A novel process for coating and assembling metal converters utilizing precoated foil as building blocks has been developed which yields a converter capable of withstanding typical industry specified hot vibration protocols. The precoating process used here results in uniform catalyst coating distributions with coating adhesion to the foil on a par with the coatings' adhesion to ceramic substrates. FTP and MVEG vehicle emission performance of this unique precoated metal converter design versus a more conventional dip-coated metal monolith (parts with the same volume, cell density, and tri-metal catalyst coating), exhibited improved catalyst emission breakthrough efficiencies with respect to HC, CO, and NOx after two different engine-aging protocols. These advantages were observed on three different test vehicles across most phases of these driving cycles. These results represent the first emission performance comparison between similarly catalyzed metal converters fabricated with two different washcoat processing schemes.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Metal Converter Technology Using Precoated Metal Foil


    Additional title:

    Sae Technical Papers



    Conference:

    1996 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1996



    Publication date :

    1996-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Metal Converter Technology Using Precoated Metal Foil

    Adomaitis, J. R. / Galligan, M. P. / Kubsh, J. E. et al. | British Library Conference Proceedings | 1996


    Metal converter technology using precoated metal foil

    Adomaitis,J.R. / Galligan,M.P. / Kubsh,J.E. et al. | Automotive engineering | 1996


    Mechanical Strength of a Metallic Catalytic Converter Made of Precoated Foil

    Määttänen, Mauri / Lylykangas, Reijo | SAE Technical Papers | 1990


    Mechanical strength of a metallic catalytic converter made of precoated foil

    Maeaettaenen,M. / Lylykangas,R. / Helsinki Univ.of Technology,FI et al. | Automotive engineering | 1990