Fuel injection system with injection characteristic learning...

Details Fuel injection system with injection characteristic learning... Fuel injection system with injection characteristic learning...

2011-02-22

2011-02-22

Moulis, Thomas N (Department: 3747)

Internal-combustion engines

Charge forming device

Including means responsive to instantaneous change in engine...

C123S478000, C701S103000, C701S104000

Reexamination Certificate

active

07891337

ABSTRACT:
A fuel injection system designed to learn the quantity of fuel sprayed actually from a fuel injector into an internal combustion engine. When the engine is placed in a given learning condition, the system works to spray different quantities of the fuel for different injection durations in sequence to the engine through the fuel injector to collect a plurality of data on the quantity of the fuel sprayed actually from the fuel injector. The system analyzes the corrected data to determine an injection characteristic of the fuel injector, which may have changed from a designer-defined basic injection characteristic of the fuel injector, and uses the injection characteristic in calculating an injection duration or on-duration for which the fuel injector is to be opened to spray a target quantity of fuel.

REFERENCES:
patent: 5126943 (1992-06-01), Nakaniwa
patent: 5131372 (1992-07-01), Nakaniwa
patent: 5243951 (1993-09-01), Nakaniwa
patent: 5638800 (1997-06-01), Furuya et al.
patent: 6178943 (2001-01-01), Taga et al.
patent: 6244241 (2001-06-01), Mamiya et al.
patent: 6412469 (2002-07-01), Itoyama et al.
patent: 6907861 (2005-06-01), Asano
patent: 6985807 (2006-01-01), Asano et al.
patent: 6988030 (2006-01-01), Asano et al.
patent: 6990950 (2006-01-01), Asano et al.
patent: 7363912 (2008-04-01), Asano et al.
patent: 7596992 (2009-10-01), Asano et al.
patent: 7599784 (2009-10-01), Ishizuka et al.
patent: 7647160 (2010-01-01), Sugiyama et al.
patent: 7650226 (2010-01-01), Ishizuka et al.
patent: 2003/0164166 (2003-09-01), Takeuchi et al.
patent: 2004/0267433 (2004-12-01), Asano et al.
patent: 2009/0063020 (2009-03-01), Ishizuka et al.
patent: 1 350 941 (2003-10-01), None
patent: 2004-108354 (2004-04-01), None
patent: 2005-036788 (2005-02-01), None
patent: 2005-155360 (2005-06-01), None
Japanese Office Action dated Jun. 23, 2009, issued in corresponding Japanese Application No. 2007-226460, with English translation.

Affiliated with

Also associated with

Rating

Fuel injection system with injection characteristic learning... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fuel injection system with injection characteristic learning..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fuel injection system with injection characteristic learning... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2639106