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. 11, 2017
Filed:
Oct. 27, 2015
Applicant:
Mazda Motor Corporation, Hiroshima, JP;
Inventors:
Masahiro Nagoshi, Hiroshima, JP;
Masayuki Tetsuno, Hiroshima, JP;
Yoshio Mizuta, Hiroshima, JP;
Kohei Fujii, Hatsukaichi, JP;
Hiroshi Yamada, Hiroshima, JP;
Koichiro Harada, Hiroshima, JP;
Yoshiyuki Sato, Hiroshima, JP;
Akihide Takami, Hiroshima, JP;
Assignee:
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/92 (2006.01); B01D 53/94 (2006.01); F01N 3/035 (2006.01); F01N 3/08 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
F01N 3/0821 (2013.01); B01D 53/9409 (2013.01); B01D 53/9477 (2013.01); F01N 3/035 (2013.01); F01N 3/0814 (2013.01); F01N 3/0842 (2013.01); F01N 3/103 (2013.01); F01N 3/106 (2013.01); F01N 3/2066 (2013.01); F01N 13/0097 (2014.06); B01D 2251/2067 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/2042 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/50 (2013.01); B01D 2255/908 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/912 (2013.01); B01D 2258/012 (2013.01); F01N 2510/0684 (2013.01); F01N 2570/18 (2013.01); F01N 2610/02 (2013.01);
Abstract
Provided is a system where a composite catalyst into which an LNT catalyst and an oxidation catalyst are combined, a catalyzed particulate filter, an injector configured to inject a urea water solution into an exhaust gas passage, and an SCR catalyst are arranged in this order in an upstream-to-downstream direction of the flow of the exhaust gas.