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 8276367 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 02, 2012

Filed:

Dec. 21, 2007
Applicants:

Kenji Katoh, Suntou-gun, JP;

Kei Masuda, Mishima, JP;

Inventors:

Kenji Katoh, Suntou-gun, JP;

Kei Masuda, Mishima, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exhaust gas control apparatus for an internal combustion engine, including a three-way catalyst, a NOstorage-reduction catalyst, a rich controlling mechanism performing control to make an air-fuel ratio of exhaust gas rich to reduce NOstored in the NOstorage-reduction catalyst, and a control performing control to ensure that a NOpurifying component is present in the NOstorage-reduction catalyst when reducing the NO.


Find Patent Forward Citations

Katoh, Kenji. (2012). Exhaust gas control apparatus and method for an internal combustion engine (U.S. Patent No. 8276367). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8276367

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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