To positively stratify a mixture even when fuel pressure differs.
An internal combustion engine 1 provided with a fuel injection apparatus 6 for injecting fuel toward the inside of a cylinder, almost at the upper part center of a combustion chamber 4, has an operation mode of performing stratified combustion as fuel injected in a compression stroke forms a stratified mixture while moving along a cavity 5a provided almost at the center part of a piston crown face. The internal combustion engine 1 is provided with an arrival position predicting means 15 for predicting the arrival position of fuel spray on a piston; a fuel injection pressure detecting means 14 for detecting fuel injection pressure, and a fuel injection timing changing means 15 for changing the fuel injection timing according to a fuel injection pressure detection value so that the moving direction of the fuel injected from the fuel injection device 6, along the cavity 5a does not change.
TSUCHIDA HIROBUMI
TAYAMA AKIRA
SHIRAISHI TAISUKE
HOTTA ISAMU
Yoshio Matsuda
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