Green Car Congress

NOVEMBER 1, 2016

In its new report on downsized and boosted gasoline engine technologies ( earlier post ) the ICCT highlighted Ricardo’s work on an “extreme” Miller cycle concept with high (13:1) compression ratio (CR) and central direct injection in a downsized boosted engine. A long exhaust stroke then extracts maximum efficiency. Resources.

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Concept Downsizing 2016 Congress 150

Green Car Congress

MARCH 19, 2019

Fuel economy and emissions regulations are driving engine downsizing and down speeding in commercial vehicles, which is resulting in the need for higher braking efficiency to maintain braking effectiveness at lower speeds.

Eaton 199

Eaton Fuel Economy Exhaust Economy 199

Green Car Congress

OCTOBER 10, 2012

Starting from a energy-based powertrain simulation model validated on experimental data from the PHEV, the researchers conducted a first- and second-law analysis to identify the potential for engine waste heat recovery, considering a variety of driving cycles and assuming the vehicle operating in charge-sustaining (HEV) mode.

Waste 312

Waste PHEV Fuel Exhaust 312

Green Car Congress

SEPTEMBER 9, 2014

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.

Diesel 231

Diesel Downsizing Lead Acid Gasoline-Electric 231

Green Car Congress

JUNE 29, 2016

The concept of “intelligent electrification” enables highly aggressive engine downsizing and down-speeding beyond what might normally be possible other than through more expensive hybridization approaches. Further energy recovery is achieved from CPT’s exhaust-mounted 48V turbine integrated exhaust gas energy recovery system known as TIGERS.

Emissions 150

Emissions Hybrid Affordable Future 150

Green Car Congress

MAY 18, 2015

Conflicting evidence does not support making a firm conclusion on the fuel consumption benefit of catalysed Exhaust Gas Recirculation (EGR), according to a review of current studies by a team at the University of Bath (UK). According to the review, the conversion of HCs, CO, and NO in the exhaust gas by the catalyst can result in up to a 4.5%

Fuel 150

Fuel Exhaust Gas Engine 150

Green Car Congress

MAY 27, 2014

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. The new turbocharged engine delivers power and acceleration performance equivalent to non-turbocharged 2.5L engine while reducing emissions.

Japan 262

Japan Nissan Fuel Economy Economy 262

Green Car Congress

MARCH 7, 2019

will address natural gas engine emissions and efficiency improvements by developing a natural gas specific combustion design utilizing optimized in-cylinder charge motion and cooled exhaust gas recirculation (EGR). Downsized, Optimized, High Efficiency, Spark Ignited Natural Gas Engine. Cummins Inc.

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Gas Vehicles Exhaust Engine 191

Green Car Congress

JANUARY 11, 2010

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.

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Fuel Economy Downsizing Vehicles Waste 199

Green Car Congress

FEBRUARY 4, 2013

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. PSA has filed for two patents on its work. PSA concept D-EGR engine.

Gasoline 268

Gasoline 2018 Engine Commercial 268

Green Car Congress

SEPTEMBER 22, 2009

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

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Downsizing Electric Electrical Exhaust 231

Green Car Congress

AUGUST 4, 2011

Since this energy loss is primarily thermal in nature and can be attributed to the exhaust, cooling system, and engine and transmission surfaces, Mazda’s R&D team’s central focus is on improving the engine’s thermal efficiency cost-effectively. Extreme compression ratio rather than downsizing. Although downsizing—i.e.,

Mazda 322

Mazda Engine Gasoline Diesel 322

Green Car Congress

OCTOBER 29, 2019

Using the pressure from the exhaust gas from the active cylinders, the ‘idle’ cylinders could be expanded to extract more work out of the engine during partial load operation. ECONAMIQ provides greater savings potential than the popular downsizing of internal combustion engines, while the benefits of a larger displacement is preserved.

Fuel 186

Fuel San Jose 2019 Engine 186

Green Car Congress

MARCH 14, 2010

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. With the provisional NEDC fuel consumption of 10.5

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Downsizing Standards Fuel Mercedes 186

Green Car Congress

SEPTEMBER 29, 2011

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.

Volt 207

Volt Hybrid Downsizing Lead Acid 207

Green Car Congress

AUGUST 25, 2015

Knock and fuel octane rating are becoming increasingly important due to many powertrain design trends including downsizing, downspeeding, cylinder deactivation, and hybridization. … The concept of an “effective octane number” calculates overall knock resistance of fuel in modern engines, including the effects of charge cooling.

Engine 150

Engine Fuel GM Ford 150

Green Car Congress

SEPTEMBER 12, 2011

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 Auto-Start-Stop, Active Grille Shutter and Ford Smart Regenerative Charging will also be available as part of the Focus and C-MAX 1.0-liter

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Ford Engine Range Exhaust 316

Green Car Congress

SEPTEMBER 7, 2009

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.

Engine 240

Engine Range Exhaust Downsizing 240

Green Car Congress

JULY 4, 2010

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.

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Exhaust Energy Storage Gas-Electric Downsizing 218

Green Car Congress

MAY 8, 2015

Owing to a higher boost pressure on the inlet side, the engine attains optimal cylinder charges despite the shorter intake time. Thanks to this rightsizing approach, the new engine enjoys the consumption benefits of a downsizing engine in partial load operation, while at higher loads it has the advantages of a large-displacement engine.

