CN102494163B - 防滴漏止回阀 - Google Patents
防滴漏止回阀 Download PDFInfo
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- CN102494163B CN102494163B CN 201110381195 CN201110381195A CN102494163B CN 102494163 B CN102494163 B CN 102494163B CN 201110381195 CN201110381195 CN 201110381195 CN 201110381195 A CN201110381195 A CN 201110381195A CN 102494163 B CN102494163 B CN 102494163B
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- valve
- elastic ring
- ring diaphragm
- valve seat
- spool
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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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Priority Applications (1)
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CN 201110381195 CN102494163B (zh) | 2011-11-26 | 2011-11-26 | 防滴漏止回阀 |
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CN 201110381195 CN102494163B (zh) | 2011-11-26 | 2011-11-26 | 防滴漏止回阀 |
Publications (2)
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CN102494163A CN102494163A (zh) | 2012-06-13 |
CN102494163B true CN102494163B (zh) | 2013-06-26 |
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CN 201110381195 Active CN102494163B (zh) | 2011-11-26 | 2011-11-26 | 防滴漏止回阀 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4679765A (en) * | 1986-04-14 | 1987-07-14 | Deere & Company | Low leakage orifice-controlled poppet valve |
CN86208085U (zh) * | 1986-10-16 | 1987-09-09 | 喻丁根 | 双膜气动截断阀门 |
CN2685682Y (zh) * | 2004-03-30 | 2005-03-16 | 上海艾维科阀门有限公司 | 一种防污隔断阀 |
CN201129514Y (zh) * | 2007-11-28 | 2008-10-08 | 农业部南京农业机械化研究所 | 稳压止滴阀 |
CN202327262U (zh) * | 2011-11-26 | 2012-07-11 | 重庆市智能水表有限责任公司 | 一种防滴漏止回阀 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101699110B (zh) * | 2009-11-23 | 2011-07-20 | 欧健 | 压差积分式微流计量补偿阀 |
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2011
- 2011-11-26 CN CN 201110381195 patent/CN102494163B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4679765A (en) * | 1986-04-14 | 1987-07-14 | Deere & Company | Low leakage orifice-controlled poppet valve |
CN86208085U (zh) * | 1986-10-16 | 1987-09-09 | 喻丁根 | 双膜气动截断阀门 |
CN2685682Y (zh) * | 2004-03-30 | 2005-03-16 | 上海艾维科阀门有限公司 | 一种防污隔断阀 |
CN201129514Y (zh) * | 2007-11-28 | 2008-10-08 | 农业部南京农业机械化研究所 | 稳压止滴阀 |
CN202327262U (zh) * | 2011-11-26 | 2012-07-11 | 重庆市智能水表有限责任公司 | 一种防滴漏止回阀 |
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Publication number | Publication date |
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CN102494163A (zh) | 2012-06-13 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
CP01 | Change in the name or title of a patent holder |
Address after: 2 No. 400052 Chongqing Jiulongpo District of Hualong Avenue Patentee after: Chongqing smart water Co., Ltd. Address before: 2 No. 400052 Chongqing Jiulongpo District of Hualong Avenue Patentee before: Chongqing Intelligent Water-Meter Co., Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Anti drip check valve Effective date of registration: 20201104 Granted publication date: 20130626 Pledgee: CHONGQING QIANWEI SCIENCE & TECHNOLOGY GROUP Co.,Ltd. Pledgor: CHONGQING INTELLIGENCE WATER Co.,Ltd. Registration number: Y2020500000015 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211029 Granted publication date: 20130626 Pledgee: CHONGQING QIANWEI SCIENCE & TECHNOLOGY GROUP Co.,Ltd. Pledgor: CHONGQING INTELLIGENCE WATER CO.,LTD. Registration number: Y2020500000015 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |