Fuel injection control device and engine control system

Details Fuel injection control device and engine control system Fuel injection control device and engine control system

2008-06-11

2010-12-07

Vo, Hieu T (Department: 3747)

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

C123S299000, C123S19800E

Reexamination Certificate

active

07845343

ABSTRACT:
A fuel injection control device for performing injection control of an injector has a program for performing fuel injection of a predetermined injection quantity (a small quantity) with an injector based on establishment of a first permission condition during fuel cut of the engine and for acquiring a fuel injection quantity indicating a fuel injection characteristic of the injector and a program for performing fuel injection of a predetermined injection quantity (a small quantity) with the injector based on establishment of a second permission condition during idling of the engine and for acquiring a fuel injection quantity indicating the fuel injection characteristic of the injector. Thus, the fuel injection control device and an engine control system including the fuel injection control device can suitably sense the fuel injection characteristic of the injector.

REFERENCES:
patent: 6397585 (2002-06-01), Kitajima et al.
patent: 6755176 (2004-06-01), Takeuchi et al.
patent: 6907861 (2005-06-01), Asano et al.
patent: 7275525 (2007-10-01), Miyasako et al.
patent: 7306541 (2007-12-01), Ogawa
patent: 2007/0015630 (2007-01-01), Miyazaki
patent: 59-7743 (1984-01-01), None
patent: 2006-125370 (2006-05-01), None
Japanese Office Action dated Apr. 17, 2009, issued in corresponding Japanese Application No. 2007-155623, with English translation.

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