JP2005069222A5 - - Google Patents

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JP2005069222A5
JP2005069222A5 JP2004186143A JP2004186143A JP2005069222A5 JP 2005069222 A5 JP2005069222 A5 JP 2005069222A5 JP 2004186143 A JP2004186143 A JP 2004186143A JP 2004186143 A JP2004186143 A JP 2004186143A JP 2005069222 A5 JP2005069222 A5 JP 2005069222A5
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Japan
Prior art keywords
fan
engine
counter
vane
flade
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JP2004186143A
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JP2005069222A (ja
JP4856366B2 (ja
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Priority claimed from US10/647,881 external-priority patent/US7246484B2/en
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Claims (10)

  1. 軸方向に間隔をおいて配置された第1及び第2の二重反転ファン(130、132)と、
    前記第1及び第2の二重反転ファン(130、132)の1つの半径方向外側に配置されかつ該第1及び第2の二重反転ファンの1つに駆動結合されたFLADEファンブレード(5)の少なくとも1つの列と、
    を含むFLADE二重反転ファン式航空機ガスタービンエンジン(1)。
  2. 前記第1の二重反転ファン(130)に駆動結合された第2の低圧タービン(21)と、前記第2の二重反転ファン(132)に駆動結合された第1の低圧タービン(19)とをさらに含む、請求項1記載のエンジン(1)。
  3. 前記第1及び第2の二重反転ファン(130、132)の下流側かつ軸方向後方に配置されたコアエンジン(18)と、
    前記第1及び第2の二重反転ファン(130、132)の下流側かつ軸方向後方に配置され、かつ前記コアエンジン(18)を囲むファンバイパスダクト(40)と、
    をさらに含み、
    前記FLADEファンブレード(5)の列が、前記第1及び第2の二重反転ファン(130、132)並びにファンバイパスダクト(40)を囲むFLADEダクト(3)を横切って半径方向に延びている、
    請求項1記載のエンジン(1)。
  4. 前記FLADEファンブレード(5)の列が、可変の第1のFLADEベーン(6)の軸方向前方列と第2のFLADEベーン(7)の軸方向後方列との間で前記FLADEダクト(3)内に配置されている、請求項3記載のエンジン(1)。
  5. 前記第2の二重反転ファン(132)に駆動結合された第1の低圧タービン(19)と、前記第1の二重反転ファン(130)に駆動結合された第2の低圧タービン(21)とをさらに含む、請求項3記載のエンジン(1)。
  6. 直列の流れ関係で、コア駆動ファンステータベーン(34)の列と、コア駆動ファンブレード(36)の少なくとも1つの列を備えたコア駆動ファン(37)と、高圧圧縮機(20)と、燃焼器(22)と、前記コア駆動ファン(37)に駆動結合された高圧タービン(23)とを有するコアエンジン(18)をさらに含み、
    前記第1及び第2の二重反転ファン(130、132)が、環状の第1のファンダクト(138)を横切って半径方向に配置され、前記コア駆動ファン(37)が、環状の第2のファンダクト(142)を横切って半径方向に配置され、
    ベーンシュラウド(106)が、前記コア駆動ファンステータベーン(34)を半径方向内側ベーンハブ部分(85)と半径方向外側ベーン先端部分(84)とに分割し、
    ファンシュラウド(108)が、前記コア駆動ファンブレード(36)を半径方向内側ブレードハブ部分(39)と半径方向外側ブレード先端部分(38)とに分割し、
    ファンバイパスダクト(40)への第1のバイパス入口(42)が、前記第2の二重反転ファン(132)と前記コアエンジン(18)への環状のコアエンジン入口(17)との軸方向間に配置され、
    前記コア駆動ファンステータベーン(34)のベーン先端部分(84)を横切りかつ前記コア駆動ファンブレード(36)のブレード先端部分(38)を横切るファン先端ダクト(146)が、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)まで延び、
    前記ベーン先端部分(84)の流れ面積を独立して変えるための第1の変更手段(91)が設けられている、
    請求項2記載のエンジン(1)。
  7. 前記ベーンハブ部分(85)の流れ面積を独立して変えるための第2の変更手段(92)をさらに含む、請求項6記載のエンジン(1)。
  8. 前記第1及び第2の変更手段(91、92)が、それぞれ独立して変化するベーン先端部分(84)と独立して変化するベーンハブ部分(85)とを含む、請求項7記載のエンジン(1)。
  9. 前記第1のバイパス入口(42)内に前方可変面積バイパスインゼクタドア(44)をさらに含む、請求項8記載のエンジン(1)。
  10. 前記第1及び第2の変更手段(91、92)が、
    前記ベーンハブ部分(85)のピボット動可能な後縁ハブフラップ(86)に取り付けられた内側シャフト(94)と、
    前記ベーン先端部分(84)のピボット動可能な後縁先端フラップ(88)に取り付けられた外側シャフト(96)と、を含み、
    前記内側シャフト(94)が、前記ファンステータベーン(34)の外側シャフト(96)内に同軸に配置され、
    第1のユニゾンリング(100)が、第1のレバーアーム(98)に対して作動関係で結合され、該第1のレバーアーム(98)が前記内側シャフト(94)に対して回転可能な作動関係で結合され、
    第2のユニゾンリング(104)が、第2のレバーアーム(102)に対して作動関係で結合され、該第2のレバーアームが前記外側シャフト(96)に対して回転可能な作動関係で結合されている、
    請求項8記載のエンジン(1)。
JP2004186143A 2003-08-25 2004-06-24 二重反転ファンを備えたfladeガスタービンエンジン Expired - Fee Related JP4856366B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/647,881 US7246484B2 (en) 2003-08-25 2003-08-25 FLADE gas turbine engine with counter-rotatable fans
US10/647,881 2003-08-25

Publications (3)

Publication Number Publication Date
JP2005069222A JP2005069222A (ja) 2005-03-17
JP2005069222A5 true JP2005069222A5 (ja) 2007-08-09
JP4856366B2 JP4856366B2 (ja) 2012-01-18

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US (1) US7246484B2 (ja)
EP (1) EP1510682B1 (ja)
JP (1) JP4856366B2 (ja)

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