Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2006-10-16
2009-11-03
Cronin, Stephen K (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C123S299000, C123S300000
Reexamination Certificate
active
07610900
ABSTRACT:
A method and article of manufacture are provided to operate a spray-guided, spark-ignition, direct fuel injection engine, including injecting a first fuel pulse during a combustion cycle, and initiating spark ignition by energizing a spark igniter. A second fuel pulse is injected during the combustion cycle effective to form an ignitable fuel-air mixture proximal to the spark igniter during a period in time whereat the spark igniter is energized. A preferred elapsed time between an end of the first fuel pulse and start of the spark ignition is determined based upon engine load.
REFERENCES:
patent: 4305351 (1981-12-01), Staerzl
patent: 5575259 (1996-11-01), Fukui et al.
patent: 6089077 (2000-07-01), Daniels
patent: 6401703 (2002-06-01), Mamiya et al.
patent: 6520142 (2003-02-01), Nogl
patent: 6557526 (2003-05-01), Hoshino
patent: 6609493 (2003-08-01), Yamaguchi
patent: 6659074 (2003-12-01), Lippert et al.
patent: 6854438 (2005-02-01), Hilger et al.
patent: 2003/0089331 (2003-05-01), Ueda et al.
patent: 2003/0168038 (2003-09-01), McKay
patent: 2004/0011326 (2004-01-01), Yamashita et al.
Szekely, G, Combustion Characteristics of a Spray-Guided DI Stratified Charge Engine with a High Squish Piston, SAE Tech Paper, 2005-01-1937, SAE Warrendale PA USA.
Lippert Andreas M.
Otto Ronald M.
Parrish Scott E.
Solomon Arun S.
Upatnieks Ansis
Coleman Keith
Cronin Stephen K
GM Global Technology Operations Inc.
LandOfFree
Method and apparatus for operating a spark-ignited direct... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for operating a spark-ignited direct..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for operating a spark-ignited direct... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4093806