JP2007154901A - ターボファンエンジン - Google Patents
ターボファンエンジン Download PDFInfo
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- JP2007154901A JP2007154901A JP2006332427A JP2006332427A JP2007154901A JP 2007154901 A JP2007154901 A JP 2007154901A JP 2006332427 A JP2006332427 A JP 2006332427A JP 2006332427 A JP2006332427 A JP 2006332427A JP 2007154901 A JP2007154901 A JP 2007154901A
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- shroud
- duct
- bleed
- scoop
- inlet
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- 230000000740 bleeding effect Effects 0.000 claims abstract 2
- 230000010355 oscillation Effects 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 2
- 230000002542 deteriorative effect Effects 0.000 abstract 2
- 238000011144 upstream manufacturing Methods 0.000 description 12
- 238000013461 design Methods 0.000 description 11
- 230000001629 suppression Effects 0.000 description 10
- 238000011084 recovery Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
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- 238000000605 extraction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000000452 restraining effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
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- 229910052719 titanium Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Images
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
- F02K3/06—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
- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
- F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
-
- 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
- F02C7/32—Arrangement, mounting, or driving, of auxiliaries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0021—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for aircrafts or cosmonautics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/10—Particular pattern of flow of the heat exchange media
- F28F2250/106—Particular pattern of flow of the heat exchange media with cross flow
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】抽気ダクト(42)が、ターボファン航空機エンジン(10)内のファンバイパスダクト(32)からファンエアを抽気するように構成される。抽気ダクト(42)には、両端に吸気口(50)および排気口(52)を有する管状導管(48)が含まれる。導管(48)は、フローエリア内で、それを通って抽気されるスピーディングファンエアから圧力を回復するように構成される。シュラウド(60、68、70、72、74)が、圧力回復を劣化させずに導管(48)の内側の動圧振動を抑制するためにダクト吸気口(50)から前に延びる。
【選択図】図2
Description
12 支持パイロン
14 航空機
16 ファン
18 コアエンジン
20 ファンケーシング
22 ファンストラット
24 排気口案内羽根(OGV)
26 圧縮器
28 空気
30 燃焼ガス
32 ファンバイパスダクト
34 抽気システム
36 主抽気回路
38 熱交換器
40 副抽気回路
42 ファン抽気ダクト
44 制御弁
46 分岐
48 管状導管
50 ダクト吸気口
52 ダクト排気口
54 ベローズ
56 スクープ
58 吸気口ランプ
60 抑制シュラウド(I)
62 シュラウド吸気口
64 横開口
66 支持脚
68 シュラウド(II)
70 シュラウド(III)
72 シュラウド(IV)
74 シュラウド(V)
Claims (10)
- その中に多段圧縮器(26)を含むコアエンジン(18)によって動力を与えられるファン(16)、および前記コアエンジン(18)を囲むファンバイパスダクト(32)と、
熱交換器(38)と流体が通じるよう接合された、加圧された空気を前記圧縮器(26)から抽気する主抽気回路(36)、および前記熱交換器(38)と流体が通じるよう接合された、抽気されたファンエアを前記ファンバイパスダクト(32)から抽気する副抽気回路(40)を含む抽気システム(34)と
を含み、前記副抽気回路(40)が、前記バイパスダクト(32)に接合されたダクト吸気口(50)および前記熱交換器(38)に弁(44)によって接合されたダクト排気口(52)を有する抽気導管(48)と、前記弁(44)が閉じられた時の前記抽気導管(48)の内部の圧力振動を抑制する、前記バイパスダクト(32)の内側で前記ダクト吸気口(50)から前に延びるシュラウド(60)とを含む
