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    Hydrodynamic variator of velocity having radial pistons
    1.
    发明授权
    Hydrodynamic variator of velocity having radial pistons 失效
    具有径向活塞速度的水动力变量

    公开(公告)号：US5228290A

    公开(公告)日：1993-07-20

    申请号：US578569

    申请日：1990-09-06

    申请人： Giuseppe Speggiorin

    发明人： Giuseppe Speggiorin

    IPC分类号： F16H41/00 ,  F16H39/18 ,  F16H41/04

    CPC分类号： F16H39/18

    摘要： The improved hydrodynamic variator of velocity comprises a pump (3) having radial pistons and a hydromotor (4) also having radial pistons. At least the pump is arranged with a variable eccentricity and there is provided a central body (56) the latter having frontal distributors (30 and 31) which are placed in communication with the radial cylindrical cavities respectively of the pump and the hydromotor by means of the openings of the conduits (32 and 33). By varying the eccentricity of the pump, the rate of flow of the liquid in the pump is varied, thus causing a variation in the number of turns of the hydromotor.

    摘要翻译： 改进的流体动力学变速器包括具有径向活塞的泵（3）和还具有径向活塞的液压马达（4）。 至少泵具有可变的偏心度，并且设置有中心体（56），后者具有正面分配器（30和31），后侧分配器（30和31）分别通过泵和液压马达与径向圆柱形空腔连通 导管（32和33）的开口。 通过改变泵的偏心率，泵内液体的流速变化，从而导致液压马达的匝数变化。