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1. 发明授权

US4952100A Pipe switch for plants for pneumatically conveying bulk material 失效
标题翻译：用于气动输送散装材料的设备的管道开关
公开(公告)号：US4952100A
公开(公告)日：1990-08-28
申请号：US352981
申请日：1989-05-17
申请人： Dieter Heep , Paul Vogel , Joachim Stengel
发明人： Dieter Heep , Paul Vogel , Joachim Stengel
IPC分类号： B65G53/56
CPC分类号： B65G53/56 , Y10T137/87804 , Y10T137/8782
摘要： A pipe switch for plants for pneumatically conveying of bulk material includes a housing with three ports and having a rotatable cock for selectively connecting one port with the second or third port. The cock is provided with two pipe sections which define two flow paths and are connected at their ends via suitable ring segments. One of the ring segments is of sufficient dimension to sealingly bar the one port which is not in communication with the first port when the cock is in the respective end position. A journal connects the pipe sections at a central location thereof and is rotatably supported in side cover plates of the housing for allowing a rotation of the cock between the two end positions.
摘要翻译：一种用于气动输送散装材料的设备的管道开关包括具有三个端口的壳体，并且具有用于选择性地将一个端口与第二或第三端口连接的旋转旋塞。旋塞设有两个管段，其限定两个流动路径，并通过合适的环段在其端部连接。其中一个环段具有足够的尺寸，以便当公鸡处于相应的最终位置时密封地将一个端口与第一端口连通。轴颈在其中心位置处连接管道部分，并且可旋转地支撑在壳体的侧盖板中，以允许旋塞在两个端部位置之间旋转。

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