JP2011521153A - ファンブレードの保持および可変ピッチのためのシステム - Google Patents
ファンブレードの保持および可変ピッチのためのシステム Download PDFInfo
- Publication number
- JP2011521153A JP2011521153A JP2011509638A JP2011509638A JP2011521153A JP 2011521153 A JP2011521153 A JP 2011521153A JP 2011509638 A JP2011509638 A JP 2011509638A JP 2011509638 A JP2011509638 A JP 2011509638A JP 2011521153 A JP2011521153 A JP 2011521153A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- pitch
- gear
- rotatable hub
- tenon
- 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
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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
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/322—Blade mountings
- F04D29/323—Blade mountings adjustable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D7/00—Rotors with blades adjustable in operation; Control thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
- F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Toys (AREA)
- Gears, Cams (AREA)
Abstract
【解決手段】航空機のエンジンのローターブレードにおける可変ピッチを提供するためのシステムは、回転可能なハブ、当該回転可能なハブに設置される少なくとも一つのブレード、当該回転可能なハブに作動可能な状態で繋がっているギアメカニズム、当該ギアメカニズムに回転可能かつ作動可能な状態で繋がっているタイミングリング、並びに当該タイミングリングと回転可能なハブの上に設置される少なくとも一つのブレードとを作動可能な状態で繋げているピッチアームを備えている。本システムの運転において、ギアメカニズムは、タイミングリングの回転をもたらし、回転可能なハブの上に設置される少なくとも一つのブレードのピッチを変化させる。
【選択図】図1
Description
Claims (12)
- 回転可能なハブと、
前記回転可能なハブの上に設置される少なくとも一つのブレードと、
前記回転可能なハブに対して作動可能な状態で繋がっているギアメカニズムと、
前記ギアメカニズムに対して回転可能な状態および作動可能な状態で繋がっているタイミングリングと、
前記タイミングリングと、前記回転可能なハブの上に設置される少なくとも一つのブレードとを作動可能な状態で繋げているピッチアームと
を備え、
前記ギアメカニズムは、前記回転可能なハブに設置されるギアフレームと、前記ギアフレームに作動可能な状態で設置される分割されたギアとを有し、
前記ギアメカニズムの作動により前記タイミングリングが回転し、前記回転可能なハブの上に設置される少なくとも一つのブレードのピッチが変化する
航空機のエンジンのローターブレードにおける可変ピッチを提供するシステム。 - 前記少なくとも一つのブレードを前記回転可能なハブに繋げる柔軟性のあるほぞを備える
請求項1に記載のシステム。 - 前記柔軟性のあるほぞは、カーボンファイバーの材料から作られている
請求項2に記載のシステム。 - ピンを備え、
前記回転可能なハブの上に設置される少なくとも一つのブレードは前記ピンに繋がっており、前記ピンは前記回転可能なハブに繋がっている
請求項1に記載のシステム。 - 前記少なくとも一つのブレードはブレードほぞを有し、前記ブレードほぞは前記回転可能なハブから延伸しているサポートほぞに繋がっており、前記ブレードほぞおよび前記サポートほぞはピンに繋がっている
請求項1に記載のシステム。 - 前記少なくとも一つのブレードは、前記回転可能なハブから延伸するポストの上に回転可能な状態で設置されている
請求項1に記載のシステム。 - 前記分割されたギアに対して作動可能な状態で繋がっているドライブメカニズムを備える
請求項1に記載のシステム。 - 前記分割されたギアに対するドライブメカニズムの作動可能な連結はウォームおよびウォームギアの配列を伴い、前記ウォームおよびウォームギアの配列の作動は前記分割されたギアおよび前記タイミングリングの回転をもたらす
請求項7に記載のシステム。 - 前記ピッチアームは、前記少なくとも一つのブレードが取り付けられる受け台に対して作動可能な状態で繋がっている
請求項1に記載のシステム。 - 前記柔軟性のあるほぞは、線維性のポリアミドから作られている
請求項2に記載のシステム。 - 前記柔軟性のあるほぞは、線維性のガラスから作られている
請求項2に記載のシステム。 - 前記柔軟性のあるほぞは、樹脂マトリックスシステムに属する繊維性の材料から作られている
請求項2に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5271708P | 2008-05-13 | 2008-05-13 | |
US61/052,717 | 2008-05-13 | ||
PCT/US2009/043738 WO2009142973A2 (en) | 2008-05-13 | 2009-05-13 | Fan blade retention and variable pitch system |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2011521153A true JP2011521153A (ja) | 2011-07-21 |
Family
ID=41279298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011509638A Pending JP2011521153A (ja) | 2008-05-13 | 2009-05-13 | ファンブレードの保持および可変ピッチのためのシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8075270B2 (ja) |
EP (1) | EP2286078A2 (ja) |
JP (1) | JP2011521153A (ja) |
CN (1) | CN102066768A (ja) |
CA (1) | CA2724083C (ja) |
