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    • 2. 发明授权
    • Valve timing controller
    • 气门正时控制器
    • US5520145A
    • 1996-05-28
    • US324341
    • 1994-10-17
    • Susumu NagaiNobuo Iida
    • Susumu NagaiNobuo Iida
    • F01L1/34F01L1/344
    • F01L1/3442
    • A valve timing controller for varying the rotating phase of a cam shaft which drives a valve of an internal combustion engine. A pulley is disposed on the circumference of the cam shaft at an end to be freely rotatable. In the pulley, a first hydraulic chamber and a second hydraulic chamber are made, and these hydraulic chambers are separated in the circumferential direction of the pulley by a vane located on the circumference of the cam shaft. By controlling the pressures in the first and second hydraulic chambers, the vane is set selectively in a middle position, a valve timing retardation position which is an opposite position with respect to a pulley rotating direction and a valve timing advance position which is a farther forward position with respect to the pulley rotating direction. The cam shaft rotates with the movement of the vane.
    • 一种用于改变驱动内燃机的阀的凸轮轴的旋转相位的气门正时控制器。 滑轮在可自由旋转的端部设置在凸轮轴的圆周上。 在滑轮中,制造第一液压室和第二液压室,并且这些液压室通过位于凸轮轴的圆周上的叶片在滑轮的圆周方向上分离。 通过控制第一和第二液压室中的压力,叶片选择性地设置在中间位置,相对于皮带轮旋转方向相反位置的气门正时延迟位置和更向前的气门正时提前位置 相对于滑轮旋转方向的位置。 凸轮轴随着叶片的运动而旋转。