CN1330944C - 内锥-文丘里管组合式变面积流量计 - Google Patents
内锥-文丘里管组合式变面积流量计 Download PDFInfo
- Publication number
- CN1330944C CN1330944C CNB2005100609928A CN200510060992A CN1330944C CN 1330944 C CN1330944 C CN 1330944C CN B2005100609928 A CNB2005100609928 A CN B2005100609928A CN 200510060992 A CN200510060992 A CN 200510060992A CN 1330944 C CN1330944 C CN 1330944C
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- CN
- China
- Prior art keywords
- venturi tube
- tube
- pressure
- flowmeter
- venturi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Volume Flow (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100609928A CN1330944C (zh) | 2005-10-08 | 2005-10-08 | 内锥-文丘里管组合式变面积流量计 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100609928A CN1330944C (zh) | 2005-10-08 | 2005-10-08 | 内锥-文丘里管组合式变面积流量计 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1746633A CN1746633A (zh) | 2006-03-15 |
CN1330944C true CN1330944C (zh) | 2007-08-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2005100609928A Expired - Fee Related CN1330944C (zh) | 2005-10-08 | 2005-10-08 | 内锥-文丘里管组合式变面积流量计 |
Country Status (1)
Country | Link |
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CN (1) | CN1330944C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11874150B2 (en) | 2020-04-28 | 2024-01-16 | Neptune Technology Group Inc. | Water meter assembly with taper for minimizing head loss |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102393223B (zh) * | 2011-09-01 | 2012-12-05 | 重庆威巴仪器有限责任公司 | 变面积式差压流量结构及变面积式差压流量计 |
CN105626020B (zh) * | 2014-11-07 | 2018-08-14 | 中国石油化工股份有限公司 | 可调式蒸汽流量控制装置 |
CN104792373A (zh) * | 2015-04-18 | 2015-07-22 | 浙江省计量科学研究院 | 一种变面积临界流流量计 |
CN106197575A (zh) * | 2016-08-31 | 2016-12-07 | 江苏微浪电子科技有限公司 | 宽量程线性可变面积环形孔板流量装置 |
CN107504238B (zh) * | 2017-07-31 | 2019-04-02 | 长江大学 | 临界流量可调节的机械壅塞文丘里喷管 |
CN109282864B (zh) * | 2018-08-19 | 2020-03-20 | 中国海洋石油总公司 | 一种井下v锥气体流量测试装置 |
CN109520583A (zh) * | 2018-12-29 | 2019-03-26 | 重庆联大仪表有限公司 | 一种小流量插入式流量计 |
CN110672167A (zh) * | 2019-10-31 | 2020-01-10 | 威海华章自动化技术有限公司 | 一种用于拓宽节流装置流量测量范围的方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0679873A2 (en) * | 1994-04-30 | 1995-11-02 | Horiba, Ltd. | Variable critical flow venturi |
CN1182206A (zh) * | 1996-11-12 | 1998-05-20 | 陈志红 | 活塞式流量计 |
US5880378A (en) * | 1996-08-19 | 1999-03-09 | Southwest Research Institute | Critical flow venturi with variable and continuous range |
CN2408441Y (zh) * | 1999-12-24 | 2000-11-29 | 大连经济技术开发区索尼卡电子有限公司 | 一种用于节流装置的异型文丘里管 |
CN2560923Y (zh) * | 2002-08-19 | 2003-07-16 | 天津市科特控制设备有限公司 | V型锥流量计 |
CN2670916Y (zh) * | 2003-12-18 | 2005-01-12 | 刘慎民 | 内锥式流量计 |
CN2689181Y (zh) * | 2003-08-25 | 2005-03-30 | 刘建华 | 内陀螺式流量测量节流装置 |
-
2005
- 2005-10-08 CN CNB2005100609928A patent/CN1330944C/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0679873A2 (en) * | 1994-04-30 | 1995-11-02 | Horiba, Ltd. | Variable critical flow venturi |
JPH07301345A (ja) * | 1994-04-30 | 1995-11-14 | Horiba Ltd | 可変型臨界流ベンチュリ |
US5880378A (en) * | 1996-08-19 | 1999-03-09 | Southwest Research Institute | Critical flow venturi with variable and continuous range |
CN1182206A (zh) * | 1996-11-12 | 1998-05-20 | 陈志红 | 活塞式流量计 |
CN2408441Y (zh) * | 1999-12-24 | 2000-11-29 | 大连经济技术开发区索尼卡电子有限公司 | 一种用于节流装置的异型文丘里管 |
CN2560923Y (zh) * | 2002-08-19 | 2003-07-16 | 天津市科特控制设备有限公司 | V型锥流量计 |
CN2689181Y (zh) * | 2003-08-25 | 2005-03-30 | 刘建华 | 内陀螺式流量测量节流装置 |
CN2670916Y (zh) * | 2003-12-18 | 2005-01-12 | 刘慎民 | 内锥式流量计 |
Non-Patent Citations (1)
Title |
---|
变面积孔板流量计 邱宣振,医药工程设计,第2期 1997 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11874150B2 (en) | 2020-04-28 | 2024-01-16 | Neptune Technology Group Inc. | Water meter assembly with taper for minimizing head loss |
Also Published As
Publication number | Publication date |
---|---|
CN1746633A (zh) | 2006-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Cangnan Instrument Factory Assignor: China Jiliang University Contract fulfillment period: 2008.9.2 to 2018.9.1 Contract record no.: 2008330000926 Denomination of invention: Internal-bevel and venturi assembled flowmeter with variable area Granted publication date: 20070808 License type: Exclusive license Record date: 2008.10.9 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.2 TO 2018.9.1; CHANGE OF CONTRACT Name of requester: ZHEJIANG PROV CANGNAN INSTRUMENT AND METERS FACTOR Effective date: 20081009 |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070808 Termination date: 20181008 |