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    • 1. 发明授权
    • Continuously variable transmission
    • 连续可变传动
    • US06648781B1
    • 2003-11-18
    • US09572263
    • 2000-05-17
    • Robert FischerBernhard WalterChristian BauerOswald Friedmann
    • Robert FischerBernhard WalterChristian BauerOswald Friedmann
    • F16H5556
    • F16H55/56
    • An adjustable pulley for use in a continuously variable transmission has two coaxial flanges at least one of which is a composite flange having an annular main section with a conical surface adjacent a reinforcing liner of wear resistant material. The liner is secured to the main section of the composite flange by a one-piece or composite disc-shaped insert one side of which has several portions affixed (such as bonded and/or riveted) to the adjacent side of the liner, and the other side of which has several portions affixed to the conical surface and/or another part of the main section. Those portions of the one side of the insert which are affixed to the liner are out of register with those portions of the other side of the insert which are affixed to the main section to thus enable the liner to move relative to the conical surface in one or more directions other than circumferentially of the main section.
    • 用于无级变速器的可调节滑轮具有两个同轴凸缘,其中至少一个是具有环形主体部分的复合凸缘,该环形主体部分具有与耐磨材料的加强衬套相邻的锥形表面。 衬套通过单件或复合盘形插入件固定到复合凸缘的主要部分,其一侧具有多个部分(例如粘结和/或铆接)到衬垫的相邻侧面,并且 其另一侧具有固定到锥形表面和/或主要部分的另一部分的若干部分。 固定在衬套上的插入件的一侧的那些部分与插入件的另一侧的那些部分分离,这些部分固定在主体部分上,从而能够使衬套相对于锥形表面移动 或者除了主要部分的周向以外的方向。
    • 6. 发明授权
    • Adjustable pulley for fluid-operated transmissions
    • 用于流体传动的可调节滑轮
    • US06361470B1
    • 2002-03-26
    • US09578602
    • 2000-05-25
    • Oswald FriedmannBernhard Walter
    • Oswald FriedmannBernhard Walter
    • B60R4112
    • F16H55/56F16H61/66272Y10T477/619Y10T477/6197Y10T477/6223Y10T477/624
    • An adjustable pulley for use in a continuous variable transmission in the power train of a motor vehicle has an axially fixed first conical flange and an axially movable second conical flange. The hydraulic control system which moves the second flange relative to the first flange is provided with at least one first plenum chamber which receives pressurized fluid when the second flange is to move toward the first flange, and with an additional plenum chamber which receives pressurized fluid when the second flange is to move away from the first flange. The admission of pressurized fluid into the additional chamber is regulated in dependency upon the RPM of the flanges. Rapid evacuation of pressurized fluid from the additional chamber can take place by way of a relief valve which opens when the pressure of fluid in the additional chamber rises to a preselected value. This renders it possible to rapidly shift between overdrive and underdrive.
    • 用于机动车辆的动力传动系中的连续可变传动装置中的可调节滑轮具有轴向固定的第一锥形凸缘和可轴向移动的第二锥形凸缘。 设置有使第二凸缘相对于第一凸缘移动的液压控制系统具有至少一个第一增压室,当第二凸缘朝向第一凸缘移动时接收加压流体,以及具有另外的增压室,其接收加压流体, 第二凸缘是从第一凸缘移开。 加压流体进入附加室是根据凸缘的RPM进行调节的。 加压流体从附加室中的快速抽空可以通过安全阀来进行,该释放阀在附加室中的流体的压力上升到预选值时打开。 这使得可以在过驱动和欠驱动之间快速转换。
    • 7. 发明授权
    • Variable speed transmission
    • 变速传动
    • US06186917B1
    • 2001-02-13
    • US09198712
    • 1998-11-24
    • Oswald FriedmannBernhard Walter
    • Oswald FriedmannBernhard Walter
    • F16H6100
    • F16H55/56F16H61/662F16H61/66272F16H63/065
    • A continuously variable speed transmission with two adjustable sheaves and an endless chain trained over the sheaves has a torque transmitting and monitoring unit which is installed between a prime mover, such as the engine of a motor vehicle, and an axially movable flange of one of the sheaves. The monitoring unit has two annular plenum chambers which are sealed from each other while the ratio of the transmission is within a first range, and which communicate with each other when the ratio is within a second range. A check valve between the two chambers can employ a resilient annular seal having a U-shaped cross-sectional outline. A radially outer annular portion of the seal has a lip which normally bears against the internal surface of an annular member of the valve. The seal further comprises an annular radially inner portion, and the radially inner and/or outer portion of the seal can be provided with L-shaped, polygonal and/or otherwise configurated and/or profiled reliefs to further ensure proper operation of the valve.
    • 具有两个可调节的滑轮和在滑轮上训练的环形链的连续变速传动装置具有扭矩传递和监测单元,该扭矩传递和监测单元安装在诸如机动车辆的发动机的原动机和其中一个的轴向移动的凸缘之间 滑轮 监测单元具有两个环形增压室,它们彼此密封,同时变速比在第一范围内,并且当比率在第二范围内时彼此连通。 两个腔室之间的止回阀可采用具有U形横截面轮廓的弹性环形密封件。 密封件的径向外部环形部分具有通常抵靠阀的环形构件的内表面的唇缘。 密封件还包括环形径向内部部分,并且密封件的径向内部和/或外部部分可以设置有L形,多边形和/或其它构造和/或型材浮雕,以进一步确保阀的正确操作。