CN101275467A - 高压升柱控制阀及有高压泵的高压初撑系统 - Google Patents
高压升柱控制阀及有高压泵的高压初撑系统 Download PDFInfo
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- CN101275467A CN101275467A CNA2008101043494A CN200810104349A CN101275467A CN 101275467 A CN101275467 A CN 101275467A CN A2008101043494 A CNA2008101043494 A CN A2008101043494A CN 200810104349 A CN200810104349 A CN 200810104349A CN 101275467 A CN101275467 A CN 101275467A
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CN2008101043494A CN101275467B (zh) | 2008-04-17 | 2008-04-17 | 高压升柱控制阀及有高压泵的高压初撑系统 |
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CN101275467B CN101275467B (zh) | 2010-12-01 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103334776A (zh) * | 2013-05-28 | 2013-10-02 | 山西平阳广日机电有限公司 | 一种手动换向阀用整体插装式阀芯组件 |
CN103603975A (zh) * | 2013-11-26 | 2014-02-26 | 湖南特力液压有限公司 | 推杆单向阀与多级液压缸 |
CN105545852A (zh) * | 2015-12-30 | 2016-05-04 | 浙江大学 | 一种高速开关先导比例阀 |
CN107084166A (zh) * | 2017-05-23 | 2017-08-22 | 中国神华能源股份有限公司 | 用于液压支架立柱的电液控制憋压系统及方法 |
CN112845416A (zh) * | 2021-01-19 | 2021-05-28 | 兰州凯宏中原石油科技有限公司 | 一种石油压裂酸化液喷射管柱用冲洗装置 |
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2008
- 2008-04-17 CN CN2008101043494A patent/CN101275467B/zh active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103334776A (zh) * | 2013-05-28 | 2013-10-02 | 山西平阳广日机电有限公司 | 一种手动换向阀用整体插装式阀芯组件 |
CN103603975A (zh) * | 2013-11-26 | 2014-02-26 | 湖南特力液压有限公司 | 推杆单向阀与多级液压缸 |
CN103603975B (zh) * | 2013-11-26 | 2015-10-28 | 湖南特力液压有限公司 | 多级液压缸 |
CN105545852A (zh) * | 2015-12-30 | 2016-05-04 | 浙江大学 | 一种高速开关先导比例阀 |
CN105545852B (zh) * | 2015-12-30 | 2017-05-17 | 浙江大学 | 一种高速开关先导比例阀 |
CN107084166A (zh) * | 2017-05-23 | 2017-08-22 | 中国神华能源股份有限公司 | 用于液压支架立柱的电液控制憋压系统及方法 |
CN107084166B (zh) * | 2017-05-23 | 2019-06-18 | 中国神华能源股份有限公司 | 用于液压支架立柱的电液控制憋压系统及方法 |
CN112845416A (zh) * | 2021-01-19 | 2021-05-28 | 兰州凯宏中原石油科技有限公司 | 一种石油压裂酸化液喷射管柱用冲洗装置 |
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CN101275467B (zh) | 2010-12-01 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Tiandi Huatai Mining Engineering & Technology Co., Ltd. Assignor: Beijing Tiandi-marco Electro-hydraulic Control System Co., Ltd. Contract record no.: 2011990000537 Denomination of invention: High pressure rising pole control valve and high pressure original supporting system with high-pressure pump Granted publication date: 20101201 License type: Exclusive License Open date: 20081001 Record date: 20110704 |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100013, room 5, Tiandi building, 102 Youth Road, Chaoyang District, Beijing, Hepingli Patentee after: Beijing Tianma Zhikong Technology Co.,Ltd. Address before: 100013, room 5, Tiandi building, 102 Youth Road, Chaoyang District, Beijing, Hepingli Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. |