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:
Dec. 23, 2014
Filed:
Apr. 18, 2011
Applicant:
Rainer Haeberer, Bretten, DE;
Inventor:
Rainer Haeberer, Bretten, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2066 (2013.01); F01N 2610/14 (2013.01); F01N 2610/1426 (2013.01); F01N 2610/144 (2013.01); F01N 2610/1493 (2013.01); Y02T 10/24 (2013.01);
Abstract
A device () for reducing pollutants, in particular nitrogen oxides, in an exhaust gas flow of an internal combustion engine, includes a reducing agent (), in particular a urea-water solution, which is stored in a storage tank (), a metering module, in particular a nozzle (), for injecting the reducing agent () into the exhaust gas flow, and a pump () for delivering the reducing agent () from a suction point () in the storage tank () to the metering module via lines (). A pump () lies beneath a reducing agent level () in the storage tank (), and a non-return valve is provided.