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:
Sep. 20, 2022

Filed:

Aug. 06, 2020
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventor:

Robert Manfred Zielke, Schwieberdingen, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); F02D 41/22 (2006.01); F01N 3/20 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F02D 41/222 (2013.01); F01N 3/208 (2013.01); F01N 11/00 (2013.01); F02D 41/1463 (2013.01); F01N 2390/02 (2013.01); F01N 2560/026 (2013.01); F01N 2900/0416 (2013.01); F01N 2900/1814 (2013.01);
Abstract

A process for testing a plurality of components of an exhaust gas aftertreatment system () is disclosed, wherein the plurality of components comprises a first SCR catalyst and at least one further SCR catalyst arranged downstream of the first SCR catalyst in the flow direction of exhaust gas to be passed through the exhaust gas aftertreatment system, a first NOx sensor assigned to the first SCR catalyst and at least one further NOx sensor and a first DeNOx element assigned to the first SCR catalyst and at least one further DeNOx element and wherein the process comprises at least the following steps: conditioning the SCR catalysts, testing the NOx sensors, testing the DeNOx systems testing a storage capacity for the reductant of the SCR catalysts.


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