JP5290484B2 - 輪郭が一致するプラットホームのファンブレード - Google Patents
輪郭が一致するプラットホームのファンブレード Download PDFInfo
- Publication number
- JP5290484B2 JP5290484B2 JP2001197582A JP2001197582A JP5290484B2 JP 5290484 B2 JP5290484 B2 JP 5290484B2 JP 2001197582 A JP2001197582 A JP 2001197582A JP 2001197582 A JP2001197582 A JP 2001197582A JP 5290484 B2 JP5290484 B2 JP 5290484B2
- Authority
- JP
- Japan
- Prior art keywords
- airfoil
- platform
- blade
- root
- fan
- 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 - Fee Related
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Images
Classifications
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/327—Application in turbines in gas turbines to drive shrouded, high solidity propeller
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
-
- 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
- F05D2250/30—Arrangement of components
- F05D2250/34—Arrangement of components translated
-
- 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
- F05D2250/71—Shape curved
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12 ブレード
14 ディスク
16 シールド
18 翼形部
20 プラットホーム
22 前縁
24 後縁
26 根元
28 先端
30 正圧側面
32 負圧側面
44 環状リム
46 ハブ
48 タング
50 保持ピン
Claims (10)
- プラットホーム(20)に一体型に結合された根元(26)を持ち、その根元(26)から先端(28)まで延びる前縁及び後縁(22,24)とそれらの間に延びる対向する正圧側の第1側面(30)及び負圧側の第2側面(32)とを備える翼形部(18)を含むファンブレード(12)であって、
前記プラットホームは、前方及び後方端部(34,36)とそれらの間に延びる弓状の前側の第1側部(38)及び後側の第2側部(40)とを有し、
前記翼形部根元(26)は、前記プラットホーム第2側部(40)よりも前記第1側部(38)に近接するように横方向にオフセットされており、
前記プラットホーム第2側部(40)は、前記翼形部第1側面(30)と後縁(24)よりも前縁(22)の近くで輪郭が一致している、
ファンブレード(12)。
- 前記プラットホーム第2側部(40)は、前記翼形部の前記根元(26)と前記翼形部のスパン中央部との間の前記翼形部第1側面(30)と輪郭が一致している、請求項1記載のブレード。
- 前記プラットホーム第2側部(40)は、前記スパン中央部よりも前記根元(26)の近くの前記翼形部第1側面と輪郭が一致している、請求項2記載のブレード。
- 前記翼形部第1側面(30)が前縁(22)と後縁(24)の間で凹状であり、前記プラットホーム第2側部(40)が前記翼形部第1側面(30)と相補形の凸状である、請求項2記載のブレード。
- 前記プラットホーム第2側部(40)が、前記翼形部第1側面(30)の凸状輪郭よりも浅い輪郭を有する、請求項4記載のブレード。
- 前記翼形部が、前記根元(26)から前記先端(28)までねじれており、前記プラットホーム第2側部(40)が、前記翼形部根元(26)及び前縁(22)の近くの前記翼形部第1側面(30)と輪郭が一致している、請求項2記載のブレード。
- 前記プラットホーム第1側部(38)は、前記プラットホーム第2側部(40)と輪郭が一致している、請求項2記載のブレード。
- 前記翼形部(18)の下方で前記プラットホーム(20)から延び、それを貫通して延び保持ピン(50)を受入れる同軸に位置合わせされた孔を持つ複数の支持タング(48)をさらに含む、請求項2記載のブレード。
- 共通のハブ(46)から外方に延びる複数の環状リム(44)を持つロータディスク(14)と組み合わされ、前記タング(48)が前記リムと隣接して前記リムを軸方向に貫通して延びる前記ピン(50)を受入れて、前記ブレードを前記ロータディスク上に保持する、請求項8記載のブレード。
- 前記翼形部が前記根元(26)から先端(28)までねじれており、前記翼形部後縁(24)が、根元(26)と先端(28)の間で、前記プラットホーム第1側部(38)からプラットホーム第2側部(40)に向かって傾いており、プラットホーム第2側部(40)が翼形部後縁(24)よりも翼形部前縁(22)の近くで凸状に湾曲している、請求項2記載のブレード。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/607491 | 2000-06-30 | ||
US09/607,491 US6338611B1 (en) | 2000-06-30 | 2000-06-30 | Conforming platform fan blade |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2002115695A JP2002115695A (ja) | 2002-04-19 |
JP2002115695A5 JP2002115695A5 (ja) | 2008-08-14 |
JP5290484B2 true JP5290484B2 (ja) | 2013-09-18 |
Family
ID=24432503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001197582A Expired - Fee Related JP5290484B2 (ja) | 2000-06-30 | 2001-06-29 | 輪郭が一致するプラットホームのファンブレード |
Country Status (6)
Country | Link |
---|---|
US (1) | US6338611B1 (ja) |
EP (1) | EP1167688A3 (ja) |
JP (1) | JP5290484B2 (ja) |
CN (1) | CN100379940C (ja) |
IL (1) | IL143787A (ja) |
RU (1) | RU2272180C2 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7063505B2 (en) | 2003-02-07 | 2006-06-20 | General Electric Company | Gas turbine engine frame having struts connected to rings with morse pins |
