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    • 7. 发明专利
    • Directional control valve
    • 方向控制阀
    • JP2009150556A
    • 2009-07-09
    • JP2009052471
    • 2009-03-05
    • Amada Co Ltd株式会社アマダ
    • SHIMIZU MASAYUKIHARA HIDEONAITO KINSHIRO
    • F16K11/076F15B13/04F15B13/044F16K11/085
    • F16K11/076F15B13/0406F15B13/0444F16K11/0856
    • PROBLEM TO BE SOLVED: To provide a directional control valve capable of gradually carrying out opening and closing operations in opening and closing a discharge port.
      SOLUTION: In a sleeve 5 has discharge ports 37A and 37B connected to a hydraulic cylinder 11, a spool 41 having a hollow chamber 45 having a discharge-side outlet 57 connectable to T ports 39 arranged in the sleeve 5, and a discharge-side inlet 55 connectable to the discharge ports 37A and 37B rotatably arranged, and shapes of the discharge ports 37A and 37B are nearly oval to gradually carry out opening/closing operations when the discharge ports 37A and 37B rotating the spool are opened and closed.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够逐渐进行打开和关闭排出口的打开和关闭操作的方向控制阀。 解决方案:在套筒5中具有连接到液压缸11的排放口37A和37B,具有中空室45的阀芯41具有连接到布置在套筒5中的T形口39的排放侧出口57,以及 排出侧入口55可连接到可旋转地布置的排放口37A和37B,并且排出口37A和37B的形状几乎为椭圆形,以便当使卷轴旋转的排出口37A和37B打开和关闭时逐渐执行打开/关闭操作 。 版权所有(C)2009,JPO&INPIT