution. Freescale’s Power Architecture products are also supported by its global systems labs and software customization services. The new MPC5676R MCU.
Various SSC engine models were sized to match the acceleration and power of the Sentra’s conventional engine. The most favorable results were obtained using a preliminary model of the turbocharged SSC engine with a downsized compression cylinder configured to operate in air-hybrid modes.
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 plans to offer this product worldwide as a solution to meet tighter fuel-efficiency and exhaust regulations. Schematic of an EGR system. Click to enlarge.
Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. As most engines power the GDI pump through the camshaft drive, a conventional approach would usually require a costly redesign and strengthening of the camshaft mechanism.
The new approach to natural gas combustion technology is designed to provide vehicle and engine original manufacturers (OEMs) with a “downsized” natural gas solution that is cost competitive while providing similar levels of power, torque, and fuel economy to a larger diesel engine.
Downsized EcoBoost engines feature turbocharging, direct injection and other technologies and replace larger engines with no loss of performance and with lower fuel consumption. Yet, despite its small capacity and proportions, the design delivers power and performance to rival a traditional 1.6-liter liters globally. With its 1.0-liter
liter ELC-Hybrid to downsized 1.4L VTES + SpeedStart. CPT and AVL’s most recent work assesses the potential of a VTES equipped downsized ELC-Hybrid vehicle in combination with the CPT SpeedStart Integrated Starter Generator ( earlier post ) and the UltraBattery. Click to enlarge.
has launched the New Skyline 200GT-t (the next-generation turbo model) featuring a high-power, fuel-efficient lightweight turbocharged gasoline engine with maximum power output of 155 kW?(208 The new turbocharged engine delivers power and acceleration performance equivalent to non-turbocharged 2.5L km/L (32 mpg US, 7.35
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
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. Torotrak’s V-Charge technology combines a proven compressor with Torotrak’s compact variable drive Click to enlarge.
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