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:
Jan. 30, 2007
Filed:
Aug. 12, 2004
Takahiko Oono, Hyogo, JP;
Takahiko Oono, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A fuel injector control apparatus for a cylinder injection type engine includes driving circuits each shared by plural fuel injectors classified groupwise and having one ends connected in common to a potential source, switching means () connected to the potential source for turning on/off driving currents supplied to the injectors of a same group, a fuel quantity/injection timing arithmetic means () for determining a fuel supply quantity and a fuel injection timing on the basis of outputs from various sensors (), driving circuits () for firing the switching means in response to output of the fuel quantity/injection timing arithmetic means (), and a ground fault identifying/discriminating means () for specifying a fault location upon occurrence of a ground fault. When the fault location is specified, fuel injection from other injector of the injector group to which the fault suffering injector belongs is stopped.