| 摘要 |
PROBLEM TO BE SOLVED: To facilitate assembly work of a respective component of a fuel supply device of an internal combustion engine. SOLUTION: The fuel supply device 39 of the internal combustion engine 10 is provided with a fuel injection valve 41, a pressurized fuel supplying means 44 for regulating a pressure of fuel 38 in a fuel tank 43 and supplying to the fuel injection valve 41. The pressurized fuel supplying means 44 is provided with a fuel supplying passage 56 communicating with a supplied part 47 of the fuel 38 in the fuel injection valve 41, a high pressure pump 75 for pressurizing the fuel 38 and supplying to the fuel supplying passage 56, a suction booster pump 72 for preloading the fuel 38 pressurized by the high pressure pump 75 and supplying to the high pressure pump 75, and a preload regulator 78 for passing the fuel preloaded by the suction booster pump 72 through a fuel communicating passage 76 and regulating to a predetermined pressure. The fuel supply device 39 is provided with an assembly block 85 for forming the fuel supplying passage 56. The fuel communicating passage 76 is formed on the assembly block 85, and the preload regulator 78 is supported by the assembly block 85. |