ターボファンエンジン(10)。 - 前記シュラウド(60)が、前記バイパスダクト(32)の内側に突き出し、前記ダクト吸気口(50)と同一の広がりをもち、その前側端に前記ダクト吸気口(50)から前に離されたシュラウド吸気口(62)を含む、請求項1記載のエンジン。
- 前記ダクト吸気口(50)および前記ダクト排気口(52)が、前記ダクト吸気口(50)を含み前記バイパスダクト(32)の内側に突き出す横にオフセットしたスクープ(56)を形成するために前記導管(48)の縦軸に沿って横にオフセットされ、
前記シュラウド(60)が、その中の前記ダクト吸気口(50)で前記スクープ(56)と同一の広がりをもつ
請求項2記載のエンジン。 - 前記抽気導管(48)が、さらに、前記バイパスダクト(32)の内側で前記スクープ吸気口(50)から前に延びる吸気口ランプ(58)を含み、
前記スクープ(56)が、横にアーチ状であり、無孔であり、
前記シュラウド(60)が、横にアーチ状であり、無孔であり、前記吸気口ランプ(58)の上に配置される
請求項3記載のエンジン。 - 前記シュラウド(60)が、前記スクープ(56)の前記前側端に一体に接合される、請求項4記載のエンジン。
- 前記シュラウド(60)が、周囲において前記スクープ(56)より狭く、前記スクープ吸気口(50)の前で横に開かれている、請求項5記載のエンジン。
- 前記シュラウド(60)が、その上に前記シュラウドを支持するために前記導管(48)に固定して接合された、前記シュラウド(60)の前記前側端の支持脚(66)の対を含む、請求項6記載のエンジン。
- 前記シュラウド(68)が、前記スクープ(56)から片持ちにされる、請求項6記載のエンジン。
- 前記シュラウド(68)が、その中央部で最大長さを有し、その両側面に沿って長さが減る、請求項8記載のエンジン。
- 前記シュラウド(72、74)が前記スクープ(56)から離間する、請求項4記載のエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/297,698 | 2005-12-08 | ||
US11/297,698 US7607308B2 (en) | 2005-12-08 | 2005-12-08 | Shrouded turbofan bleed duct |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007154901A true JP2007154901A (ja) | 2007-06-21 |
JP4815335B2 JP4815335B2 (ja) | 2011-11-16 |
Family
ID=37622144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006332427A Expired - Fee Related JP4815335B2 (ja) | 2005-12-08 | 2006-12-08 | ターボファンエンジン |
Country Status (5)
Country | Link |
---|---|
US (1) | US7607308B2 (ja) |
EP (1) | EP1795708B1 (ja) |
JP (1) | JP4815335B2 (ja) |
CN (1) | CN101025117B (ja) |
CA (1) | CA2570604C (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009052561A (ja) * | 2007-08-28 | 2009-03-12 | General Electric Co <Ge> | 抽気ダクト内における動圧不安定性を抑制するための装置及び方法 |
JP2014509710A (ja) * | 2011-03-29 | 2014-04-21 | シーメンス エナジー インコーポレイテッド | タービン燃焼システムの冷却スクープ |
JP2015514909A (ja) * | 2012-04-25 | 2015-05-21 | ゼネラル・エレクトリック・カンパニイ | 航空機エンジン駆動軸収容室アセンブリ及び航空機エンジン駆動軸収容室アセンブリを組み付ける方法 |
JP2015157554A (ja) * | 2014-02-24 | 2015-09-03 | 三菱航空機株式会社 | 航空機、航空機のエンジンパイロン、および航空機の機体へのエンジン取付方法 |
JP2020037393A (ja) * | 2018-07-19 | 2020-03-12 | ザ・ボーイング・カンパニーThe Boeing Company | 動力付き予冷器ファンアセンブリ |
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JP2015514909A (ja) * | 2012-04-25 | 2015-05-21 | ゼネラル・エレクトリック・カンパニイ | 航空機エンジン駆動軸収容室アセンブリ及び航空機エンジン駆動軸収容室アセンブリを組み付ける方法 |
US9657646B2 (en) | 2012-04-25 | 2017-05-23 | General Electric Company | Aircraft engine driveshaft vessel assembly and method of assembling the same |
JP2015157554A (ja) * | 2014-02-24 | 2015-09-03 | 三菱航空機株式会社 | 航空機、航空機のエンジンパイロン、および航空機の機体へのエンジン取付方法 |
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Also Published As
Publication number | Publication date |
---|---|
EP1795708A3 (en) | 2012-12-05 |
CN101025117B (zh) | 2011-09-07 |
US7607308B2 (en) | 2009-10-27 |
JP4815335B2 (ja) | 2011-11-16 |
EP1795708B1 (en) | 2014-02-26 |
CA2570604C (en) | 2014-09-09 |
CA2570604A1 (en) | 2007-06-08 |
CN101025117A (zh) | 2007-08-29 |
US20070130912A1 (en) | 2007-06-14 |
EP1795708A2 (en) | 2007-06-13 |
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