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1. 发明授权

US07082362B2 Cylinder identification device for internal combustion engine 失效
标题翻译：内燃机气缸识别装置
公开(公告)号：US07082362B2
公开(公告)日：2006-07-25
申请号：US11090792
申请日：2005-03-25
申请人： Hidehiko Asama
发明人： Hidehiko Asama
IPC分类号： G06F17/00 , G01B7/30 , F02D41/06
CPC分类号： G01D5/2492
摘要： A cylinder identification device has an intake cam sensor and an exhaust cam sensor which output signals indicative of a rotation angle of the camshaft. The levels of the output signals are varied according to the rotation angle of the crankshaft. The cylinder identification is conducted based on an order of combination variation of the output signal levels. The changing positions of the output signal levels of at least one of the intake cam sensor and the exhaust cam sensor are arranged in such a manner to correspond to positions or right before positions in which the fuel can be initially injected at the time of the engine starting. Thus, the cylinder identification device can identify the initial cylinder in a short period, into which the fuel is initially injected at the time of the engine starting, whereby the startability of the engine is enhanced.
摘要翻译：气缸识别装置具有进气凸轮传感器和输出表示凸轮轴的旋转角度的信号的排气凸轮传感器。输出信号的电平根据曲轴的旋转角度而变化。圆筒识别基于输出信号电平的组合变化顺序进行。进气凸轮传感器和排气凸轮传感器中的至少一个的输出信号电平的变化位置被布置成对应于在发动机时可以最初喷射燃料的位置之前的位置开始。因此，气缸识别装置可以在发动机起动时初始喷射燃料的短时间内识别初始气缸，从而提高发动机的起动性。

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