JP4559180B2 - 可変圧力比ファンシステムを有するガスタービンエンジン - Google Patents
可変圧力比ファンシステムを有するガスタービンエンジン Download PDFInfo
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- JP4559180B2 JP4559180B2 JP2004293834A JP2004293834A JP4559180B2 JP 4559180 B2 JP4559180 B2 JP 4559180B2 JP 2004293834 A JP2004293834 A JP 2004293834A JP 2004293834 A JP2004293834 A JP 2004293834A JP 4559180 B2 JP4559180 B2 JP 4559180B2
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- fan
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- bypass
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- stage
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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
- F02K3/06—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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/105—Final actuators by passing part of the fluid
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
-
- 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
Description
18 コアエンジン
20 高圧圧縮機
22 燃焼器
23 高圧タービン
27 低圧タービン
31 第1段ファン
33 第2段ファン
36 第2段ファンブレード
37 ファンハブセクション
39 先端セクション
40 ファンバイパスダクト
42 第1のバイパス入口
44 軸方向並進式デフレクタ
45 第1の流れスプリッタ
46 第2のバイパス入口
47 コアエンジン入口
50 環状のダクト壁
53 後部可変面積バイパスインゼクタ
55 第2の流れスプリッタ
69 テールパイプ
122 可変面積排気ノズル
130 アフタバーナ
132 第2のファンダクト
146 ファン先端ダクト
192 引込み式後方ダクト壁部分
Claims (10)
- 低圧シャフト(30)に駆動係合状態で結合されたエンジンファン(35)の軸方向に間隔を置いて配置された第1及び第2段ファン(31及び33)と、
前記第2段ファン(33)を囲むファンバイパスダクト(40)と、
前記第1及び第2段ファン(31及び33)の軸方向間に配置された、前記ファンバイパスダクト(40)への第1のバイパス入口(42)と、
前記第2段ファン(33)と環状のコアエンジン入口(47)との軸方向間に配置された、前記ファンバイパスダクト(40)への第2のバイパス入口(46)と、
第1のファンダクト(131)にわたる軸方向位置に配置された、前記第1段ファン(31)の第1段ファンブレード(32)と、第2のファンダクト(132)にわたる軸方向位置に半径方向に配置された第2段ファンブレード(36)と、を含み、
前記第2のファンダクト(132)が、前記第1のバイパス入口(42)の軸方向後方に設置されかつ前記ファンバイパスダクト(40)の半径方向内側に配置され、
回転可能ファンシュラウド(108)が、前記第2段ファンブレード(36)をそれぞれ半径方向内側ファンハブ(37)と半径方向外側先端セクション(39)とに分割し、
前記先端セクション(39)が、環状のダクト壁(50)を含むファン先端ダクト(146)内に半径方向に配置され、前記環状のダクト壁(50)が、前記回転可能ファンシュラウド(108)の前方に隣接する回転不能前方ダクト壁部分(90)を有し、
軸方向並進式デフレクタ(44)が、該デフレクタが前記第1のバイバス入口(42)を開くと前記ファン先端ダクト(146)を閉じかつ前記第1のバイパス入口(42)を閉じると前記ファン先端ダクト(146)を開くように、位置決め配置されている、
多重バイパス式ターボファン・ガスタービンエンジン(10)。
- さらに、前記デフレクタ(44)が、後方円筒形セクション(98)が後に続く前方円錐形セクション(96)を有する、請求項1記載のエンジン(10)。
- さらに、前記前方円錐形セクション(96)が、第1の流れスプリッタ(45)を有する、請求項2記載のエンジン(10)。
- さらに、前記環状のダクト壁(50)が、前記回転可能ファンシュラウド(108)の後方に隣接して設置されかつ軸方向に前記第2のバイパス入口(46)まで延びる、該環状のダクト壁(50)の回転不能後方ダクト壁部分(92)を有する、請求項1記載のエンジン(10)。
- 前記第2段ファン(33)とコアエンジン入口(47)との間で軸方向に延びる環状のオープンスペース(220)と、前記回転可能ファンシュラウド(108)の後方に位置する、前記環状のダクト壁(50)の回転不能引込み式後方ダクト壁部分(192)とをさらに含む、請求項1記載のエンジン(10)。
- 下流方向直列流れ関係でエンジンファン(35)、コアエンジン(18)及び低圧タービン(27)を含み、前記コアエンジン(18)が、下流方向直列流れ関係で高圧圧縮機(20)、燃焼器(22)及び高圧タービン(23)を含み、前記高圧圧縮機(20)が、コアエンジンシャフト(26)によって前記高圧タービンブレード(24)に駆動係合状態で結合された、多重バイパス式ターボファン・ガスタービンエンジン(10)であって、
低圧シャフト(30)によって前記低圧タービン(27)に駆動係合状態で結合された、前記エンジンファン(35)の軸方向に間隔を置いて配置された第1及び第2段ファン(31及び33)と、
前記第2段ファン(33)及びコアエンジン(18)を囲むファンバイパスダクト(40)と、
