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    • 69. 发明授权
    • Infinitely-variable pulley gear
    • 无级变速滑轮齿轮
    • US06491596B1
    • 2002-12-10
    • US09522842
    • 2000-03-10
    • Johannes HeinrichGert SchönnenbeckPeter Wagner
    • Johannes HeinrichGert SchönnenbeckPeter Wagner
    • F16H5556
    • F16H61/66272
    • A pulley gear for an infinitely-variable pulley drive has one pulley disposed on a drive shaft and another pulley disposed on an output shaft, and a transmission element circulating between the pulleys. An output side pressing force is applied to the output side pulley by a pressure medium and a drive side pressing force is applied to the drive side pulley by the pressure medium. The pulley gear has a valve that generates a torque-dependent pressure through the torque-dependent relative movement of a first ring, a jacket, and a second ring, thereby providing a load-dependent pressing force. A cylinder and the second ring form a first cylinder-piston aggregate, and the jacket and first and second rings form a second cylinder-piston aggregate. The first ring has a first cam track thereon and the second ring has a second cam track. The surface of the second ring which is exposed to the pressure medium and which has the cam tracks has a greater area than an area of the surface of the second ring exposed to the pressure medium and oriented towards the first cylinder-piston aggregate.
    • 用于无级变速滑轮驱动器的滑轮齿轮具有设置在驱动轴上的一个滑轮和设置在输出轴上的另一滑轮以及在滑轮之间循环的传动元件。 输出侧按压力通过压力介质施加到输出侧滑轮,并且通过压力介质将驱动侧按压力施加到驱动侧滑轮。 滑轮齿轮具有阀,其通过第一环,护套和第二环的与扭矩有关的相对运动产生与力相关的压力,由此提供负载相关的按压力。 气缸和第二环形成第一气缸 - 活塞集合体,并且护套和第一和第二环形成第二气缸 - 活塞集合体。 第一环在其上具有第一凸轮轨道,并且第二环具有第二凸轮轨道。 暴露于压力介质并且具有凸轮轨道的第二环的表面具有比暴露于压力介质的第二环的表面的面积大的面积,并朝向第一气缸 - 活塞集合体定向。