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:
Oct. 06, 1987

Filed:

Feb. 04, 1986
Applicant:
Inventor:

Akimasa Yasuoka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
123490 ; 123478 ;
Abstract

A fuel injection timing control method for an internal combustion engine, wherein fuel injection is effected over a fuel injection period determined based on engine operation parameters from predetermined fuel injection beginning relative to a predetermined crank angle position. The predetermined fuel injection beginning is corrected by a correction value obtained by multiplying the determined fuel injection period by a predetermined coefficient, to thereby determined desired fuel injection beginning. Preferably, the predetermined fuel injection beginning is corrected not only by the above correction value but by a second correction value based on the delay time that elapses from the moment fuel is injected until it is actually drawn into the engine cylinder.


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