JP2007218255A - 二重ターボファン・エンジン - Google Patents
二重ターボファン・エンジン Download PDFInfo
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- JP2007218255A JP2007218255A JP2007032008A JP2007032008A JP2007218255A JP 2007218255 A JP2007218255 A JP 2007218255A JP 2007032008 A JP2007032008 A JP 2007032008A JP 2007032008 A JP2007032008 A JP 2007032008A JP 2007218255 A JP2007218255 A JP 2007218255A
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- 238000013016 damping Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 18
- 239000000567 combustion gas Substances 0.000 description 8
- 230000002441 reversible effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000005534 acoustic noise Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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Classifications
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- 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
- 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
- F02K3/077—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 the plant being of the multiple flow type, i.e. having three or more flows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/06—Varying effective area of jet pipe or nozzle
- F02K1/08—Varying effective area of jet pipe or nozzle by axially moving or transversely deforming an internal member, e.g. the exhaust cone
-
- 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
- F02K3/075—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 controlling flow ratio between flows
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】 ターボファン・エンジン(10)は、タービン(26、24)にそれぞれ独立して連結された第1、第2ファン(14、16)を含む。第1バイパス管路(46)は、コアエンジンを包囲して、第2ファン(16)と連通するように配置されている。第2バイパス管路(48)は、第1バイパス管路(46)を包囲して、第1ファン(14)と連通している。第1排気ノズル(66)は、コアエンジンと第1バイパス管路(46)の両方に連結されている。また、第2排気ノズル(68)は、第2バイパス管路(48)に連結されている。
【選択図】 図1
Description
12 中心軸線
14 第1ファン
16 第2ファン
18 圧縮器
20 燃焼器
22 高圧タービン(HPT)
24 中圧タービン(IPT)
26 低圧タービン(LPT)
28 排気管路
30 空気
32 燃焼ガス
34 第1駆動軸
36 第2駆動軸
38 第3駆動軸
40 第1ケーシング
42 第2ケーシング
44 第3ケーシング
46 第1バイパス管路
48 第2バイパス管路
50 出口案内翼(OGV)
52 第1ファン羽根
54 第1ロータディスク
56 第2ファン羽根
58 第2ロータディスク
60 ファン架枠
62 後部架枠
64 ファン支柱
66 第1排気ノズル
68 第2排気ノズル
70 エンジン制御器
72 楔
74 反転支柱
76 可変バイパス・インジェクタ(VABI)
Claims (10)
- 可変サイクル・ターボファン・エンジン(10)において、
小型である単段の第2ファン(16)に連通するように直接続く、大型である単段の第1ファン(14)であって、第1および第2ファンが、それぞれ独立してタービン(26、24)に連結されている第1ファン(14)と、
圧縮器(18)と燃焼器(20)と前記圧縮器(18)に連結されたタービン(22)とを含むコアエンジンを包囲する第1バイパス管路(46)であって、前記第2ファン(16)と連通するように配置されている第1バイパス管路(46)と、
前記第1バイパス管路(46)を包囲する第2バイパス管路(48)であって、前記第1ファン(14)と連通するように配置されている第2バイパス管路(48)と、
前記コアエンジンと前記第1バイパス管路(46)の両方と連通するように連結された第1排気ノズル(66)と、
前記第2バイパス管路(48)と連通するように連結された第2排気ノズル(68)と
を有するエンジン。 - 前記第2バイパス管路(48)の入口端部内で前記第2ファン(16)の外側寄りに前記第1ファン(14)と直接連通するように配置された出口案内翼(50)の列をさらに有する、請求項1記載のエンジン。
- 前記第2ファン(16)と圧縮器(18)との間に配置されたファン架枠(60)をさらに有し、前記出口案内翼(50)の後方で前記第1、第2バイパス管路(46、48)を通って半径方向外側へ延びている支柱(64)の列を含む、請求項2記載のエンジン。
- 前記第1、第2ファン(14、16)が、正反対のエーロフォイル構成を有して、前記相応するタービン(26、24)により駆動されると逆回転する、請求項3記載のエンジン。
- 前記圧縮器(18)を包囲する第1ケーシング(40)と、
前記第1ケーシング(40)から外側寄りに離間して前記第1バイパス管路(46)を限定する第2ケーシング(42)と、
