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Potential of a Mechanical Fully-Variable Valve Lift System for Engines with a Side-Mounted Camshaft
Technical Paper
2004-01-1395
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A fully variable mechanical valve gear has been integrated into an engine with a side-mounted camshaft. The design is specified with the peripheral package terms and the resulting criteria of ratings. The additional costs were analyzed too. The first results obtained from a dynamic simulation of the chosen design are described and assessed. Additionally to this the potential of this type of a mechanical fully-variable valve lift system is evaluated in terms of engine torque, power output and fuel consumption by simulating a cyclic process and the comparison with the potential offered by variable valve timing (VVT).
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Citation
Mohr, M., Flierl, R., and Hannibal, W., "Potential of a Mechanical Fully-Variable Valve Lift System for Engines with a Side-Mounted Camshaft," SAE Technical Paper 2004-01-1395, 2004, https://doi.org/10.4271/2004-01-1395.Also In
References
- Schwarzenthal, D. Hofstetter, M. Deeg, H.-P. et. Al. 2000
- Noltemeyer, F. 1976
- Naumann, H. 2000
- Flierl, R. Mohr, M. Development of a fully variable valve lift Valvetrain for high engine revolutions SAE Variable Valve Technology TOPTEC September 2002 Detroit MI, USA
- Flierl, R. Klüting M. The Third Generation of Valvetrains - New Fully Variable Valvetrains for Throttle Free Load Control SAE Paper 2000-01-1227 Detroit 2000