JP6990639B2 - ターボファンエンジン - Google Patents
ターボファンエンジン Download PDFInfo
- Publication number
- JP6990639B2 JP6990639B2 JP2018180099A JP2018180099A JP6990639B2 JP 6990639 B2 JP6990639 B2 JP 6990639B2 JP 2018180099 A JP2018180099 A JP 2018180099A JP 2018180099 A JP2018180099 A JP 2018180099A JP 6990639 B2 JP6990639 B2 JP 6990639B2
- Authority
- JP
- Japan
- Prior art keywords
- fan
- annular
- slider
- annular member
- fan case
- 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.)
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Classifications
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
-
- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
-
- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
- F01D21/045—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/14—Casings or housings protecting or supporting assemblies within
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
12 :アウタケーシング(ファンケース)
14 :インナケーシング
16 :前部第1ベアリング
18 :後部第1ベアリング
20 :低圧系回転軸(ファン回転軸)
20A :先端部(中心部材)
22 :前部第2ベアリング
24 :後部第2ベアリング
26 :高圧系回転軸
28 :フロントファン(ファン)
29 :ファンブレード
30 :ステータベーン
32 :バイパスダクト
34 :空気圧縮用ダクト
34A :内周面
36 :軸流圧縮機
38 :動翼列
40 :静翼列
42 :遠心圧縮機
44 :インペラ
46 :静翼列
50 :デフューザ
52 :逆流燃焼室
54 :燃焼室部材
56 :燃料噴射ノズル
58 :ノズルガイドベーン列
60 :高圧タービン
62 :低圧タービン
64 :高圧タービンホイール
66 :ノズルガイドベーン列
100 :ファン損傷防止構造
102 :円環状部材
102A :外周面
102B :内周面
104 :弾発支持装置
106 :セグメント
108 :ピン
110 :スライダ
110A :孔
110B :先端面
110C :肩部
112 :圧縮コイルばね
114 :コーキング部
Claims (3)
- 筒状のファンケースと、
前記ファンケース内に回転可能に設けられ、中心部材及び前記中心部材の外周に周方向に隔置された複数のファンブレードを含むファンとを有するターボファンエンジンであって、
前記ファンブレードの外縁に対して所定の間隙をおいて前記ファンを外周側から取り囲むように配置された環状部材と、
前記環状部材が前記ファンブレードの外縁に対して径方向に所定の間隙をおいて配置されるべく前記環状部材を径方向に弾発的に支持する弾発支持装置とを有し、
前記弾発支持装置は、前記ファンケースに形成された内側から見て凹部をなす環状凹部に設けられ、
前記弾発支持装置は、前記ファンケースの中心軸線周りの複数箇所に設けられたばね部材と、前記ファンケースの中心軸線周りの複数箇所において各々前記環状凹部の底部に固定される基端から径方向内方に延出した複数のピンと、前記ピンの各々に当該ピンの軸線方向に移動可能に係合したスライダとを含み、
前記ばね部材は、前記ピン毎に前記環状凹部の底部と前記スライダとの間に設けられ、前記スライダが前記環状部材の外周面に当接するように予荷重を与えられた圧縮ばねによって構成されているターボファンエンジン。 - 筒状のファンケースと、
前記ファンケース内に回転可能に設けられ、中心部材及び前記中心部材の外周に周方向に隔置された複数のファンブレードを含むファンとを有するターボファンエンジンであって、
前記ファンブレードの外縁に対して所定の間隙をおいて前記ファンを外周側から取り囲むように配置された環状部材と、
前記環状部材が前記ファンブレードの外縁に対して径方向に所定の間隙をおいて配置されるべく前記環状部材を径方向に弾発的に支持する弾発支持装置とを有し、
前記弾発支持装置は、前記ファンケースに形成された内側から見て凹部をなす環状凹部に設けられ、
前記弾発支持装置は、前記ファンケースの中心軸線周りの複数箇所に設けられたばね部材と、前記ファンケースの中心軸線周りの複数箇所において各々前記環状凹部の底部に固定される基端から径方向内方に延出し、拡径によるフランジによる遊端を含む複数のピンと、前記ピンの各々に当該ピンの軸線方向に移動可能に係合し、前記フランジによって径方向内方への移動を制限されるスライダとを含み、
前記ばね部材は、前記ピン毎に前記環状凹部の底部と前記スライダとの間に設けられ、前記スライダが前記環状部材の外周面に当接するように、前記スライダを付勢する圧縮ばねによって構成されているターボファンエンジン。 - 前記環状凹部と前記環状部材との間の空隙を埋めるべく前記ファンケースに固着した充填剤によるコーキング部を有する請求項1又は2に記載のターボファンエンジン。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018180099A JP6990639B2 (ja) | 2018-09-26 | 2018-09-26 | ターボファンエンジン |
| US16/590,560 US10995633B2 (en) | 2018-09-26 | 2019-10-02 | Turbofan engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018180099A JP6990639B2 (ja) | 2018-09-26 | 2018-09-26 | ターボファンエンジン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020051308A JP2020051308A (ja) | 2020-04-02 |
| JP6990639B2 true JP6990639B2 (ja) | 2022-01-12 |
Family
ID=69996700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018180099A Active JP6990639B2 (ja) | 2018-09-26 | 2018-09-26 | ターボファンエンジン |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US10995633B2 (ja) |
| JP (1) | JP6990639B2 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914947B (zh) * | 2020-07-08 | 2024-04-19 | 中国航发商用航空发动机有限责任公司 | 航空发动机风扇包容装置及航空发动机 |
