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HyBoost achieves this by combining aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance, and a micro-hybrid stop-start and energy recuperation systems, Boggs said. Downsizing the 2.0-liter Click to enlarge. —David Boggs. Micro-hybrid market. million units per year by 2020.
A new white paper published by the International Council on Clean Transportation (ICCT), in collaboration with Eaton, Ricardo, JCI, BorgWarner, Honeywell, and the ITB Group, analyzes current turbocharged, downsized gasoline engine technology developments and trends. Source: ICCT. Click to enlarge.
Resources (DOE will publish Merit Review presentations on its website.). Purdue University will work with the team on variable valve train options for warm up and HC control, all leading to the final T2B2 demonstration on a complete, street worthy, driveable vehicle.
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 major part of this gain is due to downsizing the engine. Earlier post.).
Teams should also provide clearly indicated sections on what innovations they have used to confront challenges including: the 120 Hz input current/voltage ripple requirement; miniaturization of components for DCAC conversion; thermal management; and electromagnetic compliance. USABC Electrical and Electronics Technical Team Roadmap (June 2013).
Federal-Mogul Corporation has developed an innovative aluminum piston design that can reliably withstand the mechanical and thermal loads produced by heavily boosted engines, thereby enhancing diesel engine performance and supporting diesel downsizing. The grain size of the re-melted part is approximately one tenth of the as-cast size.
A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The team presented a paper on their work at the recent SAE 2009 World Congress in Detroit. Cairns et al. SAE 2009-01-0138).
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.
In contrast, the standards recently announced by the Obama Administration, while attainable, require downsizing and a shift in the fleet mix away from SUVs. More rapid technological progress makes the standards easier to achieve, but still requires changes in fleet characteristics, either through the car/truck mix or weight and engine size.
Christopher Thomas, BorgWarner VP, Advanced Engineering, Engine Group and VP, Advanced Engineering, Drivetrain Group presented the basic concepts of VEMB and current BorgWarner test results at the recent SAE 2012 High Efficiency IC Engine Symposium. Total cost of implementation is much less than $10/1%, he said. and Sisson, J. and Becker, M.,
Even in the BRICs, ICE downsizing has become a big deal. The survey found that most companies are hedging their bets and spreading funding across a wide range of areas, with ICE downsizing and plug-in hybrids expected to receive the greatest investment over the next 5 years. —“14 th Annual Global Automotive Executive Survey”.
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.
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.) Fabien Redon. and Headley, J.,
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.
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.
Downsizing the Si particles, alloying Si with metals, and making Si/C composites are some methods proposed to relieve the volume expansion effect. Pure Si loses most of its capacity after a few cycles because the significant volume change during lithium insertion/extraction causes breakdown of the electrode structure.
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.
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 improved fuel economy 17%, and downsizing from a 4.2L
Even for an aggressively downsized engine such as the 1.0-liter Downsized EcoBoost engines combine surprising power with excellent fuel efficiency through direct fuel injection, turbocharging, and variable valve timing. liter EcoBoost, at the European Research and Innovation Centre in Aachen, Germany. —Andreas Schamel.
The company plans to commercialize the motor system after finalizing other technologies for motor/inverter cooling, downsizing and efficiency. The newly developed cylinder-shaped inverter matches the diameter of the motor, enabling them to be connected coaxially within a chassis, resulting in a substantial downsizing of the motor system.
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. —Guy Morris.
Addressing key global environmental issues such as climate change, water shortages, resource depletion, and degradation of biodiversity, the Toyota Environmental Challenge 2050 aims to reduce the negative impact of manufacturing and driving vehicles as much as possible. that can improve the fuel efficiency of hybrids by 10 percent.
Notably, we highlight the importance of fast charging, which is essential for downsizing aircraft and batteries to reduce cost while achieving high vehicle use rates to maximize revenues. Further, eVTOL batteries should continue functioning even after a safety incident occurs until a safe landing. —Yang et al. Yang et al. Yang et al.
The pneumatic hybrid engine, which follows the downsizing and supercharging paradigm, offers a fuel-saving potential that is almost equal to that of hybrid electric powertrains while inducing much lower additional mass and cost penalties, according to the ETH Zürich researchers. The compressed air supply also allows extreme downsizing.
