CN1332146C - 双密封阀门 - Google Patents
双密封阀门 Download PDFInfo
- Publication number
- CN1332146C CN1332146C CNB2005100675351A CN200510067535A CN1332146C CN 1332146 C CN1332146 C CN 1332146C CN B2005100675351 A CNB2005100675351 A CN B2005100675351A CN 200510067535 A CN200510067535 A CN 200510067535A CN 1332146 C CN1332146 C CN 1332146C
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure relief
- sealing
- double seal
- relief vent
- 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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- Lift Valve (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100675351A CN1332146C (zh) | 2004-12-23 | 2005-04-19 | 双密封阀门 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200410081569 | 2004-12-23 | ||
CN200410081569.1 | 2004-12-23 | ||
CNB2005100675351A CN1332146C (zh) | 2004-12-23 | 2005-04-19 | 双密封阀门 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1699801A CN1699801A (zh) | 2005-11-23 |
CN1332146C true CN1332146C (zh) | 2007-08-15 |
Family
ID=35475991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100675351A Expired - Fee Related CN1332146C (zh) | 2004-12-23 | 2005-04-19 | 双密封阀门 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1332146C (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104832662B (zh) * | 2015-05-18 | 2017-05-17 | 权岚 | 一种双执行器的蝶阀 |
CN107740868B (zh) * | 2017-11-20 | 2019-04-19 | 盐城市华凯阀业制造有限公司 | 一种带有预泄压功能的蝶阀 |
CN109114232B (zh) * | 2018-10-31 | 2023-10-24 | 石家庄三环阀门股份有限公司 | 双向隔断阀 |
CN109340381B (zh) * | 2018-11-07 | 2019-10-25 | 天津大学 | 一种多面密封生物密闭阀 |
CN110906010A (zh) * | 2019-11-19 | 2020-03-24 | 广州市淞滨工程技术有限公司 | 一种用于水利工程的密封效果好的液压启闭装置 |
CN111120665A (zh) * | 2020-01-20 | 2020-05-08 | 韩国昊 | 一种双向截止阀 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87215755U (zh) * | 1987-11-24 | 1988-11-02 | 大连工学院 | 多功能密闭式先导操作安全阀 |
CN1013988B (zh) * | 1987-01-24 | 1991-09-18 | 王加新 | 撑开式阀门密封结构 |
CN2165920Y (zh) * | 1993-04-09 | 1994-05-25 | 梁秋林 | 双密封防爆消解反应罐 |
US5338003A (en) * | 1983-11-14 | 1994-08-16 | John Beson | Dual seal ball valve |
US5845675A (en) * | 1997-10-27 | 1998-12-08 | Ligh; J. Yen | Diaphragm/spring actuated pressure relief valve with pressure balanced outlet and fail-safe operation |
CN1109832C (zh) * | 2000-02-14 | 2003-05-28 | 王加新 | 阀杆旋转角度启闭的撑拢式阀门密封结构 |
-
2005
- 2005-04-19 CN CNB2005100675351A patent/CN1332146C/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5338003A (en) * | 1983-11-14 | 1994-08-16 | John Beson | Dual seal ball valve |
CN1013988B (zh) * | 1987-01-24 | 1991-09-18 | 王加新 | 撑开式阀门密封结构 |
CN87215755U (zh) * | 1987-11-24 | 1988-11-02 | 大连工学院 | 多功能密闭式先导操作安全阀 |
CN2165920Y (zh) * | 1993-04-09 | 1994-05-25 | 梁秋林 | 双密封防爆消解反应罐 |
US5845675A (en) * | 1997-10-27 | 1998-12-08 | Ligh; J. Yen | Diaphragm/spring actuated pressure relief valve with pressure balanced outlet and fail-safe operation |
CN1109832C (zh) * | 2000-02-14 | 2003-05-28 | 王加新 | 阀杆旋转角度启闭的撑拢式阀门密封结构 |
Also Published As
Publication number | Publication date |
---|---|
CN1699801A (zh) | 2005-11-23 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: JIANMEN PUMP INDUSTRY CO., LTD., SANTAI, SICHUAN Free format text: FORMER OWNER: PAN SHIYONG Effective date: 20120412 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610039 CHENGDU, SICHUAN PROVINCE TO: 621100 MIANYANG, SICHUAN PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120412 Address after: 621100 Sichuan Province three County Agricultural Nanhe Town Road No. 528 Patentee after: Jianmen Pump Industry Co., Ltd., Santai, Sichuan Address before: 610039 No. 2, unit 22, dormitory 8, Xihua University, Chengdu, Sichuan Patentee before: Pan Shiyong |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070815 Termination date: 20140419 |