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    • 4. 发明授权
    • Differential drive mechanisms
    • 差速驱动机构
    • US5435210A
    • 1995-07-25
    • US120977
    • 1993-09-13
    • John W. MooreJohn C. Carden
    • John W. MooreJohn C. Carden
    • F16H20060101F16H48/12F16H48/14
    • F16H48/14F16H48/06F16H48/12Y10T74/19005Y10T74/19042
    • A differential drive mechanism comprises a cage, which is rotatable about a first axis and represents the input, two coaxial output shafts which are rotatable with respect to the cage about the first axis, a coupling which is connected eccentrically to the two output shafts to transmit relative contra-rotational movement between them by connections which permit relative rotation of the coupling and the output shafts about a second axis parallel to the first axis and a restraint member which is coupled to the cage and to the coupling such that the coupling is rotatable with respect to the cage about a third axis perpendicular to the axis and capable of reciprocation in a direction perpendicular to the first axis but prevented from movement in a direction parallel to the first axis. The eccentric connections are constituted by a respective eccentric hole in the inner end of each output shaft in which the associated end of the coupling is received. The inner end of each output shaft is in sliding engagement with the inner surface of the cage whereby as the cage rotates about the first axis the sliding surface on the inner end of each output shaft is pressed by the coupling into contact with the opposing sliding surface on the cage so that a proportion of the input torque transmitted to the cage is transmitted directly to the output shafts through the cooperating sliding surfaces and does not pass through the coupling and restraint members.
    • 差速驱动机构包括一个可围绕第一轴线旋转并表示输入的保持架,两个同轴输出轴,其可相对于围绕第一轴线的保持架转动;耦合器,其偏心连接到两个输出轴以传输 它们之间通过允许联接器和输出轴围绕平行于第一轴线的第二轴相对旋转的连接件和通过联接到保持架和联接器的限制构件的连接件相互反向旋转运动,使得联接器可以与 相对于所述笼围绕垂直于所述轴线的第三轴线,并且能够在垂直于所述第一轴线的方向上往复运动,但被阻止在平行于所述第一轴线的方向上移动。 偏心连接由每个输出轴的内端中的相应的偏心孔构成,其中接合联接器的相关端。 每个输出轴的内端与保持架的内表面滑动接合,由于当保持架围绕第一轴线旋转时,每个输出轴的内端上的滑动表面被联轴器压紧以与相对的滑动面接触 使得传递到保持架的输入扭矩的一部分通过协作的滑动表面直接传递到输出轴,并且不通过联接和限制构件。
    • 5. 发明授权
    • Traction drive power transmission systems
    • 牵引驱动动力传动系统
    • US5214973A
    • 1993-06-01
    • US820772
    • 1992-01-15
    • Lori H. Hambric
    • Lori H. Hambric
    • F16H15/12
    • F16H15/12Y10T74/19042
    • Traction drive transmissions which may be utilized as speed increasers or speed reducers for various power and rotary motor applications including for use in transmissions for helicopter main rotor and tail rotor drives wherein power from the primary input source is transmitted to output shafts or driven elements which may be disposed at a variety of angular relationships with respect to the input source through multiple rollers which are shaped and in frictionally driven contact with one another so as to effectively divide the input load into multiple power paths to the output shafts or driven elements and wherein the rollers are oriented so as to reduce or eliminate the radial loading of stresses on the bearings in which the rollers are mounted.
    • 可用作用于各种动力和旋转电动机应用的增速器或减速器的牵引驱动变速器,包括用于直升机主转子和尾转子驱动器的变速器,其中来自主输入源的动力传递到输出轴或从动元件 通过形成并摩擦地彼此接触的多个辊子相对于输入源以各种角度关系布置,以便有效地将输入负载分成到输出轴或被驱动元件的多个动力路径,并且其中, 辊被定向以便减少或消除在安装辊的轴承上的应力的径向载荷。