发明授权
- 专利标题： Apparatus for interchanging orifice plates for orifice flowmeter
- 专利标题（中）： 孔板流量计孔板换向装置
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申请号： US39334申请日： 1987-04-17
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公开(公告)号： US4750524A公开(公告)日： 1988-06-14
- 发明人: Kotohiko Sekoguchi , Yoshiteru Sonoda
- 申请人： Kotohiko Sekoguchi , Yoshiteru Sonoda
- 申请人地址： JPX Osaka
- 专利权人： Fujikin International, Inc.
- 当前专利权人： Fujikin International, Inc.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX61-90628 19860418
- 主分类号： G01F1/42
- IPC分类号： G01F1/42 ; F15D1/02
摘要：
A closed orifice plate stowage disposed outside an orifice plate mount portion at an intermediate portion of a pipe channel has a communication opening on one side of the mount portion for passing an orifice plate therethrough and is in communication with the mount portion through the opening. A movable body housed in the plate stowage and movable in a direction parallel with the pipe channel has a plurality of orifice bins arranged in parallel with the pipe channel at a spacing. A device is provided for moving orifice plates one by one between the mount portion and the plate bins of the movable body through the opening.
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