KR900007252B1 - 저속축류팬용 블레이드 - Google Patents
저속축류팬용 블레이드 Download PDFInfo
- Publication number
- KR900007252B1 KR900007252B1 KR1019870004921A KR870004921A KR900007252B1 KR 900007252 B1 KR900007252 B1 KR 900007252B1 KR 1019870004921 A KR1019870004921 A KR 1019870004921A KR 870004921 A KR870004921 A KR 870004921A KR 900007252 B1 KR900007252 B1 KR 900007252B1
- Authority
- KR
- South Korea
- Prior art keywords
- blade
- low speed
- air
- axial fan
- speed axial
- 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
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Classifications
-
- 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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
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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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor with roughened surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (6)
- 회전체에 연결된 부재와 그 부재의 상기 바깥둘에 표면으로부터 반경방향 외부로 섣은 저속축류팬용 블레이드에 있어서, 상기 각 블레이드는 그 흡입측의 적어도 일부에 거친표면으로 이루어지고, 그 표면의 거칠기가 팬이 회전될때 블레이드의 앞전이 되는 상기 블레이도의 전면 모서리로 부터 배면 모서리까지 점진적으로 증가하는 것을 특징으로 하는 저속축류팬용 블레이드
- 제1항에 있어서, 상기 거친표면은 상기 전면 모서리에서 상기 배면 모서러까지 점진적으로 증가하는 거친 조밀도를 갖고 있는 것을 특징으로 하는 저속축류팬용 블레이드.
- 제1항에 있어서, 상기 거친표면은 상기 전면 모서리에서 상기 배면 모서리까지 점진적으로 증가하는 거친 깊이를 갖고있는 것을 특징으로 하는 저속축류팬용 블레이드.
- 제2항 또는 제3항에 있어서, 상기 거친표면에 양호한 홈이 형성된 것을 특징으로 하는 저속축류팬용블레이드.
- 제2항 또는 제3항에 있어서, 상기 거친표면은 매끈한 표면인 것을 특징으로 하는 저속축류팬용 블레이드.
- 제2항 또는 제3항에 있어서, 상기 거친표면은 혼합홈 및 매끄러운 표면인 것을 특징으로 하는 저속축류팬용 블레이드.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61-75108 | 1986-03-31 | ||
| JP61-75107 | 1986-03-31 | ||
| JP7510786U JPS62185889U (ko) | 1986-05-19 | 1986-05-19 | |
| JP7510886U JPS62185890U (ko) | 1986-05-19 | 1986-05-19 | |
| JP75107 | 1986-05-19 | ||
| JP75108 | 1986-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870011388A KR870011388A (ko) | 1987-12-23 |
| KR900007252B1 true KR900007252B1 (ko) | 1990-10-06 |
Family
ID=26416249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870004921A Expired KR900007252B1 (ko) | 1986-05-19 | 1987-05-19 | 저속축류팬용 블레이드 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4859150A (ko) |
| KR (1) | KR900007252B1 (ko) |
| DE (1) | DE3716718A1 (ko) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02140497A (ja) * | 1988-11-21 | 1990-05-30 | Usui Internatl Ind Co Ltd | 送風ファン用ブレード |
| US5209644A (en) * | 1991-01-11 | 1993-05-11 | United Technologies Corporation | Flow directing element for the turbine of a rotary machine and method of operation therefor |
| RU2020304C1 (ru) * | 1992-03-31 | 1994-09-30 | Геннадий Ираклиевич Кикнадзе | Поверхность обтекания для формирования динамических вихревых структур в пограничных и пристенных слоях потоков сплошных сред |
| AU3541797A (en) * | 1996-07-09 | 1998-02-02 | Private Universitat Witten/Herdecke Gmbh | Rotor for a wind power station |
| US6183197B1 (en) * | 1999-02-22 | 2001-02-06 | General Electric Company | Airfoil with reduced heat load |