WO (1) | WO2009142973A2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015520328A (ja) * | 2012-06-25 | 2015-07-16 | スネクマ | ファンディスクの差動回転による可変設定を有するファン |
WO2015133639A1 (ja) * | 2014-03-03 | 2015-09-11 | 宣彦 内藤 | 複合反動エンジンの羽 |
JP2016540924A (ja) * | 2013-11-29 | 2016-12-28 | スネクマ | 特にタービンエンジン用のファン |
Families Citing this family (31)
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FR2964943B1 (fr) * | 2010-09-20 | 2012-10-05 | Snecma | Dispositif d'etancheite a fourreau pour la traversee de cloison par une biellette d'un systeme de commande de l'orientation des pales de soufflante d'un turbopropulseur |
DE102012000889A1 (de) * | 2012-01-18 | 2013-07-18 | Rolls-Royce Deutschland Ltd & Co Kg | Fluggasturbine mit justierbarem Fan |
CN102536862B (zh) * | 2012-01-30 | 2014-04-02 | 西北工业大学 | 一种摆线桨风扇 |
WO2014055122A1 (en) * | 2012-10-01 | 2014-04-10 | United Technologies Corporation | Geared turbofan high gearbox power density |
FR3001264B1 (fr) * | 2013-01-18 | 2017-03-17 | Snecma | Systeme pour changer le pas des pales d'une helice. |
DE102013102558B4 (de) * | 2013-03-13 | 2017-06-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Rotorblatt und Verfahren zur Herstellung eines Rotorblatts |
IL228274A (en) * | 2013-09-03 | 2016-10-31 | Israel Aerospace Ind Ltd | Fan Turbo Engine and Method of Removing Fan Fan Turbo |
US9869190B2 (en) | 2014-05-30 | 2018-01-16 | General Electric Company | Variable-pitch rotor with remote counterweights |
US10072510B2 (en) | 2014-11-21 | 2018-09-11 | General Electric Company | Variable pitch fan for gas turbine engine and method of assembling the same |
US9963981B2 (en) * | 2015-06-10 | 2018-05-08 | General Electric Company | Pitch change mechanism for shrouded fan with low fan pressure ratio |
US9835037B2 (en) | 2015-06-22 | 2017-12-05 | General Electric Company | Ducted thrust producing system with asynchronous fan blade pitching |
US10100653B2 (en) | 2015-10-08 | 2018-10-16 | General Electric Company | Variable pitch fan blade retention system |
US9771878B2 (en) | 2015-10-19 | 2017-09-26 | General Electric Company | Thrust scheduling method for variable pitch fan engines and turbo-shaft, turbo-propeller engines |
US10731661B2 (en) | 2015-12-18 | 2020-08-04 | Raytheon Technologies Corporation | Gas turbine engine with short inlet and blade removal feature |
FR3046409B1 (fr) * | 2016-01-05 | 2018-02-09 | Safran Aircraft Engines | Systeme de commande de l'orientation des pales de soufflante d'une turbomachine a pion de blocage de mise en drapeau |
US20170218975A1 (en) * | 2016-01-29 | 2017-08-03 | United Technologies Corporation | Variable pitch fan blade arrangement for gas turbine engine |
US10934866B2 (en) | 2017-06-20 | 2021-03-02 | Rolls-Royce North American Technologies Inc. | Variable pitch change control method |
US10801339B2 (en) | 2017-07-11 | 2020-10-13 | General Electric Company | Aircraft gas turbine engine variable fan blade mechanism |
IT201800003771A1 (it) * | 2018-03-20 | 2019-09-20 | Leonardo Valentini | Variatore automatico del passo delle pale per turboventole di motori aeronautici con comando senza contatto tra statore e mozzo rotante |
