Exhaust-gas aftertreatment system

US8945475B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8945475-B2
Application numberUS-201113698533-A
CountryUS
Kind codeB2
Filing dateMay 9, 2011
Priority dateMay 17, 2010
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

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An exhaust post-treatment device is designed in a layered fashion and comprises an exhaust cleaning arrangement lying between a supply chamber and a transition chamber with soot filters lying at both sides of a denitrification-catalytic converter unit, with the transition chamber comprising a mixing chamber open towards the denitrification-catalytic converter unit, in which starting at the soot filters via separate guide channels, the exhaust is injected in the opposite direction of flow and which mixing chamber is limited by guide panels, which form walls of the guide channels extending encompassing along the housing towards the mixing chamber.

First claim

Opening claim text (preview).

What is claimed is: 1. An exhaust post-treatment device, particularly for diesel engines, comprising: a housing comprising supply connections at a housing side, an exhaust cleaning arrangement accepted by the housing and located in a connection between the supply connections, wherein the exhaust cleaning arrangement comprises a soot filter unit and a denitrification-catalytic converter unit arranged adjacent thereto, which are axially flown through oppositely and are connected to e…

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What does patent US8945475B2 cover?
An exhaust post-treatment device is designed in a layered fashion and comprises an exhaust cleaning arrangement lying between a supply chamber and a transition chamber with soot filters lying at both sides of a denitrification-catalytic converter unit, with the transition chamber comprising a mixing chamber open towards the denitrification-catalytic converter unit, in which starting at the soot…
Who is the assignee on this patent?
Schäffner Guido, Sudmanns Hans, Riedel Claudia, and 1 more
What technology area does this patent fall under?
Primary CPC classification B01D53/54. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).