To reduce parasitic losses, a project was initiated to design, develop and bring to production a piston ring set which reduces engine friction while maintaining ring performance. In this paper, theoretical considerations affecting piston ring friction, and their implication in ring design, are discussed. An estimate of friction reduction and fuel economy improvement which can be achieved is calculated. Features of the resulting designs are reviewed, and friction, dynamometer, and vehicle test results are presented. Future ring design changes for reduced friction are reviewed.


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    Titel :

    Piston Ring Designs for Reduce Friction


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    Passenger Car Meeting & Exposition ; 1984



    Erscheinungsdatum :

    1984-09-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Piston Ring Designs For Reduced Friction

    Hill,S.H. / Newmann,B.A. / Muskegon Piston Ring,Goetze,US | Kraftfahrwesen | 1984


    Effect of piston and piston ring designs on the piston friction forces in Diesel engines

    Furuhama,S. / Takiguchi,M. / Tomizawa,K. et al. | Kraftfahrwesen | 1981


    Effect of Piston and Piston Ring Designs on the Piston Friction Forces in Diesel Engines

    Tomizawa, Kenji / Takiguchi, Masaaki / Furuhama, Shoichi | SAE Technical Papers | 1981


    The designs of piston and piston ring to reduce lubricating oil flow into the combustion chamber

    Ishihara,S. / Nakashima,K. / Urano,K. et al. | Kraftfahrwesen | 1999


    The Designs of Piston and Piston Ring to Reduce Lubricating Oil Flow into the Combustion Chamber

    Murata, Katsuhiro / Urano, Keiichi / Nakashima, Kohei et al. | SAE Technical Papers | 1999