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. Wheeler, J., Polovina, D.,
Carmakers are developing a wide variety of new powertrain systems, from downsized thermal engine, to hybrid systems to full electric motorization. AMEC—a flexible microcontroller interface for engine control—will be first available in OLEA, Scaleo chip’s new family of microcontrollers optimized for powertrain systems.
Higher RON in the fuel blend would enable greater thermal efficiency in future engines through higher compression ratio (CR) and/or more aggressive turbocharging and downsizing, and in current engines on the road today through more aggressive spark timing under some driving conditions. Anderson, D.M. DiCicco, J.M. Kramer, T.G. Leone, H.E.
The very fast charge allows us to downsize the battery without incurring range anxiety. The researchers said that the key to long-life and rapid recharging is the battery’s ability to heat up quickly to 60 ?C C for charge and discharge, and then cool down when the battery is not working. —Professor Wang.
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 —Skarke et al.
Given the properties of the fuel blend, improved fuel efficiencies can be generated by several approaches, including downsizing/downspeeding; increased compression ratio; reduced enrichment; and the leveraging of improved efficiency at part load. Downsizing/downspeeding. Using E10 with the higher CR significantly degrades performance.
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.
This first report (Phase I) examines only the impact of improving the efficiency of fossil-fueled vehicles, in which efficiency gains are delivered by the improvement of the internal combustion engine vehicle, including lightweighting, engine downsizing and hybridization. —“An Economic Assessment of Low Carbon Vehicles”.
The resultant low temperature results in the near elimination of engine out NO x.strong synergies exist when coupling jet assisted ignition with engine downsizing at both high and low engine loads. Strong synergies also exist at high load when applying the jet ignition combustion system to a heavily downsized platform.
Port assisted direction injection (PDI)—a dual injection system for combining the benefits of port fuel injection (PFI) and direct injection (DI), and enabling a dual fuel system approach for high compression ratios and extreme downsizing on boosted engines.
As a secondary effect, the battery system capacity could be downsized by 3.3 While keeping to the crash standards, the fka team determined that the weight of the total body structure could be reduced by 162 kg (357 lbs) compared to the electric reference steel-unibody.
Our fast-charging technology works for most energy-dense batteries and will open a new possibility to downsize electric vehicle batteries from 150 to 50 kWh without causing drivers to feel range anxiety. Credit: EC Power. The work was supported by the US Department of Energy, the US Department of Defense, the US Air Force and the William E.
The team sees further potential for fuel economy improvement with engine downsizing. The H2-DI engine was estimated to exceed 2016 CAFE targets with engine out Tier 2 Bin 2 (SULEV) emission levels. Source: Wallner 2011. Click to enlarge. The DOE-funded project concluded in September.
Among their findings: LTC-HEVs offer the opportunity for fuel economy improvement when further engine downsizing is limited. Range-extended electric vehicle (REEV) architecture enables Atkinson engines to constantly operate at high-efficiency zone, which is favorable in engine downsizing. —Wang et al. —Wang et al.
When presented with a list of technologies analyzed within a National Academies of Science report ( earlier post ) that might be used to meet fuel-efficiency standards, suppliers picked turbocharging and engine downsizing, along with higher-speed automatic transmissions, as the most critical.
GDI technology provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Resources. Particle number vs. particle mass for various LDV engine technologies. Source: MECA, Ford Motor Company. Click to enlarge. Matti Maricq, Joseph J.
downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. Working principle of FEV’s two-stage VCR system. Click to enlarge. Kleeberg, H., Tomazic, D.,
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.
Resources. “GT²: GT²: Two-stage Charging as a Downsizing Concept for Large SI Engines”; FEV Spectrum No. Borg-Warner contributed the turbocharger hardware for the project. The two-stage charging system is currently installed in a demonstrator vehicle and undergoing road testing.
Downsizing a gasoline engine (e.g., AVL reasoned that merging turbocharged GDI with a mild hybrid function can result in excellent driveability even with the combination of strong downsizing and downspeeding. Comparison of Fuel Consumption, Fun to Drive and System Cost of the different powertrain concepts. Click to enlarge.
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