CN112412874B - Turbofan with impeller structure capable of reducing air noise - Google Patents
Turbofan with impeller structure capable of reducing air noise Download PDFInfo
- Publication number
- CN112412874B CN112412874B CN202011421515.0A CN202011421515A CN112412874B CN 112412874 B CN112412874 B CN 112412874B CN 202011421515 A CN202011421515 A CN 202011421515A CN 112412874 B CN112412874 B CN 112412874B
- Authority
- CN
- China
- Prior art keywords
- blade
- assembling
- connecting rod
- inboard
- folding
- 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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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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0066—Blowers or centrifugal 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/287—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps with adjusting means
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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
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011421515.0A CN112412874B (en) | 2020-12-08 | 2020-12-08 | Turbofan with impeller structure capable of reducing air noise |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011421515.0A CN112412874B (en) | 2020-12-08 | 2020-12-08 | Turbofan with impeller structure capable of reducing air noise |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112412874A CN112412874A (en) | 2021-02-26 |
CN112412874B true CN112412874B (en) | 2021-05-28 |
Family
ID=74776644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011421515.0A Active CN112412874B (en) | 2020-12-08 | 2020-12-08 | Turbofan with impeller structure capable of reducing air noise |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112412874B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6213716B1 (en) * | 1999-11-19 | 2001-04-10 | King Of Fans, Inc. | Folding fan |
AU2010100481A4 (en) * | 2010-05-18 | 2010-06-17 | Pan Air Electric Co., Ltd. | Fan device having simultaneously foldable blades |
CN202732470U (en) * | 2012-06-25 | 2013-02-13 | 徐冰倩 | Dustproof folding electric fan |
CN203770162U (en) * | 2013-11-07 | 2014-08-13 | 河海大学 | Foldable and telescopic fan |
KR20150083514A (en) * | 2014-01-10 | 2015-07-20 | 배범진 | Solar Cell Fan Ventilator |
CN109826804A (en) * | 2017-11-23 | 2019-05-31 | 中山市风美照明科技有限公司 | A kind of folding Safety ceiling fan of flabellum |
CN211449182U (en) * | 2020-01-13 | 2020-09-08 | 绍兴上虞鼎鑫通风设备有限公司 | Connecting structure of fan blade and impeller |
-
2020
- 2020-12-08 CN CN202011421515.0A patent/CN112412874B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6213716B1 (en) * | 1999-11-19 | 2001-04-10 | King Of Fans, Inc. | Folding fan |
AU2010100481A4 (en) * | 2010-05-18 | 2010-06-17 | Pan Air Electric Co., Ltd. | Fan device having simultaneously foldable blades |
CN202732470U (en) * | 2012-06-25 | 2013-02-13 | 徐冰倩 | Dustproof folding electric fan |
CN203770162U (en) * | 2013-11-07 | 2014-08-13 | 河海大学 | Foldable and telescopic fan |
KR20150083514A (en) * | 2014-01-10 | 2015-07-20 | 배범진 | Solar Cell Fan Ventilator |
CN109826804A (en) * | 2017-11-23 | 2019-05-31 | 中山市风美照明科技有限公司 | A kind of folding Safety ceiling fan of flabellum |
CN211449182U (en) * | 2020-01-13 | 2020-09-08 | 绍兴上虞鼎鑫通风设备有限公司 | Connecting structure of fan blade and impeller |
Also Published As
Publication number | Publication date |
---|---|
CN112412874A (en) | 2021-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 310052 Room 201, 2 / F, building 5, No. 1180, Bin'an Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Beifeng Technology Co., Ltd. Address before: 310052 Room 201, 2 / F, building 5, No. 1180, Bin'an Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Beifeng Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220815 Address after: 310000 Room 201, 2 / F, building 5, No. 1180, Bin'an Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Beifeng Technology Co., Ltd. Patentee after: Hangzhou Beifeng electromechanical Co.,Ltd. Address before: 310052 Room 201, 2 / F, building 5, No. 1180, Bin'an Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Beifeng Technology Co., Ltd. |