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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

Green Car Congress

At the 21 st Supercharging Conference in Dresden next week, Torotrak Group will present results from engine testing that verify previous claims for V-Charge, a variable drive mechanical supercharger. V-Charge system with mechanical variable drive outperforms conventional boosting methods on downsized gasoline engine. Click to enlarge.

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PUNCH and Tecnogen present hydrogen-engine generator with integrated F1-derived flywheel system

Green Car Congress

PUNCH Group and Tecnogen (part of Bruno Generators Group) is presenting a hydrogen engine generator with an integrated flywheel system at bauma. A hydrogen engine by PUNCH Hydrocells is combined with a Flywheel Power System by PUNCH Flybrid. These components are integrated into a generator set developed in collaboration with Tecnogen.

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Split injection Miller cycle with boost decreases knock tendency and increases torque in downsized engine

Green Car Congress

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. —Wei et al. L and a compression ratio of 10:1.

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MAHLE Powertrain presents new prototype 48-volt battery for mild-hybrid vehicles

Green Car Congress

MAHLE Powertrain is presenting a new, prototype 48-volt battery with optimized battery cooling and cell chemistry to enable increased charge and discharge rates. The next step will be to install the prototype pack into MAHLE Powertrain’s 48V eSupercharged extreme downsizing demonstrator vehicle.

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KIT researchers developing low-pressure carbonitriding process for hardening steel with methylamine; applications in downsized engines

Green Car Congress

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. The KIT researchers, along with their colleagues at Bosch, presented the process in a recent paper published in HTM - Journal of Heat Treatment and Materials.

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HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

Green Car Congress

version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius, according to David Boggs, Ricardo Technical Specialist, Engines, in a presentation at the recent 2011 Directions in Engine-Efficiency and Emissions Research Conference (DEER) hosted by the Department of Energy in Detroit.

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Volvo introducing new downsized 4-cylinder engine range, with fuel economy improvements up to 35%; hybrid and flywheel drive systems

Green Car Congress

The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. The new powertrains are also up to 90 kg lighter than the present ones and fuel economy is improved by up to 35%. It covers the range from high-power and -torque variants to fuel-efficient derivatives.