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:
Aug. 23, 2011
Filed:
Jan. 10, 2007
Takao Onodera, Fujisawa, JP;
Takashi Haseyama, Fujisawa, JP;
Yoshinobu Watanabe, Fujisawa, JP;
Takuro Iwashita, Fujisawa, JP;
Kenji Hagio, Fujisawa, JP;
Tatsuo Mashiko, Fujisawa, JP;
Takao Onodera, Fujisawa, JP;
Takashi Haseyama, Fujisawa, JP;
Yoshinobu Watanabe, Fujisawa, JP;
Takuro Iwashita, Fujisawa, JP;
Kenji Hagio, Fujisawa, JP;
Tatsuo Mashiko, Fujisawa, JP;
Isuzu Motors Limited, Tokyo, JP;
Abstract
At regeneration control while a vehicle mounting an internal combustion engine () is parked, both an exhaust throttle valve () and an exhaust brake valve () are used and if a catalyst temperature index temperature (Tg) is lower than a predetermined first determining temperature (Tc), first exhaust gas temperature rise control is conducted that the exhaust brake valve () is set to a fully closed side and multiple injection is carried out in in-cylinder fuel injection control, while if a catalyst temperature index temperature (Tg) is equal to the predetermined first determining temperature (Tc) or above, second exhaust gas temperature rise control is conducted that the exhaust brake valve () is set to an open side, the exhaust throttle valve () is set to the fully closed side, and post injection is carried out in the in-cylinder fuel injection control. By this arrangement, while temperature rise efficiency of an exhaust gas flowing into a DPF () is enhanced, forced regeneration is carried out efficiently in a short time with avoiding overheat or abnormal combustion at the regeneration control of the DPF () while the vehicle is parked.