前記第2ケーシング(42)から外側寄りに離間して前記第2バイパス管路(48)を限定する第3ケーシング(44)と
をさらに有するエンジンであって、
前記第2ファン(16)が、半径方向外側に前記第1バイパス管路(46)を越えて前記第2ケーシング(42)まで延びており、
前記第1ファン(14)が、半径方向外側に前記第2バイパス管路(48)を越えて前記第3ケーシング(44)まで延びている、請求項4記載のエンジン。 - 前記第1ファン(14)が、第1スプール(34)によって第3タービン(26)に連結されており、
前記第2ファン(16)が、第2スプール(36)によって前記第3タービン(26)の前方の第2タービン(24)に独立して連結されており、
前記圧縮器(18)が、第3スプール(38)によって前記第2タービン(24)の前方の第1タービン(22)に独立して連結されており、
前記第1、第2排気ノズル(66、68)が、それぞれ前記第1、第2バイパス管路(46、48)と独立して連通するように配置されて、前記第1、第2ファン(14、16)の操作線を独立して制御する、請求項5記載のエンジン。 - 前記第1、第2排気ノズル(66、68)が可変断面積用に構成されている、請求項6記載のエンジン。
- 前記第2排気ノズル(68)が前記第1排気ノズル(66)の内側でこれと同心に配置されている、請求項6記載のエンジン。
- 前記第1排気ノズル(66)の内側でこれと同軸に配置された中央の楔(72)と、
前記第2バイパス管路(48)と前記楔(72)との間を連通するように配置された流れ反転支柱(74)の列と
をさらに有するエンジンであって、
前記第2排気ノズル(68)が、前記楔(72)の内側で前記反転支柱(74)と連通するように配置されている、
請求項6記載のエンジン。 - 前記第1バイパス管路(46)の後方端部に配置されて前記第1排気ノズル(66)へのバイパス流れを制御する可変断面積バイパス・インジェクタ(76)をさらに有する、請求項6記載のエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/352,673 US7614210B2 (en) | 2006-02-13 | 2006-02-13 | Double bypass turbofan |
US11/352,673 | 2006-02-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007218255A true JP2007218255A (ja) | 2007-08-30 |
JP5372332B2 JP5372332B2 (ja) | 2013-12-18 |
Family
ID=37899179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007032008A Expired - Fee Related JP5372332B2 (ja) | 2006-02-13 | 2007-02-13 | 二重ターボファン・エンジン |
Country Status (7)
Country | Link |
---|---|
US (1) | US7614210B2 (ja) |
JP (1) | JP5372332B2 (ja) |
CN (1) | CN101021181B (ja) |
CA (1) | CA2576696C (ja) |
FR (1) | FR2897655B1 (ja) |
GB (1) | GB2435076B (ja) |
RU (1) | RU2472961C2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010048251A (ja) * | 2008-08-25 | 2010-03-04 | General Electric Co <Ge> | ガスタービンエンジンファン抽気熱交換器システム |
JP2013130190A (ja) * | 2011-12-21 | 2013-07-04 | United Technologies Corp <Utc> | ガスタービンエンジン |
JP2014009613A (ja) * | 2012-06-29 | 2014-01-20 | Japan Aerospace Exploration Agency | 超音速航空機用排気ノズルの低騒音化方法およびその機能を備えた装置 |
JP2015038339A (ja) * | 2013-08-19 | 2015-02-26 | 独立行政法人 宇宙航空研究開発機構 | 排気ノズルおよび排気流路可変方法 |
JP2016517928A (ja) * | 2013-05-07 | 2016-06-20 | ゼネラル・エレクトリック・カンパニイ | ジェットエンジン用の2次ノズル |
JP2016517927A (ja) * | 2013-05-07 | 2016-06-20 | ゼネラル・エレクトリック・カンパニイ | ジェットエンジン用の複数ノズル分流器 |
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JP2016517928A (ja) * | 2013-05-07 | 2016-06-20 | ゼネラル・エレクトリック・カンパニイ | ジェットエンジン用の2次ノズル |
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Also Published As
Publication number | Publication date |
---|---|
CA2576696A1 (en) | 2007-08-13 |
US20070186535A1 (en) | 2007-08-16 |
CN101021181A (zh) | 2007-08-22 |
JP5372332B2 (ja) | 2013-12-18 |
RU2007105307A (ru) | 2008-08-20 |
GB2435076B (en) | 2011-05-25 |
CN101021181B (zh) | 2013-12-25 |
FR2897655A1 (fr) | 2007-08-24 |
CA2576696C (en) | 2014-12-09 |
FR2897655B1 (fr) | 2012-11-16 |
GB0702698D0 (en) | 2007-03-21 |
US7614210B2 (en) | 2009-11-10 |
GB2435076A (en) | 2007-08-15 |
RU2472961C2 (ru) | 2013-01-20 |
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