Audi SQ7 features new V8 TDI, 48V system, electric compressor

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Two exhaust-gas turbochargers are activated selectively according to the concept of sequential charging, since exhaust gas only flows through one turbocharger at low and intermediate load. The inlet and exhaust cam shafts each have two cam contours per valve.

Toyota’s new conventional and hybrid powertrains for 2018 Camry deliver significant boost in efficiency

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The engine features VVT-iE on the intake side while utilizing VVT-i (Variable Valve Timing with intelligence) for the exhaust, a highly efficient compression ratio of 13:1 (14:1 for the hybrid version) for increased thermal efficiency and fuel efficiency and a bore and stroke measuring 3.44

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Audi’s mild-hybrid systems: 12V for 4-cylinders, 48V for 6- and 8-cylinders

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The 12-volt system is connected to the main electrical system via a DC/DC converter. In this vehicle, the alternator still operates on a 12-volt basis, and a DC converter couples the 48-volt electrical subsystem.

TDK and Toshiba establish JV for automotive inverters for HEVs, PHEVs, EVs

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Many countries propose to impose more stringent regulation of automobile exhaust emissions in 2020 and after, in an effort to prevent air pollution and global warming. TDK offers a lineup of products, such as DC-DC converters, on board chargers and wireless power transfer systems that are currently being developed. The DC-DC converter in particular utilizes the magnetic material technologies that are the strength of TDK.

DC 9

GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

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On top it has an angled rectangular housing receiving high voltage direct current (DC) cables connected to the battery pack and containing the inverter. The main components of the TPIM are the power board, DC bus capacitor, EMI filters, control and gate drive boards, sensors and busbar.

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DOE to award up to $137M for SuperTruck II, Vehicle Technology Office programs

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Develop and demonstrate an off‐board bi‐directional DC charging system for plug‐in electric vehicles and evaluate impact of grid services on PEV batteries. valve faces, piston crowns, and exhaust ports) to improve fuel economy. Develop advanced solutions for Class 7 and Class 8 heavy‐duty vehicles that eliminates or mitigates the negative effects of current diesel exhaust after‐treatment equipment systems on dual fuel trucks.

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Nissan introduces the e-NV2000 electric van

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A dedicated CHAdeMO DC 50 kW quick charger can recharge the battery from 0-80 percent in 30 minutes or less if the battery is already partially charged. e-NV200. Click to enlarge.

2014 36

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Exhaust system configuration.

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Neste and Boeing to partner on commercialization of renewable aviation fuels

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Neste suggests that high freeze point renewable jet fuel is a potential game changer; it would be used in lower blends: NEXBTL renewable jet fuel has also been tested on 1,187 scheduled Lufthansa flights between Frankfurt and Hamburg in 2011, and one intercontinental flight between Frankfurt and Washington D.C.

2015 15

2019 Ram drops weight, gains 48V eTorque mild hybrid system

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The battery pack includes a 3-kilowatt DC-to-DC inverter to maintain the battery’s state of charge and convert 48 volts to 12 volts to power the Ram 1500’s accessories and charge its conventional 12-volt lead-acid battery. The exhaust manifolds are cast integral with the cylinder heads.

Alphabet Energy introduces PowerModules for modular thermoelectric waste heat recovery; partnership with Borla for heavy-duty trucks

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The company also announced it will partner with Borla jointly to develop and to commercialize a next-generation-exhaust system incorporating PowerModules, with the goal of delivering significant fuel savings for commercial fleet truck fleets.

Sandia study finds high-speed hydrogen-powered ferry and supporting infrastructure in SF Bay feasible

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Electrical architecture: DC power from the fuel cells converted to AC power for the motors. Elimination of diesel fuel spills, diesel odor, and exhaust odor.

Hyundai begins rollout of Ioniq Hybrid, PHEV and EV; most efficient non-plug vehicle, most efficient EV in US; powertrain discussion

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The Atkinson cycle engines features head-block split cooling with a hollow exhaust valve, a long stroke, cooled EGR, and low-friction coating. All Ioniq Electric models are equipped with standard Level-3 DC fast-charging capability that can take up to 100 kW.

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Hyundai begins rollout of Ioniq Hybrid, PHEV and EV; most efficient non-plug vehicle, most efficient EV in US; powertrain discussion

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The Atkinson cycle engines features head-block split cooling with a hollow exhaust valve, a long stroke, cooled EGR, and low-friction coating. All Ioniq Electric models are equipped with standard Level-3 DC fast-charging capability that can take up to 100 kW.

