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    • 7. 发明专利
    • Fuel supply device of internal combustion engine
    • 内燃机燃油供应装置
    • JP2013164081A
    • 2013-08-22
    • JP2013113300
    • 2013-05-29
    • Man Diesel Seエムアーエヌ・ディーゼル・エスエー
    • HERMAN THOMAS
    • F02M59/20F02M59/26
    • F04B53/1087F02M59/462F02M59/464
    • PROBLEM TO BE SOLVED: To provide a new type fuel supply device of an internal combustion engine, that is, an improved common rail type fuel supply device.SOLUTION: An individual high pressure pump 1 of a pump device is respectively provided with a suction valve being a suction valve 3 and capable of sucking fuel in a pump room 2 of the individual high pressure pump from a low pressure area via the suction valve, and a sending-out valve being a sending-out valve 4 and capable of carrying the fuel in the direction of a pressure accumulating system from the pump room 2 of the individual high pressure pump via the sending-out valve. A valve seat 8 of the suction valve 3 of the individual high pressure pump 1 or a valve seat 10 of the sending-out valve 4 is formed of respectively replaceable seat part inserts 11 and 12.
    • 要解决的问题:提供一种内燃机的新型燃料供给装置,即改进的共轨型燃料供给装置。解决方案:泵装置的单个高压泵1分别设有吸入阀 作为吸入阀3,能够通过吸入阀从低压区域在各个高压泵的泵室2中吸入燃料,以及作为送出阀4的送出阀,能够承载燃料 沿着来自各个高压泵的泵室2的压力积蓄系统的方向经由排出阀。 单独的高压泵1的吸入阀3的阀座8或排出阀4的阀座10由分别可更换的座部件插入件11和12构成。