| 摘要 |
<p>A cylinder-injection type internal combustion engine capable of performing a stratified operation in running at a speed of 120 km/h and/or at an engine speed of 3200 rpm so as to improve a fuel efficiency and/or clear off an emission control, wherein an air and/or air flow layer is formed between an atomized fuel sprayed from an injection nozzle and the upper surface of a piston and/or an inside wall surface of a combustion chamber, and an improved surface form to guide the air flow is formed on the upper surface of the piston, whereby the stratified operation is enabled even at a cold start or cranking.</p> |
