Fuel supply apparatus for vehicle
    8.
    发明授权
    Fuel supply apparatus for vehicle 有权
    车辆燃油供应装置

    公开(公告)号:US07913667B2

    公开(公告)日:2011-03-29

    申请号:US11335622

    申请日:2006-01-20

    IPC分类号: F02M69/46

    摘要: Fuel pipes guide fuel from a fuel tank provided in a rear area of the vehicle to a low-pressure fuel supply system and a high-pressure fuel supply system, respectively, for injecting the fuel to an engine provided in a front area of the vehicle. A branch point between the fuel pipes is arranged in the vicinity of the fuel tank to secure a long pipe length between the low-pressure fuel supply system and the high-pressure fuel supply system. This can suppress variation in fuel pressure at the low-pressure fuel supply system attributable to the fuel that is discharged from the high-pressure fuel pump within the high-pressure fuel supply system back to the fuel pipe.

    摘要翻译: 燃料管道将燃料从设置在车辆后部的燃料箱引导到低压燃料供给系统和高压燃料供给系统,用于将燃料喷射到设置在车辆的前部区域中的发动机 。 燃料管之间的分支点布置在燃料箱附近,以确保在低压燃料供应系统和高压燃料供应系统之间的长管长度。 这可以抑制由于在高压燃料供给系统内从高压燃料供给系统排出到燃料管的燃料的低压燃料供给系统的燃料压力的变化。

    Fuel supply apparatus for internal combustion engine
    9.
    发明授权
    Fuel supply apparatus for internal combustion engine 失效
    内燃机燃油供应装置

    公开(公告)号:US07178506B2

    公开(公告)日:2007-02-20

    申请号:US11126250

    申请日:2005-05-11

    IPC分类号: F02B7/00 F02B7/04

    摘要: A low-pressure fuel supply system for applying pressure to a fuel by using a feed pump and supplying the fuel to a manifold fuel injection mechanism, and a high-pressure fuel supply system branched from the low-pressure fuel supply system and for applying pressure to the low-pressure fuel by using a high-pressure pump of a metering delivery type driven in accordance with the engine operation state and supplying the resultant fuel to an in-cylinder fuel injection mechanism are provided. The high-pressure pump supplies all the pressurized fuel to the high-pressure fuel supply system, irrespective of an actuation state of the in-cylinder fuel injection mechanism. Excessive fuel is returned when a relief valve is opened. Thus, pulsation caused by operation of the high-pressure pump is reduced, and the fuel can be supplied in a proper quantity.

    摘要翻译: 一种低压燃料供给系统,其通过使用供给泵向燃料施加压力并将燃料供给到歧管燃料喷射机构,以及从低压燃料供给系统分支并且施加压力的高压燃料供给系统 通过使用根据发动机操作状态驱动的计量输送型的高压泵将所得到的燃料供给到缸内燃料喷射机构,提供给低压燃料。 高压泵将所有加压的燃料供应到高压燃料供应系统,而与缸内燃料喷射机构的致动状态无关。 当安全阀打开时,会返回过多的燃油。 因此,由于高压泵的运转引起的脉动降低,能够适当地供给燃料。