CN203702631U - 一种井用潜水泵的止回阀 - Google Patents
一种井用潜水泵的止回阀 Download PDFInfo
- Publication number
- CN203702631U CN203702631U CN201420074785.2U CN201420074785U CN203702631U CN 203702631 U CN203702631 U CN 203702631U CN 201420074785 U CN201420074785 U CN 201420074785U CN 203702631 U CN203702631 U CN 203702631U
- Authority
- CN
- China
- Prior art keywords
- spool
- valve body
- water
- check valve
- valve
- 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 - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Check Valves (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420074785.2U CN203702631U (zh) | 2014-02-21 | 2014-02-21 | 一种井用潜水泵的止回阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420074785.2U CN203702631U (zh) | 2014-02-21 | 2014-02-21 | 一种井用潜水泵的止回阀 |
Publications (1)
Publication Number | Publication Date |
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CN203702631U true CN203702631U (zh) | 2014-07-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420074785.2U Expired - Fee Related CN203702631U (zh) | 2014-02-21 | 2014-02-21 | 一种井用潜水泵的止回阀 |
Country Status (1)
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CN (1) | CN203702631U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108291659A (zh) * | 2015-11-19 | 2018-07-17 | 株式会社荏原制作所 | 水中泵 |
CN114320942A (zh) * | 2021-12-31 | 2022-04-12 | 浙江东音科技有限公司 | 一种具有智能功率调节功能的太阳能井用潜水泵 |
-
2014
- 2014-02-21 CN CN201420074785.2U patent/CN203702631U/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108291659A (zh) * | 2015-11-19 | 2018-07-17 | 株式会社荏原制作所 | 水中泵 |
CN108291659B (zh) * | 2015-11-19 | 2019-10-29 | 株式会社荏原制作所 | 水中泵 |
TWI689673B (zh) * | 2015-11-19 | 2020-04-01 | 日商荏原製作所股份有限公司 | 水中泵 |
CN114320942A (zh) * | 2021-12-31 | 2022-04-12 | 浙江东音科技有限公司 | 一种具有智能功率调节功能的太阳能井用潜水泵 |
CN114320942B (zh) * | 2021-12-31 | 2024-03-29 | 浙江东音科技有限公司 | 一种具有智能功率调节功能的太阳能井用潜水泵 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200409 Address after: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee after: Zhejiang Dongyin Technology Co.,Ltd. Address before: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee before: ZHEJIANG DOYIN PUMP INDUSTRY Co.,Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Taizhou Doyin Pump Industry Co.,Ltd. Assignor: Zhejiang Dongyin Technology Co.,Ltd. Contract record no.: X2021330000111 Denomination of utility model: Check valve of submersible pump for well Granted publication date: 20140709 License type: Common License Record date: 20210823 |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 |