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:
Sep. 13, 2016
Filed:
Aug. 23, 2012
Applicants:
Yasuo Okamoto, Fujisawa, JP;
Yuuta Kageyama, Sagamihara, JP;
Koji Sakumoto, Yokohama, JP;
Inventors:
Assignee:
ISUZU MOTORS LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/18 (2006.01); F01N 3/20 (2006.01); F01N 11/00 (2006.01); F01N 3/10 (2006.01); F01N 3/021 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
F01N 3/2093 (2013.01); F01N 3/208 (2013.01); F01N 11/00 (2013.01); F01N 3/021 (2013.01); F01N 3/106 (2013.01); F01N 13/009 (2014.06); F01N 2550/05 (2013.01); F01N 2560/026 (2013.01); F01N 2560/06 (2013.01); F01N 2560/14 (2013.01); F01N 2610/02 (2013.01); F01N 2610/11 (2013.01); F01N 2610/148 (2013.01); F01N 2610/1473 (2013.01); F01N 2610/1493 (2013.01); F01N 2900/1808 (2013.01); F01N 2900/1811 (2013.01); F01N 2900/1814 (2013.01); F01N 2900/1818 (2013.01); Y02T 10/24 (2013.01); Y02T 10/47 (2013.01);
Abstract
A method and a selective-reduction catalyst system to remove foreign matter which may cause closure of a urea water path of a supply module and therearound. A urea water pressure is changed in the urea water path to remove the foreign matter.