JP4839336B2 - 差圧流量計用三岐弁 - Google Patents
差圧流量計用三岐弁 Download PDFInfo
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- JP4839336B2 JP4839336B2 JP2008110940A JP2008110940A JP4839336B2 JP 4839336 B2 JP4839336 B2 JP 4839336B2 JP 2008110940 A JP2008110940 A JP 2008110940A JP 2008110940 A JP2008110940 A JP 2008110940A JP 4839336 B2 JP4839336 B2 JP 4839336B2
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- valve
- portions
- differential pressure
- hole
- housing
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12 軸部
13 弁部
14 ハウジング
17 貫通孔
18 切込部
19 配管通孔
20 発信器通孔
21 スリーブ
24 配管側導圧管
25 発信器側導圧管
30 操作レバー
Claims (3)
- 間隔を置いて配置した球形の第1、第2の弁部を備えた軸部から成る弁体と、該弁体を覆い円筒形の内部空間を有するハウジングとを備え、前記ハウジングには前記第1、第2の弁部に対し2個ずつの通孔を形成し、前記第1、第2の弁部にはそれぞれ前記ハウジングの通孔と連通する貫通孔を設けると共に、前記第1の弁部には前記通孔と連通すると共に前記ハウジングの内部に連通する第1、第2、第3の切込部を設け、前記第2の弁部には前記通孔と連通すると共に前記ハウジングの内部に連通する第4、第5の切込部を設け、前記弁体は前記ハウジングに対し前記軸部を中心に第1〜第3の回動操作位置への回動を可能とし、前記弁体の前記第1の回動操作位置において、前記第1、第2の弁部に対するそれぞれ2個の前記通孔は前記弁部のそれぞれの前記貫通孔の出入口部に一致し、前記弁体の前記第2の回動操作位置において、前記第1の弁部の第1、第2の切込部が前記第1の弁部に対するそれぞれ2個の前記通孔と一致し、前記第2の弁部の第4の切込部が前記第2の弁部に対する前記2個の通孔のうちの一方に一致すると共に、前記第1、第2、第4の切込部は前記ハウジングの内部において相互に連通し、前記弁体の前記第3の回動操作位置において、前記第1の弁部の前記第3の切込部が前記第1の弁部に対する2個の通孔の内の一方に一致し、前記第2の弁部の前記第5の切込部が前記第2の弁部に対する前記2個の前記通孔の内の前記第3の切込部が連通する側の前記通孔に一致すると共に、前記第3、第5の切込部は前記ハウジングの内部において相互に連通し、前記弁体に回動操作のための操作部材を設け、前記第1、第2、第3の回動操作位置において前記軸部を係止する機構を設けたことを特徴とする差圧流量計用三岐弁。
- 前記内部空間に臨む各通孔の入口部に、前記第1、第2の弁部の表面に対するシール部材を配置したことを特徴とする請求項1に記載の差圧流量計用三岐弁。
- 前記弁体の第1の回動操作位置は差圧発信器の2つの受圧部に流量測定用圧力をそれぞれ導圧するためであり、前記第2の回動操作位置は前記差圧発信器の2つの受圧部に配管からの同一圧力を導圧するためであり、前記第3の回動操作位置は前記差圧発信器の2つの受圧部に均圧状態の圧力を導圧するためであることを特徴とする請求項1又は2に記載の差圧流量計用三岐弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008110940A JP4839336B2 (ja) | 2008-04-22 | 2008-04-22 | 差圧流量計用三岐弁 |
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JP2008110940A JP4839336B2 (ja) | 2008-04-22 | 2008-04-22 | 差圧流量計用三岐弁 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009264758A JP2009264758A (ja) | 2009-11-12 |
JP2009264758A5 JP2009264758A5 (ja) | 2010-03-18 |
JP4839336B2 true JP4839336B2 (ja) | 2011-12-21 |
Family
ID=41390807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008110940A Active JP4839336B2 (ja) | 2008-04-22 | 2008-04-22 | 差圧流量計用三岐弁 |
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JP (1) | JP4839336B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2510119B (en) * | 2013-01-23 | 2015-03-04 | Horne Engineering Ltd | Valve arrangement, apparatus and methods of operation thereof |
CN113866450A (zh) * | 2021-09-27 | 2021-12-31 | 北京华清茵蓝科技有限公司 | 一种便携式防堵气固两相流流速自动测量方法及装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3450157A (en) * | 1967-07-31 | 1969-06-17 | John E Hewson | Valve manifold |
US3894559A (en) * | 1974-03-28 | 1975-07-15 | Leland Q Depuy | Manifold valve |
US4602657A (en) * | 1985-02-11 | 1986-07-29 | Anderson-Greenwood & Co. | Valve manifold for a differential pressure transmitter |
US4977917A (en) * | 1986-06-06 | 1990-12-18 | Adams Don L | Modular differential pressure transmitter/manifold for a fluid conveying pipeline |
US5482081A (en) * | 1995-04-14 | 1996-01-09 | D/A Manufacturing Co. Inc. | Single handle manifold |
US6035724A (en) * | 1998-02-02 | 2000-03-14 | Hewson; John E. | Differential pressure instrument support manifold having rotary mode selection system |
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2008
- 2008-04-22 JP JP2008110940A patent/JP4839336B2/ja active Active
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JP2009264758A (ja) | 2009-11-12 |
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