JP2006125387A - 二重反転タービンエンジン及びその組立方法 - Google Patents
二重反転タービンエンジン及びその組立方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title abstract description 8
- 239000011888 foil Substances 0.000 claims abstract description 101
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 39
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/024—Sliding-contact bearings for exclusively rotary movement for radial load only with flexible leaves to create hydrodynamic wedge, e.g. radial foil bearings
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- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- 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
-
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
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- 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
- F05D2240/50—Bearings
- F05D2240/53—Hydrodynamic or hydrostatic bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Support Of The Bearing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】 本方法は、第1の回転方向に回転するように構成された低圧タービン内側ロータ(42)を準備する段階と、第1の回転方向とは逆の第2の回転方向に回転するように構成された低圧タービン外側ロータ(38)を準備する段階と、少なくとも1つのフォイル軸受(100)を内側及び外側ロータの少なくとも1つに結合して第1の回転構成部品と第2の回転構成部品及び非回転構成部品の少なくとも1つとの間の間隙制御を向上させるのを可能にする段階とを含む。
【選択図】 図2
Description
12 前方ファン組立体
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
34 二重反転低圧タービン
36 外側ケーシング
38 外側ロータ
40 外側ロータブレード
42 内側ロータ
44 内側ロータブレード
45 ロータ支持組立体
46 後方フレーム
60 中間フレーム
100、200、300、400 フォイル軸受組立体
Claims (10)
- 第1の回転方向に回転するように構成された内側ロータ(42)と、
前記第1の回転方向とは逆の第2の回転方向に回転するように構成された外側ロータ(38)と、
前記内側及び外側ロータの少なくとも1つを支持するように構成されたフォイル軸受(100)と、
を含むロータ組立体(45)。 - 前記外側ロータ(38)が、外側ケーシング(36)の半径方向内側に結合され、かつ外側ブレード(40)の複数の軸方向に間隔を置いて配置された列(41)を含み、
前記外側ブレードが、前記外側ケーシング側から半径方向内向きに延び、
前記内側ロータ(42)が、前記外側ロータの半径方向内側に結合され、かつ内側ブレード(44)の複数の軸方向に間隔を置いて配置された列(43)を含み、
前記内側ブレードが、該内側ブレードが前記外側ブレードと軸方向に交差指状に組合さるように半径方向外向きに延びている、
請求項1記載のロータ組立体(45)。 - 前記フォイル軸受(100)が、該フォイル軸受が前記外側ロータを囲むように外側ロータ(38)に結合されている、請求項1記載のロータ組立体(45)。
- 前記外側ロータ(38)の外周部の周りにほぼ等間隔で円周方向に間隔を置いて配置された複数のフォイル軸受(102)をさらに含む、請求項1記載のロータ組立体(45)。
- 前記内側ロータ(42)と第1のファン(14)とに結合された第1のシャフト(22)と、
前記外側ロータ(38)と第2のファン(12)とに結合された第2のシャフト(20)と、
前記第1及び第2のシャフト間に配置された差動フォイル軸受(300)と、
をさらに含む、請求項1記載のロータ組立体(45)。 - 第1の回転方向に回転するように構成された内側ロータ(42)と、前記第1の回転方向とは逆の第2の回転方向に回転するように構成された外側ロータ(38)とを含む二重反転低圧タービン(34)と、
前記内側及び外側ロータの少なくとも1つを支持するように構成されたフォイル軸受(100)と、
を含むガスタービンエンジン(10)。 - 前記外側ロータ(38)が、外側ケーシング(36)の半径方向内側に結合され、かつ外側ブレード(40)の複数の軸方向に間隔を置いて配置された列(41)を含み、
前記外側ブレードが、前記外側ケーシング側から半径方向内向きに延び、
前記内側ロータ(42)が、前記外側ロータの半径方向内側に結合され、かつ内側ブレード(44)の複数の軸方向に間隔を置いて配置された列(43)を含み、
前記内側ブレードが、該内側ブレードが前記外側ブレードと軸方向に交差指状に組合さるように半径方向外向きに延びている、
請求項6記載のガスタービンエンジン(10)。 - 前記フォイル軸受(100)が、該フォイル軸受が前記外側ロータを囲むように外側ロータ(38)に結合されている、請求項6記載のガスタービンエンジン(10)。
- 前記内側ロータ(42)と第1のファン(14)とに結合された第1のシャフト(22)と、
前記外側ロータ(38)と第2のファン(12)とに結合された第2のシャフト(20)と、
前記第1及び第2のシャフト間に配置された差動フォイル軸受(300)と、
をさらに含む、請求項6記載のガスタービンエンジン(10)。 - 高圧タービンスプール(410)と、
低圧タービン(34)第1段ノズル(412)及びタービン中間フレーム(60)の少なくとも1つと、
前記低圧タービン第1段ノズル及びタービン中間フレームの少なくとも1つとの間で結合されて、高圧タービン(30)を支持するようになったフォイル軸受(400)と、
