CN107939713A - The electric fan that a kind of performance is stablized - Google Patents
The electric fan that a kind of performance is stablized Download PDFInfo
- Publication number
- CN107939713A CN107939713A CN201711210712.6A CN201711210712A CN107939713A CN 107939713 A CN107939713 A CN 107939713A CN 201711210712 A CN201711210712 A CN 201711210712A CN 107939713 A CN107939713 A CN 107939713A
- Authority
- CN
- China
- Prior art keywords
- fan
- locknut
- head
- fan blade
- cover
- 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.)
- Pending
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
- F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711210712.6A CN107939713A (en) | 2017-11-24 | 2017-11-24 | The electric fan that a kind of performance is stablized |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711210712.6A CN107939713A (en) | 2017-11-24 | 2017-11-24 | The electric fan that a kind of performance is stablized |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107939713A true CN107939713A (en) | 2018-04-20 |
Family
ID=61949198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711210712.6A Pending CN107939713A (en) | 2017-11-24 | 2017-11-24 | The electric fan that a kind of performance is stablized |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107939713A (en) |
-
2017
- 2017-11-24 CN CN201711210712.6A patent/CN107939713A/en active Pending
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DD01 | Delivery of document by public notice |
Addressee: Cixi city Aiqi Electrical Technology Co. Ltd. Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
DD01 | Delivery of document by public notice | ||
PB01 | Publication | ||
PB01 | Publication | ||
DD01 | Delivery of document by public notice |
Addressee: Cixi city Aiqi Electrical Technology Co. Ltd. Document name: Notification of Publication of the Application for Invention |
|
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Chen Miaoxia Document name: Notice of expiration of the time limit for the trial |
|
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Chen Miaoxia Document name: Deemed as a notice of withdrawal |
|
DD01 | Delivery of document by public notice | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180420 |
|
WD01 | Invention patent application deemed withdrawn after publication |