Friction (Loss) Reduction – Basis for the Sustainability of the Internal Combustion Engine

Authors

Dr.-Ing. J. Schommers, Dipl.-Ing. G. Doll,
Dr.-Ing. R. Weller, Dr.-Ing. T. Behr,
Dr.-Ing. H. Scheib, Dipl.-Ing. M. Löffler, Dipl.-Ing. J. Böhm, Dr.rer.nat. M. Hartweg,
Dipl.-Ing. A. Bosler, Daimler AG, Stuttgart

Year

2012

Print Info

Fortschritt-Berichte VDI, Reihe 12, Nr. 735

Summary

Automotive mobility is shaped by the scarcity of fossil fuels, more demanding customer expectations with respect to fuel efficiency, and by global legal requirements regarding future CO consumption for fleets. Mercedes-Benz accepts these challenges by promoting its internal objectives of Green Technology Leadership, which applies to drive systems in particular. Safeguarding the future of the combustion engines largely has to do with further improving operating efficiency and minimizing friction losses. Although many measures have been implemented to optimize thermodynamics and gas exchange behaviour, a great deal of potential is still available in hydraulic circuits, bearing systems and valve trains. Recent developments made in the area of reduced fuel consumption are primarily the result of lower friction and will be explained in detail as they pertain to Mercedes-Benz engines.

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