JP2017137865A - 内部冷媒流パターンを有するエンジンケーシング - Google Patents
内部冷媒流パターンを有するエンジンケーシング Download PDFInfo
- Publication number
- JP2017137865A JP2017137865A JP2017017234A JP2017017234A JP2017137865A JP 2017137865 A JP2017137865 A JP 2017137865A JP 2017017234 A JP2017017234 A JP 2017017234A JP 2017017234 A JP2017017234 A JP 2017017234A JP 2017137865 A JP2017137865 A JP 2017137865A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- region
- case
- cooling
- engine component
- 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.)
- Pending
Links
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
- 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
- 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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/14—Casings modified therefor
-
- 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
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
-
- 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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/11—Shroud seal segments
-
- 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
-
- 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
- F05D2250/20—Three-dimensional
- F05D2250/28—Three-dimensional patterned
- F05D2250/283—Three-dimensional patterned honeycomb
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/204—Heat transfer, e.g. cooling by the use of microcircuits
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
Description
202 マニホールド
300 LPTケース
301 内部冷却流路
401 内部領域
402 エンジンケース壁
403 外壁
502 内壁
503 外壁
601 内部冷却流路
602 内壁
603 外壁
700 エンジンケース
701 内部冷却通路
702 内壁
703 外壁
704 ベーン−フック領域
705 前方リップ
706 シュラウド
707 通路
1101 冷却領域
1102 冷却領域
1201 冷却ダクト
1204 冷却ダクト位置
1401 冷却供給ダクト
1402 ケース
1501 冷却ダクト
1502 領域
1503 冷却ダクト
1504 領域
1505 冷却ダクト
1506 領域
Claims (11)
- 第1の中実壁領域(402)及び第2の中実壁領域(403)を含む環状セクションと、
第1の中実壁領域(402)と第2の中実壁領域(403)の間の内部領域(401)と
を備えるエンジン部品であって、内部領域(401)が1以上の空洞を画成し、空洞が、上記セクションを通過する冷媒空気の流れを制御する1以上の格子構造を有する、エンジン部品。 - 第1の中実壁領域(402)及び第2の中実壁領域(403)が、エンジン部品の厚さの20%±10%をなしており、内部空洞がエンジン部品の厚さの60%±20%をなす、請求項1に記載のエンジン部品。
- エンジンが内部領域内の能動間隙制御システムから冷却空気を供給するように構成される、請求項1又は請求項2に記載のエンジン部品。
- エンジンが内部領域内の二次空気システムから冷却空気を供給するように構成される、請求項1乃至請求項3のいずれか1項に記載のエンジン部品。
- 内部領域が少なくとも第1の冷却領域及び第2の冷却領域を含む、請求項1乃至請求項4のいずれか1項に記載のエンジン部品。
- エンジンが第1の冷却領域内の能動間隙制御システムから冷却空気を供給するように構成され、かつエンジンが第2の冷却領域内の二次空気システムから冷却空気を供給するように構成される、請求項1乃至請求項5のいずれか1項に記載のエンジン部品。
- 格子構造がエンジン部品を構造的に支持し、かつ空洞での所望の圧力降下をもたらすように構成される、請求項1乃至請求項6のいずれか1項に記載のエンジン部品。
- 格子構造がエンジン部品を構造的に支持し、かつ空洞での所望の圧力降下をもたらすように構成される、請求項1乃至請求項6のいずれか1項に記載のエンジン部品。
- エンジン部品がエンジンケース(700)である、請求項1乃至請求項8のいずれか1項に記載のエンジン部品。
- エンジン部品が低圧タービンエンジンのエンジンケース(700)である、請求項1乃至請求項9のいずれか1項に記載のエンジン部品。
- 第1の領域での圧力降下が、第2の領域での圧力降下よりも高い、請求項1乃至請求項10のいずれか1項に記載のエンジン部品。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/016,053 | 2016-02-04 | ||
US15/016,053 US10830097B2 (en) | 2016-02-04 | 2016-02-04 | Engine casing with internal coolant flow patterns |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019081961A Division JP2019138302A (ja) | 2016-02-04 | 2019-04-23 | 内部冷媒流パターンを有するエンジンケーシング |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2017137865A true JP2017137865A (ja) | 2017-08-10 |
Family
ID=57960315
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017017234A Pending JP2017137865A (ja) | 2016-02-04 | 2017-02-02 | 内部冷媒流パターンを有するエンジンケーシング |
