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    • 3. 发明公开
    • Slide valve
    • 滑阀
    • EP0685670A2
    • 1995-12-06
    • EP95303733.0
    • 1995-05-31
    • IMI NORGREN LIMITED
    • Harrold, Martyn John
    • F16K11/074F16K11/065
    • F16K11/0655F16K11/074Y10T137/86638Y10T137/86855
    • A slide valve, especially for use in a compressed air supply installation, comprises a body (1) defining an inlet passageway (3) and an outlet passageway (4) and a vane (9) having an orifice therethrough and movable laterally relative to the passageways (3,4) between a valve-open position in which the orifice is in register with the passageways (3,4) thereby permitting fluid to flow through the valve, and a valve-closed position in which the orifice is wholly out of register with the passageways (3,4) thereby isolating the inlet passageway (3) from the outlet passageway (4). The vane (9) defines, at least in part, an exhaust passageway (15) that, in the valve-closed position, connects the outlet passageway (4) to atmosphere via a further exhaust passageway (16,17) formed in the body (1) whereby, in the valve-closed position, the downstream side of the installation will automatically become depressurised (Fig 2).
    • 一种特别用于压缩空气供应装置的滑阀包括限定进口通道(3)和出口通道(4)的主体(1)和具有穿过其中的孔并且可相对于 通道(3,4)在其中孔与通道(3,4)对齐从而允许流体流过阀的阀打开位置和其中孔完全脱离的阀关闭位置之间 与通道(3,4)对准,从而将入口通道(3)与出口通道(4)隔离。 叶片(9)至少部分地限定排气通道(15),该排气通道在阀关闭位置中通过形成在本体中的另一排气通道(16,17)将排气通道(4)连接到大气 (1),在阀关闭位置,设备的下游侧将自动减压(图2)。