| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel injection valve promoting further atomization and easily adjusting fuel spray. SOLUTION: Jet hole 60 includes a first hole part 61, a first hole part 62 and a second hole part 63. When the first hole part 61 and the second hole part 63 of the first hole part 62 are extended, each extended line crosses inside of the second hole part 63. Consequently, fuel flowing in the second hole part 63 from the first hole part 61 or the first hole part 62 impinges on fuel flowing out from the first hole part 62 or the first hole part 61 when the same flows in the second hole part 63. Turbulence of fuel flow occurs thereby. Impinged fuel is guided to the second hole part 63 and is injected. Injection direction and unnecessary scatter of fuel can be prevented thereby. Consequently, further atomization of fuel is promoted by turbulence of flow and shape and injection position of fuel spray can be simply adjusted. COPYRIGHT: (C)2005,JPO&NCIPI |
