The purpose of piston rings in an internal-combustion engine is to reduce to a minimum the leakage of gas from and the seepage of oil into the combustion-chamber. Asserting that the widely held idea that the leakage of gas past the piston can be eliminated by the use of good piston-rings is incorrect, the author states three possible paths for such gas-leakage and, after commenting upon them, discusses diagonal and lap joints and the subject of leakage with special reference to them.After considering the design of rings for gas-tightness, the author shows a fortunate mathematical relationship, in connection with the application of uniform radial pressures, regarding the bending-moment stresses. Oil leakage is treated in a similar manner and the conclusion is reached that the properties of the material used are of extreme importance.The purpose of piston rings in an internal-combustion engine is to reduce to a minimum the leakage of gas from and the seepage of oil into the combustion-chamber. Asserting that the widely held idea that the leakage of gas past the piston can be eliminated by the use of good piston-rings is incorrect, the author states three possible paths for such gas-leakage and, after commenting upon them, discusses diagonal and lap joints and the subject of leakage with special reference to them.After considering the design of rings for gas-tightness, the author shows a fortunate mathematical relationship, in connection with the application of uniform radial pressures, regarding the bending-moment stresses. Oil leakage is treated in a similar manner and the conclusion is reached that the properties of the material used are of extreme importance.


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    Titel :

    IMPORTANT FACTORS IN PISTON-RING DESIGN


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Platt, H H (Autor:in)

    Kongress:

    Pre-1964 SAE Technical Papers ; 1906



    Erscheinungsdatum :

    1921-01-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    PISTON RING DESIGN

    BRAMBRRY, H.M. | SAE Technical Papers | 1953


    Piston and ring design.

    Hartley,J. | Kraftfahrwesen | 1975


    PISTON RING DESIGN AND APPLICATION

    HARRIS, PAUL E. | SAE Technical Papers | 1957


    Aero Engine Piston Ring Design

    Oubridge, W.A. | Emerald Group Publishing | 1929


    The Effect of PISTON DESIGN on PISTON-RING STICKING

    BRYAN, HARRY F. | SAE Technical Papers | 1945