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热词
    • 20. 发明授权
    • Variable valve operating device
    • 变阀操作装置
    • US07644689B2
    • 2010-01-12
    • US11658527
    • 2005-08-30
    • Manabu TatenoToshiaki AsadaShuichi Ezaki
    • Manabu TatenoToshiaki AsadaShuichi Ezaki
    • F01L1/34
    • F01L1/185F01L13/0015F01L13/0021F01L13/0063Y10T74/2107
    • A variable valve operating device that makes it possible to reduce the loss in driving force transmission from a camshaft to a valve during a valve lift is provided. The rotary motion of a drive cam is transmitted to a swing member via intermediate rollers. A coupling member couples the intermediate rollers, to a swing fulcrum that is fastened to a control shaft. The swing fulcrum is positioned eccentrically to the center of the control shaft. Further, when the control shaft is positioned at a predetermined rotation position, the swing fulcrum is positioned so that the control shaft is placed between the swing fulcrum and the intermediate rollers. Preferably, the swing fulcrum, the control shaft, and the intermediate rollers are aligned.
    • 提供了一种可变气门操作装置,其能够减小在气门升程期间从凸轮轴向阀传递的驱动力的损失。 驱动凸轮的旋转运动经由中间辊传递到摆动构件。 联接构件将中间辊连接到紧固到控制轴的摆动支点。 摆动支点位于控制轴的中心偏心。 此外,当控制轴位于预定旋转位置时,摆动支点被定位成使得控制轴位于摆动支点和中间辊之间。 优选地,摆动支点,控制轴和中间辊对齐。