Control method and control apparatus of direct injection gasolin

Details Control method and control apparatus of direct injection gasolin Control method and control apparatus of direct injection gasolin

1998-06-29

1999-10-26

Kwon, John

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

123305, 123486, F02B 1700

Patent

active

059709502

ABSTRACT:
In the control method and apparatus of a direct injection gasoline engine, as for the uniform charge combustion mode performing only the intake stroke injection and the stratified charge combustion mode performing only the compression stroke injection, the injection timing is determined by referring to the injection timing map set for each mode. On the other hand, in the double injection mode performing the intake stroke injection and the compression stroke injection, the injection timing map for the intake stroke injection and the injection timing map for the compression stroke injection are both equipped, and the injection timing in the intake stroke injection is determined by the fuel quantity being injected by the intake stroke, and the injection timing in the compression stroke injection is determined by the fuel quantity being injected by the compression stroke.

REFERENCES:
patent: 4955339 (1990-09-01), Sasaki et al.
patent: 5191531 (1993-03-01), Kurosu et al.
patent: 5617836 (1997-04-01), Cullen et al.
patent: 5638790 (1997-06-01), Minowa et al.
patent: 5785031 (1998-07-01), Akimoto

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