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    • 1. 发明授权
    • Adjusting system for crank angle sensor
    • 曲柄角传感器调整系统
    • US4413508A
    • 1983-11-08
    • US300101
    • 1981-09-08
    • Yoshihisa KawamuraSeishi Yasuhara
    • Yoshihisa KawamuraSeishi Yasuhara
    • F02B1/04F02B77/08F02D41/34F02D45/00F02F7/00F02P5/02F02P5/15F02P7/077G01M15/00
    • F02D41/009F02B77/087F02P7/0775F02B1/04F02D41/0097F02F7/006
    • An adjusting system for crank angle sensor signal comprises a crank angle sensor, a timing detector and an adjusting unit including an output control device. The crank angle sensor is associated with an engine crankshaft and produces first and second signals. The first signal is indicative of a predetermined crankshaft position for each engine cylinder and the second signal is indicative of rotation of the engine crankshaft through a unit angle. These signals are used for controlling fuel injection timing or spark timing. The timing detector measures the difference between an actual value and a target value with respect to a desired timing, which timing is, for example, fuel injection timing, spark timing, or a predetermined crankshaft position for each engine cylinder. The output control device is provided at a safe place away from various engine rotational parts and is manually operable to change its output as a correction value. The adjusting unit is adapted to adjust the first signal in response to the output of the output control device to make the actual value coincide with the target value so that the first signal is electrically adjusted safely and efficiently without moving the crank angle sensor itself to attain optimal fuel injection timing or spark timing.
    • 用于曲柄角传感器信号的调节系统包括曲柄角传感器,定时检测器和包括输出控制装置的调节单元。 曲柄角传感器与发动机曲轴相关联,并产生第一和第二信号。 第一信号表示每个发动机气缸的预定曲轴位置,第二信号表示发动机曲轴以单位角度的转动。 这些信号用于控制燃料喷射正时或火花正时。 定时检测器相对于期望的定时测量实际值和目标值之间的差异,该期间例如是燃料喷射正时,火花正时或每个发动机气缸的预定曲轴位置。 输出控制装置设置在远离各种发动机旋转部件的安全的地方,并且可手动地将其输出改变为校正值。 调整单元适于响应于输出控制装置的输出来调整第一信号,以使实际值与目标值一致,使得第一信号被安全有效地电调节,而不移动曲柄角传感器本身以获得 最佳燃油喷射正时或火花正时。