Browse Publications Technical Papers 2008-01-0620
2008-04-14

New Concept Catalyzed DPF for Estimating Soot Loadings from Pressure Drop 2008-01-0620

To better estimate soot loadings from the pressure drop of diesel particulate filters (DPFs), a new concept cordierite-based catalyzed DPF has been developed. This new catalyzed DPF features (1) no washcoat layer, which often is the origin of uncertain pressure drop behavior, and (2) a modified substrate composition for improved thermal durability of the catalyst metal without the washcoat layer. Several characteristic were confirmed through engine tests based on this concept.

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