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    • 2. 发明申请
    • FRICTION DEVICE FOR AUTOMATIC TRANSMISSION
    • 用于自动变速器的摩擦装置
    • US20090283379A1
    • 2009-11-19
    • US12323455
    • 2008-11-25
    • Jaejoon Lee
    • Jaejoon Lee
    • F16D23/00
    • F16D25/0638F16D25/12F16D65/186F16D2048/0212F16D2121/02F16D2127/02
    • A friction device for an automatic transmission according to the invention includes a retainer, a wave coil spring, a center support, a piston, and a plurality of plates. The retainer is disposed on the inner circumference of a transmission case. The wave coil spring is disposed on a seating portion of the retainer. The center support is disposed in the transmission case. The piston is disposed in a pressure chamber of the center support and provided with a return force by contacting with the wave coil spring. The plates are spline-connected with the inner circumference of the transmission case and pressed by the piston. Further, the retainer has a protruding portion to align the center axis of the wave coil spring with the center axis of the transmission case.
    • 根据本发明的用于自动变速器的摩擦装置包括保持器,波浪螺旋弹簧,中心支撑件,活塞和多个板。 保持器设置在变速箱的内周上。 波形螺旋弹簧设置在保持器的安置部分上。 中心支架设置在变速箱内。 活塞设置在中心支撑件的压力室中,并通过与波浪螺旋弹簧接触而提供返回力。 板与变速箱的内周花键连接并由活塞压紧。 此外,保持器具有突出部分,以使波形螺旋弹簧的中心轴线与变速箱的中心轴对准。