前記第1及び第2段ファン(31及び33)の軸方向間に配置された、前記ファンバイパスダクト(40)への第1のバイパス入口(42)と、
前記第2段ファン(33)と前記コアエンジン(18)への環状のコアエンジン入口(47)との軸方向間に配置された、前記ファンバイパスダクト(40)への第2のバイパス入口(46)と、
第1のファンダクト(131)にわたる軸方向位置に配置された、前記第1段ファン(31)の第1段ファンブレード(32)と、第2のファンダクト(132)にわたる軸方向位置に半径方向に配置された第2段ファンブレード(36)と、を含み、
前記第2のファンダクト(132)が、前記第1のバイパス入口(42)の軸方向後方に設置されかつ前記ファンバイパスダクト(40)の半径方向内側に配置され、
回転可能ファンシュラウド(108)が、前記第2段ファンブレード(36)をそれぞれ半径方向内側ファンハブ(37)と半径方向外側先端セクション(39)とに分割し、
前記先端セクション(39)が、環状のダクト壁(50)を含むファン先端ダクト(146)内に半径方向に配置され、前記環状のダクト壁(50)が、前記回転可能ファンシュラウド(108)の前方に隣接する回転不能前方ダクト壁部分(90)を有し、
軸方向並進式デフレクタ(44)が、該デフレクタが前記第1のバイバス入口(42)を開くと前記ファン先端ダクト(146)を閉じかつ前記第1のバイパス入口(42)を閉じると前記ファン先端ダクト(146)を開くように、位置決め配置されている、
エンジン(10)。 - さらに、
前記デフレクタ(44)が、後方円筒形セクション(98)が後に続く前方円錐形セクション(96)を有し、
前記前方円錐形セクション(96)が、第1の流れスプリッタ(45)を有し、
前記回転不能前方ダクト壁部分(90)が、第2の流れスプリッタ(55)を有する、請求項6記載のエンジン(10)。 - さらに、
前記環状のダクト壁(50)が、前記回転可能ファンシュラウド(108)の後方に隣接して設置されかつ軸方向に前記第2のバイパス入口(46)まで延びる、該環状のダクト壁(50)の回転不能後方ダクト壁部分(92)を有し、
前記デフレクタ(44)が、後に続く後方円筒形セクション(98)を含む前方円錐形セクション(96)を有し、
前記前方円錐形セクション(96)が第1の流れスプリッタ(45)を有し、また前記回転不能前方ダクト壁部分(90)が第2の流れスプリッタ(55)を有する、
請求項6記載のエンジン(10)。 - 前記第2段ファン(33)とコアエンジン入口(47)との間で軸方向に延びる環状のオープンスペース(220)と、
前記回転可能ファンシュラウド(108)の後方に位置する、前記環状のダクト壁(50)の回転不能引込み式後方ダクト壁部分(192)と、を含み、
前記ファンバイパスダクト(40)への第2のバイパス入口(46)が、前記オープンスペース(220)とコアエンジン入口(47)との軸方向間に配置され、
前記引込み式後方ダクト壁部分(192)が、前記第2のバイパス入口(46)とコアエンジン入口(47)との半径方向間に配置されている、
請求項6記載のエンジン(10)。 - 前記低圧タービン(27)と可変面積排気ノズル(122)との間で後向きに延びるテールパイプ(69)と、
前記テールパイプ(69)に開口しかつ前記ファンバイパスダクト(40)の後端部に設置された後部可変面積バイパスインゼクタ(53)と、
をさらに含む、
請求項6記載のエンジン(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/680,387 US6901739B2 (en) | 2003-10-07 | 2003-10-07 | Gas turbine engine with variable pressure ratio fan system |
Publications (3)
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JP2005113919A JP2005113919A (ja) | 2005-04-28 |
JP2005113919A5 JP2005113919A5 (ja) | 2007-11-22 |
JP4559180B2 true JP4559180B2 (ja) | 2010-10-06 |
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JP2004293834A Expired - Fee Related JP4559180B2 (ja) | 2003-10-07 | 2004-10-06 | 可変圧力比ファンシステムを有するガスタービンエンジン |
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US (1) | US6901739B2 (ja) |
EP (1) | EP1522710B1 (ja) |
JP (1) | JP4559180B2 (ja) |
CN (1) | CN100419243C (ja) |
CA (1) | CA2482324C (ja) |
DE (1) | DE602004027334D1 (ja) |
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Also Published As
Publication number | Publication date |
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CA2482324A1 (en) | 2005-04-07 |
DE602004027334D1 (de) | 2010-07-08 |
CA2482324C (en) | 2010-04-13 |
JP2005113919A (ja) | 2005-04-28 |
EP1522710A3 (en) | 2005-07-20 |
US20050072158A1 (en) | 2005-04-07 |
CN100419243C (zh) | 2008-09-17 |
EP1522710A2 (en) | 2005-04-13 |
US6901739B2 (en) | 2005-06-07 |
EP1522710B1 (en) | 2010-05-26 |
CN1657756A (zh) | 2005-08-24 |
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