Potential of a Mechanical Fully-Variable Valve Lift System for Engines with a Side-Mounted Camshaft
Date Published: 2004-03-08
Paper Number:2004-01-1395
DOI: 10.4271/2004-01-1395
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, doi:10.4271/2004-01-1395.
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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