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:
Aug. 12, 2025
Filed:
Jan. 03, 2023
Applicant:
Cummins Emission Solutions Inc., Columbus, IN (US);
Inventor:
Kevin Gudorf, Indianapolis, IN (US);
Assignee:
CUMMINS EMISSION SOLUTIONS INC., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 3/021 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2066 (2013.01); F01N 3/021 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1426 (2013.01); F01N 2900/1818 (2013.01); Y02T 10/12 (2013.01);
Abstract
An aftertreatment system includes an exhaust reductant tank configured to store an exhaust reductant. A filter is fluidically coupled to the exhaust reductant tank. The aftertreatment system includes a hydrocarbon detection device configured to indicate the presence of a hydrocarbon in the exhaust reductant. A catalyst is included in the system and configured to treat the exhaust reductant flowing through the system. The hydrocarbon detection device can include a hydrophobic paper, and can be disposed in the filter.