Variabilities on Gasoline Engines and their Future Potentials

Authors

Dipl.-Ing. E. Rau, Prof. Dr. H. Kohler,
Dr. G. Karl, Dr. K. Fieweger,
Dr. J. Betsch, Dr. B. Krutzsch, Daimler AG, Stuttgart

Year

2014

Print Info

Fortschritt-Berichte VDI, Reihe 12, Nr. 777

Summary

The gasoline engine is the world's dominant source of power for passenger cars and its development potential is far from exhausted. Key development trends focus not only on excellent torque and output but also on reducing consumption and reliably fulfilling all emissions laws and regulations without compromising comfort and durability. The further reduction of fuel consumption is the focus of much of the development work. Among all the various technological innovations and solutions available for gasoline engines, there is no "silver bullet" that fulfills all requirements. Much of this technology has its own specific merits, drawbacks and, depending on the application, legitimacy. To drive progress in the development of different combustion systems, variabilities in the valve train as well as improvements in the injection system, ignition system, charging system, air management, combustion chamber geometry, the necessary charge motion and sensor technology are therefore needed.

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