CN110985748B - 止回阀及止回阀阀位确定方法 - Google Patents
止回阀及止回阀阀位确定方法 Download PDFInfo
- Publication number
- CN110985748B CN110985748B CN201911274802.0A CN201911274802A CN110985748B CN 110985748 B CN110985748 B CN 110985748B CN 201911274802 A CN201911274802 A CN 201911274802A CN 110985748 B CN110985748 B CN 110985748B
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- China
- Prior art keywords
- check valve
- delta
- pressure
- valve body
- pressure difference
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911274802.0A CN110985748B (zh) | 2019-12-12 | 2019-12-12 | 止回阀及止回阀阀位确定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911274802.0A CN110985748B (zh) | 2019-12-12 | 2019-12-12 | 止回阀及止回阀阀位确定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110985748A CN110985748A (zh) | 2020-04-10 |
CN110985748B true CN110985748B (zh) | 2022-08-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201911274802.0A Active CN110985748B (zh) | 2019-12-12 | 2019-12-12 | 止回阀及止回阀阀位确定方法 |
Country Status (1)
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CN (1) | CN110985748B (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101220878A (zh) * | 2007-12-14 | 2008-07-16 | 曾祥炜 | 梭式微阻止回阀 |
CN101245859A (zh) * | 2008-03-04 | 2008-08-20 | 浙江沃尔达铜业有限公司 | 直立式平衡阀 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833916A (en) * | 1987-10-30 | 1989-05-30 | Westinghouse Electric Corp. | Monitor for testing the operating condition of a nonreturn valve |
JP3378105B2 (ja) * | 1994-12-20 | 2003-02-17 | 株式会社ブリヂストン | 逆止弁故障探知システム |
CN201258989Y (zh) * | 2008-09-17 | 2009-06-17 | 马戌寰 | 电动倒流防止器 |
FR2967719B1 (fr) * | 2010-11-18 | 2012-11-16 | Snecma | Vanne de commande d'un jeu en sommet d'aube de turbine |
RU122139U1 (ru) * | 2012-07-03 | 2012-11-20 | Государственное унитарное предприятие "Институт проблем транспорта энергоресурсов" | Обратный клапан |
CN103697213B (zh) * | 2013-12-23 | 2015-03-11 | 新乡市平原工业滤器有限公司 | 电控压力调节阀组件 |
CN205841904U (zh) * | 2016-06-24 | 2016-12-28 | 杭州哲达科技股份有限公司 | 流量测控平衡阀 |
IT201600079436A1 (it) * | 2016-07-28 | 2018-01-28 | Watts Ind Italia Srl | Valvola di bilanciamento per la regolazione della distribuzione di fluidi in condotti multipli |
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2019
- 2019-12-12 CN CN201911274802.0A patent/CN110985748B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101220878A (zh) * | 2007-12-14 | 2008-07-16 | 曾祥炜 | 梭式微阻止回阀 |
CN101245859A (zh) * | 2008-03-04 | 2008-08-20 | 浙江沃尔达铜业有限公司 | 直立式平衡阀 |
Also Published As
Publication number | Publication date |
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CN110985748A (zh) | 2020-04-10 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210120 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: STATE NUCLEAR POWER ENGINEERING Co. |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |