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1. 发明授权

US06631738B2 Flow control valve 有权
标题翻译：流量控制阀
公开(公告)号：US06631738B2
公开(公告)日：2003-10-14
申请号：US09739414
申请日：2000-12-18
申请人： Mingxiang Jiang
发明人： Mingxiang Jiang
IPC分类号： F15D100
CPC分类号： F16K47/10
摘要： A valve or ball reversal orifice provides provide a first flow restriction to a material flowing through the ball reversal orifice and a second flow restriction when the material reverses flow direction. The valve includes a housing having at least first and second walls that define a cavity therein. The cavity is configured such that a cross-sectional area of the cavity taken perpendicular to a longitudinal axis of the cavity decreases from the second wall to the first wall. A first port is provided in the first wall for allowing material to enter or exit a cavity, and a second port is provided in the second wall for allowing material to enter or exit the cavity. A flow restrictor, such as a ball, disposed in the cavity and is movable between a relatively large portion of said cavity and a relatively small portion of said cavity to provide different flow restriction depending on the direction of material flow through the cavity.
摘要翻译：阀或球反转孔为流过球反转孔的材料提供第一流量限制，并且当材料反转流动方向时提供第二流动限制。阀包括具有至少在其中限定空腔的第一和第二壁的壳体。空腔被构造成使得垂直于空腔的纵向轴线的空腔的横截面面积从第二壁减小到第一壁。第一端口设置在第一壁中以允许材料进入或离开空腔，并且第二端口设置在第二壁中，用于允许材料进入或离开空腔。限流器，例如球，设置在空腔中并且可在所述空腔的较大部分和所述空腔的相对小部分之间移动，以根据材料流过空腔的方向提供不同的流动限制。 PTEXT>

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