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    • 90. 发明公开
    • 차량의 연료 공급 장치
    • 燃油供应装置
    • KR1020070094952A
    • 2007-09-27
    • KR1020077017896
    • 2006-01-20
    • 도요타 지도샤(주)
    • 도모다데루토시츠치야도미히사사카이미츠토
    • F02M63/02F02M69/04F02M69/46
    • F02M69/046F02D41/3094F02M59/102F02M59/366F02M63/0225F02M63/024F02M63/029F02M69/044
    • Fuel pipes (190 and 192) guide fuel from a fuel tank (165) provided in a rear area (600R) of the vehicle to a low-pressure fuel supply system (11) and a high-pressure fuel supply system (12), respectively, for injecting the fuel to an engine (10) provided in a front area (600F) of the vehicle. A branch point (Na) between the fuel pipes (190 and 192) is arranged in the vicinity of the fuel tank (165) to secure a long pipe length between the low-pressure fuel supply system (11) and the high-pressure fuel supply system (12). This can suppress variation in fuel pressure at the low-pressure fuel supply system (11) attributable to the fuel that is discharged from the high-pressure fuel pump (200) within the high-pressure fuel supply system (12) back to the fuel pipe (192).
    • 燃料管道(190和192)将燃料从设置在车辆的后部区域(600R)的燃料箱(165)引导到低压燃料供应系统(11)和高压燃料供应系统(12), 分别用于将燃料喷射到设置在车辆的前部区域(600F)中的发动机(10)。 燃料管190和192之间的分支点(Na)布置在燃料箱165的附近,以确保低压燃料供给系统11和高压燃料 供应系统(12)。 这可以抑制由高压燃料供给系统(12)内的高压燃料泵(200)排出的燃料所引起的低压燃料供给系统(11)的燃料压力的变化回到燃料 管(192)。