Fuel filter’s precise sizing and specification have been challenging with a Diesel engine, considering the severe operating environment and conditions, especially for off-road applications like agriculture, construction, road-making equipment, etc. The scenario further worsens in countries having the worst fuel cleanliness level (beyond 23/22/19 as per ISO-4406), improper storage, handling, and transportation of fuel. In an attempt to be on the safer side, automotive and fuel filter manufacturers prefer to over-design fuel filters - this resulting in cost addition of product and service and high warranty of the Fuel Injection system if fuel filters are under-designed.Factors and variables affecting fuel filtration efficiency over service and engine life have not been clearly known. Inefficient fuel filtration leads to Fuel injection systems’ premature failure, especially critical injectors’ internal parts, like nozzle, needle valve, and control valve, thus directly impacting engine performance with low power/torque, higher fuel consumption, and smoke, etc. In this study, Final Tier-4 or Bharat Stage-4 55kW diesel engines have been considered; however, the fuel filter selection and validation methodologies discussed in this paper can be deployed to other engine ratings as well. This paper includes a holistic overview of fuel cleanliness and filtration, starting from the very first point of filling fuel to the tank to the inlet of the High-pressure fuel injection pump. The paper covers detailed fuel filter specification guidelines and calculations for the targeted region’s worst fuel cleanliness. Further importantly, it gives the off-road industry’s first robust multi-level fuel filters validation approach - starting from an engine to machines/vehicles, and finally to a unique injector durability test to robustly sign off fuel filter specification.


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    Titel :

    A Holistic Overview of Diesel Fuel Filter Selection Methodologies and Multi-Level Robust Testing and Validation Strategy


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE WCX Digital Summit ; 2021



    Erscheinungsdatum :

    2021-04-06




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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