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    • 2. 发明授权
    • Lockup torque converter having slip control means
    • 具有滑差控制装置的锁定变矩器
    • US4560043A
    • 1985-12-24
    • US545198
    • 1983-10-25
    • Takashi MurasugiYoshiro MorimotoMasaaki SugaYasuhiro Niikura
    • Takashi MurasugiYoshiro MorimotoMasaaki SugaYasuhiro Niikura
    • F16H45/02F16H61/14F16D43/284
    • F16H45/02F16H61/14F16H2045/0294F16H2061/145Y10T477/635
    • A torque converter having an engine-driven pump impeller fastened to an input shell and a fluid-driven turbine runner mounted on an output shaft is equipped with a fluid-operated lockup clutch for providing a direct mechanical drive between the input shell and the output shell. The lockup clutch is maintained in a slipping engagement condition in an intermediate speed range. This slipping engagement is controlled by a variable fluid passage whose opening size is determined by an axial position of the turbine runner relative to the output shaft. The turbine runner is rotatable and axially movable relative to the output shaft. The turbine runner and the output shaft have, respectively, flanges which rotates side by side. There are formed, between the flanges, a plurality of pockets which are circumferentially arranged. Each pocket has contoured surfaces, and confines a ball. Each set of the ball and pocket is so formed as to control the opening size of the variable fluid passage by causing the turbine runner to move axially when the turbine runner rotate relative to the output shaft.
    • 具有紧固到输入壳体的发动机驱动的泵叶轮和安装在输出轴上的流体驱动的涡轮流量的变矩器配备有流体操作的锁止离合器,用于在输入壳和输出壳之间提供直接的机械驱动 。 锁止离合器在中速范围内保持滑动接合状态。 这种滑动接合由可变流体通道控制,可变流体通道的开口尺寸由涡轮流道相对于输出轴的轴向位置确定。 涡轮转轮相对于输出轴是可旋转的并且可轴向移动。 涡轮机转轮和输出轴分别具有并排旋转的凸缘。 在凸缘之间形成有周向布置的多个凹穴。 每个口袋都有轮廓,并限制一个球。 每一组球窝是这样形成的,以便当涡轮转轮相对于输出轴旋转时,通过使涡轮转轮轴向移动来控制可变流体通道的开口尺寸。
    • 7. 发明授权
    • Slip control mechanism for friction clutch in torque converter of
automatic power transmission
    • 自动变速器变矩器摩擦离合器滑移控制机构
    • US4640395A
    • 1987-02-03
    • US657953
    • 1984-10-05
    • Takashi MurasugiMasaaki SugaYasuhiro Niikura
    • Takashi MurasugiMasaaki SugaYasuhiro Niikura
    • F16H45/02F16H61/14B60K41/02F16D47/06
    • F16H45/02F16H61/14F16H2045/0294F16H2061/145
    • A slip control mechanism comprises a throttling path with a cross-sectional area variable according to the relative displacement of an output element of a torque converter and an output shaft. The throttling path is in communication via a fluid passage with a disengagement chamber opposing one side of a friction clutch. The other side of the friction clutch faces an engagement chamber. The disengagement chamber and the engagement chambers are so arranged as to control slippage of the friction clutch by pressure balance therebetween. The throttling path is formed in a specific geometry which assures moderate changes in the pressure balance between the disengagement chamber and engagement chamber in an intermediate throttling range. In the preferred construction, the throttling path is so constructed that the rate of change of the throttling cross-sectional area satisifes the inequalityd.sup.2 S/dx.sup.2 .gtoreq.whereS is the cross-sectional area of the throttling path, andx is the relative displacement of the output element of the torque converter and the output shaft.
    • 滑动控制机构包括根据变矩器的输出元件和输出轴的相对位移而具有可变截面面积的节流路径。 节流路径经由与摩擦离合器的一侧相对的分离室的流体通道连通。 摩擦离合器的另一侧面向接合室。 分离室和接合室被布置成通过其间的压力平衡来控制摩擦离合器的滑动。 节流路径以特定几何形状形成,其确保在中间节流范围内的分离室和接合室之间的压力平衡的适度变化。 在优选结构中,节流路径被构造成节流截面积的变化率满足不等式d2S / dx2> / =,其中S是节流路径的横截面面积,x是相对 变矩器的输出元件和输出轴的位移。