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:
Feb. 25, 2014
Filed:
Feb. 17, 2009
Daiji Nagaoka, Fujisawa, JP;
Teruo Nakada, Fujisawa, JP;
Akihide Oogushi, Fujisawa, JP;
Hiroyuki Yuza, Fujisawa, JP;
Daiji Nagaoka, Fujisawa, JP;
Teruo Nakada, Fujisawa, JP;
Akihide Oogushi, Fujisawa, JP;
Hiroyuki Yuza, Fujisawa, JP;
Isuzu Motors Limited, Tokyo, JP;
Abstract
Provided is a fuel injection control device that affords a wider lower limit range of injection amount by a injector for cylinder outside injection, and that can respond to injection requirements over a wider injection amount range. A fuel injection control device includes: a injectorfor cylinder outside injection that injects fuel into an exhaust passageof an engine, in an amount corresponding to a duty ratio; and a control meansfor controlling the injectorfor cylinder outside injection, wherein the control meanschanges an injector driving frequency upon determining the duty ratio, such that the frequency is lowered, stepwise or continuously, as the required injection amount decreases.