Noise emission is often considered to be one of the major drawbacks of fluid power systems. One of the main sources of noise is flow ripple caused by positive displacement pumps. This paper is concerned with the problems of modelling and measurement of flow ripple with emphasis on analyses with theoretical techniques.A simulation model of a piston pump has been used in this investigation. Simulation has proved to be a useful tool for optimization of the portplate geometry and for developing new methods to reduce pump flow ripple. Different conventional methods are compared with unconventional ones. A new method which gives very low flow ripple over a large operating range is included in this study.


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    Titel :

    Methods of Reducing Flow Ripple from Fluid Power Pumps - a Theoretical Approach


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    International Off-Highway & Powerplant Congress & Exposition ; 1991



    Erscheinungsdatum :

    01.09.1991




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Methods of Reducing Flow Ripple from Fluid Power Piston Pumps - an Experimental Approach

    Palmberg, Jan-Ove S. / Weddfelt, Kenneth G. / Pettersson, Maria E. | SAE Technical Papers | 1991


    Experimental Determining and Theoretical Predicting of Source Flow Ripple Generated by Fluid Power Piston Pumps

    Kojima, Eiichi / Yu, Jinghong / Ichiyanagi, Takayoshi | SAE Technical Papers | 2000



    Theoretical Analysis of Active Flow Ripple Control in Positive Displacement Pumps

    Casoli P. / Vescovini C. M. / Scolari F. et al. | BASE | 2022

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    Simulation of Suction Flow Ripple in Power Steering Pumps

    Jones, B. L. / Longmore, D. K. / Johnston, D. N. | SAE Technical Papers | 1998