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.
Patent No.:
Date of Patent:
Oct. 29, 2019
Filed:
Dec. 18, 2017
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Jan Michl Hofmann, Ludwigsburg, DE;
Reinold Weinmann, Esslingen am Neckar, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 3/2066 (2013.01); F01N 11/002 (2013.01); F01N 2550/02 (2013.01); F01N 2550/05 (2013.01); F01N 2610/02 (2013.01); F01N 2610/148 (2013.01); F01N 2900/0422 (2013.01); F01N 2900/1818 (2013.01); Y02T 10/24 (2013.01);
Abstract
A method for diagnosing a quality signal (). The quality signal () is provided by a quality sensor () used in a reagent metering system (). The reagent metering system () meters a urea/water solution () stored in a tank (), the quality of which is checked by the quality sensor (), upstream of an SCR catalytic converter ().