Audi 150

Audi MPG Downsizing 2015 150

Green Car Congress

APRIL 19, 2013

In a direct injection engine, they noted, the cooling of the charge and consequent knock relief provided by the evaporation of the fuel is proportional to the fuel flow per unit mass of air. Further, the effect of charge cooling on reducing the rate of autoignition kinetics is amplified by the high sensitivity of ethanol.

Engine 253

Engine Fuel Ford Future 253

Green Car Congress

APRIL 5, 2011

Improving the gas exchange and significantly lowering charge temperatures leads to a shift toward leaner air-fuel ratios. The second-generation HECS has been adapted to a downsized 1.6L A dual-wall exhaust also reduces heat loss in order to accelerate catalyst light-off during cold starts.

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Congress 2011 Diesel Exhaust 218

Green Car Congress

FEBRUARY 18, 2014

This results in a range of system level requirements from different manufacturers, dictated by vehicle targets and other issues such as battery state-of-charge and energy storage capability. The exhaust gas can reach temperatures greater than 900 °C, whereas the turbine upper functional limit is 850 °C.

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Congress Hybrid Exhaust Gas-Electric 236

Green Car Congress

JANUARY 17, 2017

Another part of this year’s show presentation was devoted to exhaust-gas recirculation on gasoline engines. The exhibits comprise types of valves for turbo-chargers including an extremely compact exhaust-gas recirculation valve which helps save fuel on both normally aspirated and, especially, turbocharged engines.

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Parts 2020 Sale Gasoline-Electric 150

Green Car Congress

NOVEMBER 30, 2009

This is to be achieved through the synergistic application of an extremely downsized gasoline engine coupled with electrified boosting and exhaust gas energy recovery; micro-hybrid functionality with stop/start, torque assist and regenerative braking; and a novel energy storage technology. Earlier post.)

Lead Acid 225

Lead Acid CO2 Exhaust Gasoline-Electric 225

Green Car Congress

FEBRUARY 22, 2018

Polycyclic aromatic hydrocarbons (PAHs) and nitrated PAHs were quantified in both the vapor and particle phases of the PM, with the GPF-equipped vehicles practically eliminating most of these species in the exhaust. liter downsized turbocharged centrally-mounted direct injection engine. The first was equipped with a 2.0-liter

Gasoline 253

Gasoline Emissions Engine Fuel Economy 253

Green Car Congress

NOVEMBER 21, 2011

The EcoBoost approach enables the downsizing engine capacity—replacing naturally-aspirated engines with much smaller units without sacrificing power output. Compared to conventional fuel injection, direct injection produces a cooler, denser charge, delivering improved fuel economy and performance.

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Fuel Economy China Economy 2015 236

Green Car Congress

OCTOBER 16, 2013

Early versions of direct injection employed a stratified injection strategy which included late fuel injection and charge air motion to produce a stoichiometric air/fuel mixture in the vicinity of the spark plug and, thereby, avoid pumping losses from the need to throttle the engine at light load. —Maricq et al. Click to enlarge.

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Standards Emissions Miles Engine 246

Green Car Congress

JUNE 18, 2013

This will be done with a broad range of efficiency-enhancing technologies, including the turbocharging of downsized engines. Only with turbochargers can engines be downsized, he said, which can potentially offer a 7-8% percent fuel saving. Automating the manual transmission, for example with the eClutch.

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Future Gasoline-Electric Vehicles Gasoline 291

Green Car Congress

JANUARY 2, 2018

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. High boost pressure can compensate for the decreased intake charge of the Miller cycle. 2017.11.006.

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Downsizing Engine Fuel Economy E6 186

Green Car Congress

MAY 6, 2013

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. with a variable delivery rate.

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2014 Diesel Standards Exhaust 306

Green Car Congress

SEPTEMBER 23, 2014

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. Westport Innovations Inc.

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Diesel Gas Fuel Economy Power 259

Green Car Congress

SEPTEMBER 15, 2016

A key part of the overall efficiency gain is the downsized 11-liter Volvo engine, featuring advanced fuel injection, cooling, oil and turbo-charging systems, as well as new “wave” pistons and other improvements. This new design added “wave” bumps on the side of the piston bowl, which allows the fuel to burn more cleanly.).

Volvo 150

Volvo Fuel North America Waste 150

Green Car Congress

AUGUST 4, 2009

Heat required to bring the fuel to SC states is recovered from the exhaust gas of the engine. Given the high reactivity of diesel fuels compared to gasoline, the ignition and combustion of pre-mixed fuel-air charges poses a challenging control problem. Earlier post.). At SC conditions, however (T? At SC conditions, however (T?450

Diesel 225

Diesel Fuel Emissions 2009 225

Green Car Congress

MARCH 6, 2012

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). TSI of the Polo BlueGT, an exhaust camshaft adjuster is added.

MPG 257

MPG Fuel Economy Gasoline Engine 257

Green Car Congress

MARCH 27, 2015

The Freightliner SuperTruck uses a downsized and downsped 10.7-liter The Freightliner SuperTruck features a low-back-pressure, next-generation aftertreatment system that efficiently removes NO x from the exhaust stream. The aftertreatment system features additional insulation to retain maximum heat energy in the exhaust.

2009 150

2009 Engine Detroit Oregon 150

Green Car Congress

DECEMBER 11, 2012

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 specifications also stipulated a specific power of 50 kW per liter. Three cylinders.

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Engine Gasoline Fuel MPG 281