Device for cleaning exhaust gases of motor vehicles
AssigneeEmitec Gesellschaft fuer Emissionstechnologie
InventorHelmut Swars
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Abstract
Device for cleaning exhaust gas of a motor vehicle is disclosed. The device comprises a first honeycomb body having a first diameter and a multiplicity of channels through which the exhaust gas can flow, a diffusor disposed downstream of the first honeycomb body as seen in the direction of flow of the exhaust gas, and a second honeycomb body disposed downstream of the diffusor. The second honeycomb body has a second diameter which is greater than the first diameter.
Claims15
Device for catalytically cleaning exhaust gas of a motor vehicle having an exhaust system with the exhaust gas flowing in a given direction of flow, comprising a housing, a first catalyst carrier body disposed in said housing and having a first diameter and a multiplicity of channels extending in a direction of flow for guiding an exhaust gas, a diffusor disposed downstream of said first catalyst carrier body as seen in the direction of flow, and a second catalyst carrier body disposed in said housing downstream of said diffusor as seen in the direction of flow, said second catalyst carrier body having a second diameter and a multiplicity of channels extending in the direction of flow for guiding the exhaust gas, said first diameter being smaller than said second diameter, and each of said first and second catalyst carrier bodies carrying catalytically active material for catalytically cleaning the exhaust gas, said diffusor being connected substantially directly between said first and second catalyst carrier bodies.
Dependencies are inferred from the claim text.