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 8307629 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 13, 2012

Filed:

Dec. 19, 2007
Applicants:

Shinji Gotou, Fujisawa, JP;

Takashi Haseyama, Fujisawa, JP;

Takao Onodera, Fujisawa, JP;

Tatsuo Mashiko, Fujisawa, JP;

Inventors:

Shinji Gotou, Fujisawa, JP;

Takashi Haseyama, Fujisawa, JP;

Takao Onodera, Fujisawa, JP;

Tatsuo Mashiko, Fujisawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exhaust emission purification system and a related method of control, wherein an exhaust throttle valve is opened if an engine load reaches at least a predetermined first judgment value during execution of forced regeneration control, and generating an alarm of failure of the exhaust throttle valve if the engine load reaches at least a second judgment value which is larger than the predetermined first judgment value.


Find Patent Forward Citations

Gotou, Shinji. (2012). Control method of exhaust emission purification system and exhaust emission purification system (U.S. Patent No. 8307629). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8307629

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