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1. 发明授权

US5916138A Hydrostatic transmission 失效
标题翻译：静液压传动
公开(公告)号：US5916138A
公开(公告)日：1999-06-29
申请号：US963699
申请日：1997-11-04
申请人： Berthold Hild , Helmut Stotzel
发明人： Berthold Hild , Helmut Stotzel
IPC分类号： F15B11/08 , F15B7/10 , F15B21/14 , F16H61/444 , F16H61/46 , F16H61/478 , F16H39/02
CPC分类号： F16H61/478 , F15B21/14 , F16H61/46 , F15B2211/88
摘要： A hydrostatic transmission with a closed hydraulic circuit includes a consumer which is connected through work lines to a reversible hydraulic pump and is pressurized on both sides by an external pressure source. The hydraulic circuit includes a first continuous rinsing and feeding circuit which depends on the leakage flow of the hydraulic pump and possibly a second discontinuous rinsing circuit separate from the first circuit and connected to the external pressure source. The hydrostatic transmission further includes an adjustable regulating device which determines through a valve the adjustment of the hydraulic pump. The regulating device, which may be arranged outside of the immediate vicinity of the hydrostatic transmission, interacts with a control device which is directly assigned to the hydrostatic transmission and includes a valve constructed as a servo valve, wherein, for adjusting the arrangement, the servo valve can be switched to manual control. A manually operable lock valve is provided between the servo valve and the hydraulic pump adjustment. The throttles used for pressurization are adjustable as well as lockable and the work lines are equipped with pick-ups for the actual pressure value.
摘要翻译：具有闭合液压回路的静液压变速器包括通过工作管线连接到可逆液压泵的消耗器，并且通过外部压力源在两侧加压。液压回路包括第一连续的冲洗和进料回路，其依赖于液压泵的泄漏流，以及可能的与第一回路分离并连接到外部压力源的第二不连续冲洗回路。静液压变速器还包括可调节的调节装置，其通过阀确定液压泵的调节。可以设置在静液压传动装置附近的调节装置与直接分配给静液压传动装置的控制装置相互作用，并且包括构造为伺服阀的阀，其中，为了调整装置，伺服阀门可切换到手动控制。在伺服阀和液压泵调节器之间设置有手动操作的锁定阀。用于加压的节流阀是可调节的，并且可锁定，并且工作线路配备有实际压力值的拾取器。

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