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.

Date of Patent:
Sep. 30, 2003

Filed:

May. 31, 2002
Applicant:
Inventors:

Micho Hirano, Akashi, JP;

Takemi Inoue, Kakogawa, JP;

Tetsuaki Shirai, Kobe, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 4/100 ;
U.S. Cl.
CPC ...
F02D 4/100 ;
Abstract

Provided a fuel injection industrial engine E capable of determining a fuel injection quantity and an injection timing by a simple structure. The engine E includes a fuel injector for injecting a fuel into intake air; ignition coils and for activating ignition plugs by generating an ignition signal synchronized with the rotation of the engine E; and an injection control device for controlling the injection quantity and the injection timing of the fuel injector by determining the engine speed (or the rotating speed) and phase on the basis of an ignition current signal e extracted from a primary side of said ignition coils and


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