JP5132265B2 - ターボファンエンジンカウル組立体とその動作方法 - Google Patents
ターボファンエンジンカウル組立体とその動作方法 Download PDFInfo
- Publication number
- JP5132265B2 JP5132265B2 JP2007290250A JP2007290250A JP5132265B2 JP 5132265 B2 JP5132265 B2 JP 5132265B2 JP 2007290250 A JP2007290250 A JP 2007290250A JP 2007290250 A JP2007290250 A JP 2007290250A JP 5132265 B2 JP5132265 B2 JP 5132265B2
- Authority
- JP
- Japan
- Prior art keywords
- core cowl
- assembly
- baffle
- cowl baffle
- core
- 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
Links
- 238000000034 method Methods 0.000 title description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 17
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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
- F02K1/08—Varying effective area of jet pipe or nozzle by axially moving or transversely deforming an internal member, e.g. the exhaust cone
-
- 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
-
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
15 半径方向外側面
16 ファン組立体
17 半径方向内側面
19 第1の部分
20 コアガスタービンエンジン
21 第2の部分
22 コアカウル
23 半径方向外側面
24 ファンナセル
25 半径方向内側面
26 ファンノズルダクト
28 空気流
29 第1の出口
30 入口
32 第1の部分
34 第2の出口
38 第2の部分
99 支柱
100 コアカウルバッフル組立体
101 第1のコアカウルバッフル
102 第2のコアカウルバッフル
103 半径方向内側面
104 第1の部分
105 半径方向外側面
106 第2の部分
107 第1の端部
108 第2の端部
110 作動装置組立体
112 作動装置またはモータ
114 延長ロッド
120 前方向
122 後方向
124 半径方向外側面
126 半径方向内側面
130 第1の動作位置または引込み位置
132 第2の動作位置
200 ファンノズルダクト部分
202 ファンノズルダクト部分
D1 第1の直径
D2 第2の直径
D3 第3の直径
L1 長さ
L2 長さ
Claims (10)
- コアガスタービンエンジン(20)と、前記コアガスタービンエンジンに外接するコアカウル(22)と、前記コアカウルから半径方向外方に配置されるナセル(24)と、前記コアカウルと前記ナセルとの間に形成されるファンノズルダクト(26)とを含むターボファンエンジン組立体(10)用内側コアカウルバッフル組立体(100)において:
前記ファンノズルダクト内に配置されて前記コアカウルの一部分(21)に結合される第1のコアカウルバッフル(101)と;
前記コアカウルの一部分(21)に結合されるとともに、前記第1のコアカウルバッフルから半径方向内方にある距離をおいて配置される第2のコアカウルバッフル(102)と;
前記第2のコアカウルバッフルを前記第1のコアカウルバッフルに対して選択的に再配置することにより前記ファンノズルダクトのスロート部を変化させるように構成される作動装置組立体(110)とからなる内側コアカウルバッフル組立体(100)。 - 前記第1および第2のコアカウルバッフル(101、102)は、前記ファンノズルダクト(26)内に配置される請求項1に記載の内側コアカウルバッフル組立体(100)。
- 前記作動装置組立体(110)は、前記コアカウル(22)の一部分内に配置されるとともに、前記第2のコアカウルバッフルを前記コアカウルに結合させるように構成される請求項1に記載の内側コアカウルバッフル組立体(100)。
- 前記作動装置組立体(110)は、周方向に離間する複数個のモータ(112)と、複数本の延長ロッド(114)とからなり、前記複数本のロッドの各々は、それぞれのモータに結合されて、少なくとも1個の前記モータを作動させることによって前記第2のコアカウルバッフル(102)の一部分(106)が並進せしめられるようになっている請求項2に記載の内側コアカウルバッフル組立体(100)。
- 前記作動装置組立体(110)は、電気、空気または油圧の少なくとも1つの動力の供給を受ける請求項2に記載の内側コアカウルバッフル組立体(100)。
- 前記作動装置組立体(110)は、前記第2のコアカウルバッフル(102)の一部分(106)を第1の動作位置(130)と第2の動作位置(132)と、前記第1および第2の動作位置間の複数個の動作位置との間において再配置する請求項1に記載の内側コアカウルバッフル組立体(100)。
- 前記第2のコアカウルバッフル(102)は、前記第1の動作位置(130)において前記コアカウル(22)と実質的に面一に配置され、前記第1の動作位置は、前記エンジン組立体(10)により生じせしめられるエンジンスラストを高めやすくする請求項6に記載の内側コアカウルバッフル組立体(100)。
- 前記第2のコアカウルバッフル(102)は、前記第2の動作位置(132)において前記コアカウル(22)からある距離だけ離れて配置されて、前記第2の動作位置が、前記エンジン組立体(10)が最大スラスト未満のスラストレベルで動作せしめられるときにエンジン効率を最大限に高めやすくするようになっている請求項6に記載の内側コアカウルバッフル組立体(100)。
- 前記第1のコアカウルバッフル(101)は、少なくとも1本の支柱(99)を用いて前記コアカウル(22)に結合される請求項1に記載の内側コアカウルバッフル組立体(100)。
- 前記第1のコアカウルバッフル(101)と前記第2のコアカウルバッフル(102)との少なくとも一方は、少なくとも1個の固定消音板を含む請求項1に記載の内側コアカウルバッフル組立体(100)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/559,773 US7681399B2 (en) | 2006-11-14 | 2006-11-14 | Turbofan engine cowl assembly and method of operating the same |
US11/559,773 | 2006-11-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008121680A JP2008121680A (ja) | 2008-05-29 |
JP5132265B2 true JP5132265B2 (ja) | 2013-01-30 |
Family
ID=39325546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007290250A Expired - Fee Related JP5132265B2 (ja) | 2006-11-14 | 2007-11-08 | ターボファンエンジンカウル組立体とその動作方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7681399B2 (ja) |
JP (1) | JP5132265B2 (ja) |
CA (1) | CA2609291C (ja) |
FR (1) | FR2908469B1 (ja) |
GB (1) | GB2444363B (ja) |
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- 2006-11-14 US US11/559,773 patent/US7681399B2/en active Active
-
2007
- 2007-10-30 FR FR0758673A patent/FR2908469B1/fr active Active
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GB2444363A (en) | 2008-06-04 |
JP2008121680A (ja) | 2008-05-29 |
US7681399B2 (en) | 2010-03-23 |
FR2908469A1 (fr) | 2008-05-16 |
GB2444363B (en) | 2011-10-19 |
CA2609291C (en) | 2015-04-21 |
US20080112802A1 (en) | 2008-05-15 |
FR2908469B1 (fr) | 2012-09-28 |
GB0722174D0 (en) | 2007-12-19 |
CA2609291A1 (en) | 2008-05-14 |
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