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2. 发明授权

US5193581A Selector valve 失效
标题翻译：选择阀
公开(公告)号：US5193581A
公开(公告)日：1993-03-16
申请号：US853072
申请日：1992-03-17
申请人： Yoshimi Shiroto , Nobuhiro Onda , Yoshiharu Kataoka , Hirotoshi Koga , Akihiro Fujimori
发明人： Yoshimi Shiroto , Nobuhiro Onda , Yoshiharu Kataoka , Hirotoshi Koga , Akihiro Fujimori
IPC分类号： F16K11/074
CPC分类号： F16K11/0743 , Y10T137/5762 , Y10T137/86501 , Y10T137/86863
摘要： A selector valve used for distributing and combining process flow. This valve comprises an open-ended cylindrical casing, a valve seat secured to the casing, an inlet hole extending coaxially with the casing through the valve seat, a plurality of outlet holes extending through the valve seat and arranged in a circle concentrical with the casing, a valve body fitted in the casing and rotatable about its axis, a U-shaped passage formed in the valve body such that its one end opens at a position coinciding with the inlet hole and its other end opens at a position meeting the circle, a spring provided within the casing for urging the valve body toward the valve seat so that the valve body is maintained in pressure contact with the valve seat, a driving mechanism for rotating the valve body through a desired angle so that the inlet hole can be in fluid communication with selected one of the outlet holes through the U-shaped passage, an annular groove formed on the surface of the valve body to define an annular, close space between the valve seat and the valve body at a position inside of the circle and a discharge hole extending through the valve seat at such a position as to be in fluid communication with the space.
摘要翻译：用于分配和组合工艺流程的选择阀。该阀包括开口的圆柱形壳体，固定到壳体的阀座，通过阀座与壳体同轴延伸的入口孔，多个出口孔，其延伸穿过阀座并且布置成与壳体同心的圆形安装在壳体中并能够绕其轴线旋转的阀体，形成在阀体中的U形通路，使得其一端在与入口孔重合的位置处打开，并且其另一端在与圆形相遇的位置处打开，设置在壳体内的弹簧，用于向阀座推动阀体，使得阀体与阀座保持压力接触;驱动机构，用于使阀体旋转所需的角度，使得入口孔可以在通过U形通道与所选择的一个出口孔流体连通，形成在阀体表面上的环形槽，以在阀座和阀之间限定一个环形紧密的空间在所述圆周内的位置处形成一个位置，并且在与所述空间流体连通的位置处延伸穿过所述阀座的排出孔。

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