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    • 7. 发明授权
    • Hydraulic torque converter
    • 液压变矩器
    • US06742638B2
    • 2004-06-01
    • US10194085
    • 2002-07-11
    • Stephan MaienscheinBruno MüllerGunnar Back
    • Stephan MaienscheinBruno MüllerGunnar Back
    • F16H4502
    • F16H45/02F16H2045/0215F16H2045/0278F16H2045/0289
    • Overheating of various parts of a hydraulic torque converter between the engine and the transmission of the power train in a motor vehicle, wherein the torque converter employs a bypass clutch which generates heat when it is operated with slip, is counteracted by establishing one or more paths for the flow of hydraulic converter fluid from a first plenum chamber at one side of the axially movable piston of the bypass clutch to a second plenum chamber. A first portion of each such path is defined by at least one groove in a friction surface of at least one part of the bypass clutch, and a second portion of each such path is defined by one or more throttling orifices which offers or offer to the fluid flow a resistance several times that of the groove(s).
    • 发动机和机动车辆中的动力传动系的变速器之间的液压变矩器的各部分的过热,其中,变矩器采用在通过滑动操作时产生热的旁路离合器,通过建立一个或多个路径 用于将液压转换器流体从旁路离合器的可轴向移动的活塞的一侧的第一增压室流动到第二增压室。 每个这样的路径的第一部分由旁路离合器的至少一部分的摩擦表面中的至少一个槽限定,并且每个这样的路径的第二部分由一个或多个节流孔限定,该节流孔提供或提供给 流体流动的阻力是槽的几倍。
    • 9. 发明授权
    • Hydrodynamic torque converter
    • 液力变矩器
    • US06708804B2
    • 2004-03-23
    • US10146708
    • 2002-05-14
    • Thorsten KrauseBruno Müller
    • Thorsten KrauseBruno Müller
    • F16D3300
    • F16H45/02
    • A hydrodynamic torque converter has a rotary housing which carries a pump assembly and can be driven by the output element of a prime mover in the power train of a motor vehicle, a turbine which is rotatable in the housing and has a hub mounted on the input shaft of a change-speed transmission, and a lockup clutch which, when engaged, can transmit torque from the housing directly to the turbine. The axially movable piston of the clutch is rotatable with the housing; this piston defines a first chamber with the housing and a second chamber with the turbine. The first chamber can receive pressurized hydraulic fluid to cause the piston to disengage the clutch so that the turbine can be rotated by the pump assembly by way of the body of fluid in the housing between the pump assembly and the turbine. The second chamber can receive fluid along at least one first path to engage the clutch by moving the piston toward the housing, and along at least one second path when the clutch is at least partially engaged.
    • 流体动力学变矩器具有旋转壳体,其承载泵组件并且可以由机动车辆的动力传动系中的原动机的输出元件驱动,涡轮机可在壳体中旋转并且具有安装在输入端上的轮毂 变速传动的轴,以及锁止离合器,其在接合时能够将扭矩从壳体直接传递到涡轮机。 离合器的可轴向移动的活塞可与壳体一起旋转; 该活塞限定具有壳体的第一室和具有涡轮的第二室。 第一室可以接收加压的液压流体以使活塞脱离离合器,使得涡轮可以通过泵组件通过泵组件和涡轮机之间的壳体中的流体进行旋转。 第二腔室可以沿着至少一个第一路径接收流体,以通过将活塞朝着壳体移动并且当离合器至少部分地接合时沿着至少一个第二路径接合离合器。