Generation mechanism and characteristics of idling rattle are systematized analytically by experiments on vehicle and digital simulation of nonlinear torsional vibration system for an inline four-cylinder four-cycle compact diesel engine. Jumping and hysteresis of the noise level are caused by both decreasing engine torque fluctuations while engine rotating velocity increases, and clutch-disc torsional characteristics of two-staged hardening spring. An improved clutch disc with a decreased noise level of 5 dB(A) was developed clarifying the optimum combination of disc characteristics, and permitting engine rotating velocity, where jumping occurs, below idling rotating velocity.


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    Titel :

    Research on idling rattle of manual transmission


    Weitere Titelangaben:

    Untersuchung des Leerlaufratterns beim manuellen Getriebe


    Beteiligte:
    Ohnuma, S. (Autor:in) / Yahata, S. (Autor:in) / Inagawa, M. (Autor:in) / Fujimoto, T. (Autor:in)


    Erscheinungsdatum :

    1985


    Format / Umfang :

    9 Seiten, 21 Bilder, 1 Tabelle, 13 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Research on Idling Rattle of Manual Transmission

    Inagawa, Mineichi / Ohnuma, Satoru / Yahata, Shigetaro et al. | SAE Technical Papers | 1985


    Research on idling rattle of manual transmission

    Ohnuma,S. / Yahata,S. / Inagawa,M. et al. | Kraftfahrwesen | 1985


    Reduction of Idling Rattle in Manual Transmission

    Kojima, Jun / Fujimoto, Tsutomu / Chikatani, Yasushi | SAE Technical Papers | 1987


    Reduction of Idling Rattle in Manual Transmission

    Fujimoto,T. / Chikatani,Y / Kojima,J. et al. | Kraftfahrwesen | 1987


    Predictive calculation of idling rattle in manual transmissions

    Fujimoto,T. / Kizuka,T. / Mitsubishi Motor,JP | Kraftfahrwesen | 2003