JP2019081961A Pending JP2019138302A (ja) | 2016-02-04 | 2019-04-23 | 内部冷媒流パターンを有するエンジンケーシング |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019081961A Pending JP2019138302A (ja) | 2016-02-04 | 2019-04-23 | 内部冷媒流パターンを有するエンジンケーシング |
Country Status (5)
Country | Link |
---|---|
US (1) | US10830097B2 (ja) |
EP (1) | EP3225788B1 (ja) |
JP (2) | JP2017137865A (ja) |
CN (1) | CN107035442B (ja) |
CA (1) | CA2956983C (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10480322B2 (en) * | 2018-01-12 | 2019-11-19 | General Electric Company | Turbine engine with annular cavity |
US10781721B2 (en) | 2018-02-09 | 2020-09-22 | General Electric Company | Integral turbine center frame |
CN112313147A (zh) * | 2018-03-16 | 2021-02-02 | 杰欧比飞行有限公司 | 飞行器减阻系统和内部冷却电动马达系统及使用它们的飞行器 |
US11015482B2 (en) | 2018-11-27 | 2021-05-25 | Honeywell International Inc. | Containment system for gas turbine engine |
US10975770B1 (en) | 2019-12-05 | 2021-04-13 | Hamilton Sundstrand Corporation | Integral engine case precooler |
US11566532B2 (en) * | 2020-12-04 | 2023-01-31 | Ge Avio S.R.L. | Turbine clearance control system |
US11560235B2 (en) * | 2021-02-09 | 2023-01-24 | Joby Aero, Inc. | Aircraft propulsion unit |
US11821326B2 (en) | 2021-04-27 | 2023-11-21 | General Electric Company | Turbine containment system |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002285803A (ja) * | 2001-03-27 | 2002-10-03 | Toshiba Corp | ガスタービンクリアランス制御装置 |
JP2008064002A (ja) * | 2006-09-06 | 2008-03-21 | Ihi Corp | 冷却構造 |
JP2008121672A (ja) * | 2006-11-10 | 2008-05-29 | General Electric Co <Ge> | 二重段間冷却エンジン |
EP2031191A2 (en) * | 2007-08-22 | 2009-03-04 | United Technologies Corporation | Gas turbine engine case for clearance control |
JP2009221995A (ja) * | 2008-03-18 | 2009-10-01 | Ihi Corp | 高温部品の内面冷却構造 |
JP2012500932A (ja) * | 2008-08-27 | 2012-01-12 | シーメンス アクティエンゲゼルシャフト | ガスタービンのためにタービンガイドベーンサポートおよびガスタービンを作動するための方法 |
JP2012072708A (ja) * | 2010-09-29 | 2012-04-12 | Hitachi Ltd | ガスタービンおよびガスタービンの冷却方法 |
US20120237786A1 (en) * | 2011-03-17 | 2012-09-20 | Morrison Jay A | Process for making a wall with a porous element for component cooling |
US20140321998A1 (en) * | 2013-04-24 | 2014-10-30 | MTU Aero Engines AG | Housing section of a turbine engine compressor stage or turbine engine turbine stage |
US20150345298A1 (en) * | 2012-12-28 | 2015-12-03 | United Technologies Corporation | Gas turbine engine component having vascular engineered lattice structure |
EP2977679A1 (en) * | 2014-07-22 | 2016-01-27 | United Technologies Corporation | Combustor wall for a gas turbine engine and method of acoustic dampening |
US20160023272A1 (en) * | 2014-05-22 | 2016-01-28 | United Technologies Corporation | Turbulating cooling structures |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1335145A (en) | 1972-01-12 | 1973-10-24 | Rolls Royce | Turbine casing for a gas turbine engine |
GB2114661B (en) | 1980-10-21 | 1984-08-01 | Rolls Royce | Casing structure for a gas turbine engine |
US5351478A (en) | 1992-05-29 | 1994-10-04 | General Electric Company | Compressor casing assembly |
GB2313161B (en) | 1996-05-14 | 2000-05-31 | Rolls Royce Plc | Gas turbine engine casing |
GB0028021D0 (en) | 2000-11-17 | 2001-01-03 | Rolls Royce Plc | Method of fabricating structures |
US6619913B2 (en) | 2002-02-15 | 2003-09-16 | General Electric Company | Fan casing acoustic treatment |
