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    • 10. 发明公开
    • FUEL SYSTEM FOR COMBUSTION ENGINE AND A METHOD FOR CONTROLLING A FUEL SYSTEM
    • 燃油系统一种用于控制燃料系统的内燃机和方法
    • EP2976519A4
    • 2017-01-11
    • EP14769893
    • 2014-03-12
    • SCANIA CV AB
    • CEDFORS DANFORSBERG CARINAFOGELBERG PATRIKJONSSON ANDERS
    • F02M37/10B60K15/03F02M37/00F02M37/18F02M37/22
    • B60K15/03B60K2015/03118B60K2015/03125B60K2015/03138B60K2015/03236B60Y2200/14F02M37/0023F02M37/0029F02M37/0047F02M37/0088F02M37/10F02M37/18F02M37/22
    • A fuel system (4) for a combustion engine (2) comprises a first fuel tank (20), a second fuel tank (22), a first fuel pipe (36) arranged in connection with the first fuel tank (20) and the second fuel tank (22), a second fuel pipe (40) arranged in connection with the first fuel tank (20), a main feed pump (26), and a trans¬ fer pump (28). The main feed pump (26) is arranged to feed fuel from the first fuel tank (20) through the second fuel pipe (40) and the transfer pump (28) is arranged to feed fuel from the second fuel tank (22) to the first fuel tank (20) via the first fuel pipe (36). A first electric engine (M1 ) is arranged to drive the transfer pump (28) and a second electric engine (M2) is arranged to drive the main feed pump (26). A pre-filter (30) is arranged downstream of the transfer pump (28), so that the transfer pump (28) feeds pressurised fuel through the pre-filter (30). The fuel system also enables a method to control a fuel system (4) with good filtration of the fuel, and which reduces the risk of operational disruptions in a combustion engine (2) and a motor vehicle.
    • 一种用于内燃机(2)的燃料系统(4)包括一个第一燃料箱(20),第二燃料箱(22),在与所述第一燃料箱(20)连接设置在第一燃料配管(36)和所述 第二燃料箱(22),与所述第一燃料箱(20)连接设置在第二燃料配管(40),主进料泵(26)和FER泵(28)中的trans¬。 主进料泵(26)被布置成通过所述第二燃料配管(40)和输送泵(28)从所述第一燃料箱(20)供给燃料被布置为从所述第二燃料箱(22)供给燃料 通过第一燃料配管的第一燃料箱(20)(36)。 第一电动发动机(M1)被布置成驱动所述输送泵(28)和第二电动发动机(M2)被布置为驱动所述主进料泵(26)。 预过滤器(30)布置在所述输送泵(28)的下游,象输送泵(28)通过预过滤器(30)将加压燃料。 因此,燃料系统使得能够控制燃料系统(4)与燃料的良好的过滤的方法,并且减少在燃烧发动机(2)和机动车操作中断的风险。