Technical Papers

September 2017

The new 1.5l TSIevo gasoline engine from Volkswagen – Miller Cycle and Turbocharging with variable turbine geometry

Author: M. Görke, D. Hagelstein, M. Künstner, J. Theobald; Volkswagen AG | M. Protiva, N. Morand, D. Jeckel; Honeywell Transportation Systems

In addition to meeting future emission regulations, a significant reduction in fuel consumption in real customer operations with a higher vehicle performance has been the…

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September 2017

RDE and CO2 relevant Boosting Technologies for Passenger Cars

Author: L. Pohorelsky, J-S. Roux, E. Bouvier, P. Rathmann, D. Jeckel

As more stringent emission and fuel economy legislation are  implemented around the world it is evident that vehicles and powertrains will soon have significantly increased…

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June 2017

Boosting Technologies for RDE and CO2 targets

Author: P. Davies, D. Jeckel, JS Roux, L. Pohorelsky

Technical paper covering emission drivers 2015 through 2017, background on the CO2 challenge, Diesel and Gasoline technologies as well as enablers for hybridisation.

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June 2017

VNTTM Turbocharger for Gasoline “Miller” Engines | Extension to 90kW / Litre

Author: N. Bontemps, J.-S. Roux, D. Jeckel, A. Schloßhauer, D. Lückmann, R. Aymanns | Garrett Motion | Honeywell Transportation Systems | Honeywell Turbo Technologies, Thaon-Les-Vosges, France | Institute for Combustion Engines, RWTH Aachen University, Aachen, Germany | FEV Europe GmbH, Aachen, Germany

Abstract: Up to now, the demand for high specific power and torque was the main driver for boosting the engine. Over the years, it also…

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May 2017

Future High Efficiency, Low Emission, High Performance Gasoline Engines: Boosting Systems as a Key enabler for upcoming legislation

Author: Nathaniel Bontemps

What it does: This technology uses movable “gates” or “vanes” inside the turbocharger to better regulate airflow to precisely match the needs of the engine across…

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April 2017

Variable Nozzle Turbine Turbocharger for Gasoline “Miller” Engine | Basic Principle

Author: PJ Cancalon, N. Morand, G. Agnew, P. Davies | Garrett Motion | Honeywell Transportation Systems

1. Why Combine Miller + VNT Turbo ? Miller Cycle Combustion Benefits Variable Nozzle Turbine, VNT Turbochargers 2. Specific Developments for Gasoline Aerodynamics Reliability Increased…

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October 2016

VNT Turbo for Gasoline Engine

Author: F. Gerard, N. Morand, G. Agnew

VNT Turbo for Gasoline Miller Engine • Why Combining Miller + VNT Turbo ? – Miller Cycle Combustion Benefits – Variable Nozzle Turbine, VNTTM Turbochargers…

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October 2016

Advanced Boosting for Low NOx under RDE Conditions

Author: Peter Davies; Jeckel, Roux

Conclusion • Options exist to further enhance Diesel Performance • Traded for affordable and saleable NOx reduction • As such Boosting can play a significant…

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