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1. 发明授权

US5975260A Hydrokinetic torque convertor with bypass clutch having grooved friction lining 失效
标题翻译：带有沟槽摩擦衬里的旁路离合器的水动力矩转矩器
公开(公告)号：US5975260A
公开(公告)日：1999-11-02
申请号：US918208
申请日：1997-08-25
申请人： Robert Fischer , Marco Voigt , Uwe Wagner , Frank Uhlmann , Bernhard Zimmer
发明人： Robert Fischer , Marco Voigt , Uwe Wagner , Frank Uhlmann , Bernhard Zimmer
IPC分类号： F16H45/02 , F16D33/00 , F16D13/72 , F16D69/00
CPC分类号： F16H45/02 , F16D2013/581 , F16H2045/0278 , F16H2045/0289 , F16H2045/0294
摘要： The bypass clutch in the fluid-containing housing of the hydrokinetic torque converter in the power train of a motor vehicle is provided with a first friction surface carried by a radially extending or conical section of the housing, and with a complementary friction surface carried by an axially movable piston or by an intermediate clutch plate of the bypass clutch. At least one of the friction surfaces is provided with an array of pockets and/or channels for a fluid (such as oil) which withdraws friction heat developing when the bypass clutch is partially engaged so that the friction surfaces contact but slip relative to each other. The depth and/or the width of the channels is at least substantially constant, and such channels can include bends between straight channel sections. The inlets of the channels can be located at the radially inner or radially outer marginal portion and their outlets can be located at the radially outer or inner marginal portion of the respective friction surface.
摘要翻译：在机动车辆的动力传动系中的动力学变矩器的流体容纳壳体中的旁路离合器设置有由壳体的径向延伸或圆锥形部分承载的第一摩擦表面，并且具有由轴向移动的活塞或旁路离合器的中间离合器片。摩擦表面中的至少一个设置有用于流体（例如油）的凹穴和/或通道的阵列，其在旁路离合器部分接合时撤回摩擦热显影，使得摩擦表面接触但相对于彼此滑动。通道的深度和/或宽度至少基本上恒定，并且这些通道可以包括直通道部分之间的弯曲。通道的入口可以位于径向内部或径向外边缘部分处，并且其出口可以位于相应摩擦表面的径向外部或内部边缘部分。

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