CN103423140A - 一种防止真空体系倒吸的方法及装置 - Google Patents
一种防止真空体系倒吸的方法及装置 Download PDFInfo
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- CN103423140A CN103423140A CN2012102593144A CN201210259314A CN103423140A CN 103423140 A CN103423140 A CN 103423140A CN 2012102593144 A CN2012102593144 A CN 2012102593144A CN 201210259314 A CN201210259314 A CN 201210259314A CN 103423140 A CN103423140 A CN 103423140A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000004886 process control Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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CN201210259314.4A CN103423140B (zh) | 2012-07-25 | 2012-07-25 | 一种防止真空体系倒吸的方法及装置 |
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CN201210259314.4A CN103423140B (zh) | 2012-07-25 | 2012-07-25 | 一种防止真空体系倒吸的方法及装置 |
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CN103423140A true CN103423140A (zh) | 2013-12-04 |
CN103423140B CN103423140B (zh) | 2016-01-13 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104339624A (zh) * | 2014-10-23 | 2015-02-11 | 金都精密机械(大连)有限公司 | 型材挤出定型台真空系统及其工作方法 |
CN113309700A (zh) * | 2021-05-31 | 2021-08-27 | 广东达诚技术有限公司 | 一种片材机双泵抽真空装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2692452Y (zh) * | 2004-03-19 | 2005-04-13 | 杨正川 | 失电断路阀 |
EP1577559A1 (en) * | 2004-03-15 | 2005-09-21 | VARIAN S.p.A. | Vacuum pumping system |
CN2839664Y (zh) * | 2005-05-27 | 2006-11-22 | 上海宝钢建筑维修公司 | 真空抽气泵负压倒灌截止装置 |
CN201273718Y (zh) * | 2008-07-09 | 2009-07-15 | 刘国强 | 多功能燃煤锅炉控制器 |
CN101751056A (zh) * | 2008-12-10 | 2010-06-23 | 中国科学院沈阳科学仪器研制中心有限公司 | 真空系统恒压恒流调节器及其控制方法 |
CN102493843A (zh) * | 2011-11-30 | 2012-06-13 | 北京天地玛珂电液控制系统有限公司 | 一种矿井用防水闸门自动控制系统及其控制方法 |
CN202659479U (zh) * | 2012-07-25 | 2013-01-09 | 烟台万润精细化工股份有限公司 | 一种防止真空体系倒吸的装置 |
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2012
- 2012-07-25 CN CN201210259314.4A patent/CN103423140B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1577559A1 (en) * | 2004-03-15 | 2005-09-21 | VARIAN S.p.A. | Vacuum pumping system |
CN2692452Y (zh) * | 2004-03-19 | 2005-04-13 | 杨正川 | 失电断路阀 |
CN2839664Y (zh) * | 2005-05-27 | 2006-11-22 | 上海宝钢建筑维修公司 | 真空抽气泵负压倒灌截止装置 |
CN201273718Y (zh) * | 2008-07-09 | 2009-07-15 | 刘国强 | 多功能燃煤锅炉控制器 |
CN101751056A (zh) * | 2008-12-10 | 2010-06-23 | 中国科学院沈阳科学仪器研制中心有限公司 | 真空系统恒压恒流调节器及其控制方法 |
CN102493843A (zh) * | 2011-11-30 | 2012-06-13 | 北京天地玛珂电液控制系统有限公司 | 一种矿井用防水闸门自动控制系统及其控制方法 |
CN202659479U (zh) * | 2012-07-25 | 2013-01-09 | 烟台万润精细化工股份有限公司 | 一种防止真空体系倒吸的装置 |
Non-Patent Citations (1)
Title |
---|
王鹏等: "《电焊机》", 31 May 2003, article "电焊机" * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104339624A (zh) * | 2014-10-23 | 2015-02-11 | 金都精密机械(大连)有限公司 | 型材挤出定型台真空系统及其工作方法 |
CN113309700A (zh) * | 2021-05-31 | 2021-08-27 | 广东达诚技术有限公司 | 一种片材机双泵抽真空装置 |
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CN103423140B (zh) | 2016-01-13 |
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Address after: 264006 Shandong city of Yantai Province Economic and Technological Development Zone Wuzhi Mountain Road No. 11 Applicant after: VALIANT Co.,Ltd. Address before: 264006 Shandong city of Yantai Province Economic and Technological Development Zone Wuzhi Mountain Road No. 11 Applicant before: Yantai Valiant Fine Chemicals Co.,Ltd. |
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Denomination of invention: A method and device for preventing backsuction of vacuum system Effective date of registration: 20211202 Granted publication date: 20160113 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: VALIANT Co.,Ltd. Registration number: Y2021980013807 |
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Date of cancellation: 20220823 Granted publication date: 20160113 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: VALIANT Co.,Ltd. Registration number: Y2021980013807 |