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:
Mar. 02, 2021

Filed:

Aug. 07, 2017
Applicant:

Deutz Aktiengesellschaft, Cologne, DE;

Inventors:

Ralph Stengel, Cologne, DE;

Dominic Weber, Pulheim, DE;

Peter Broll, Bergisch-Gladbach, DE;

Daniel Dammer, Cologne, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 13/08 (2010.01); F01N 3/20 (2006.01); B01D 19/00 (2006.01); B01D 29/90 (2006.01); B01D 39/14 (2006.01); B01D 39/16 (2006.01); B01D 39/20 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2066 (2013.01); B01D 19/0031 (2013.01); B01D 29/904 (2013.01); B01D 39/14 (2013.01); B01D 39/1615 (2013.01); B01D 39/2017 (2013.01); B01D 39/2034 (2013.01); B01D 53/9431 (2013.01); B01D 2239/0208 (2013.01); B01D 2239/0618 (2013.01); B01D 2239/1216 (2013.01); F01N 2610/02 (2013.01); F01N 2610/10 (2013.01); F01N 2610/14 (2013.01); F01N 2610/1406 (2013.01); F01N 2610/148 (2013.01); F01N 2610/1426 (2013.01); F01N 2610/1433 (2013.01); F01N 2610/1453 (2013.01); F01N 2610/1466 (2013.01); F01N 2610/1473 (2013.01);
Abstract

An internal combustion engine including a urea-water solution injection in the exhaust system, includes at least one urea-water solution tank, at least one pump, at least one intake line leading to the pump, at least one urea-water solution metering valve which is connected to the pump with the aid of a pressure line, and at least one return line which leads from the pump to the urea-water solution tank and at whose end opposite to the pump a filter element is situated, as well as at least one urea-water solution sensor situated in the urea-water solution tank.


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