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    • 46. 发明授权
    • Hydraulic elevator system
    • 液压电梯系统
    • US08640829B2
    • 2014-02-04
    • US12458586
    • 2009-07-16
    • William P. Block, Jr.William P. Block, Sr.John M. Phillips, II
    • William P. Block, Jr.William P. Block, Sr.John M. Phillips, II
    • B66B9/04F15B15/14B66B19/04B23P11/00
    • B66B9/04
    • The hydraulic elevator system has several configurations, each incorporating the hydraulic motor and pump at the lower end of the hydraulic ram and cylinder assembly. A first embodiment utilizes a wet pump and motor assembly at the lower end of the cylinder, with the volume between the cylinder and casing providing a hydraulic reservoir. A second embodiment provides a dry pump and motor installed at the lower end of the cylinder below the surrounding casing and hydraulic reservoir. A third embodiment attaches the pump and motor to the lower end of the hydraulic ram, with the pump and motor traveling up and down with the ram during operation. Further systems facilitating the installation and removal of the hydraulic cylinder and attached components for maintenance are also provided.
    • 液压升降机系统具有多种结构,每个都配有液压马达和泵,位于液压油缸和油缸组件的下端。 第一实施例在气缸的下端处使用湿泵和马达组件,缸体和壳体之间的容积提供液压储存器。 第二实施例提供了一种干式泵和马达,该干式泵和马达安装在圆筒下端的周围的壳体和液压储存器下方。 第三实施例将泵和马达附接到液压马达的下端,泵和马达在运行期间与冲头一起上下移动。 还提供了便于安装和拆卸液压缸和附接部件进行维护的其他系统。