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    • 7. 发明申请
    • PULLEY WITH ASYMMETRIC TORQUE-SENSITIVE CLUTCHING
    • PULLEY与不对称扭矩敏感离合器
    • WO2012125882A2
    • 2012-09-20
    • PCT/US2012/029320
    • 2012-03-16
    • DAYCO PRODUCTS, LLCLANNUTTI, Anthony, E.DUTIL, Kevin
    • LANNUTTI, Anthony, E.DUTIL, Kevin
    • F16D13/58
    • F16D13/28F16D1/097F16D13/76F16D41/22
    • A pulley assembly for an automobile accessory drive system includes a shaft engaging hub, a nut threaded onto the shaft engaging hub, an annular bushing, and one or more brake shoes positioned around the outside of the annular bushing all housed with a pulley member. The nut is capable of axial translation relative to the annular bushing and the annular bushing is capable of expanding radially outward in response to the axial translation of the nut in a first direction to provide frictional engagement between the inner coupling surface of the pulley member and the outer coupling surface of the brake shoes, which transfers torque from the pulley member to the input shaft. The nut includes a generally frustoconical outer surface, opposite its inner threaded surface, for seating the nut in the annular bushing.
    • 用于汽车附件驱动系统的滑轮组件包括轴接合轮毂,螺纹连接到轴接合轮毂上的螺母,环形衬套以及围绕环形衬套的外侧定位的一个或多个制动蹄,所述制动蹄全部容纳有滑轮构件。 螺母能够相对于环形衬套轴向平移,并且环形衬套能够响应于螺母在第一方向的轴向平移而径向向外扩张,以提供滑轮构件的内联接表面与 制动蹄的外部联接表面,其将扭矩从滑轮构件传递到输入轴。 螺母包括与其内螺纹表面相对的大致截头圆锥形外表面,用于将螺母安置在环形衬套中。