A theoretical background to pneumatic suspension in semi-trailers is put forward which can be used for the calculation of the total weight of a vehicle and its axle. This information is essential for both static and dynamic analyses, and is an important factor in safety. The response of an air spring with a height control valve is characterised and the problem of different axle loads in a pneumatic suspension without a mechanical equaliser is studied in a triaxial tandem. An expression for the dynamic spring rate (stiffness coefficient) versus pressure and length is obtained for a commercial air spring.


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    Title :

    Pneumatic suspensions in semi-trailers: Part I. General considerations and simplified models


    Contributors:
    Luque, P. (author) / Mantaras, D.A. (author)

    Published in:

    Heavy Vehicle Systems ; 10 , 4 ; 295-308


    Publication date :

    2003


    Size :

    14 Seiten



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Pneumatic suspensions in semi-trailers: part I - general considerations and simplified models

    Luque,P. / Mantaras,D.A. / Univ.de Oviedo,ES | Automotive engineering | 2003


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