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    • 10. 发明申请
    • CHOKE PLATE CONFIGURATION
    • CHOKE PLATE配置
    • WO2008103938A2
    • 2008-08-28
    • PCT/US2008/054772
    • 2008-02-22
    • M-I LLCBURKHARD, Alan, Wayne
    • BURKHARD, Alan, Wayne
    • F16K3/02F16K3/32F16K47/02
    • F16K47/045Y10T137/87523
    • An orifice for use in a flow control valve, the orifice may include a fixed choke plate having at least one aperture therethrough for conducting fluids and a rotating choke plate having at least one aperture therethrough for conducting fluids. The rotating choke plate may be concentric with and disposed face-to-face with the fixed choke plate. Each of the apertures in the fixed choke plate and rotating choke plate include a rounded head section and a crescent tail section. Rotation of the rotating choke plate relative to the fixed choke plate varies an alignment of the fixed choke plate aperture and the rotating choke plate aperture.
    • 用于流量控制阀的孔口,孔口可以包括具有至少一个穿过其中的用于传导流体的孔口的固定阻塞板和具有至少一个穿过其中以传导流体的孔口的旋转阻塞板。 旋转阻风板可以与固定阻风板同心并且面对面地设置。 固定阻风板和旋转阻风板中的每个孔包括圆头部分和月牙尾部分。 旋转阻风板相对于固定阻风板的旋转改变了固定阻风板板孔和旋转阻风板孔的对准。