JP2018533695A - 軸流ファン及びロータ用の低騒音高効率ブレードとそのブレードを備えた軸流ファン又はロータ - Google Patents
軸流ファン及びロータ用の低騒音高効率ブレードとそのブレードを備えた軸流ファン又はロータ Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
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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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
-
- 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
- F04D29/384—Blades characterised by form
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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
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
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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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
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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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
- F04D29/386—Skewed 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/70—Shape
- F05B2250/71—Shape curved
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
- F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
-
- 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
- F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【選択図】図5
Description
図1、図2a、図2b、図2c、図3a、図3b、図4a、図4b、図4c、図7a、及び図7bは従来の軸流ファン用ブレードアセンブリの種々の例を示す。より具体的には、下記の通りである。
Claims (15)
- 低騒音及び/又は高効率の軸流ファン用のブレード(1)であって、
稼働状態において前記ファンの回転方向に対向する前記ブレード(1)の前縁(1l)である正面縁及び前記ブレード(1)の後縁(1t)である背面縁と、
前記ブレード(1)をファンのロータに固定するために使用可能な翼根部(1r)、前記翼根部から延びる第1ブレード部分(1a)、及び前記第1部分(1a)から延びる第2ブレード部分(1b)と、を含み、
前記第1部分(1a)によって規定される前記前縁(1l)部分及び前記第1部分(1a)によって規定される前記後縁(1t)部分の両方を含む平面への前記ブレードの投影像がV字形を成すように、前記第1部分(1a)によって規定される前記前縁(1l)部分及び前記第2部分(1b)によって規定される前記前縁部分が異なる方向へ延びて、その間に鈍角(V)を形成していることを特徴とするブレード(1)。 - 前記第1部分(1a)によって規定される前記前縁(1l)部分及び前記第1部分(1a)によって規定される前記後縁(1t)部分の両方を含む平面への前記ブレードの前記投影像がV字形を成すように、前記第1部分(1a)によって規定される前記後縁(1t)部分及び前記第2部分(1b)によって規定される前記後縁(1t)部分が異なる方向へ延びており、その間に鈍角(V)を形成していることを特徴とする請求項1に記載のブレード(1)。
- 前記翼根部(1r)はピッチ調整軸X―Xを規定するように形成され、
前記第1部分(1a)によって規定される前記前縁(1l)部分及び前記第2部分(1b)によって規定される前記前縁(1l)部分によって規定される前記角度の頂点(Vv)が、前記ピッチ調整軸X―Xに対して一方側に位置し、前記前縁の向かい合う翼端(B及びC)は他方側に位置することを特徴とする請求項1又は2に記載のブレード(1)。 - 前記翼根部(1r)はピッチ調整軸X―Xを定義するように形成され、
前記第1部分(1a)によって規定される前記前縁(1l)部分及び前記第2部分(1b)によって規定される前記前縁(1l)部分によって規定される前記角度の頂点(Vv)が、前記前縁の向かい合う翼端(B及びC)と共に前記ピッチ調整軸X―Xに対して一方側に位置することを特徴とする請求項1〜3のいずれか1項に記載のブレード(1)。 - 前記鈍角(V)は90°から170°の間の角度である、請求項1〜4のいずれか1項に記載のブレード(1)。
- 前記鈍角(V)は100°から120°の間の角度である、請求項5に記載のブレード(1)。
- 前記第1部分(1a)及び前記第2部分(1b)が結合する前記ブレードの部分において、鉛直方向平面における前記第1部分(1a)及び前記第2部分(1b)の負圧面の間の二面角が約195°である、請求項1〜6のいずれか1項に記載のブレード(1)。
- 前記内側の第1部分(1a)が、直線状のブレードから始めて、ブレード翼形の一部を前記ピッチ調整軸が前記ブレードの前記翼根部と交差する位置を通る鉛直方向軸を中心に後方へ反時計回りに回転させることにより得られ、前記外側の第2部分(1b)は、前記ブレード翼形の一部を前記ピッチ調整軸が前記ブレードの翼端部分と交差する位置を通る鉛直方向軸を中心に後方へ時計回りに回転させることにより得られる、請求項1〜7のいずれか1項に記載のブレード(1)。
- 前記ブレードあるいはその翼形部分は、アルミニウム、鋼、プラスチック、あるいは他の好適な材料を鋳造して形成した一体型ブレードである、請求項1〜7のいずれか1項に記載のブレード(1)。
- 前記第1ブレード部分(1a)及び前記第2ブレード部分(1b)が、前記前縁に丸みを帯びた角(V)を成す、請求項1〜9のいずれか1項に記載のブレード(1)。
- 前記第1ブレード部分(1a)及び前記第2ブレード部分(1b)が、前記後縁に丸みを帯びた角(V)を成す、請求項1〜10のいずれか1項に記載のブレード(1)。
- 前記第1ブレード部分(1a)及び前記第2ブレード部分(1b)が、わずかに湾曲した前縁を有する、請求項1〜11のいずれか1項に記載のブレード。
- 前記第1ブレード部分(1a)及び前記第2ブレード部分(1b)が、わずかに湾曲した後縁を有する、請求項1〜12のいずれか1項に記載のブレード。
- 請求項1〜10の1項以上に記載のブレード(1)を備える超低騒音工業用軸流ファン。
