The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 06, 2021

Filed:

Sep. 23, 2019
Applicant:

Cpt Group Gmbh, Hannover, DE;

Inventors:

Marc Brugger, Neunkirchen-Seelscheid, DE;

Carsten Kruse, Troisdorf, DE;

Frank Bohne, Sülzetal, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B01D 53/90 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2006 (2013.01); B01D 53/90 (2013.01); F01N 2240/20 (2013.01); F01N 2470/24 (2013.01); F01N 2490/06 (2013.01); F01N 2610/02 (2013.01); F01N 2610/102 (2013.01); F01N 2610/1453 (2013.01);
Abstract

An exhaust system for the aftertreatment of exhaust gases of an internal combustion engine, having an annular catalytic converter which is flowed through by exhaust gas, wherein the annular catalytic converter has an inflow point and an outflow point and the annular catalytic converter has a tubular first flow path and an annular second flow path which are oriented concentrically with respect to one another and which are flowed through in series, wherein the first flow path is surrounded to the outside in a radial direction by the second flow path, wherein a pipe is led in the radial direction from the outside through the second flow path, wherein the pipe opens into the annular catalytic converter and the pipe has a radial extent at least as far as into the inner first flow path.


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