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:
Jan. 07, 2020
Filed:
Feb. 02, 2016
Applicant:
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Inventor:
Kinichi Iwachido, Tokyo, JP;
Assignee:
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/12 (2006.01); F01N 11/00 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F02D 41/123 (2013.01); F01N 11/002 (2013.01); F01N 11/007 (2013.01); F02D 41/1454 (2013.01); F01N 2550/02 (2013.01); F01N 2900/1602 (2013.01); F01N 2900/1621 (2013.01); F02D 2200/0802 (2013.01);
Abstract
A controlling device for purifying exhaust gas includes: a fuel cutting controller () that, if a predetermined condition for fuel cutting is satisfied, shuts off supply of fuel to an engine () after a predetermined delay time (B) elapses; a calculator () that calculates oxygen occludability of a catalyst () being interposed in an exhaust system of the engine () and containing an oxygen occludable material; and a setter () that sets a length of the delay time (B) in accordance with the oxygen occludability calculated by the calculator ().