US7261794B2 (en) * | 2003-05-16 | 2007-08-28 | International Automotive Components Group, Llc | Method and apparatus for bonding a cover to a substrate using high frequency microwaves |
US6991428B2 (en) | 2003-06-12 | 2006-01-31 | Pratt & Whitney Canada Corp. | Fan blade platform feature for improved blade-off performance |
GB0614518D0 (en) | 2006-07-21 | 2006-08-30 | Rolls Royce Plc | A fan blade for a gas turbine engine |
US9920625B2 (en) | 2011-01-13 | 2018-03-20 | Siemens Energy, Inc. | Turbine blade with laterally biased airfoil and platform centers of mass |
US9267386B2 (en) | 2012-06-29 | 2016-02-23 | United Technologies Corporation | Fairing assembly |
US10344601B2 (en) | 2012-08-17 | 2019-07-09 | United Technologies Corporation | Contoured flowpath surface |
EP2971521B1 (en) | 2013-03-11 | 2022-06-22 | Rolls-Royce Corporation | Gas turbine engine flow path geometry |
CN105756723B (zh) * | 2014-12-15 | 2017-06-06 | 中航商用航空发动机有限责任公司 | 一种主动熔断装置、方法及航空发动机 |
UA114769C2 (uk) * | 2016-06-21 | 2017-07-25 | Андрій Іванович Панфілов | Робоче колесо відцентрового вентилятора |
US10774679B2 (en) * | 2018-02-09 | 2020-09-15 | General Electric Company | Turbine engine airfoil assembly |
US11156110B1 (en) * | 2020-08-04 | 2021-10-26 | General Electric Company | Rotor assembly for a turbine section of a gas turbine engine |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2441249C3 (de) * | 1974-08-28 | 1979-01-04 | Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen | Axiallaufrad für hochtourige Turbomaschinen |
JPS53113902A (en) * | 1977-03-16 | 1978-10-04 | Hitachi Ltd | Turbine blade mounting structure |
US4621979A (en) * | 1979-11-30 | 1986-11-11 | United Technologies Corporation | Fan rotor blades of turbofan engines |
US4541778A (en) * | 1984-05-18 | 1985-09-17 | The United States Of America As Represented By The Secretary Of The Navy | Pin rooted blade biaxial air seal |
US5242270A (en) * | 1992-01-31 | 1993-09-07 | Westinghouse Electric Corp. | Platform motion restraints for freestanding turbine blades |
US5310318A (en) * | 1993-07-21 | 1994-05-10 | General Electric Company | Asymmetric axial dovetail and rotor disk |
US5443365A (en) * | 1993-12-02 | 1995-08-22 | General Electric Company | Fan blade for blade-out protection |
FR2743845B1 (fr) * | 1996-01-23 | 1998-02-20 | Snecma | Aube mobile de soufflante a profil de securite |
GB9823840D0 (en) * | 1998-10-30 | 1998-12-23 | Rolls Royce Plc | Bladed ducting for turbomachinery |
-
2000
- 2000-06-30 US US09/607,491 patent/US6338611B1/en not_active Expired - Lifetime
-
2001
- 2001-06-15 IL IL14378701A patent/IL143787A/en not_active IP Right Cessation
- 2001-06-27 EP EP01305592A patent/EP1167688A3/en not_active Withdrawn
- 2001-06-29 RU RU2001118223/06A patent/RU2272180C2/ru not_active IP Right Cessation
- 2001-06-29 JP JP2001197582A patent/JP5290484B2/ja not_active Expired - Fee Related
- 2001-07-02 CN CNB011221356A patent/CN100379940C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2002115695A (ja) | 2002-04-19 |
EP1167688A2 (en) | 2002-01-02 |
IL143787A0 (en) | 2002-04-21 |
IL143787A (en) | 2004-06-20 |
EP1167688A3 (en) | 2003-08-13 |
US6338611B1 (en) | 2002-01-15 |
RU2272180C2 (ru) | 2006-03-20 |
CN1331380A (zh) | 2002-01-16 |
CN100379940C (zh) | 2008-04-09 |
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