2017 26

Mercedes-AMG Project One PHEV with F1 technology debuts at IAA; 750 kW, 800V

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The exhaust gas and compressor turbines are separated from one another and located at an optimum position to the exhaust side and to the intake side of the V6 engine, and connected to one another by a shaft.

Ricardo to display functional integration prototype of ADEPT 48V “intelligent electrification” diesel

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The supporting systems for electrical and vehicle integration include a 12V-48V DC-DC converter and a Ricardo hybrid supervisory controller. ADEPT schematic. Click to enlarge.

Volkswagen to produce XL1 diesel plug-in hybrid at Osnabrück; 261 mpg US

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The body electrical system of the XL1 is supplied with the necessary 12 Volts via a DC/DC converter and a small auxiliary battery. With the goal of reducing emissions, exhaust gas recirculation and an oxidation catalytic converter as well as a diesel particulate filter are used.

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Gillig offering Vanner Hybrid Beltless Alternator as standard equipment on hybrid buses

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The Vanner HBA uses DC Converter technology to replace the traditional. reduced exhaust emissions; stable DC power at all temperatures and speeds; and precise and maintenance-free. Vanner HBA. Click to enlarge.

DC 7

Audi highlights its range of electrification efforts; Q7 diesel PHEV, A7 fuel cell PHEV, BEV, 48V and more; 750 Wh/l by 2025

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It enables electric cars to be charged with direct current (DC) and alternating current (AC) using the standard Combo 2 connector. The majority of stations currently available on the market support DC charging with 50 kW.

Toyota introduces 2012 Prius Plug-in Hybrid

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With lower exhaust heat, heat efficiency was enhanced, and consequently, fuel efficiency was enhanced as well. The PCU features a compact inverter design with direct cooling of IGBT transistors, and converts DC to 3-phase AC to drive MG1 and MG2. VDC up to 650 volts DC.

Volkswagen to debut XL1 PHEV prototype at Qatar Motor Show; fuel consumption of 0.9 L/100 km (261 mpg US)

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The XL1’s body electrical system is supplied with the necessary 12 Volts through a DC/DC converter. With the goal of reducing emissions, exhaust gas recirculation and an oxidation catalytic converter as well as a diesel particulate filter are used. The XL1 prototype PHEV.

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Major refresh on 2015 Honda CR-V with new Earth Dreams powertrain provides fuel economy gain of up to 12%

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A lightweight cylinder head made of pressure-cast aluminum alloy uses front-located exhaust ports that provide greater freedom in the layout of the close-coupled catalytic converter which mounts directly to the cylinder head. 2015 Honda CR-V. Click to enlarge.

BorgWarner adds new production line in China for EGR valves

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BorgWarner is expanding capacity in Ningbo, China, with a new production line for its latest exhaust gas recirculation (EGR) valves. BorgWarner’s latest EGR valve features an advanced compact actuator with a DC motor to deliver high torque, fast response and reliable operation. Integrated sensors provide feedback to a closed-loop control system, positioning the valve to precisely control recirculated exhaust gas.

Pierburg GmbH electric compressor for turbos

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Pierburg GmbH, part of the KSPG Group, has developed an electric compressor for spontaneously boosting the charge pressure of engines fitted with an exhaust-gas turbocharger. This component allows pressure to be increased regardless of the exhaust-gas energy availability.

Prius c hybrid goes on sale in US with entry MSRP of $18,950; new transaxle, motor technology

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Ah NiMH battery and a variable-voltage system in which a boost converter boosts the operating voltage of the system to a maximum of 520 V DC. It features a high-expansion ratio Atkinson cycle, Variable Valve Timing-intelligent (VVT-i) system, Electric Throttle Control System-intelligent (ETCS-i) and Exhaust Gas Recirculation (EGR) system employing a newly designed, highly efficient EGR cooler from Denso ( earlier post ). DC (1.2

KSPG awarded $342M in contracts for new compact EGR valve

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Pierburg GmbH, a member of the KSPG Group, has been awarded contracts worth a lifetime total of €250 million (US$342 million) for a newly developed compact exhaust-gas recirculation valve. The cEM EGR valve serves to precisely control the recirculated mass of exhaust gases.

