An investigation was made of techniques for reducing the friction of lightweighted direct-acting valve train systems. The techniques examined included improving the cam/follower surface finish and reducing the valve spring load. The characteristics of each approach and the valve train friction reduction obtained with each one were clarified by experimentation and analysis.As a result, the friction reduction techniques analyzed in this work reduce the friction level of a direct-acting valve train by approximately 40% in comparison with the previous valve train.These techniques have been applied for the direct-acting valve train system of new-generation, lightweight, 3-liter V6 Nissan engine.


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    Title :

    An Analysis of Friction Reduction Techniques for the Direct-Acting Valve Train System of a New-Generation Lightweight 3-Liter V6 Nissan Engine


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1994



    Publication date :

    1994-03-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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