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:
Feb. 13, 2018
Filed:
May. 18, 2015
Applicant:
Mazda Motor Corporation, Hiroshima, JP;
Inventors:
Hisaya Kawabata, Hiroshima, JP;
Yasuhiro Matsumura, Hiroshima, JP;
Hiroshi Yamada, Hiroshima, JP;
Masahiko Shigetsu, Hirgashi-Hiroshima, JP;
Assignee:
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/10 (2006.01); F01N 3/08 (2006.01); B01J 23/63 (2006.01); B01J 37/02 (2006.01); B01J 35/00 (2006.01); B01J 21/04 (2006.01); B01J 23/44 (2006.01); B01J 35/04 (2006.01); F01N 13/00 (2010.01); B01D 53/94 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0814 (2013.01); B01D 53/9477 (2013.01); B01J 21/04 (2013.01); B01J 23/44 (2013.01); B01J 23/63 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); B01J 37/0244 (2013.01); B01J 37/0248 (2013.01); F01N 3/0835 (2013.01); F01N 3/281 (2013.01); F01N 13/0093 (2014.06); F01N 13/0097 (2014.06); B01D 53/944 (2013.01); B01D 53/945 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/407 (2013.01); B01D 2255/908 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/912 (2013.01); F01N 2510/06 (2013.01); F01N 2570/12 (2013.01);
Abstract
A device includes a first catalystincluding a Pd-containing catalyst layer and a Rh-containing catalyst layer and a second catalystcontaining Pt-loaded alumina and containing neither Rh nor Pd. The first catalyst or the second catalyst are disposed in one place in such a manner that one of the first catalystor the second catalystis located upstream of the other in a flow direction of an exhaust gas from an engine