Technical Papers

April 2021

Investigation of the Relative Performance of Vaned and Vaneless Mixed Flow Turbines for Medium and Heavy-Duty Diesel Engine Applications With Pulse Exhaust Systems

Author: Garrett’s contribution to this paper through Andrew Gardner

Abstract: This paper details results of a numerical and experimental investigation into the relative performance of vaned and vaneless mixed flow turbines for application to…

Read More
April 2021

A New Generation Lean Gasoline Engine for Premium Vehicle CO2 Reduction

Author: published at SAE WCX Digital Summit 2021

Abstract: In an era of rapidly increasing vehicle electrification, the gasoline engine remains a vital part of the passenger car powertrain portfolio. Lean-burn combustion is…

Read More
March 2021

SWUMBLE 3-Cylinder High Efficiency Gasoline Engine for Future Electrified Powertrains

Author: IFP Energies Nouvelles Team: Dr.-Ing. T. Leroy, Dr.-Ing. L. Nowak, Ing. X. Gautrot, Ing. L. Martinez Alvarado, Dr.-Ing. M. Kassa, Ing. P. Granier ; Garrett Motion Team: Ing. D. François, Ing. N. Bontemps, Ing. P. Davies

Abstract: Stringent worldwide CO2 targets are leading the automotive industry towards carbon neutrality. Although the deployment of electric vehicles is part of the solution, a…

Read More
November 2020

The smallest CV VNT (TM) developed for Euro VI+ & Japan PPNLT light duty commercial applications with extreme braking

Author: S. Ikeda, O. Senekl, V. Kalyanaraman

Abstract: Challenging emissions and fuel consumption legislations across the globe drive continuous evolution of VNTTM turbocharger technologies. In the light duty (100 kW – 140…

Read More
October 2020

SC-VNT™ a route toward high efficiency for Gasoline Engines

Author: N. Bontemps a, D. François a, J.C. Sierra a, P. Davies a, L. Lazzarini Monaco b, A. Fuerhapter b

Abstract: CO2 targets and anticipation of Eu7 Legislation is accelerating the widespread adoption of VNT turbochargers for Gasoline engines. VW set the industry best BSFC…

Read More
October 2020

Electric Turbo, a Technology for Stoichiometric Combustion and Increased Efficiency

Author: D. Zecchetti a, S. Heintz a, M. Maniar a, J. Keuler a, P. Davies b

Abstract: The next Euro 7 Emission Regulation will probably require gasoline engines to have full λ=1 combustion operation, in order to limit production of pollutants…

Read More
February 2020

Hydrogen Fuel Cell Vehicles to Accelerate Electrification in the Global Auto Industry | Garrett Motion Whitepaper

Author: Garrett Motion Inc | Electric & Hybrid Technologies

Hydrogen fuel cell electric vehicles (FCEVs) will play a significant role alongside battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEV) in the global…

Read More
November 2019

Electric Turbo Whitepaper | A key Technology for EU7 – Hybridized Powertrain (Lambda 1, Performance and Energy efficiency)

Author: P. Davies a, N. Bontemps a, P. De Araujo a, D. Zecchetti b, S. Heintz b

Abstract: Hybrid Powertrains are growing in popularity around the world. The derivative known as Mild Hybrid using 48V Technology is gaining significant acceptance from OEM’s…

Read More