- 二次振動モード取り付け部をさらに備える超低騒音工業用軸流ファン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP2015076713 | 2015-11-16 | ||
EPPCT/EP2015/076713 | 2015-11-16 | ||
PCT/EP2016/077874 WO2017085134A2 (en) | 2015-11-16 | 2016-11-16 | Low noise and high efficiency blade for axial fans and rotors and axial fan or rotor comprising said blade |
Publications (3)
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JP2018533695A true JP2018533695A (ja) | 2018-11-15 |
JP2018533695A5 JP2018533695A5 (ja) | 2019-08-15 |
JP6875412B2 JP6875412B2 (ja) | 2021-05-26 |
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JP2018544425A Active JP6875412B2 (ja) | 2015-11-16 | 2016-11-16 | 軸流ファン及びロータ用の低騒音高効率ブレードとそのブレードを備えた軸流ファン又はロータ |
Country Status (10)
Country | Link |
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US (1) | US11795975B2 (ja) |
EP (1) | EP3377775B1 (ja) |
JP (1) | JP6875412B2 (ja) |
KR (1) | KR20180090825A (ja) |
CN (1) | CN108431428B (ja) |
BR (1) | BR112018009900B1 (ja) |
ES (1) | ES2925267T3 (ja) |
PL (1) | PL3377775T3 (ja) |
RU (1) | RU2721214C2 (ja) |
WO (1) | WO2017085134A2 (ja) |
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CN115405538A (zh) * | 2021-05-28 | 2022-11-29 | 冷王公司 | 高效轴流式风扇 |
IT202100014219A1 (it) | 2021-05-31 | 2022-12-01 | R E M Holding S R L | Rotore e ventilatore assiale comprendenti una ventola accessoria |
IT202100026387A1 (it) * | 2021-10-14 | 2023-04-14 | Cofimco Srl | Pala per un ventilatore industriale assiale a basso rumore, ventilatore industriale assiale e procedimento per la fabbricazione di una pala di un ventilatore industriale assiale |
CN114234557A (zh) * | 2021-11-24 | 2022-03-25 | 深圳亦永生物科技有限公司 | 一种针对多孔性或海绵体的粉状物料的免烘干碰撞脱水设备 |
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2016
- 2016-11-16 ES ES16825703T patent/ES2925267T3/es active Active
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- 2016-11-16 BR BR112018009900-7A patent/BR112018009900B1/pt active IP Right Grant
- 2016-11-16 CN CN201680076644.6A patent/CN108431428B/zh active Active
- 2016-11-16 WO PCT/EP2016/077874 patent/WO2017085134A2/en active Application Filing
- 2016-11-16 KR KR1020187017120A patent/KR20180090825A/ko not_active Application Discontinuation
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020204311A (ja) * | 2019-06-19 | 2020-12-24 | Ntn株式会社 | 雰囲気撹拌ファン及び熱処理炉 |
WO2020255509A1 (ja) * | 2019-06-19 | 2020-12-24 | Ntn株式会社 | 雰囲気撹拌ファン及び熱処理炉 |
JP7389572B2 (ja) | 2019-06-19 | 2023-11-30 | Ntn株式会社 | 雰囲気撹拌ファン及び熱処理炉 |
Also Published As
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ES2925267T3 (es) | 2022-10-14 |
US20200049166A1 (en) | 2020-02-13 |
EP3377775A2 (en) | 2018-09-26 |
BR112018009900A8 (pt) | 2019-02-26 |
WO2017085134A3 (en) | 2017-06-29 |
JP6875412B2 (ja) | 2021-05-26 |
KR20180090825A (ko) | 2018-08-13 |
CN108431428A (zh) | 2018-08-21 |
US11795975B2 (en) | 2023-10-24 |
WO2017085134A2 (en) | 2017-05-26 |
BR112018009900B1 (pt) | 2022-11-22 |
EP3377775B1 (en) | 2022-05-25 |
RU2721214C2 (ru) | 2020-05-18 |
RU2018120338A3 (ja) | 2019-12-19 |
CN108431428B (zh) | 2020-06-16 |
BR112018009900A2 (pt) | 2018-11-06 |
RU2018120338A (ru) | 2019-12-19 |
PL3377775T3 (pl) | 2022-09-19 |
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