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    • 51. 发明授权
    • Driven pulley
    • 驱动滑轮
    • US06379274B1
    • 2002-04-30
    • US09450407
    • 1999-11-29
    • Jean Robert
    • Jean Robert
    • F16H5556
    • F16H61/66272F16H55/56
    • The driven pulley (10) is used in a continuously variable transmission (CVT). It is coaxially mountable around a main shaft (12) and comprises two opposite conical flanges, namely a first flange (14) and a second flange (18), which face each other. An annular cam plate (40) is coaxially connected to the side of the second flange (18) that is opposite the first flange (14). The cam plate (40) comprises at least two inclined first cam surfaces (42) and at least two inclined second cam surfaces (44) having an inverted inclination with reference to the first cam surfaces (42). A first radially-extending support (50) bears a set of first cam followers (54). The first support (50) is at a fixed axial distance from the first flange (14) and each first cam follower (54) is engaged with a respective one of the first cam surfaces (42). Similarly, a second radially-extending support (60) bear a set of second cam followers (64). The second support (60) is also at a fixed axial distance from the first flange (14) and each second cam follower (64) is engaged with a respective one of the second cam surfaces (44). Spiral springs (70) are mounted between the first support (50) and the second support (60). This driven pulley (10) allows a control of the return force of the springs (70, 70′) and maintains a good gripping force on the drivebelt (24) even when subjected to a reverse torque.
    • 从动皮带轮(10)用于无级变速器(CVT)。 它同轴安装在主轴(12)周围,并且包括彼此面对的两个相对的锥形凸缘,即第一凸缘(14)和第二凸缘(18)。 环形凸轮板(40)与第二凸缘(18)的与第一凸缘(14)相对的侧面同轴连接。 凸轮板(40)包括至少两个倾斜的第一凸轮表面(42)和至少两个相对于第一凸轮表面(42)具有倒置倾斜的倾斜的第二凸轮表面(44)。 第一径向延伸的支撑件(50)承载一组第一凸轮从动件(54)。 第一支撑件(50)与第一凸缘(14)处于固定的轴向距离,并且每个第一凸轮从动件(54)与相应的第一凸轮表面(42)接合。 类似地,第二径向延伸的支撑件(60)承载一组第二凸轮从动件(64)。 第二支撑件(60)也与第一凸缘(14)成固定的轴向距离,并且每个第二凸轮从动件(64)与相应的一个第二凸轮表面(44)接合。 螺旋弹簧(70)安装在第一支撑件(50)和第二支撑件(60)之间。 该从动带轮(10)允许控制弹簧(70,70')的返回力,并且即使经受反向扭矩也能在驱动带(24)上保持良好的夹紧力。
    • 56. 发明授权
    • Variable-speed belt drive having toothed flyweights
    • 具有齿形飞轮的变速皮带传动
    • US5514040A
    • 1996-05-07
    • US211329
    • 1994-05-19
    • Jean Robert
    • Jean Robert
    • F16H9/18F16H55/56F16H61/662F16H59/00
    • F16H61/66245F16H55/563Y10T74/1927
    • A pulley mounted at the output of a drive shaft is used in a variable-speed belt drive in which pairs of generally cylindrical toothed flyweights engage toothed racks in order to vary the winding diameter of the pulley by varying the centrifugal force. A V-belt is placed around the pulley. As a result of using the pulley, a more accurate adjustment of the diameter is achieved, maximum engine power is maintained under conditions of severe loading, and the response time of the diameter varying system is reduced in the case of an abrupt load change.
    • PCT No.PCT / CA92 / 00421 Sec。 371日期1994年5月19日 102(e)日期1994年5月19日PCT提交1992年9月25日PCT公布。 公开号WO93 / 06388 日期:1993年4月1日。安装在驱动轴输出处的滑轮用于变速皮带传动中,其中大致圆柱形齿形飞轮对啮合齿形齿条,以通过改变皮带轮的卷绕直径 离心力。 皮带轮周围放置一个V型皮带。 作为使用滑轮的结果,实现了更精确的直径调节,在严重负载的条件下保持最大的发动机功率,并且在突然的负载变化的情况下减小直径变化系统的响应时间。