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Reduction of Vibration and Noise in the Powertrain of Passenger Cars with Elastomer Dampers
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Abstract
The paper describes a theoretical and experimental approach to solve vibration and noise problems in the powertrain with vibration control products on an elastomer basis.
Crankshaft dampers can reduce the torsional, and - if properly tuned and designed - also the bending vibrations. The paper compares the crankshaft vibrations for different damper designs which shows the potential for further vibration and noise reductions.
Shafts in the drivetrain are excited to torsional and bending vibrations by the inertia and gas forces of the engine, cardan joints and gear mesh. For the following two problems vibrations and noise are investigated:
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1
A torsional resonance of a driveshaft
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2
A bending resonance of a halfshaft
Measurements show that noise and vibrations from the drivetrain can also be reduced significantly with tuned elastomer dampers.
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Authors
Citation
Schwibinger, P., Hendrick, D., Wu, W., and Imanishi, Y., "Reduction of Vibration and Noise in the Powertrain of Passenger Cars with Elastomer Dampers," SAE Technical Paper 910616, 1991, https://doi.org/10.4271/910616.Data Sets - Support Documents
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Also In
References
- Kurr, K. Jörg, B. “Comparison of Vibration Damping Components for the Driveline” Proc. of Eurogress Conf. Aachen, Germany 1987
- Andrä, R. Spurk, J. H. “Torsional Damper for Maximum Energy Absorbtion with Equilibrated Polydimethylsiloxanes as Damping Fluids” Journal of Sound and Vibration 82 4 1982
- Den Hartog, J. P. Ormondroyd, J. “The Theory of the Dynamic Absorber” Trans. ASME for Applied Mechanics 1928
- Kinoshita, M. Sakamoto, T. Okamura, H. “An Experimental Study of a Torsional/Bending Damper Pulley for an Engine Crankshaft” SAE Paper 891127
- Andrä, R. “Torsionsschwingungsdämpfer und ihre Abstimmungsparameter” Germany 3 89
- Okamura, H. Suzuki, Y. Susumu, A. “Experiments on the Coupling and Transmission Behavior of Crankshaft Torsional Bending and Longitudinal Vibrations in High Speed Engines” Proc. of 2nd Int. Pacific Conf. on Automotive Eng. Tokyo Nov. 7-10 1983