Catalyzed gasoline particulate filter (cGPF) is the prime technology to meet future stringent regulations for particulates from gasoline direct injection (GDI) engines. One of the technical concerns is the ultimate durability of cGPF in regards to engine lubricant formulations. This study investigated two tailored lubricant formulations on catalyzed GPFs which were aged on engine followed by emission testing on vehicle. An engine accelerated aging protocol was developed for cGPFs to simulate thermal aging, ash and soot loading that is at least equivalent to 200,000 km durability requirement. Evaluations include tailpipe emission levels, backpressure, catalytic performance, and post-mortem analysis. Both formulations have demonstrated a high level of cGPF performance retention; performance being assessed in terms of emission level at the end of durability demonstration testing. These formulations provide flexibility in selecting robust lubricant to meet various system requirements.


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    Titel :

    Engine Accelerated Aging Method Developed to Study the Effect of Lubricant Formulations on Catalyzed Gasoline Particulate Filter Durability


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Yin, Danhua (Autor:in) / Yang, Dongxia (Autor:in) / Carpentier, Guillaume (Autor:in) / Shao, Huifang (Autor:in) / Remias, Joesph (Autor:in) / Roos, Joseph (Autor:in) / Xia, Wenzheng (Autor:in) / He, Xiaokun (Autor:in) / Yuan, Xinbo (Autor:in) / Zheng, Yi (Autor:in)

    Kongress:

    International Powertrains, Fuels & Lubricants Meeting ; 2018



    Erscheinungsdatum :

    10.09.2018




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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