Volkswagen Group shows 3 hydrogen fuel cell concepts at LA Show: Audi A7 Sportback h-tron; Golf Sportwagen HyMotion; Passat HyMotion

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Because the exhaust system only has to handle water vapor, it is made of weight-saving plastic. The battery operates at a different voltage level than the fuel cell; hence, there is a DC converter (DC/AC) between the two components—this tri-port converter is located behind the stack.

Daimler to begin production and sales of Fuso Canter Eco Hybrid in Europe

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This engine has an exhaust gas recycling system and a particle filter. The DC-DC voltage converter is also integrated in the battery holder. Elements of the hybrid drive for Eco Hybrid: electric motor between clutch and Duonic gear box; Li-ion battery pack; power electronics.

First drive: US spec Audi A3 Sportback e-tron plug-in hybrid; 83-86 MPGe with 16-17 mile EV range

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Its heart is the exhaust manifold integrated into the cylinder head. It quickly warms up the engine following a cold start, and at high load the water jacket reduces the temperature of the exhaust gas.

Plug 12

Mitsubishi to begin offering customers test drives of North American spec i-MiEV in November

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To exhaust the conditioned air that circulates around the battery pack. On-board vehicle charger & DC/DC converter. North American spec i-MiEV. Click to enlarge.

More details on the Mercedes-Benz S500 PLUG-IN HYBRID; new warranty for battery and PEEM

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The high-voltage battery feeds the electric motor through a water-cooled DC/AC converter, the power electronics. To optimise the effort for wiring, packaging and cooling, the DC/AC converter has been integrated into the engine space. S 500 PLUG-IN HYBRID. Click to enlarge.

Plug 12

Toyota R&D continues work on free piston linear generators for EVs; novel resonant pendulum control method

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The piston and cylinder head form a combustion chamber, which includes an exhaust valve, ignition plug, and fuel injector. When the generated power during the expansion stroke is larger than that during the compression stroke, the maximum DC power is generated.

Volkswagen launches new Passat GTE plug-in hybrid in Europe

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Full integration of the exhaust manifold in the cylinder head lets the 1.4 There is also an exhaust camshaft adjuster.

Continental introduces electric Active Purge Pump (APP) to meet stricter hydrocarbon evaporation legislation around the globe

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The pump used for this action is a very compact and light-weight radial pump, driven by a highly efficient brushless DC motor. —Stefan Grüneis, product manager for Continental exhaust and and emissions actuators.

Ford Conducts Design of Experiment Investigating Thermoelectric Energy Regeneration

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Conceptual schematic of direct thermoelectric generator mounted in a vehicle’s exhaust stream. The exhaust energy content of Atkinson-cycle engines, which are used in many hybrid powertrains, is lower than conventional IC engines due to the cycle’s inherently higher thermal efficiency.

EU investing >€3M in research into ultra-efficient aero engines; ULTIMATE project

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Core exhaust loss. The “Core exhaust” loss is primarily due to thermal energy lost to the surroundings, although some excess kinetic energy and fluid friction associated pressure losses contribute as well. Core exhaust loss.

BorgWarner Electric Butterfly EGR Valve to Debut with Diesel Engine OEM in 2010

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BorgWarner is introducing an electric butterfly EGR (exhaust gas recirculation) valve for diesel applications. Recirculating exhaust gas and combining it with an air and fuel mixture reduces the combustion temperatures that produce NO x emissions.

2018 Honda Accord Hybrid features third-generation MMD two-motor system; no heavy rare-earth metals in motors

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Advances in engine control tuning together with other technologies combine to create excellent power characteristics, exceptional fuel efficiency and very low exhaust emissions. The 2018 Accord is the 10 th generation of Honda’s perennially best-selling midsize sedan.

Aura Systems and Cyclone Power Technologies partner for renewable power generation

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Cyclone’s advanced external combustion engines are capable of converting recovered exhaust heat from industrial furnaces, biomass gasifiers and other waste sources into mechanical power. AuraGen units produce consistent rated power, at a wide range of engine speeds, as well as generating AC and DC power simultaneously in a variety of voltages. Aura Systems, Inc. and Cyclone Power Technologies, Inc.

Honda launches 2017 Accord Hybrid; 2nd generation two-motor hybrid powertrain

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These increases were the result of engine control tuning that together with other technologies combine to create excellent power characteristics, exceptional fuel efficiency and very low exhaust emissions. Honda has launched the 2017 Accord Hybrid ( earlier post ) at its dealers in the US.