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    • 3. 发明专利
    • Variable flow screen nozzle
    • 可变流量屏幕喷嘴
    • JP2012092964A
    • 2012-05-17
    • JP2011172696
    • 2011-08-08
    • Johnson Screens Incジョンソン スクリーンズ,インク.
    • EKHOLM MICHAELMAXSON RICHARD C
    • F16K15/04B01D35/027F16K1/14F16K47/04G05D7/00
    • F16K17/0406B01D24/12B01D24/4626B01D24/4636Y10T137/7839Y10T137/7849Y10T137/7866
    • PROBLEM TO BE SOLVED: To provide a screen nozzle that can change flow property.SOLUTION: A variable flow control nozzle 50 has a head 52, a tube 54, and a valve 56. The head is disposed adjacent an opening 22 and has a screen 60 for passage of fluid flow into and out of the head's interior. The tube extends from the head through the opening and secures the head thereto. A tube passage communicates the interior of the head with the other side of the opening. The valve disposed in the passage has a first condition permitting first fluid flow from the passage to the interior of the head and has a second condition permitting second fluid flow from the interior to the passage. The second fluid flow may be greater than the first fluid flow. The tube can have first and second tube members 70, 80 with different internal diameters, and the valve can use a ball 90 movable between positions in the tube members.
    • 要解决的问题:提供可以改变流动性的丝网喷嘴。 解决方案:可变流量控制喷嘴50具有头部52,管子54和阀56.头部邻近开口22设置并具有用于使流体流入和流出头部内部的屏幕60 。 管从头部穿过开口延伸并将头固定到其上。 管道将头部的内部与开口的另一侧连通。 设置在通道中的阀具有允许第一流体从通道流到头部内部的第一状态,并具有允许第二流体从内部流到通道的第二状态。 第二流体流可以大于第一流体流动。 管可以具有不同内径的第一和第二管构件70,80,并且阀可以使用可在管构件中的位置之间移动的球90。 版权所有(C)2012,JPO&INPIT