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    • 29. 发明授权
    • Ring dampener for rotary fluid pressure device
    • 用于旋转流体压力装置的环形阻尼器
    • US4091717A
    • 1978-05-30
    • US680991
    • 1976-04-28
    • Edward J. BojasDavid C. Ours
    • Edward J. BojasDavid C. Ours
    • F04B1/10F04B1/04F04B1/107F04B1/113F04B49/12F16H39/16F01B13/06F16D31/02
    • F04B49/128F04B1/0413F04B1/0443F16H39/16
    • A vibration reducing shoe for biasing a cam ring of a variable displacement ball pump into engagement with a surface of the pump housing. In a hydrostatic transmission having a variable displacement pump and a fixed displacement motor a pair of shoes are located within bores in the pintle. The shoes are slidably received in the bores and exert a force against the cam ring which is proportional to the pressure of the fluid used to rotate the motor. Since the pump is reversible, one shoe is in fluid communication with one of the passages directing fluid to the motor and the other shoe is in fluid communication with the other passage. Accordingly, the force exerted on the cam ring by the shoes increases and decreases with increases and decreases in the pressure of the fluid from the pump to the motor.
    • 一种用于将可变排量球泵的凸轮环偏置成与泵壳体的表面接合的减振鞋。 在具有可变排量泵和固定排量电动机的静液传动装置中,一对鞋位于枢轴中的孔内。 鞋可滑动地容纳在孔中并且对凸轮环施加力,其与用于旋转马达的流体的压力成比例。 由于泵是可逆的,所以一个鞋与将流体引导到马达的一个通道流体连通,另一个鞋与另一个通道流体连通。 因此,通过鞋的作用在凸轮环上的力随着流体从泵到马达的压力的增加和减小而增加和减小。