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    • 1. 发明申请
    • NEEDLE VALVE INCLUDING NON-ROTATING NEEDLE
    • 针阀包括非旋转针
    • WO2010104657A1
    • 2010-09-16
    • PCT/US2010/024614
    • 2010-02-18
    • NORGREN, INC.DAY, Edward, J.SIMS, DennisABLES, Todd
    • DAY, Edward, J.SIMS, DennisABLES, Todd
    • F16K31/50
    • F16K31/508F16K1/385
    • A needle valve (100) is provided according to the invention. The needle valve (100) includes a valve body (102) including a valve bore (104) and a valve seat (107). The needle valve (100) further includes a non-rotating needle (120) configured to move substantially axially in the valve bore (104) relative to the valve seat (107) and with the non-rotating needle (120) being blocked from rotating. The needle valve (100) further includes a knob (160) rotatably coupled to the valve body (102) and configured to be manually-operated, with rotation of the knob (160) moving the non-rotating needle (120) substantially axially, without the knob (160) moving axially with respect to the valve body (102).
    • 根据本发明提供一种针阀(100)。 针阀(100)包括阀体(102),阀体(102)包括阀孔(104)和阀座(107)。 针阀(100)还包括非旋转针(120),其构造成相对于阀座(107)大致轴向地在阀孔(104)中移动,并且非旋转针(120)被阻止旋转 。 针阀(100)还包括可旋转地联接到阀体(102)并且构造成手动操作的旋钮(160),其中旋钮(160)基本轴向移动非旋转针(120)的旋转, 没有旋钮(160)相对于阀体(102)轴向移动。