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    • 93. 发明授权
    • Water gate control system
    • 水闸控制系统
    • US4073147A
    • 1978-02-14
    • US721298
    • 1976-09-08
    • Takeshi Nomura
    • Takeshi Nomura
    • E02B7/44E02B7/46
    • E02B7/44
    • The present invention discloses a water gate control system which selects either the automatic mode or forced mode, in the automatic mode the gate being automatically swung depending upon the level of a stream or water-way between the upright or closing position and the flat or opening position by a single- or double-acting hydraulic cylinder in which a directly or indirectly spring loaded piston is displaced depending upon the hydraulic pressure acting on the gate, and in the forced mode, the working oil under pressure being introduced into the hydraulic cylinder for swinging the gate to and holding it in a desired angular position independently of the level.
    • 本发明公开了一种水闸控制系统,其选择自动模式或强制模式,在自动模式下,门将根据流的水平或直立或关闭位置与平面或开口之间的水路自动摆动 通过单作用或双作用液压缸的位置,其中直接或间接弹簧加载的活塞根据作用在闸门上的液压而移位,并且在强制模式中,被加压的工作油被引入到液压缸中 将门摆动并将其保持在独立于水平面的所需角度位置。