The research discussed in this paper revealed a strong correlation between the anti-oxidation performance of engine oils and sludge production. The results of NOx bubbling tests and engine bench tests showed that the main factors in the deterioration of anti-oxidation performance are heat, air, NOx, and unburnt fuel. Detailed analysis indicated that the rate of deterioration of anti-oxidation performance could be expressed as formulas. The use of these deterioration rate formulas to calculate the deterioration in anti-oxidation performance in a real engine showed that the formulas could be employed in a monitoring system. The use of these estimation methods of oil anti-oxidation performance by the engine control unit (ECU) would enable onboard estimation of oil deterioration.


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    Titel :

    Development of Engine Oil Deterioration Monitoring System Using Estimation Method of Oxidation Induction Time


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    Powertrain & Fluid Systems Conference and Exhibition ; 2007



    Erscheinungsdatum :

    2007-10-29




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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