| 摘要 |
PROBLEM TO BE SOLVED: To reduce adhesion of injected fuel on a cylinder inner wall and a piston crown surface causing deterioration of combustion performance and exhaust gas performance in cylinder direct injection spray guide combustion system using multi-hole injector. SOLUTION: This device is provided with the multi-hole injector 26 for injecting fuel in a combustion chamber 21, a fuel pressure control means 31 controlling supply fuel pressure, a tumble control valve 34 for controlling air flow in the combustion chamber. A spray characteristic setting means sets spray characteristics such as an injection direction, spray penetration, spray particle size according to a combustion chamber shape. COPYRIGHT: (C)2005,JPO&NCIPI
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