CN102797695B - 一种机械密封循环保护控制系统及其方法 - Google Patents
一种机械密封循环保护控制系统及其方法 Download PDFInfo
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CN102797695B true CN102797695B (zh) | 2014-12-31 |
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CN104074785B (zh) * | 2014-05-30 | 2016-04-27 | 北京化工大学 | 可调控型离心压缩机平衡盘密封在线自愈方法及自愈系统 |
CN105090094A (zh) * | 2014-12-02 | 2015-11-25 | 芜湖三峰节能设备有限公司 | 一种提高工业离心泵机械密封性的装置 |
CN111963905B (zh) * | 2020-08-03 | 2021-11-16 | 西安泵阀总厂有限公司 | 一种用于有压双重密封的阻封液自动调压系统 |
CN112392993A (zh) * | 2020-11-29 | 2021-02-23 | 宁波市润桥工业设计有限公司 | 一种泵控阀 |
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GB2202904B (en) * | 1987-03-23 | 1991-09-11 | Rolls Royce Plc | A method and apparatus for evaluating the working line characteristics of a compressor of a gas turbine engine |
DE4117610C1 (en) * | 1991-05-27 | 1992-07-16 | Mannesmann Ag, 4000 Duesseldorf, De | Sealing liq. accumulator for high pressure shaft seals - has emergency servo-valve on outside for connecting inner chamber, filling pump, and reservoir |
CN2681877Y (zh) * | 2003-11-18 | 2005-03-02 | 上海人造板机器厂有限公司 | 一种热磨机的机械密封装置 |
CN201802861U (zh) * | 2010-09-16 | 2011-04-20 | 丹东市东升石化设备有限公司 | 一种机械密封封液装置 |
CN202304485U (zh) * | 2011-09-13 | 2012-07-04 | 上海诺果机电设备有限公司 | 机械密封组件用高效翅片管空气冷却装置 |
CN202756284U (zh) * | 2012-08-17 | 2013-02-27 | 金庆明 | 一种机械密封循环保护控制系统 |
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C14 | Grant of patent or utility model | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20170717 Address after: Ginkgo Road, Cangnan Industrial Park Cangnan Lingxi County of Wenzhou City, Zhejiang province 325800 No. 186 Patentee after: Zhejiang Tiande Pumps Co., Ltd. Address before: Lingxizhen Cangnan County of Wenzhou City, Zhejiang Province, 325800 Riverside District C Building Room 501 Patentee before: Jin Qingming |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cyclic protection control system and cyclic protection control method for mechanical seal Effective date of registration: 20180103 Granted publication date: 20141231 Pledgee: Hangzhou long long Financial Information Service Co., Ltd. Pledgor: Zhejiang Tiande Pumps Co., Ltd. Registration number: 2017330000343 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210315 Granted publication date: 20141231 Pledgee: Hangzhou long long Financial Information Service Co.,Ltd. Pledgor: ZHEJIANG TIANDE PUMPS Co.,Ltd. Registration number: 2017330000343 |