をさらに含む、請求項6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 |
---|---|---|---|
US10/976,496 | 2004-10-29 | ||
US10/976,496 US7195446B2 (en) | 2004-10-29 | 2004-10-29 | Counter-rotating turbine engine and method of assembling same |
Publications (3)
Publication Number | Publication Date |
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JP2006125387A true JP2006125387A (ja) | 2006-05-18 |
JP2006125387A5 JP2006125387A5 (ja) | 2008-10-09 |
JP4693551B2 JP4693551B2 (ja) | 2011-06-01 |
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JP2005245340A Active JP4693551B2 (ja) | 2004-10-29 | 2005-08-26 | 二重反転タービンエンジン及びその組立方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7195446B2 (ja) |
EP (1) | EP1655475B1 (ja) |
JP (1) | JP4693551B2 (ja) |
CN (1) | CN1854486B (ja) |
DE (1) | DE602005003759T2 (ja) |
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JP2004084877A (ja) * | 2002-08-28 | 2004-03-18 | Honda Motor Co Ltd | フォイル軸受け |
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US5806303A (en) * | 1996-03-29 | 1998-09-15 | General Electric Company | Turbofan engine with a core driven supercharged bypass duct and fixed geometry nozzle |
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US5867980A (en) * | 1996-12-17 | 1999-02-09 | General Electric Company | Turbofan engine with a low pressure turbine driven supercharger in a bypass duct operated by a fuel rich combustor and an afterburner |
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US6763654B2 (en) * | 2002-09-30 | 2004-07-20 | General Electric Co. | Aircraft gas turbine engine having variable torque split counter rotating low pressure turbines and booster aft of counter rotating fans |
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2004
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2005
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- 2005-08-25 DE DE602005003759T patent/DE602005003759T2/de active Active
- 2005-08-26 JP JP2005245340A patent/JP4693551B2/ja active Active
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JPH10238364A (ja) * | 1997-02-20 | 1998-09-08 | Soc Natl Etud Constr Mot Aviat <Snecma> | 最適化された圧縮システムをもつタービンエンジン |
JP2003254083A (ja) * | 2002-03-01 | 2003-09-10 | General Electric Co <Ge> | タービン間エンジンフレームによって支持された二重反転式低圧タービンロータを備える航空機用エンジン |
JP2003286857A (ja) * | 2002-03-01 | 2003-10-10 | General Electric Co <Ge> | 高い全圧力比の圧縮機を備えた二重反転式航空機用ガスタービンエンジン |
JP2004084877A (ja) * | 2002-08-28 | 2004-03-18 | Honda Motor Co Ltd | フォイル軸受け |
Also Published As
Publication number | Publication date |
---|---|
CN1854486A (zh) | 2006-11-01 |
EP1655475A1 (en) | 2006-05-10 |
JP4693551B2 (ja) | 2011-06-01 |
DE602005003759T2 (de) | 2008-12-04 |
EP1655475B1 (en) | 2007-12-12 |
US7195446B2 (en) | 2007-03-27 |
CN1854486B (zh) | 2011-08-24 |
US20060093466A1 (en) | 2006-05-04 |
DE602005003759D1 (de) | 2008-01-24 |
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