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:
Jul. 07, 2020
Filed:
Mar. 22, 2018
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Horst Kleinknecht, Fichtenberg, DE;
Stefan Janssen, Marbach am Neckar, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); B01D 53/9409 (2013.01); B01D 53/9418 (2013.01); B01D 53/9495 (2013.01); B01D 2255/904 (2013.01); F01N 2610/02 (2013.01); F01N 2610/146 (2013.01); F01N 2610/1433 (2013.01); F01N 2900/1821 (2013.01); Y02T 10/24 (2013.01);
Abstract
A method for controlling an SCR system having two metering valves and a feed pump, wherein the two metering valves are operated in such a way that a reducing agent solution is metered in simultaneously via the two metering valves, at least over part of a metering time period (t).