logo

For the Inventor, By the Inventor

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.:

US 9598998 B1

PDFFull Text
Date of Patent:
Mar. 21, 2017

Filed:

Jan. 27, 2012

Control apparatus for internal combustion engine

Applicants:

Akinori Morishima, Naka-gun, JP;

Kenichi Tsujimoto, Mishima, JP;

Inventors:

Akinori Morishima, Naka-gun, JP;

Kenichi Tsujimoto, Mishima, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-Shi, JP;

Attorney:

Andrews Kurth Kenyon LLP

Primary Examiner:

Nicholas J Weiss

Assistant Examiner:

Jason T Newton

Int. Cl.
CPC ...
F02D 23/00 (2006.01); F01N 3/22 (2006.01); F01N 3/20 (2006.01); F02D 41/00 (2006.01); F02D 41/02 (2006.01); B60W 10/06 (2006.01); B60W 10/115 (2012.01); F02D 17/02 (2006.01); F02D 41/22 (2006.01); F02D 29/06 (2006.01); F01N 3/08 (2006.01); F01N 3/10 (2006.01); F01N 9/00 (2006.01); F02B 37/24 (2006.01); F02D 9/06 (2006.01); F02D 41/12 (2006.01);
U.S. Cl.
CPC ...
F01N 3/225 (2013.01); B60W 10/06 (2013.01); B60W 10/115 (2013.01); F01N 3/2033 (2013.01); F02D 17/02 (2013.01); F02D 29/06 (2013.01); F02D 41/0007 (2013.01); F02D 41/0055 (2013.01); F02D 41/0087 (2013.01); F02D 41/021 (2013.01); F02D 41/025 (2013.01); F02D 41/22 (2013.01); F01N 3/0842 (2013.01); F01N 3/0871 (2013.01); F01N 3/106 (2013.01); F01N 9/00 (2013.01); F01N 2240/14 (2013.01); F01N 2270/04 (2013.01); F01N 2430/00 (2013.01); F01N 2430/02 (2013.01); F01N 2430/06 (2013.01); F02B 37/24 (2013.01); F02D 9/06 (2013.01); F02D 41/12 (2013.01); F02D 41/123 (2013.01); F02D 2041/026 (2013.01); F02D 2250/24 (2013.01); F02D 2250/32 (2013.01); F02M 26/05 (2016.02); Y02T 10/144 (2013.01); Y02T 10/26 (2013.01); Y02T 10/47 (2013.01);
Abstract

A control apparatus for an internal combustion engine according to the invention is applied to an internal combustion engine that is equipped with an exhaust gas treatment device that is provided in an exhaust passage, and a burner device that is provided in the exhaust passage upstream of the exhaust gas treatment device so as to raise a temperature of exhaust gas supplied to the exhaust gas treatment device. The control apparatus performs an increase control for increasing a concentration of oxygen in exhaust gas supplied to the burner device if the concentration of oxygen is not higher than a predetermined required concentration of oxygen when there is a request to operate the burner device. The combustion performance of the burner device is stably ensured by securing or compensating for an insufficient concentration of oxygen.

Find Patent Forward Citations

Loading…