DE102004016462A1 (de) * | 2004-03-31 | 2005-11-24 | Alstom Technology Ltd | Kühlbare Wandstruktur sowie damit ausgestattete Gasturbine |
FR2919347B1 (fr) | 2007-07-26 | 2009-11-20 | Snecma | Enveloppe externe de conduite de soufflante dans une turbomachine. |
DE102011108957B4 (de) | 2011-07-29 | 2013-07-04 | Mtu Aero Engines Gmbh | Verfahren zum Herstellen, Reparieren und/oder Austauschen eines Gehäuses, insbesondere eines Triebwerkgehäuses, sowie ein entsprechendes Gehäuse |
US9393620B2 (en) | 2012-12-14 | 2016-07-19 | United Technologies Corporation | Uber-cooled turbine section component made by additive manufacturing |
EP2843192B1 (fr) | 2013-08-28 | 2021-03-24 | Safran Aero Boosters SA | Aube composite réalisée par fabrication additive et procédé de fabrication associé |
EP3002415A1 (en) * | 2014-09-30 | 2016-04-06 | Siemens Aktiengesellschaft | Turbomachine component, particularly a gas turbine engine component, with a cooled wall and a method of manufacturing |
US10449606B2 (en) | 2015-06-19 | 2019-10-22 | General Electric Company | Additive manufacturing apparatus and method for large components |
-
2016
- 2016-02-04 US US15/016,053 patent/US10830097B2/en active Active
-
2017
- 2017-02-02 CA CA2956983A patent/CA2956983C/en active Active
- 2017-02-02 JP JP2017017234A patent/JP2017137865A/ja active Pending
- 2017-02-02 EP EP17154287.1A patent/EP3225788B1/en active Active
- 2017-02-04 CN CN201710199418.3A patent/CN107035442B/zh active Active
-
2019
- 2019-04-23 JP JP2019081961A patent/JP2019138302A/ja active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002285803A (ja) * | 2001-03-27 | 2002-10-03 | Toshiba Corp | ガスタービンクリアランス制御装置 |
JP2008064002A (ja) * | 2006-09-06 | 2008-03-21 | Ihi Corp | 冷却構造 |
JP2008121672A (ja) * | 2006-11-10 | 2008-05-29 | General Electric Co <Ge> | 二重段間冷却エンジン |
EP2031191A2 (en) * | 2007-08-22 | 2009-03-04 | United Technologies Corporation | Gas turbine engine case for clearance control |
JP2009221995A (ja) * | 2008-03-18 | 2009-10-01 | Ihi Corp | 高温部品の内面冷却構造 |
JP2012500932A (ja) * | 2008-08-27 | 2012-01-12 | シーメンス アクティエンゲゼルシャフト | ガスタービンのためにタービンガイドベーンサポートおよびガスタービンを作動するための方法 |
JP2012072708A (ja) * | 2010-09-29 | 2012-04-12 | Hitachi Ltd | ガスタービンおよびガスタービンの冷却方法 |
US20120237786A1 (en) * | 2011-03-17 | 2012-09-20 | Morrison Jay A | Process for making a wall with a porous element for component cooling |
US20150345298A1 (en) * | 2012-12-28 | 2015-12-03 | United Technologies Corporation | Gas turbine engine component having vascular engineered lattice structure |
US20140321998A1 (en) * | 2013-04-24 | 2014-10-30 | MTU Aero Engines AG | Housing section of a turbine engine compressor stage or turbine engine turbine stage |
US20160023272A1 (en) * | 2014-05-22 | 2016-01-28 | United Technologies Corporation | Turbulating cooling structures |
EP2977679A1 (en) * | 2014-07-22 | 2016-01-27 | United Technologies Corporation | Combustor wall for a gas turbine engine and method of acoustic dampening |
Also Published As
Publication number | Publication date |
---|---|
CA2956983C (en) | 2020-09-22 |
CN107035442A (zh) | 2017-08-11 |
US20170314416A1 (en) | 2017-11-02 |
JP2019138302A (ja) | 2019-08-22 |
CN107035442B (zh) | 2019-12-17 |
EP3225788B1 (en) | 2020-11-25 |
US10830097B2 (en) | 2020-11-10 |
CA2956983A1 (en) | 2017-08-04 |
EP3225788A2 (en) | 2017-10-04 |
EP3225788A3 (en) | 2017-11-15 |
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