JP2012052547A5 - - Google Patents

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Publication number
JP2012052547A5
JP2012052547A5 JP2011223001A JP2011223001A JP2012052547A5 JP 2012052547 A5 JP2012052547 A5 JP 2012052547A5 JP 2011223001 A JP2011223001 A JP 2011223001A JP 2011223001 A JP2011223001 A JP 2011223001A JP 2012052547 A5 JP2012052547 A5 JP 2012052547A5
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Japan
Prior art keywords
shroud
nozzle
centerbody
diameter
rearward
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JP2011223001A
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JP5325962B2 (ja
JP2012052547A (ja
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Priority claimed from US10/898,035 external-priority patent/US7174704B2/en
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Publication of JP2012052547A publication Critical patent/JP2012052547A/ja
Publication of JP2012052547A5 publication Critical patent/JP2012052547A5/ja
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Publication of JP5325962B2 publication Critical patent/JP5325962B2/ja
Expired - Fee Related legal-status Critical Current
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Claims (7)

  1. 長手方向軸線を有するガスタービンエンジン用のノズル(30)であって、
    前記長手方向軸線に沿って後方に延び、その残余部分に比較して大きい直径のスロートセクションを含むセンタボデー(32)と、
    前記センタボデーを囲み、外面とその残余部分に比較して小さい直径の少なくとも中間セクションを含む内面とを有し、前記長手方向軸線に沿って前記センタボデー(32)に対して前方及び後方方向に選択的に移動可能である内側シュラウド(34)と、
    前記内側シュラウド(34)を囲み、前方端部、後方端部及び該前方端部から後方端部まで延びる内面を有し、前記センタボデー(32)に対して前方及び後方方向に移動可能である外側シュラウド(36)と、
    前記センタボデー(32)に対して前方及び後方方向に前記内側及び外側シュラウド(34、36)を独立して選択的に移動させるための手段と、
    を含み、
    前記センタボデー(32)、前記内側シュラウド(34)の内面及び前記外側シュラウド(36)の内面が、共同して該ノズル(30)を通る流体流路を形成しており
    前記外側シュラウドの(36)の内面が、前記前方及び後方端部における該内面の直径が該前方及び後方端部間の位置における該内面の直径よりもより小さくなるようなアーチ形断面輪郭を有する
    ことを特徴とする、ノズル(30)。
  2. 前記センタボデー(32)が、前方方向に向かってより小さい直径までテーパ状になった、前記スロートセクションの前方に位置する前方セクションと、後方方向に向かってより小さい直径までテーパ状になった、前記スロートセクションの後方に位置する後方セクションとを含む、請求項1記載のノズル(30)。
  3. 前記外側シュラウド(36)の内面に沿ってほぼ後方向きの補助流体流を噴射するための手段をさらに含む、請求項記載のノズル(30)。
  4. 前記センタボデー、内側シュラウド(34)及び外側シュラウド(36)が、エンジンの長手方向軸線周りの回転体である、請求項1記載のノズル(30)。
  5. 前記内側及び外側シュラウド(34、36)の少なくとも1つが、その後方端部に配置された複数の隣接するシェブロン(170、172)を含む、請求項1記載のノズル(30)。
  6. 前記内側及び外側シュラウド(34、36)の各々が、そのそれぞれの後方端部に配置された複数の隣接するシェブロン(170、172)を含む、請求項6記載のノズル(30)。
  7. 前記内側シュラウド(34)の外面が、後方部分と、前記後方部分の直径よりも大きい直径を有する前方部分と、該外面の前方及び後方部分を結合するほぼ後方向きの壁(357)とを含み、
    前記外側シュラウド(36)の内面が、後方部分と、前記後方部分の直径よりも大きい直径を有する前方部分と、該内面の前方及び後方部分を結合するほぼ前方向きの壁(365)とを含み、
    前記内側及び外側シュラウド(34、36)が、前記内側シュラウド(34)の外面の後方部分が前記外側シュラウド(36)の内面の後方部分と係合しかつ前記内側シュラウド(34)の外面の前方部分が前記外側シュラウド(36)の内面の前方部分と係合するように配置されている、
    請求項1記載のノズル(30)。
JP2011223001A 2004-07-23 2011-10-07 分割シュラウド型排気ノズル Expired - Fee Related JP5325962B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/898,035 2004-07-23
US10/898,035 US7174704B2 (en) 2004-07-23 2004-07-23 Split shroud exhaust nozzle

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2005147696A Division JP4875854B2 (ja) 2004-07-23 2005-05-20 分割シュラウド型排気ノズル

Publications (3)

Publication Number Publication Date
JP2012052547A JP2012052547A (ja) 2012-03-15
JP2012052547A5 true JP2012052547A5 (ja) 2012-11-29
JP5325962B2 JP5325962B2 (ja) 2013-10-23

Family

ID=34941361

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2005147696A Expired - Fee Related JP4875854B2 (ja) 2004-07-23 2005-05-20 分割シュラウド型排気ノズル
JP2011223001A Expired - Fee Related JP5325962B2 (ja) 2004-07-23 2011-10-07 分割シュラウド型排気ノズル

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2005147696A Expired - Fee Related JP4875854B2 (ja) 2004-07-23 2005-05-20 分割シュラウド型排気ノズル

Country Status (3)

Country Link
US (1) US7174704B2 (ja)
EP (1) EP1619376B1 (ja)
JP (2) JP4875854B2 (ja)

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