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. 20, 2001
Filed:
May. 23, 2000
Applicant:
Inventors:
Assignee:
Isuzu Motors Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 3/704 ;
U.S. Cl.
CPC ...
F02M 3/704 ;
Abstract
In an electronic fuel injection apparatus which controls a fuel injection timing of a fuel injection pump for a diesel engine through a timing control valve, when the time during which a present final feedback correction quantity obtained by adding, to the last final feedback correction quantity, the present feedback correction quantity which is computed according to a difference between an actual fuel injection timing and a target fuel injection timing, reaches a lower limit or an upper limit and also the difference is outside a predetermined range, lasts for a predetermined time, controlling a timing control valve is stopped.