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    • 60. 发明授权
    • Method for operating an internal combustion engine, especially of a motor vehicle
    • 用于操作内燃机,特别是机动车辆的方法
    • US06234140B1
    • 2001-05-22
    • US09341925
    • 1999-07-21
    • Dirk MentgenGeorg Mallebrein
    • Dirk MentgenGeorg Mallebrein
    • F02D4134
    • F02D41/401F02D41/16F02D41/3029F02D2041/389F02D2200/1004Y02T10/44
    • A method for operating an internal combustion engine especially of a motor vehicle is described wherein fuel is injected directly into the combustion chamber either in a first operating mode during a compression phase or in a second operating mode during an induction phase. The fuel mass (mK), which is to be injected into the combustion chamber, is determined in both modes of operation, inter alia, in dependence upon a computed desired torque (Mdes) which is to be outputted by the engine. An injection duration (ti in ms) is determined from the fuel mass (mK) which is to be injected. Then, an injection angle (&agr;i in degrees) is determined from the injection duration (ti in ms) in dependence upon the rpm (nmotor) of the engine (1) Finally, the fuel is injected into the combustion chamber during the injection angle (&agr;i in degrees).
    • 描述了用于操作特别是机动车辆的内燃机的方法,其中在压缩阶段或在感应阶段期间在第二操作模式中,燃料在第一操作模式中直接喷射到燃烧室中。 要注入到燃烧室中的燃料质量(mK)在两种操作模式中尤其依赖于由发动机输出的计算出的期望扭矩(Mdes)来确定。 从要喷射的燃料质量(mK)确定喷射持续时间(以毫秒为单位)。 然后,根据发动机(1)的转速(nmotor),根据喷射持续时间(ti(ms))确定喷射角度(以英尺计)。最后,燃料在喷射角度 以英尺为单位)。