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.

Date of Patent:
Oct. 22, 2019

Filed:

Nov. 09, 2017
Applicants:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

The Doshisha, Kyoto-shi, Kyoto, JP;

Inventors:

Kazuhiro Umemoto, Ebina, JP;

Toshihiro Mori, Gotemba, JP;

Hiromasa Nishioka, Susono, JP;

Jiro Senda, Kyotanabe, JP;

Eriko Matsumura, Kyotanabe, JP;

Assignees:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

The Doshisha, Kyoto-shi, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 3/08 (2006.01); F01N 3/36 (2006.01); F01N 9/00 (2006.01); F01N 11/00 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 3/0814 (2013.01); F01N 3/0842 (2013.01); F01N 3/2066 (2013.01); F01N 3/36 (2013.01); F01N 9/00 (2013.01); F01N 11/005 (2013.01); F01N 13/009 (2014.06); F01N 2560/06 (2013.01); F01N 2610/02 (2013.01); F01N 2610/03 (2013.01); F01N 2610/10 (2013.01); F01N 2610/105 (2013.01); F01N 2610/1406 (2013.01); F01N 2610/1433 (2013.01); F01N 2900/1404 (2013.01); F01N 2900/1406 (2013.01); F01N 2900/1631 (2013.01); F01N 2900/1808 (2013.01); F01N 2900/1811 (2013.01); Y02T 10/24 (2013.01); Y02T 10/47 (2013.01);
Abstract

An exhaust gas control apparatus for an internal combustion engine is provided. The exhaust gas control apparatus is equipped with a NOx reduction catalyst, a reducing agent tank, a reducing agent supply device, a booster, a heater, and an electronic control unit. The electronic control unit is configured to perform control of raising a temperature of a reducing agent to a first target temperature such that the reducing agent supplied by the reducing agent supply device is brought into a gas-liquid mixed state in an exhaust passage, when energy of exhaust gas is lower than a first threshold.


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