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    • 3. 发明授权
    • Method for detecting a powerloss condition of a reciprocating internal
combustion engine
    • 用于检测往复式内燃机的动力损失状况的方法
    • US5878366A
    • 1999-03-02
    • US676548
    • 1996-07-09
    • David R. SchrickerJulie A. Gannon
    • David R. SchrickerJulie A. Gannon
    • F02D41/14F02D41/22G01M15/11B60K28/16G01M15/00
    • F02D41/22F02D41/1498G01M15/11F02D2200/1015
    • In one aspect of the present invention, a method for detecting a powerless condition of a reciprocating internal combustion engine is provided. The engine has a plurality of reciprocating components, at least one cylinder and a crankshaft. The method includes the steps of sensing angular velocity of the crankshaft and responsively producing an angular velocity signal and determining a rate of fuel supplied to the one cylinder and responsively producing a fuel rate signal. The method further includes the steps of determining an indicated torque for the one cylinder as a function of the angular velocity signal and the fuel rate signal and responsively producing an indicated torque signal. Further, the method includes the steps of determining a requested torque for the one cylinder as a function of the fuel rate signal and the angular velocity signal and responsively producing a requested torque signal. An indication of powerless of the one cylinder is determined as a function of the requested torque signal and the actual torque signal.
    • 在本发明的一个方面,提供一种用于检测往复式内燃机的无功状态的方法。 发动机具有多个往复运动部件,至少一个汽缸和曲轴。 该方法包括以下步骤:感测曲轴的角速度并且响应地产生角速度信号并确定供应到一个气缸的燃料的速率并响应于产生燃料速率信号。 该方法还包括以下步骤:根据角速度信号和燃料速率信号确定一个气缸的指示转矩,并响应于产生指示的转矩信号。 此外,该方法包括以下步骤:根据燃料速率信号和角速度信号确定一个气缸的要求扭矩,并响应于产生所请求的扭矩信号。 根据请求的扭矩信号和实际转矩信号确定一个气缸的无力指示。