CN102345751A - 水表用倒流防止器 - Google Patents
水表用倒流防止器 Download PDFInfo
- Publication number
- CN102345751A CN102345751A CN2010102403297A CN201010240329A CN102345751A CN 102345751 A CN102345751 A CN 102345751A CN 2010102403297 A CN2010102403297 A CN 2010102403297A CN 201010240329 A CN201010240329 A CN 201010240329A CN 102345751 A CN102345751 A CN 102345751A
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- Prior art keywords
- valve
- valve plate
- water meter
- joint
- spring
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- 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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- Measuring Volume Flow (AREA)
- Check Valves (AREA)
Abstract
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Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010102403297A CN102345751A (zh) | 2010-07-29 | 2010-07-29 | 水表用倒流防止器 |
Applications Claiming Priority (1)
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CN2010102403297A CN102345751A (zh) | 2010-07-29 | 2010-07-29 | 水表用倒流防止器 |
Publications (1)
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CN102345751A true CN102345751A (zh) | 2012-02-08 |
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CN2010102403297A Pending CN102345751A (zh) | 2010-07-29 | 2010-07-29 | 水表用倒流防止器 |
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CN (1) | CN102345751A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105546167A (zh) * | 2015-12-24 | 2016-05-04 | 中国电子科技集团公司第十八研究所 | 一种新型结构的组合阀 |
CN105927767A (zh) * | 2016-07-28 | 2016-09-07 | 广东永泉阀门科技有限公司 | 一种新型低阻力倒流防止器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6349736B1 (en) * | 2000-04-27 | 2002-02-26 | Cmb Industries, Inc. | Backflow preventer apparatus and method with integration of shut-off valves |
CN101749460A (zh) * | 2008-12-10 | 2010-06-23 | 刘永 | 双膜片微阻超短倒流防止器 |
CN101749461A (zh) * | 2008-12-15 | 2010-06-23 | 刘永 | 无须外配导管的丝扣型倒流防止器 |
CN201858397U (zh) * | 2010-07-29 | 2011-06-08 | 刘永 | 水表用倒流防止器 |
-
2010
- 2010-07-29 CN CN2010102403297A patent/CN102345751A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6349736B1 (en) * | 2000-04-27 | 2002-02-26 | Cmb Industries, Inc. | Backflow preventer apparatus and method with integration of shut-off valves |
CN101749460A (zh) * | 2008-12-10 | 2010-06-23 | 刘永 | 双膜片微阻超短倒流防止器 |
CN101749461A (zh) * | 2008-12-15 | 2010-06-23 | 刘永 | 无须外配导管的丝扣型倒流防止器 |
CN201858397U (zh) * | 2010-07-29 | 2011-06-08 | 刘永 | 水表用倒流防止器 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105546167A (zh) * | 2015-12-24 | 2016-05-04 | 中国电子科技集团公司第十八研究所 | 一种新型结构的组合阀 |
CN105546167B (zh) * | 2015-12-24 | 2018-01-16 | 中国电子科技集团公司第十八研究所 | 一种组合阀的结构 |
CN105927767A (zh) * | 2016-07-28 | 2016-09-07 | 广东永泉阀门科技有限公司 | 一种新型低阻力倒流防止器 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: TIANJIN GUOWEI WATER SUPPLY AND DRAINAGE EQUIPMENT Free format text: FORMER OWNER: LIU YONG Effective date: 20120927 Free format text: FORMER OWNER: LIU QING Effective date: 20120927 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20120927 Address after: 300300 Tianjin District of Dongli City Yuejin Road No. 13 Applicant after: Tianjin Guowei Feeding & Drainage Equipment Ment Manufacturing Co., Ltd. Address before: 300300, Dongli District, Tai'an, Tianjin, 7, 2, 105 Applicant before: Liu Yong Applicant before: Liu Qing |
|
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120208 |