CN109854780B - 一种用于城市水资源供给的安全防泄漏型水阀 - Google Patents
一种用于城市水资源供给的安全防泄漏型水阀 Download PDFInfo
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CN110594590B (zh) * | 2019-09-23 | 2023-04-07 | 天津市正方科技发展有限公司 | 一种原油输送管道超压自闭保护装置 |
CN110649956B (zh) * | 2019-09-24 | 2022-09-06 | 王戗戗 | 一种中继器 |
CN110916504B (zh) * | 2019-12-09 | 2021-12-14 | 湖州忻宝自动化科技有限公司 | 一种用于办公场所防滴漏的饮水机 |
CN112211868A (zh) * | 2020-10-26 | 2021-01-12 | 刘舜 | 一种两位三通液压阀 |
CN112943998B (zh) * | 2021-01-28 | 2023-03-31 | 湖南明塑塑业科技有限公司 | 一种防止水管漏水自动关水的装置 |
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GB870187A (en) * | 1958-03-04 | 1961-06-14 | Frank Edward Swain | Valves for controlling fluid flow |
DE3138619A1 (de) * | 1981-09-29 | 1983-04-14 | Hubert R. Prof. Dr. 2000 Hamburg Lageman | "oeffner-schliesser" |
CN203571145U (zh) * | 2013-06-30 | 2014-04-30 | 金川集团股份有限公司 | 一种长距离输送管道紧急调压器 |
CN208169667U (zh) * | 2018-03-14 | 2018-11-30 | 北京松田程科技有限公司 | 一种防泄漏的天然气阀门 |
CN109237071A (zh) * | 2018-10-03 | 2019-01-18 | 盐城欧润石化设备制造有限公司 | 一种螺旋气囊阀门 |
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Effective date of registration: 20200422 Address after: 234000 room 013, 11th floor, Kechuang building, Suma Park, Suzhou City, Anhui Province Applicant after: Anhui nuole Intellectual Property Service Co., Ltd Address before: 310014, Zhejiang City, No. 18 Chao Wang Road, Zhejiang University of Technology Applicant before: Liu Xu |
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Effective date of registration: 20220110 Address after: 150000 No. 2-1, Zixing street, Nangang District, Harbin City, Heilongjiang Province Patentee after: Harbin water supply engineering planning and Design Institute Co.,Ltd. Address before: 234000 room 013, 11 / F, Kechuang building, Suma Park, Suzhou City, Anhui Province Patentee before: Anhui nuole Intellectual Property Service Co.,Ltd. |