JP2012132469A - ターボファンエンジンアセンブリ - Google Patents
ターボファンエンジンアセンブリ Download PDFInfo
- Publication number
- JP2012132469A JP2012132469A JP2012071110A JP2012071110A JP2012132469A JP 2012132469 A JP2012132469 A JP 2012132469A JP 2012071110 A JP2012071110 A JP 2012071110A JP 2012071110 A JP2012071110 A JP 2012071110A JP 2012132469 A JP2012132469 A JP 2012132469A
- Authority
- JP
- Japan
- Prior art keywords
- rotor portion
- assembly
- turbofan engine
- pressure turbine
- coupled
- 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.)
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Classifications
-
- 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
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- 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
- F05D2260/00—Function
- F05D2260/40—Transmission of power
- F05D2260/403—Transmission of power through the shape of the drive components
- F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Retarders (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】 ターボファンエンジンアセンブリ(10)は、高圧圧縮機(14)、燃焼器(16)および高圧タービン(18)を有するコアガスタービンエンジン(13)と、該コアガスタービンエンジンに連結された低圧タービン(20)と、第1方向に回転するように構成された第1ロータ部分(50)および反対の第2方向に回転するように構成された第2ロータ部分(60)を有する逆回転昇圧圧縮機(22)と、該低圧タービンに連結された入力端(110)と第1および第2ロータ部分の少なくとも一方に連結された出力端(111、112)を有するギアボックス(100)とを含む。
【選択図】 図2
Description
11 長手方向軸
12 ファンアセンブリ
13 コアガスタービンエンジン
14 高圧圧縮機
15 ファンフレーム
16 燃焼器
18 高圧タービン
20 低圧タービン
22 多段昇圧圧縮機
24 ファン羽根
26 ファンのロータディスク
28 吸気側
30 排気側
31 駆動軸
32 第2の駆動軸
50 第1ロータ部分すなわち昇圧圧縮機のスプール
52 段
54 個別ディスク
56 羽根
60 第2ロータ部分すなわちスプール
62 段
64 個別ディスク
66 羽根
70 第2ロータ部分の第1段すなわち入口案内翼
72 出口案内翼
100 ギアボックス
101 ギアボックスハウジング
110 ギアボックスの入力端
111 ギアボックスの第1出力端
112 ギアボックスの第2出力端
120 コーン
121 延長軸
122 コーン
130 スラスト軸受(第1軸受アセンブリ)
140 第2軸受アセンブリ
150 第3軸受アセンブリ
160 遊星ギア
162 第1ギア部分
163 第1の直径
164 第2ギア部分
165 第2の直径
202 延長軸
204 コーン
210 スラスト軸受
220 ころ軸受
300 コーン
302 第1軸受アセンブリ
304 第2軸受アセンブリ
306 軸受アセンブリ
308 軸受アセンブリ
400 第1段
402 第1段
500 第1段
502 第1段
600 第1段
602 第1段
Claims (8)
- ファンアセンブリと、
高圧圧縮機、燃焼器、および高圧タービンを有するコアガスタービンエンジンと、
前記コアガスタービンエンジンに連結された低圧タービンと、
第1方向に回転するように構成された第1ロータ部分、および反対の第2方向に回転するように構成された第2ロータ部分を有する逆回転昇圧圧縮機と、
前記低圧タービン、前記第1ロータ部分、前記第2ロータ部分、および前記ファンアセンブリに連結されたギアを備えたギアボックスと、
を備え、
前記第1ロータ部分、前記第2ロータ部分、および前記ファンアセンブリが、前記ギアボックスの前記ギアの出力を介して前記低圧タービンによって駆動される、
ターボファンエンジンアセンブリ。 - 前記低圧タービンに連結された駆動軸をさらに備え、前記ギアボックスが前記駆動軸と前記第1ロータ部分との間に連結されて、前記第1ロータ部分が前記低圧タービンの回転速度と異なる回転速度で回転する、請求項1に記載のターボファンエンジンアセンブリ。
- 前記低圧タービンに連結された駆動軸をさらに備え、前記ギアボックスが前記駆動軸と前記第2ロータ部分との間に連結されて、前記第2ロータ部分が前記低圧タービンの回転速度と異なる回転速度で回転する、請求項1に記載のターボファンエンジンアセンブリ。
- 前記ファンアセンブリが前記ギアボックスに連結され、前記ファンアセンブリが前記低圧タービンの回転速度と異なる回転速度で回転する、請求項1に記載のターボファンエンジンアセンブリ。
- 前記低圧タービンと前記ファンアセンブリとの間に連結されたスラスト軸受アセンブリをさらに備え、前記低圧タービンと前記ファンアセンブリによって生じるスラスト荷重を円滑に吸収するとともに、残留スラスト荷重をアースに円滑に伝達する、請求項1に記載のターボファンエンジンアセンブリ。
