JP2006125400A - 二重反転ガスタービンエンジン及びそれを組立てる方法 - Google Patents
二重反転ガスタービンエンジン及びそれを組立てる方法 Download PDFInfo
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- JP2006125400A JP2006125400A JP2005307939A JP2005307939A JP2006125400A JP 2006125400 A JP2006125400 A JP 2006125400A JP 2005307939 A JP2005307939 A JP 2005307939A JP 2005307939 A JP2005307939 A JP 2005307939A JP 2006125400 A JP2006125400 A JP 2006125400A
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- fan assembly
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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
- F02K3/072—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 counter-rotating, e.g. fan rotors
-
- 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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
- F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
- F02C3/067—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages having counter-rotating rotors
-
- 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
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- 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)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】本方法は、第1の回転方向に第1の回転速度で回転するように構成された複数のロータブレード(19)を含む第1のファン組立体(12)を設ける段階と、第2の回転方向に回転するように構成された複数のロータブレードを含む第2のファン組立体(14)を第1のファン組立体の軸方向後方に回転可能に結合する段階と、第2のファン組立体を第1の回転速度とは異なる第2の回転速度で回転させるように構成されたギヤボックス(102)を該第2のファン組立体に結合する段階とを含む。
【選択図】図2
Description
14 後方ファン組立体
20、22 ファンシャフト
24 コアエンジン
26 高圧圧縮機
28 燃焼器
30 高圧タービン
100 ガスタービンエンジン
102 ギヤボックス組立体
104 二重反転低圧タービン
106 第1のタービンロータ
108 第2のタービンロータ
110 第1のシャフト
112 第2のシャフト
124 ブースタ圧縮機
Claims (10)
- 第1の回転方向にかつ第1の回転速度で回転するように構成された複数のロータブレード(19)を含む第1のファン組立体(12)と、
前記第1のファン組立体の軸方向後方に結合され、第2の回転方向に回転するように構成された複数のロータブレードを含む第2のファン組立体(14)と、
前記第2のファン組立体に結合され、該第2のファン組立体を前記第1の回転速度とは異なる第2の回転速度で回転させるように構成されたギヤボックス(102)と、を含む、
ファン組立体。 - 前記ギヤボックス(102)が、3.5対1にほぼ等しいギヤ比を有する、請求項1記載のファン組立体。
- 前記第2のファン組立体(14)が、前記第1のファン組立体(12)の軸方向後方に結合されている、請求項1記載のファン組立体。
- 前記第2の回転速度が、前記第1の回転速度よりも低い、請求項1記載のファン組立体。
- 前記第1のファン組立体(12)が、第1のタービンロータ(108)に結合され、前記第2のファン組立体(14)が、前記第1のタービンロータの軸方向前方に配置された第2のタービンロータ(106)に対して、前記ギヤボックス(102)が該第2のファン組立体と該第2のタービンロータとの間に結合された状態で結合されている、請求項1記載のファン組立体。
- 前記第1のタービンロータ(108)が、第1の複数のタービンブレード(150)列(152)を含み、前記第2のタービンロータ(106)が、前記第1の複数のタービンブレード列とは異なる第2の複数のタービンブレード(130)列(132)を含む、請求項5記載のファン組立体。
- 第1の回転方向にかつ第1の回転速度で回転するように構成された複数のロータブレード(19)を含む第1のファン組立体(12)と、
前記第1のファン組立体の軸方向後方に結合され、第2の回転方向に回転するように構成された複数のロータブレードを含む第2のファン組立体(14)と、
前記第2のファン組立体に結合され、該第2のファン組立体を前記第1の回転速度とは異なる第2の回転速度で回転させるように構成されたギヤボックス(102)と、を含む、
ガスタービンエンジン(10)。 - 前記ギヤボックス(102)が、前記第2の回転速度が前記第1の回転速度よりも低くなるように、3.5対1にほぼ等しいギヤ比を有する、請求項7記載のガスタービンエンジン(10)。
- 前記第1のファン組立体(12)に結合された第1の低圧タービンロータ(108)と、
前記ギヤボックス(102)に結合された第2の低圧タービンロータ(106)と、をさらに含み、
前記第2のタービンロータの少なくとも一部分が前記第1のタービンロータの少なくとも一部分の上流に配置されている、
請求項7記載のガスタービンエンジン(10)。 - 前記第2のファン組立体(14)と前記第2のタービンロータ(106)との間に結合されたシャフト(112)と、
前記第2のファン組立体と前記第2のタービンロータとの間に結合された状態で、前記シャフトに結合されたブースタ圧縮機(124)と、をさらに含む、
請求項9記載のガスタービンエンジン(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/977,075 | 2004-10-29 | ||
US10/977,075 US7334392B2 (en) | 2004-10-29 | 2004-10-29 | Counter-rotating gas turbine engine and method of assembling same |
Publications (2)
Publication Number | Publication Date |
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JP2006125400A true JP2006125400A (ja) | 2006-05-18 |
JP4906311B2 JP4906311B2 (ja) | 2012-03-28 |
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Application Number | Title | Priority Date | Filing Date |
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JP2005307939A Expired - Fee Related JP4906311B2 (ja) | 2004-10-29 | 2005-10-24 | 二重反転ガスタービンエンジン及びそれを組立てる方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7334392B2 (ja) |
EP (1) | EP1653064B1 (ja) |
JP (1) | JP4906311B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008115858A (ja) * | 2006-10-31 | 2008-05-22 | General Electric Co <Ge> | ターボファンエンジンアセンブリ |
JP2008115856A (ja) * | 2006-10-31 | 2008-05-22 | General Electric Co <Ge> | ガスタービンエンジンアセンブリ |
JP2008115859A (ja) * | 2006-10-31 | 2008-05-22 | General Electric Co <Ge> | ターボファンエンジンアセンブリ |
JP2010144724A (ja) * | 2008-12-19 | 2010-07-01 | General Electric Co <Ge> | 歯車型差動速度二重反転式低圧タービン |
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JP2008115858A (ja) * | 2006-10-31 | 2008-05-22 | General Electric Co <Ge> | ターボファンエンジンアセンブリ |
JP2008115856A (ja) * | 2006-10-31 | 2008-05-22 | General Electric Co <Ge> | ガスタービンエンジンアセンブリ |
JP2008115859A (ja) * | 2006-10-31 | 2008-05-22 | General Electric Co <Ge> | ターボファンエンジンアセンブリ |
JP2012132469A (ja) * | 2006-10-31 | 2012-07-12 | General Electric Co <Ge> | ターボファンエンジンアセンブリ |
JP2012132462A (ja) * | 2006-10-31 | 2012-07-12 | General Electric Co <Ge> | ガスタービンエンジンアセンブリ |
JP2010144724A (ja) * | 2008-12-19 | 2010-07-01 | General Electric Co <Ge> | 歯車型差動速度二重反転式低圧タービン |
Also Published As
Publication number | Publication date |
---|---|
US20060090451A1 (en) | 2006-05-04 |
EP1653064A2 (en) | 2006-05-03 |
EP1653064A3 (en) | 2011-05-04 |
US7334392B2 (en) | 2008-02-26 |
JP4906311B2 (ja) | 2012-03-28 |
EP1653064B1 (en) | 2013-12-11 |
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