US11118464B2 (en) | 2018-10-11 | 2021-09-14 | General Electric Company | Aircraft gas turbine engine blade pitch change mechanism |
US11359500B2 (en) | 2018-10-18 | 2022-06-14 | Raytheon Technologies Corporation | Rotor assembly with structural platforms for gas turbine engines |
US11136888B2 (en) | 2018-10-18 | 2021-10-05 | Raytheon Technologies Corporation | Rotor assembly with active damping for gas turbine engines |
US10822969B2 (en) | 2018-10-18 | 2020-11-03 | Raytheon Technologies Corporation | Hybrid airfoil for gas turbine engines |
US11092020B2 (en) | 2018-10-18 | 2021-08-17 | Raytheon Technologies Corporation | Rotor assembly for gas turbine engines |
US11306601B2 (en) | 2018-10-18 | 2022-04-19 | Raytheon Technologies Corporation | Pinned airfoil for gas turbine engines |
US10774653B2 (en) | 2018-12-11 | 2020-09-15 | Raytheon Technologies Corporation | Composite gas turbine engine component with lattice structure |
US11073030B1 (en) | 2020-05-21 | 2021-07-27 | Raytheon Technologies Corporation | Airfoil attachment for gas turbine engines |
CN112027069A (zh) * | 2020-08-26 | 2020-12-04 | 安徽晟东科技有限公司 | 一种无人机旋翼及旋翼防护框架 |
US11674435B2 (en) | 2021-06-29 | 2023-06-13 | General Electric Company | Levered counterweight feathering system |
US11795964B2 (en) | 2021-07-16 | 2023-10-24 | General Electric Company | Levered counterweight feathering system |
FR3138836A1 (fr) * | 2022-08-11 | 2024-02-16 | Safran Aircraft Engines | Ensemble comportant un anneau et un manchon de support pivotant de pied d’aubes a calage variable, turbomachine equipee d’un tel ensemble et procede de demontage d’un tel ensemble |
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2009
- 2009-05-13 CA CA2724083A patent/CA2724083C/en not_active Expired - Fee Related
- 2009-05-13 WO PCT/US2009/043738 patent/WO2009142973A2/en active Application Filing
- 2009-05-13 EP EP09751202A patent/EP2286078A2/en not_active Withdrawn
- 2009-05-13 US US12/465,163 patent/US8075270B2/en active Active
- 2009-05-13 CN CN2009801208292A patent/CN102066768A/zh active Pending
- 2009-05-13 JP JP2011509638A patent/JP2011521153A/ja active Pending
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JPH06272738A (ja) * | 1993-03-18 | 1994-09-27 | Osada Chuo Kenkyusho:Kk | 減速伝達装置 |
WO2006086342A2 (en) * | 2005-02-07 | 2006-08-17 | Aerocomposites, Inc. | Variable pitch rotor blade with double flexible retention elements |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015520328A (ja) * | 2012-06-25 | 2015-07-16 | スネクマ | ファンディスクの差動回転による可変設定を有するファン |
JP2016540924A (ja) * | 2013-11-29 | 2016-12-28 | スネクマ | 特にタービンエンジン用のファン |
US10436212B2 (en) | 2013-11-29 | 2019-10-08 | Safran Aircraft Engines | Fan, in particular for a turbine engine |
WO2015133639A1 (ja) * | 2014-03-03 | 2015-09-11 | 宣彦 内藤 | 複合反動エンジンの羽 |
Also Published As
Publication number | Publication date |
---|---|
US20090285686A1 (en) | 2009-11-19 |
EP2286078A2 (en) | 2011-02-23 |
CN102066768A (zh) | 2011-05-18 |
WO2009142973A2 (en) | 2009-11-26 |
WO2009142973A3 (en) | 2010-01-21 |
CA2724083C (en) | 2012-11-27 |
CA2724083A1 (en) | 2009-11-26 |
WO2009142973A4 (en) | 2010-03-18 |
US8075270B2 (en) | 2011-12-13 |
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