CN101368641B - 卸荷式液控液压截止阀及其开启方法 - Google Patents
卸荷式液控液压截止阀及其开启方法 Download PDFInfo
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- CN101368641B CN101368641B CN2008101513377A CN200810151337A CN101368641B CN 101368641 B CN101368641 B CN 101368641B CN 2008101513377 A CN2008101513377 A CN 2008101513377A CN 200810151337 A CN200810151337 A CN 200810151337A CN 101368641 B CN101368641 B CN 101368641B
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- seal ring
- cavity
- valve
- piston
- unloading
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Application Number | Priority Date | Filing Date | Title |
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CN2008101513377A CN101368641B (zh) | 2008-09-17 | 2008-09-17 | 卸荷式液控液压截止阀及其开启方法 |
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CN2008101513377A CN101368641B (zh) | 2008-09-17 | 2008-09-17 | 卸荷式液控液压截止阀及其开启方法 |
Publications (2)
Publication Number | Publication Date |
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CN101368641A CN101368641A (zh) | 2009-02-18 |
CN101368641B true CN101368641B (zh) | 2011-01-19 |
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CN2008101513377A Expired - Fee Related CN101368641B (zh) | 2008-09-17 | 2008-09-17 | 卸荷式液控液压截止阀及其开启方法 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102102777B (zh) * | 2011-03-11 | 2011-11-02 | 黄石市海成节能科技开发有限公司 | 一种磁浮式智能阀 |
CN102207200A (zh) * | 2011-05-24 | 2011-10-05 | 苏州新锐工程工具有限公司 | 高压卸荷手动截止阀 |
CN103573732B (zh) * | 2013-09-09 | 2016-02-17 | 山东大学 | 一种超高压大流量增压式液控截止阀及其应用 |
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CN101368641A (zh) | 2009-02-18 |
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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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HENGSHUI HAIJIANG FILTER PRESS GROUP CO., LTD. Assignor: Tianjin University of Technology Contract record no.: 2012130000110 Denomination of invention: Unloading type liquid-control hydraulic break valve and its opening method Granted publication date: 20110119 License type: Exclusive License Open date: 20090218 Record date: 20120628 |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20170917 |