CN201190657Y - 一种螺杆泵稀土永磁电动机直驱式地面装置 - Google Patents
一种螺杆泵稀土永磁电动机直驱式地面装置 Download PDFInfo
- Publication number
- CN201190657Y CN201190657Y CNU200820089752XU CN200820089752U CN201190657Y CN 201190657 Y CN201190657 Y CN 201190657Y CN U200820089752X U CNU200820089752X U CN U200820089752XU CN 200820089752 U CN200820089752 U CN 200820089752U CN 201190657 Y CN201190657 Y CN 201190657Y
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- Prior art keywords
- screw pump
- permanent magnet
- earth permanent
- rare earth
- oil well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU200820089752XU CN201190657Y (zh) | 2008-04-17 | 2008-04-17 | 一种螺杆泵稀土永磁电动机直驱式地面装置 |
Applications Claiming Priority (1)
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CNU200820089752XU CN201190657Y (zh) | 2008-04-17 | 2008-04-17 | 一种螺杆泵稀土永磁电动机直驱式地面装置 |
Publications (1)
Publication Number | Publication Date |
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CN201190657Y true CN201190657Y (zh) | 2009-02-04 |
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CNU200820089752XU Expired - Fee Related CN201190657Y (zh) | 2008-04-17 | 2008-04-17 | 一种螺杆泵稀土永磁电动机直驱式地面装置 |
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CN (1) | CN201190657Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103628842A (zh) * | 2013-08-13 | 2014-03-12 | 哈尔滨恒誉名翔科技有限公司 | 一种直驱式永磁同步电动机抽油系统 |
CN107575377A (zh) * | 2017-10-26 | 2018-01-12 | 泗县金皖泵业有限公司 | 一种立式高压螺杆泵 |
-
2008
- 2008-04-17 CN CNU200820089752XU patent/CN201190657Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103628842A (zh) * | 2013-08-13 | 2014-03-12 | 哈尔滨恒誉名翔科技有限公司 | 一种直驱式永磁同步电动机抽油系统 |
CN107575377A (zh) * | 2017-10-26 | 2018-01-12 | 泗县金皖泵业有限公司 | 一种立式高压螺杆泵 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Daqing Permanent Magnetic Motor Manufacturing Co., Ltd. Assignor: Lin Zenglu Contract record no.: 2013230000488 Denomination of utility model: Straight-driven ground apparatus for rare-earth permanent magnet motor of screw pump Granted publication date: 20090204 License type: Exclusive License Record date: 20130415 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20170417 |
|
CF01 | Termination of patent right due to non-payment of annual fee |