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    • 1. 发明申请
    • VARIABLE DIAMETER GEAR DEVICE AND VARIABLE TRANSMISSIONS USING SUCH DEVICES
    • 可变直径齿轮装置和使用这种装置的可变传动装置
    • WO2009056996A3
    • 2009-06-18
    • PCT/IB2008053900
    • 2008-09-25
    • IQWIND LTDEITAN NIMRODNAVEH NATHANROGOZINSKI JOSEPH
    • EITAN NIMRODNAVEH NATHANROGOZINSKI JOSEPH
    • F16H55/30
    • F16H55/54F16H9/24
    • A variable diameter gear device for use in a variable ratio transmission system includes a gear tooth set deployed around an axle which defines an axis of rotation. The gear tooth set includes at least two displaceable gear tooth sequences, each including a multiple gear teeth spaced at a uniform pitch, and a diameter changer mechanically linked to the axle and to the gear tooth set. The diameter changer is deployed to transfer a turning moment between the axle and the gear tooth set, and to displace the gear tooth set so as to vary a degree of peripheral coextension between the gear tooth sequences. Specifically, the diameter changer transforms (he gear device between at least two states in which the gear tooth set is deployed to provide an effective cylindrical gear with differing effective numbers of teeth. The gear device may be used either in direct engagement with another- gear wheel or as part of a chain-based transmission system.
    • 用于变速传动系统的可变直径齿轮装置包括围绕限定旋转轴线的轴布置的齿轮齿组。 齿轮齿组包括至少两个可移动的齿轮齿序列,每个齿轮齿序列包括以均匀节距间隔开的多个齿轮齿,以及机械地连接到轴和齿轮齿组的直径变换器。 直径变换器被布置成传递轴和齿轮齿组之间的转动力矩,并且移动齿轮齿组以改变齿轮齿序列之间的外围共同延伸的程度。 具体地说,直径变换器在至少两种状态之间转换(齿轮装置在其中齿轮齿部被展开以提供具有不同有效齿数的有效圆柱齿轮),齿轮装置可以用于与另一齿轮直接接合 轮子或作为链式传动系统的一部分。