CN102661407B - 一种气体管道小阻力旋启式止回阀 - Google Patents
一种气体管道小阻力旋启式止回阀 Download PDFInfo
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- CN102661407B CN102661407B CN 201210176022 CN201210176022A CN102661407B CN 102661407 B CN102661407 B CN 102661407B CN 201210176022 CN201210176022 CN 201210176022 CN 201210176022 A CN201210176022 A CN 201210176022A CN 102661407 B CN102661407 B CN 102661407B
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- valve
- gas pipeline
- check valve
- swing check
- flap
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CN 201210176022 CN102661407B (zh) | 2012-05-31 | 2012-05-31 | 一种气体管道小阻力旋启式止回阀 |
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CN 201210176022 CN102661407B (zh) | 2012-05-31 | 2012-05-31 | 一种气体管道小阻力旋启式止回阀 |
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CN102661407A CN102661407A (zh) | 2012-09-12 |
CN102661407B true CN102661407B (zh) | 2013-10-23 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103388692B (zh) * | 2013-08-08 | 2016-03-02 | 中煤科工集团重庆研究院有限公司 | 气体管道止回阀 |
CN104455577B (zh) * | 2014-11-04 | 2017-05-03 | 中国原子能科学研究院 | 一种核级旋启式止回阀阀瓣的固定方法 |
CN104806793B (zh) * | 2015-04-01 | 2017-04-26 | 上海阀门厂股份有限公司 | 一种低压差开启止回阀 |
EP3324415B1 (en) * | 2015-07-13 | 2020-05-06 | Tsinghua University | Baffle structure for channel |
CN107061803A (zh) * | 2017-02-27 | 2017-08-18 | 江苏爵格工业设备有限公司 | 一种单向隔爆阀 |
CN108916425A (zh) * | 2018-08-02 | 2018-11-30 | 北京艾米生科技有限公司 | 一种高压气密封rto旋转阀 |
CN108843803A (zh) * | 2018-09-04 | 2018-11-20 | 沈阳耐蚀合金泵股份有限公司 | 阀门结构 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6152173A (en) * | 1999-07-28 | 2000-11-28 | Val-Matic Valve And Manufacturing Corp. | Position indicating check valve |
CN2591356Y (zh) * | 2003-01-04 | 2003-12-10 | 王来敏 | 家用厨房阻倒烟器 |
CN2605438Y (zh) * | 2003-01-22 | 2004-03-03 | 沈惠贤 | 调压导向式止逆阀 |
CN2867009Y (zh) * | 2005-12-30 | 2007-02-07 | 张跃 | 无阻力止回阀 |
KR20100126091A (ko) * | 2009-05-22 | 2010-12-01 | 서광공업 주식회사 | 체크밸브 |
CN201747996U (zh) * | 2010-08-23 | 2011-02-16 | 陆耘 | 重压阀片闭合卡锁阻火止回阀 |
CN202109038U (zh) * | 2011-06-27 | 2012-01-11 | 精工阀门有限公司 | 新型缓闭止回阀 |
CN202597797U (zh) * | 2012-05-31 | 2012-12-12 | 中煤科工集团重庆研究院 | 一种气体管道小阻力旋启式止回阀 |
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2012
- 2012-05-31 CN CN 201210176022 patent/CN102661407B/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6152173A (en) * | 1999-07-28 | 2000-11-28 | Val-Matic Valve And Manufacturing Corp. | Position indicating check valve |
CN2591356Y (zh) * | 2003-01-04 | 2003-12-10 | 王来敏 | 家用厨房阻倒烟器 |
CN2605438Y (zh) * | 2003-01-22 | 2004-03-03 | 沈惠贤 | 调压导向式止逆阀 |
CN2867009Y (zh) * | 2005-12-30 | 2007-02-07 | 张跃 | 无阻力止回阀 |
KR20100126091A (ko) * | 2009-05-22 | 2010-12-01 | 서광공업 주식회사 | 체크밸브 |
CN201747996U (zh) * | 2010-08-23 | 2011-02-16 | 陆耘 | 重压阀片闭合卡锁阻火止回阀 |
CN202109038U (zh) * | 2011-06-27 | 2012-01-11 | 精工阀门有限公司 | 新型缓闭止回阀 |
CN202597797U (zh) * | 2012-05-31 | 2012-12-12 | 中煤科工集团重庆研究院 | 一种气体管道小阻力旋启式止回阀 |
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CN102661407A (zh) | 2012-09-12 |
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Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
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Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: China Coal Technology Engineering Group Chongqing Research Institute Address before: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 6 Patentee before: China Coal Science and Industry Group Chongqing Research Institute |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20160531 |