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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    Title :

    Piston Ring Designs for Reduce Friction


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Passenger Car Meeting & Exposition ; 1984



    Publication date :

    1984-09-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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