CN203377735U - 旋转导向用井下发电机 - Google Patents
旋转导向用井下发电机 Download PDFInfo
- Publication number
- CN203377735U CN203377735U CN201320429512.0U CN201320429512U CN203377735U CN 203377735 U CN203377735 U CN 203377735U CN 201320429512 U CN201320429512 U CN 201320429512U CN 203377735 U CN203377735 U CN 203377735U
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- CN
- China
- Prior art keywords
- generator
- impeller
- permanent magnet
- rotary steering
- running wheel
- 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.)
- Expired - Lifetime
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- Permanent Magnet Type Synchronous Machine (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320429512.0U CN203377735U (zh) | 2013-07-18 | 2013-07-18 | 旋转导向用井下发电机 |
Applications Claiming Priority (1)
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CN201320429512.0U CN203377735U (zh) | 2013-07-18 | 2013-07-18 | 旋转导向用井下发电机 |
Publications (1)
Publication Number | Publication Date |
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CN203377735U true CN203377735U (zh) | 2014-01-01 |
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CN201320429512.0U Expired - Lifetime CN203377735U (zh) | 2013-07-18 | 2013-07-18 | 旋转导向用井下发电机 |
Country Status (1)
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CN (1) | CN203377735U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106321332A (zh) * | 2016-08-31 | 2017-01-11 | 武汉恒力汇智科技有限公司 | 一种钻探用钻杆发电装置 |
-
2013
- 2013-07-18 CN CN201320429512.0U patent/CN203377735U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106321332A (zh) * | 2016-08-31 | 2017-01-11 | 武汉恒力汇智科技有限公司 | 一种钻探用钻杆发电装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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 utility model: Downhole generator for rotary guide Effective date of registration: 20210602 Granted publication date: 20140101 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: PANJIN LIAOHE OILFIELD TIANYI PETROLEUM EQUIPMENT Co.,Ltd. Registration number: Y2021210000033 |
|
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: 20220610 Granted publication date: 20140101 Pledgee: Panjin science and technology Financing Guarantee Co.,Ltd. Pledgor: PANJIN LIAOHE OILFIELD TIANYI PETROLEUM EQUIPMENT Co.,Ltd. Registration number: Y2021210000033 |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140101 |