| FR3122694B1 (fr) * | 2021-05-07 | 2024-03-29 | Safran Aircraft Engines | Turboréacteur muni d’un ensemble de fixation disposé sur un carter de soufflante |
| US12012859B2 (en) * | 2022-07-11 | 2024-06-18 | General Electric Company | Variable flowpath casings for blade tip clearance control |
| US12467384B1 (en) * | 2024-11-15 | 2025-11-11 | Rtx Corporation | Translatable guide vanes for aircraft propulsion system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040146393A1 (en) | 2002-10-07 | 2004-07-29 | General Electric | Jet aircraft fan case containment design |
| JP2005291205A (ja) | 2004-03-30 | 2005-10-20 | General Electric Co <Ge> | ターボ機械のためのシール装置及び方法 |
| US20110076132A1 (en) | 2009-09-25 | 2011-03-31 | Rolls-Royce Plc | Containment casing for an aero engine |
| JP2015531444A (ja) | 2012-09-06 | 2015-11-02 | ゼネラル・エレクトリック・カンパニイ | 耐摩擦性ファンケース |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2935294A (en) * | 1957-01-22 | 1960-05-03 | Thompson Ramo Wooldridge Inc | Double wall turbine shroud |
| GB2265184B (en) * | 1992-03-10 | 1995-01-25 | Rolls Royce Plc | Gas turbine engine support structure |
| US6382905B1 (en) * | 2000-04-28 | 2002-05-07 | General Electric Company | Fan casing liner support |
| DE102008062363A1 (de) * | 2008-12-17 | 2010-06-24 | Rolls-Royce Deutschland Ltd & Co Kg | Fangehäuse für ein Strahltriebwerk |
| GB0914523D0 (en) * | 2009-08-20 | 2009-09-30 | Rolls Royce Plc | A turbomachine casing assembly |
| US8992161B2 (en) * | 2011-08-26 | 2015-03-31 | Honeywell International Inc. | Gas turbine engines including broadband damping systems and methods for producing the same |
| FR2986582B1 (fr) * | 2012-02-06 | 2014-03-14 | Snecma | Carter de soufflante pour moteur a turbine a gaz munie d'une bride pour la fixation d'equipements |
| GB201313594D0 (en) * | 2013-07-30 | 2013-09-11 | Composite Technology & Applic Ltd | Fan Track Liner |
| JP5983571B2 (ja) | 2013-09-19 | 2016-08-31 | トヨタ自動車株式会社 | 絶縁皮膜除去方法及び絶縁皮膜除去装置 |
| FR3014151B1 (fr) * | 2013-11-29 | 2015-12-04 | Snecma | Soufflante, en particulier pour une turbomachine |
| EP2940251B1 (en) * | 2014-04-28 | 2019-06-12 | Rolls-Royce Corporation | Fan containment case |
| FR3048957B1 (fr) * | 2016-03-15 | 2018-03-09 | Airbus Operations | Ensemble moteur pour aeronef, comprenant des dispositifs souples de transmission d'efforts agences entre les capots d'inversion de poussee et le moteur |
| JP6674437B2 (ja) * | 2017-12-26 | 2020-04-01 | 株式会社Subaru | ロータの補助装置、ロータ、ガスタービンエンジン及び航空機 |
-
2018
- 2018-09-26 JP JP2018180099A patent/JP6990639B2/ja active Active
-
2019
- 2019-10-02 US US16/590,560 patent/US10995633B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040146393A1 (en) | 2002-10-07 | 2004-07-29 | General Electric | Jet aircraft fan case containment design |
| JP2005291205A (ja) | 2004-03-30 | 2005-10-20 | General Electric Co <Ge> | ターボ機械のためのシール装置及び方法 |
| US20110076132A1 (en) | 2009-09-25 | 2011-03-31 | Rolls-Royce Plc | Containment casing for an aero engine |
| JP2015531444A (ja) | 2012-09-06 | 2015-11-02 | ゼネラル・エレクトリック・カンパニイ | 耐摩擦性ファンケース |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020051308A (ja) | 2020-04-02 |
| US20200208537A1 (en) | 2020-07-02 |
| US10995633B2 (en) | 2021-05-04 |
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