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:
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:
Isuzu Motors Limited, Tokyo, JP;
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.