In the current customer centric automotive market, NVH is one of the prime focus for the automotive industry. Almost all light commercial vehicles in the market are with hydraulic power steering system. Hydraulic power steering pump is heart of the steering system which circulates the hydraulic oil to steering gear for assisting the driver. One of the NVH problem which is inevitable with the hydraulic vane pump is humming noise and this is perceived as an irritant by end user. This paper describes a novel technique for reducing the humming noise which is perceived at driver ear level. Base vehicle level objective measurements is carried out to set the acceptance criteria. Existing design is optimized as per CAE iterations and vehicle updated with the multiple solutions and objective measurements are recorded. Driver ear level noise reduction upto 4 dB(A) perceived which meets acceptance criteria. This technique can be used for resolving all hydraulic power steering pump related noise issues.


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    Titel :

    Novel Technique to Address the Humming Noise with Pulley Driven Hydraulic Power Steering Pump on Light Commercial Vehicles


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    K, Arun Kumar (Autor:in) / Kumar, Ganesh (Autor:in) / Taware, Girish (Autor:in)

    Kongress:

    Symposium on International Automotive Technology ; 2021



    Erscheinungsdatum :

    2021-09-22




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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