| US6471472B1 (en) * | 2000-05-03 | 2002-10-29 | Siemens Canada Limited | Turbomachine shroud fibrous tip seal |
| KR20020044611A (ko) * | 2000-12-06 | 2002-06-19 | 이계안 | 차량용 냉각 팬 |
| KR20020044616A (ko) * | 2000-12-06 | 2002-06-19 | 이계안 | 풍량 증대형 냉각팬 |
| US6872048B2 (en) * | 2001-11-26 | 2005-03-29 | Lennox Industries, Inc. | Fan with reduced noise generation |
| TWI231417B (en) * | 2004-01-02 | 2005-04-21 | Quanta Comp Inc | Heat sink module and fan structure thereof and fan body |
| JP4385772B2 (ja) * | 2004-01-16 | 2009-12-16 | 日立工機株式会社 | 燃焼式動力工具 |
| CN101498317B (zh) * | 2008-02-01 | 2012-03-14 | 富准精密工业(深圳)有限公司 | 散热风扇及其叶轮 |
| US8231331B2 (en) * | 2008-03-14 | 2012-07-31 | Wayne State University | Reduction of flow-induced noise in a centrifugal blower |
| DE102009003170A1 (de) * | 2009-05-15 | 2010-12-02 | BSH Bosch und Siemens Hausgeräte GmbH | Lüfterrad, Gebläse mit einem Lüfterrad, Wäschetrocknungsgerät mit einem Gebläse und Verfahren zum Herstellen eines Lüfterrads |
| US20120100001A1 (en) * | 2010-10-20 | 2012-04-26 | Zaward Corporation | Fan structure |
| JP5611379B2 (ja) * | 2013-01-23 | 2014-10-22 | 株式会社豊田自動織機 | ターボチャージャ用インペラ、ターボチャージャ用インペラの製造方法、ターボチャージャ、及びターボユニット |
| US20140271286A1 (en) * | 2013-03-14 | 2014-09-18 | William McNeill | Noise Producing Fan |
| USD901669S1 (en) * | 2017-09-29 | 2020-11-10 | Carrier Corporation | Contoured fan blade |
| DE102019105190A1 (de) * | 2019-02-28 | 2020-09-03 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Axialventilator mit geräuschreduzierenden Lüfterradschaufeln |
| TWI871703B (zh) * | 2023-07-19 | 2025-02-01 | 宏碁股份有限公司 | 軸流散熱風扇 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899128A (en) * | 1959-08-11 | Vaghi | ||
| FR517825A (fr) * | 1917-11-23 | 1921-05-12 | Franz Blicharski | Surfaces d'impulsion frappées par un milieu liquide ou gazeux |
| US1864803A (en) * | 1929-07-11 | 1932-06-28 | John M Clark | Marine and aeroplane propeller |
| GB372378A (en) * | 1930-11-07 | 1932-05-09 | Stone J & Co Ltd | Improvements in and connected with screw propellers |
| US2238749A (en) * | 1939-01-30 | 1941-04-15 | Clarence B Swift | Fan blade |
| GB580806A (en) * | 1941-05-21 | 1946-09-20 | Alan Arnold Griffith | Improvements in compressor, turbine and like blades |
| DE6940421U (de) * | 1969-10-13 | 1970-04-16 | Heinrich Hennigs | Luftschrauben mit vermindertem luftwiderstand |
| DE2933358A1 (de) * | 1979-08-17 | 1981-02-26 | Heinz Mondre | Verfahren zur herabsetzung des stroemungswiderstandes |
-
1987
- 1987-05-19 DE DE19873716718 patent/DE3716718A1/de active Granted
- 1987-05-19 KR KR1019870004921A patent/KR900007252B1/ko not_active Expired
-
1988
- 1988-07-15 US US07/219,452 patent/US4859150A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR870011388A (ko) | 1987-12-23 |
| DE3716718A1 (de) | 1987-11-26 |
| US4859150A (en) | 1989-08-22 |
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