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CAM PHASE SENSOR, CONTROL DEVICE OF VARIABLE VALVE TIMING MECHANISM AND CONTROL METHOD OF VARIABLE VALVE TIMING MECHANISM
CAM PHASE SENSOR, CONTROL DEVICE OF VARIABLE VALVE TIMING MECHANISM AND CONTROL METHOD OF VARIABLE VALVE TIMING MECHANISM
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机译:凸轮相位传感器,可变气门正时机构的控制装置及可变气门正时机构的控制方法
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摘要
PROBLEM TO BE SOLVED: To avoid the deterioration in controllability of a variable valve timing mechanism, by restraining lengthening of a time interval for updating a detecting value of the valve timing (a rotational phase) even in a low rotation area.;SOLUTION: An inline 4-cylinder engine is provided with a cylinder discriminating sensor for outputting a cylinder discriminating signal for every 180 degs in a crank angle, and a cam phase sensor for outputting a cam phase signal for every 90 degs in the crank angle. The rotational phase of a camshaft is detected for every 90 degs in the crank angle by detecting angles FA1 and FA2 up to the cam phase signal from a reference crank angle position.;COPYRIGHT: (C)2006,JPO&NCIPI
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