Internal-combustion engines – Combustion chamber means having fuel injection only – Combustible mixture stratification means
Patent
1993-09-22
1994-08-02
Wolfe, Willis R.
Internal-combustion engines
Combustion chamber means having fuel injection only
Combustible mixture stratification means
123305, 123 73C, 123478, F02B 1700, F02D 4134
Patent
active
053335830
ABSTRACT:
For fuel injection control in a cylinder direct-injection engine, fuel injection beginnings for injecting fuel successively into a plurality of cylinders are calculated; threshold voltage impression beginnings at which a threshold voltage for starting to inject the fuel from injectors is applied are calculated, corresponding to the fuel injection beginnings, and the ends of the threshold voltage impression are calculated; it is determined whether or not a first period between the beginning and end of threshold voltage impression for a preceding cylinder is coincident with a second period between the beginning and end of threshold voltage impression for a succeeding cylinder; and the second period is modified so as to be earlier or later than the first period, if the two periods are coincident with each other.
REFERENCES:
patent: 5050551 (1991-09-01), Morikawa
patent: 5054444 (1991-10-01), Morikawa
patent: 5078107 (1992-01-01), Morikawa
patent: 5086737 (1992-02-01), Watanabe et al.
patent: 5127378 (1992-07-01), Ito
patent: 5191531 (1993-03-01), Kurosu et al.
Fuji Jukogyo Kabushiki Kaisha
Wolfe Willis R.
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