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    • 87. 发明授权
    • Method of fuel injection
    • 燃油喷射方法
    • US08116962B2
    • 2012-02-14
    • US12614856
    • 2009-11-09
    • Jeffrey AllenPaul Bartholomew RavenhillSteven BarracloughBenjamin David SmitherTimothy Guy Drake
    • Jeffrey AllenPaul Bartholomew RavenhillSteven BarracloughBenjamin David SmitherTimothy Guy Drake
    • F02D41/24
    • F02D41/402F02D41/32F02D2400/06F02M45/10F02M51/04F02M57/027F02M69/02F02M69/044Y02T10/44
    • A method of operating an internal combustion engine. With reference to FIG. 1, fuel is supplied to charge air using an injector (116) which in each operation delivers a set amount of fuel. The amount of fuel supplied to the charge air in each engine cycle is controlled by how many times the injector (116) operates in each cycle. A desired fuel demand is calculated as a number of operations of the injector per cycle, calculated to at least one decimal place. The desired fuel demand is rounded to a near integer to provide an output fuel demand for the injector as a number of operations of the injector for the next operating cycle in varying operating conditions of the engine. The controller calculates an aggregate number of operations for a plurality of engine cycles which is closer to an aggregated desired fuel demand for the plurality of cycles than if for each cycle of the plurality of output cycles the output fuel demand is calculated independently.
    • 一种操作内燃机的方法。 参考图1。 如图1所示,使用喷射器(116)供应燃料来对空气进行充气,在每个操作中输送设定量的燃料。 在每个发动机循环中供给到增压空气的燃料量由喷射器(116)在每个循环中操作多少次来控制。 所需的燃料需求被计算为每个循环的喷射器的操作次数,计算为至少一个小数位。 期望的燃料需求被舍入到接近整数,以在喷射器的输出燃料需求量作为在发动机的变化的操作条件下的下一个操作循环的喷射器的操作的数量。 控制器计算多个发动机循环的操作的总数,该多个发动机循环相对于多个输出循环中的每个循环的输出燃料需求独立地计算,该多个发动机循环的操作更接近于多个循环的聚合期望燃料需求。