CN101368394B - 一种无负压变频供水装置 - Google Patents
一种无负压变频供水装置 Download PDFInfo
- Publication number
- CN101368394B CN101368394B CN2008102161680A CN200810216168A CN101368394B CN 101368394 B CN101368394 B CN 101368394B CN 2008102161680 A CN2008102161680 A CN 2008102161680A CN 200810216168 A CN200810216168 A CN 200810216168A CN 101368394 B CN101368394 B CN 101368394B
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- water
- water supply
- submersible pump
- tank body
- negative pressure
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- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
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Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008102161680A CN101368394B (zh) | 2008-09-19 | 2008-09-19 | 一种无负压变频供水装置 |
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CN2008102161680A CN101368394B (zh) | 2008-09-19 | 2008-09-19 | 一种无负压变频供水装置 |
Publications (2)
Publication Number | Publication Date |
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CN101368394A CN101368394A (zh) | 2009-02-18 |
CN101368394B true CN101368394B (zh) | 2011-11-23 |
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CN2008102161680A Active CN101368394B (zh) | 2008-09-19 | 2008-09-19 | 一种无负压变频供水装置 |
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CN (1) | CN101368394B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104131598A (zh) * | 2014-08-06 | 2014-11-05 | 陈奕尧 | 潜管式供水设备 |
CN107143003A (zh) * | 2017-06-30 | 2017-09-08 | 华蓝设计(集团)有限公司 | 节能型倒流防止系统 |
CN114457874B (zh) * | 2022-03-15 | 2023-09-22 | 湖北泉洁二次供水工程有限公司 | 一种变频式加压供水设备 |
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Publication number | Publication date |
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CN101368394A (zh) | 2009-02-18 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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 |
Denomination of invention: Non-negative pressure frequency conversion water supply facility Effective date of registration: 20130830 Granted publication date: 20111123 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen Liwanjia Intelligent Technology Co., Ltd. Registration number: 2013990000628 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
DD01 | Delivery of document by public notice |
Addressee: Shenzhen Wanjia Intelligent Technology Co., Ltd. patent Manager Document name: Notification that Application Deemed not to be Proposed |
|
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: 20170626 Granted publication date: 20111123 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen Liwanjia Intelligent Technology Co., Ltd. Registration number: 2013990000628 |