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    • 5. 发明授权
    • Hydrodynamic retarder for vehicles, especially for motor vehicles
    • 车辆用流变减速器,尤其适用于机动车辆
    • US4175647A
    • 1979-11-27
    • US886120
    • 1978-03-13
    • Hans Hanke
    • Hans Hanke
    • B60T1/087F16D57/04F16D65/78
    • B60T1/087F16D57/04F16D65/78
    • A hydrodynamic retarder for vehicles, especially for motor vehicles, with an internal working circulation within a working space having at least one rotating blade wheel and at least one stationary blade wheel, with an external cooling circulation that can be filled by way of a filling and discharge line out of a pressure-medium-actuated filling cylinder and which includes a by-pass or control valve, and with a lubricating line which connects the sealing spaces of the retarder shaft both with the center of the working space as also with a control member of the control valve and with a reservoir tank that is arranged at a higher level than the retarder and is additionally connected with the filling and discharge line by way of a closure valve. A first check valve, opening in the direction toward the working space, is arranged in the connection between the lubricating line and the center of the working space while a second check valve, constructed as a venting valve, is arranged in a connection line disposed between an inlet of the retarder and the reservoir tank. The second check valve opens in the direction toward the retarder inlet of the cooling circulation, and a throttle is provided for controlling the flow through this second check valve.
    • 一种用于车辆,特别是机动车辆的流体动力学减速器,其具有在工作空间内的内部工作循环,所述工作空间具有至少一个旋转叶轮和至少一个固定叶轮,外部冷却循环可以通过填充和/ 排出管线从压力介质致动的填充筒中排出,并且包括旁路或控制阀,以及润滑管线,其将延迟器轴的密封空间与工作空间的中心以及控制器 控制阀的构件和设置在比缓速器更高的水平面的储存箱,并且通过关闭阀另外与填充和排出管线连接。 沿着朝向工作空间的方向开口的第一止回阀布置在润滑管线和工作空间中心之间的连接中,而构成排气阀的第二止回阀被布置在连接管 缓凝器和储存罐的入口。 第二止回阀朝向冷却循环的缓速器入口的方向打开,并且设置有用于控制通过该第二止回阀的流量的节气门。