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    • 5. 发明授权
    • Connecting rod
    • 连杆
    • US06976456B2
    • 2005-12-20
    • US10604104
    • 2003-06-26
    • Yitzhak Isaac HenigJeffrey Eliot ChottinerJagadish SorabPravin SashidharanSatheesh Makkapati
    • Yitzhak Isaac HenigJeffrey Eliot ChottinerJagadish SorabPravin SashidharanSatheesh Makkapati
    • F02B75/04
    • F16C7/06F02B75/045
    • An adjustable connecting rod system includes a reliable, rapidly responsive mechanism for varying effective connecting rod length to vary the compression ratio of the engine. The mechanism may employ the momentum of connecting rod components during operation of the engine to provide actuation force to vary connecting rod length. Connecting rod length is preferably controlled by manipulation of fluid-actuated locking members. In a preferred embodiment, hydraulic pressure is applied through the use of engine oil or other hydraulic fluids. The connecting rod preferably employs one or more movable compression members such as roller members or other mechanical components that may be shifted from one position to another with relatively little friction in order to vary the effective length of the connecting rod. The movable compression members may engage surfaces of both the crankpin bearing retainer and the connecting rod body, loaded in compression to transmit forces therebetween.
    • 可调连杆系统包括一个可靠的,快速响应的机构,用于改变有效的连杆长度以改变发动机的压缩比。 该机构可以在发动机操作期间使用连杆组件的动量,以提供致动力来改变连杆长度。 连杆长度优选通过操纵流体驱动的锁定构件来控制。 在优选实施例中,通过使用发动机油或其它液压流体施加液压。 连杆优选地采用一个或多个可移动压缩构件,例如辊构件或其它机械部件,其可以以相对较小的摩擦从一个位置移动到另一个位置,以便改变连杆的有效长度。 可移动压缩构件可接合曲柄销轴承保持器和连杆体的两个表面,该表面被加载成压缩以在它们之间传递力。