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    • 2. 发明授权
    • Variable cam phasing device
    • 可变凸轮定相装置
    • US5172661A
    • 1992-12-22
    • US854152
    • 1992-03-20
    • John E. BruneDarryl J. MuirJames K. Day
    • John E. BruneDarryl J. MuirJames K. Day
    • F01L1/344F16D3/10
    • F01L1/34406F16D3/10
    • A phase change device of the type wherein a phase change is effected between an input member and an output member in response to the axial movement of an advancing element interconnecting the input member and the output member, and wherein such axial movement is effected by retarding the rotation of a drum member engaged with the advancing element. A grooved thread is formed in the drum member, and a plurality of balls carried in slots formed in the output member are received in the thread and in helical grooves formed in the input member to effect the relative rotation between the input and output members as the balls advance axially along the thread in response to retardation of the drum member.
    • 一种相变装置,其中响应于将输入构件和输出构件相互连接的前进元件的轴向运动,在输入构件和输出构件之间进行相变,并且其中这种轴向运动是通过将 与推进元件接合的鼓构件的旋转。 在鼓构件中形成有开槽螺纹,并且形成在输出构件中的槽中承载的多个滚珠容纳在螺纹中并且形成在输入构件中的螺旋槽中,以实现输入和输出构件之间的相对旋转,如 响应于鼓构件的延迟,球沿着螺纹轴向前进。