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    • 67. 发明授权
    • Actuator having drive cam and valve lift controller using the actuator
    • 具有驱动凸轮和执行器的气门升程控制器的致动器
    • US07004127B2
    • 2006-02-28
    • US10690664
    • 2003-10-23
    • Akira ShibataYasuyoshi Suzuki
    • Akira ShibataYasuyoshi Suzuki
    • F01L1/34
    • F01L13/0005F01L13/0015F01L2105/00F01L2201/00F01L2820/032
    • An actuator is used for controlling an intake valve lift of an automotive engine. A control shaft is joined with a transmission device on its one end side, and is joined with a valve lift controller on the other end side. The control shaft is arranged perpendicularly to a spindle of a motor. Besides, the transmission device includes a drive cam internally. Thus, the actuator is reduced in size in a longitudinal direction of the control shaft regardless the length of the motor. When the motor rotates, the control shaft reciprocates in accordance with a cam profile of the drive cam. The intake valve lift can be precisely controlled by defining the cam profile, especially in a rotation range of the drive cam corresponding to the idling operation of the engine.
    • 致动器用于控制汽车发动机的进气门升程。 控制轴在其一端侧与传动装置连接,并且在另一端侧与气门升程控制器接合。 控制轴垂直于电动机的主轴设置。 此外,传动装置在内部包括驱动凸轮。 因此,无论电动机的长度如何,致动器的尺寸在控制轴的纵向方向上减小。 当电动机旋转时,控制轴根据驱动凸轮的凸轮轮廓往复运动。 可以通过限定凸轮轮廓来精确地控制进气门升程,特别是在对应于发动机的空转操作的驱动凸轮的旋转范围内。