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. 11, 2018
Filed:
Jul. 01, 2016
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Inventor:
Shigemasa Hirooka, Susono, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/08 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F02D 41/02 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F01N 3/20 (2013.01); F01N 3/0885 (2013.01); F01N 3/101 (2013.01); F02D 41/0295 (2013.01); F02D 41/146 (2013.01); F02D 41/1454 (2013.01); F01N 2900/0416 (2013.01); F01N 2900/1402 (2013.01); F01N 2900/1624 (2013.01); F02D 2200/0814 (2013.01);
Abstract
An exhaust purification system of an internal combustion engine having an upstream side catalyst a downstream side catalyst, a downstream side air-fuel ratio sensor provided between the upstream side catalyst and the downstream side catalyst, and a control device able to control an air-fuel ratio of exhaust gas flowing into the upstream side catalyst as air-fuel ratio control.