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    • 4. 发明授权
    • Speed reduction device
    • 减速装置
    • US4811699A
    • 1989-03-14
    • US149648
    • 1988-01-28
    • Kazuyuki ShiomiTakahiko Murata
    • Kazuyuki ShiomiTakahiko Murata
    • F01L1/02F16H21/28F16H25/04F16H25/14F01L1/06
    • F01L1/02F01L1/024F16H21/28F16H25/04F16H25/14F02B2275/34Y10T74/1836Y10T74/2102
    • A speed reduction device for transmitting the rotation of a drive shaft to a driven shaft in a speed reducing manner. An eccentric cam is securely mounted on the drive shaft and has a central axis eccentrically offset from a central axis of the drive shaft, and the driven shaft is rotatably mounted in eccentrically offset relation from the drive shaft by an eccentricity equal to that of the eccentric cam. The driven shaft includes a pair of opposed surface portions which are adapted to rotate in a normally clamping and circumscribing relation with respect to the eccentric cam. When the speed reduction device is used in an intake and exhaust valve timing and actuating device of an internal combustion engine, a crank shaft serves as the drive shaft, while a follower cam associated with intake and exhaust valves serves as the driven shaft.
    • 一种用于以减速方式将驱动轴的旋转传递到从动轴的减速装置。 偏心凸轮被牢固地安装在驱动轴上并且具有偏离驱动轴的中心轴线偏心的中心轴,从动轴以与偏心轮相等的偏心度与驱动轴偏心地可旋转地安装 凸轮 从动轴包括一对相对的表面部分,其适于以相对于偏心凸轮的正常夹紧和外围关系旋转。 当减速装置用于内燃机的进气和排气门正时和致动装置时,曲轴用作驱动轴,而与进气和排气阀相关联的从动凸轮用作从动轴。