Aftertreatment system
AssigneeCaterpillar Inc.
InventorsAndrew M. Denis, James D. Peltier, Kevin J. Weiss
Life of this patent
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Abstract
An aftertreatment system of an engine is disclosed. The aftertreatment system includes a housing. The aftertreatment system also includes a Selective Catalytic Reduction (SCR) catalyst provided within the housing. The aftertreatment system further includes an exhaust duct associated with the SCR catalyst. The aftertreatment system includes a sampling flute provided within the exhaust duct. The aftertreatment system also includes a NOx sensor at least partly enclosed by a first end of the sampling flute. The aftertreatment system further includes a spring member. The spring member is joined to the sampling flute and the exhaust duct.
Claims1
An aftertreatment system of an engine, the aftertreatment system comprising:
- a housing configured to receive an exhaust gas flow from the engine;
- a Selective Catalytic Reduction (SCR) catalyst provided within the housing;
- an exhaust duct associated with the SCR catalyst;
- a sampling flute provided within the exhaust duct, wherein the sampling flute comprises a plurality of holes configured to allow passage of the exhaust gas flow therethrough, and wherein a first end of the sampling flute is coupled to the exhaust duct;
- a NOx sensor at least partly enclosed by the first end of the sampling flute;
- and
- a spring member joined to the sampling flute and the exhaust duct.
Dependencies are inferred from the claim text.