JP4875854B2 - 分割シュラウド型排気ノズル - Google Patents
分割シュラウド型排気ノズル Download PDFInfo
- Publication number
- JP4875854B2 JP4875854B2 JP2005147696A JP2005147696A JP4875854B2 JP 4875854 B2 JP4875854 B2 JP 4875854B2 JP 2005147696 A JP2005147696 A JP 2005147696A JP 2005147696 A JP2005147696 A JP 2005147696A JP 4875854 B2 JP4875854 B2 JP 4875854B2
- Authority
- JP
- Japan
- Prior art keywords
- shroud
- nozzle
- centerbody
- outer shroud
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- 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
- F02K1/09—Varying effective area of jet pipe or nozzle by axially moving an external member, e.g. a shroud
-
- 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
- F02K1/38—Introducing air inside the jet
- F02K1/386—Introducing air inside the jet mixing devices in the jet pipe, e.g. for mixing primary and secondary flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/11—Two-dimensional triangular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/30—Arrangement of components
- F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
- F05D2250/311—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being in line
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
- Supercharger (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
30 ノズル
32 センタボデー
32a センタボデーの前方セクション
32b センタボデーのスロートセクション
32c センタボデーの後方セクション
34 内側シュラウド
36 外側シュラウド
38 センタボデーの外側セクション
40 センタボデーの内側セクション
42 プレナム
44 出口スロット
50 内側シュラウドの内面
50a 内側シュラウド内面の前方セクション
50b 内側シュラウド内面の中間セクション
50c 内側シュラウド内面の後方セクション
52 内側シュラウドの外面
54 内側シュラウド作動装置
60 外側シュラウドの内面
62 外側シュラウドの外面
64 外側シュラウド作動装置。
T ノズルのスロート
Claims (4)
- 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
ことを特徴とする、ノズル(30)。 - 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)。
- 前記外側シュラウド(36)の内面が、該外側シュラウド(36)の前方端部から後方端部までほぼ一定の断面積を形成している、請求項1記載のノズル(30)。
- 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)。
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 Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011223001A Division JP5325962B2 (ja) | 2004-07-23 | 2011-10-07 | 分割シュラウド型排気ノズル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006037949A JP2006037949A (ja) | 2006-02-09 |
JP4875854B2 true JP4875854B2 (ja) | 2012-02-15 |
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 After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7174704B2 (ja) |
EP (1) | EP1619376B1 (ja) |
JP (2) | JP4875854B2 (ja) |
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US7395657B2 (en) * | 2003-10-20 | 2008-07-08 | General Electric Company | Flade gas turbine engine with fixed geometry inlet |
US6948317B2 (en) * | 2003-10-31 | 2005-09-27 | General Electric Company | Methods and apparatus for flade engine nozzle |
US7305817B2 (en) * | 2004-02-09 | 2007-12-11 | General Electric Company | Sinuous chevron exhaust nozzle |
-
2004
- 2004-07-23 US US10/898,035 patent/US7174704B2/en active Active
-
2005
- 2005-05-18 EP EP05253058.1A patent/EP1619376B1/en not_active Ceased
- 2005-05-20 JP JP2005147696A patent/JP4875854B2/ja not_active Expired - Fee Related
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2011
- 2011-10-07 JP JP2011223001A patent/JP5325962B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20060016171A1 (en) | 2006-01-26 |
US7174704B2 (en) | 2007-02-13 |
JP5325962B2 (ja) | 2013-10-23 |
EP1619376A3 (en) | 2011-12-14 |
JP2012052547A (ja) | 2012-03-15 |
EP1619376B1 (en) | 2013-07-31 |
EP1619376A2 (en) | 2006-01-25 |
JP2006037949A (ja) | 2006-02-09 |
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