Abstract
Chain drives in internal combustion engines frequently induce a disturbing noise, so-called whine noise. Basically, this noise is caused by the chordal action or polygon effect that originates from the periodically changing effective radius of the sprockets. In this article, SmartChain B.V. presents a new roller chain or bushing chain that entirely avoids the disturbing polygon effect. The concept was evaluated by AVL List GmbH, using the multibody dynamics software Tycon.
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References
Sopouch, M.; Hellinger, W.; Priebsch, H.H.: Prediction of Vibroacoustic Excitation due to the Timing Chains of Reciprocating Engines. ImechE 2003, Journal of Multi-body Dynamics, Part K
Schaffner, T.; Sopouch, M.; Hellinger, W.; Ovari, T.; Priebsch, H.H.: Numerische Simulation des Einflusses verschiedener Spannelemente auf die Körperschallanregung durch Steuerkettentriebe. In: MTZ 64 (2003), Nr. 7–8
Sopouch, M.; Hellinger, W.; Priebsch, H.H.: Simulation of Engine’s Structure Borne Noise Excitation due to Timing Chain Drive. In: SAE paper 2002-01-0451
Sopouch, M.; Hellinger, W.; Priebsch, H.H.; Schaffner, T.: Design Parameters of the Timing Chain Drive and their Influence on Structure Borne Noise Excitation. 2002 JSAE Spring Convention, Paper 20025326
Website of Smartchain B.V.: www.smartchain.nl
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Korse, T., Sopouch, M. A new timing chain with no chordal action. MTZ Worldw 65, 19–22 (2004). https://doi.org/10.1007/BF03227673
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DOI: https://doi.org/10.1007/BF03227673