Engines that not only produce less noise but also provide good sound quality have been in increasing demand recently. Discomforting noise can sometimes be heard, however, during acceleration as the engine reaches higher levels of power and speed. This paper presents the results of a study into the bending vibration of the crankshaft-flywheel system, which clarify the mechanism producing discomforting noise during acceleration. Based on that study, a flexible flywheel has been developed which effectively reduces crankshaft bending vibration that is closely related to the frequency range of the discomforting noise. As a result, acceleration sound quality is greatly improved.


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    Titel :

    Improvement of Engine Sound Quality Through a New Flywheel System Flexiby Mounted to the Crankshaft


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Ozawa, Katsunori (Autor:in) / Izawa, Kazuhiro (Autor:in) / Ide, Shoichiro (Autor:in) / Uchida, Tomoyuki (Autor:in)

    Kongress:

    International Congress & Exposition ; 1990



    Erscheinungsdatum :

    1990-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    Improvement of engine sound quality by use of a flexible flywheel

    Ide,S. / Uchida,T. / Ozawa,K. | Kraftfahrwesen | 1989


    Prediction of crankshaft and flywheel dynamics

    Martin,I.T. / Law,B. / Perkins Engines,GB | Kraftfahrwesen | 1989


    Optimisation of dynamic crankshaft behaviour for sound quality improvement

    Grasso,C. / Zappala,A. / Nehl,J. et al. | Kraftfahrwesen | 1999


    Optimisation of dynamic crankshaft bahaviour for sound quality improvement

    Grasso, C. / Zappala, A. / Nehl, J. et al. | Tema Archiv | 1999