- 前記ギアボックスが略トロイダル断面形状を有する遊星ギアボックスであり、駆動軸を実質的に囲む、請求項1に記載のターボファンエンジンアセンブリ。
- 前記第2ロータ部分は前記ギアボックスに連結されて、前記第2ロータ部分がファンアセンブリの回転方向と反対の方向に回転する、請求項1に記載のターボファンエンジンアセンブリ。
- 前記ギアボックスは、各々が第1の直径を有する第1ギア部分および第2の異なる直径を有する第2ギア部分からなる複数のギアと、前記第1ギア部分に連結された前記第1ロータ部分と、前記第2ギア部分に連結された前記第2ロータ部分とを有しており、前記第1ロータ部分が第1回転速度で回転するとともに、前記第2ロータ部分が第1回転速度未満の回転速度で回転する、請求項1に記載のターボファンエンジンアセンブリ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/555,097 US7966806B2 (en) | 2006-10-31 | 2006-10-31 | Turbofan engine assembly and method of assembling same |
US11/555,097 | 2006-10-31 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007278714A Division JP2008115859A (ja) | 2006-10-31 | 2007-10-26 | ターボファンエンジンアセンブリ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012132469A true JP2012132469A (ja) | 2012-07-12 |
JP5965691B2 JP5965691B2 (ja) | 2016-08-10 |
Family
ID=38980928
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007278714A Pending JP2008115859A (ja) | 2006-10-31 | 2007-10-26 | ターボファンエンジンアセンブリ |
JP2012071110A Expired - Fee Related JP5965691B2 (ja) | 2006-10-31 | 2012-03-27 | ターボファンエンジンアセンブリ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007278714A Pending JP2008115859A (ja) | 2006-10-31 | 2007-10-26 | ターボファンエンジンアセンブリ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7966806B2 (ja) |
EP (1) | EP1921290B1 (ja) |
JP (2) | JP2008115859A (ja) |
CA (1) | CA2607037C (ja) |
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JP2016509153A (ja) * | 2013-01-18 | 2016-03-24 | ゼネラル・エレクトリック・カンパニイ | 逆回転一体型駆動装置及びベーンレスタービンを備えたエンジン構成 |
JP2016125500A (ja) * | 2015-01-08 | 2016-07-11 | ユナイテッド テクノロジーズ コーポレイションUnited Technologies Corporation | ギア付きターボファンエンジン用の低騒音圧縮機ロータ |
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JP2016509153A (ja) * | 2013-01-18 | 2016-03-24 | ゼネラル・エレクトリック・カンパニイ | 逆回転一体型駆動装置及びベーンレスタービンを備えたエンジン構成 |
US10227928B2 (en) | 2013-01-18 | 2019-03-12 | General Electric Company | Engine architecture with reverse rotation integral drive and vaneless turbine |
JP2015137649A (ja) * | 2014-01-21 | 2015-07-30 | ユナイテッド テクノロジーズ コーポレイションUnited Technologies Corporation | ガスタービンエンジンおよびその設計方法 |
JP2016125500A (ja) * | 2015-01-08 | 2016-07-11 | ユナイテッド テクノロジーズ コーポレイションUnited Technologies Corporation | ギア付きターボファンエンジン用の低騒音圧縮機ロータ |
Also Published As
Publication number | Publication date |
---|---|
CA2607037A1 (en) | 2008-04-30 |
EP1921290A2 (en) | 2008-05-14 |
JP5965691B2 (ja) | 2016-08-10 |
CA2607037C (en) | 2015-08-04 |
JP2008115859A (ja) | 2008-05-22 |
US20080098718A1 (en) | 2008-05-01 |
EP1921290A3 (en) | 2011-06-15 |
US7966806B2 (en) | 2011-06-28 |
EP1921290B1 (en) | 2016-06-01 |
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