Article of Manufacture For Securing a Catalyst Substrate
AssigneeCummins Emission Solutions Inc.
InventorsMatthew Anderson, Arpad Somogyvari
Life of this patent
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Abstract
An aftertreatment component for use in an exhaust aftertreatment system. The aftertreatment component comprises an aftertreatment substrate and a compressible material. The compressible material may be formed from a plastic thermoset, a rubberized material, or a metal foil which permits for the selective expansion of the substrate within the compressible material, while also reducing cost and manufacturing complexity. In various embodiments, the aftertreatment substrate and the compressible materials may be formed separately and coupled to each other, or they may be formed concurrently via coextrusion.
Claims20
An aftertreatment component for an exhaust gas aftertreatment system, the aftertreatment component comprising:
- a shell;
- a ceramic substrate at least partially positioned within the shell;
- and
- a cylindrical sleeve comprising corrugations, the cylindrical sleeve positioned between the shell and the ceramic substrate such that the corrugations contact the shell and the ceramic substrate;
- wherein the corrugations comprise at least one of a thermoset material, a rubberized material, a plastic material, a thermoplastic material, a polymeric material, a silicone material, an elastomeric material, or a foam material.
An aftertreatment component for an exhaust gas aftertreatment system, the aftertreatment component comprising:
- a shell;
- and
- a substrate assembly comprising:
- a substrate, and
- a plurality of corrugations, each of the plurality of corrugations extending from the substrate;
- wherein the substrate assembly is positioned within the shell such that the plurality of corrugations are compressed;
- and
- wherein the substrate assembly is formed by co-extrusion.
An aftertreatment component for an exhaust gas aftertreatment system, the aftertreatment component comprising:
- a shell;
- and
- a substrate assembly comprising:
- a substrate having an outer surface,
- a pre-polymer or partially polymerized material, the pre-polymer or partially polymerized material applied to the outer surface, and
- a plurality of corrugations, each of the plurality of corrugations polymerized with the pre-polymer or partially polymerized material;
- wherein the substrate assembly is positioned within the shell such that the plurality of corrugations are compressed.
Dependencies are inferred from the claim text.