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:
Mar. 24, 2020
Filed:
Dec. 14, 2017
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Inventors:
Ryohei Yamamoto, Nishio, JP;
Toshihiro Mori, Gotemba, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/025 (2006.01); F01N 9/00 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0253 (2013.01); F01N 3/2033 (2013.01); F01N 9/002 (2013.01); F01N 2260/04 (2013.01); F01N 2610/03 (2013.01); F01N 2900/1404 (2013.01); F01N 2900/1606 (2013.01); Y02T 10/26 (2013.01); Y02T 10/47 (2013.01);
Abstract
The exhaust purification system of an internal combustion enginecomprises: a catalystarranged in an exhaust passageof the internal combustion engine, a fuel feed devicefeeding fuel to the catalyst, and a control deviceconfigured to control the feed of fuel by the fuel feed device. The control device is configured to feed liquid state fuel from the fuel feed device to the catalyst when judging that a ratio of high viscosity components in particulate matter deposited on the catalyst is a predetermined value or less.