CN2849376Y - 低水损倒流防止器 - Google Patents
低水损倒流防止器 Download PDFInfo
- Publication number
- CN2849376Y CN2849376Y CN 200520098910 CN200520098910U CN2849376Y CN 2849376 Y CN2849376 Y CN 2849376Y CN 200520098910 CN200520098910 CN 200520098910 CN 200520098910 U CN200520098910 U CN 200520098910U CN 2849376 Y CN2849376 Y CN 2849376Y
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- water
- main valve
- damage
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 230000002265 prevention Effects 0.000 title abstract 3
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Check Valves (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520098910 CN2849376Y (zh) | 2005-11-24 | 2005-11-24 | 低水损倒流防止器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520098910 CN2849376Y (zh) | 2005-11-24 | 2005-11-24 | 低水损倒流防止器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2849376Y true CN2849376Y (zh) | 2006-12-20 |
Family
ID=37521859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520098910 Expired - Lifetime CN2849376Y (zh) | 2005-11-24 | 2005-11-24 | 低水损倒流防止器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2849376Y (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101324281B (zh) * | 2008-07-24 | 2010-06-16 | 李习洪 | 新型倒流防止器 |
CN101839358A (zh) * | 2010-04-29 | 2010-09-22 | 何际跃 | 一种重力式倒流防止器 |
CN103032579A (zh) * | 2012-12-20 | 2013-04-10 | 武汉大禹阀门股份有限公司 | 排气阀有压进排气量放大装置 |
CN103032578A (zh) * | 2012-12-20 | 2013-04-10 | 武汉大禹阀门股份有限公司 | 排气阀有压进排气量放大结构 |
CN103411004A (zh) * | 2013-06-09 | 2013-11-27 | 杭州春江阀门有限公司 | 文丘里管型低阻力倒流防止器 |
-
2005
- 2005-11-24 CN CN 200520098910 patent/CN2849376Y/zh not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101324281B (zh) * | 2008-07-24 | 2010-06-16 | 李习洪 | 新型倒流防止器 |
CN101839358A (zh) * | 2010-04-29 | 2010-09-22 | 何际跃 | 一种重力式倒流防止器 |
CN101839358B (zh) * | 2010-04-29 | 2011-09-14 | 何际跃 | 一种重力式倒流防止器 |
CN103032579A (zh) * | 2012-12-20 | 2013-04-10 | 武汉大禹阀门股份有限公司 | 排气阀有压进排气量放大装置 |
CN103032578A (zh) * | 2012-12-20 | 2013-04-10 | 武汉大禹阀门股份有限公司 | 排气阀有压进排气量放大结构 |
CN103032578B (zh) * | 2012-12-20 | 2014-10-22 | 武汉大禹阀门股份有限公司 | 排气阀有压进排气量放大结构 |
CN103411004A (zh) * | 2013-06-09 | 2013-11-27 | 杭州春江阀门有限公司 | 文丘里管型低阻力倒流防止器 |
CN103411004B (zh) * | 2013-06-09 | 2015-11-18 | 杭州春江阀门有限公司 | 文丘里管型低阻力倒流防止器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: WUHAN DAYU VALVE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: LI XIHONG Effective date: 20110701 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN DAYU VALVE MANUFACTURE CO., LTD., ZHUANYANG SCIENCE AND TECHNOLOGY INDUSTRIAL PARK, WUHAN ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, ZHUANKOU, WUHAN CITY, HUBEI PROVINCE TO: 430056 ZHUANYANG SCIENCE AND TECHNOLOGY INDUSTRIAL PARK, WUHAN ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, ZHUANKOU, WUHAN CITY, HUBEI PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110701 Address after: 430056 Hubei city of Wuhan province Zhuankou Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Patentee after: Wuhan Dayu Valve Manufacturing Co., Ltd. Address before: 430056 Hubei city of Wuhan province Zhuankou Wuhan economic and Technological Development Zone Science and Technology Industrial Park Wuhan Dun Yang Yu Valve Manufacturing Co. Ltd Patentee before: Li Xihong |
|
C56 | Change in the name or address of the patentee |
Owner name: WUHAN DAYU VALVE CO., LTD. Free format text: FORMER NAME: WUHAN DAYU VALVE MANUFACTURING CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 430056 Hubei city of Wuhan province Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Patentee after: Wuhan Dayu Valve Co., Ltd. Address before: 430056 Hubei city of Wuhan province Zhuankou Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Patentee before: Wuhan Dayu Valve Manufacturing Co., Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Dayu Valve Manufacturing Co., Ltd. Assignor: Li Xihong Contract record no.: 2010420000062 Denomination of utility model: Low water loss counter-flow prevention device Granted publication date: 20061220 License type: Exclusive License Record date: 20100528 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term |
Granted publication date: 20061220 |
|
EXPY | Termination of patent right or utility model |