JP7143904B2 - 航空機用ガスタービンエンジンの冷却システム - Google Patents
航空機用ガスタービンエンジンの冷却システム Download PDFInfo
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- JP7143904B2 JP7143904B2 JP2020572153A JP2020572153A JP7143904B2 JP 7143904 B2 JP7143904 B2 JP 7143904B2 JP 2020572153 A JP2020572153 A JP 2020572153A JP 2020572153 A JP2020572153 A JP 2020572153A JP 7143904 B2 JP7143904 B2 JP 7143904B2
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- 238000001816 cooling Methods 0.000 title claims description 36
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 239000007789 gas Substances 0.000 description 37
- 239000000112 cooling gas Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 239000011810 insulating material Substances 0.000 description 11
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000003685 thermal hair damage Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding 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
- F02K1/04—Mounting of an exhaust cone in the jet pipe
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
-
- 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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- 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
- F01D9/00—Stators
- F01D9/06—Fluid supply conduits to nozzles or the like
- F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
-
- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
- F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- 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
- F05D2220/70—Application in combination with
- F05D2220/76—Application in combination with an electrical generator
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- 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)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
本開示の第1実施形態について説明する。
図1は、本実施形態に係るエンジン10Aの構成図である。図2は、本実施形態に係る冷却システムを説明するための図である。図1に示すように、エンジン10Aは二軸式のターボファンエンジンである。エンジン10Aは、ファン11と、低圧コンプレッサ(コンプレッサ)12と、高圧コンプレッサ(コンプレッサ)13と、燃焼室14と、高圧タービン(タービン)15、低圧タービン(タービン)16とを備えている。また、これらは、記載順に、前方から後方に向けて中心軸Z上に配列している。エンジン10AのホットセクションHは燃焼室14から後方に位置する。エンジン10Aの稼働中、ホットセクションHは、燃焼室14に伴う燃焼ガスや輻射熱によって加熱される。
本開示の第2実施形態について説明する。
図6は、第2実施形態に係るエンジン10Bの構成図である。図7は、第2実施形態に係る冷却システムを説明するための図である。図8(a)~図8(c)は、第2実施形態に係る副ダクト60を説明するための図であり、図8(a)は副ダクト60全体の斜視図、図8(b)は図8(a)における前側副ダクト61のVIIIA-VIIIA断面図、図8(c)は図8(a)における後側副ダクト62のVIIIB-VIIIB断面図である。
Claims (5)
- 航空機用ガスタービンエンジンの冷却システムであって、
コンプレッサ、燃焼室及びタービンを収容するコアケーシングと、
前記コアケーシングと共に前記タービンの排気流路の少なくとも一部を形成するテールコーンと、
前記コアケーシングと前記テールコーンの支持体とを連結するストラットと、
前記テールコーン内に設置され、電気機器を収容するハウジングと、
前記ストラットのうちの少なくとも1つと前記コアケーシングの径方向外側とを経由して、前記コンプレッサの出口流路又は前記ガスタービンエンジンに設置されるブロアの排気口と前記ハウジングの内部空間とを連通させる少なくとも1つの主ダクトと、
電気機器に接続する電線と
を備え、
前記主ダクトは、
前記コンプレッサの前記出口流路又は前記ブロアの前記排気口に接続する前側主ダクトと、
前記ハウジングに接続する後側主ダクトと、
前記コアケーシングの径方向外側に設けられ、前記前側主ダクト及び前記後側主ダクトを連通且つ連結する中継器と
を含み、
前記中継器は端子盤を備え、
前記電線は、前記端子盤から前記後側主ダクトを通じて前記電気機器に接続されている冷却システム。 - 前記ハウジングは排気口を有する
請求項1に記載の冷却システム。 - 前記後側主ダクトは、前記燃焼室及び前記タービンからの熱に対する遮蔽構造を有する
請求項1または2に記載の冷却システム。 - 航空機用ガスタービンエンジンの冷却システムであって、
コンプレッサ、燃焼室及びタービンを収容するコアケーシングと、
前記コアケーシングと共に前記タービンの排気流路の少なくとも一部を形成するテールコーンと、
前記コアケーシングと前記テールコーンの支持体とを連結するストラットと、
前記テールコーン内に設置され、電気機器を収容するハウジングと、
前記ストラットのうちの少なくとも1つと前記コアケーシングの径方向外側とを経由して、前記コンプレッサの出口流路又は前記ガスタービンエンジンに設置されるブロアの排気口と前記ハウジングの内部空間とを連通させる少なくとも1つの主ダクトと、
前記コアケーシングの径方向外側と前記ストラットのうち前記主ダクトが経由するストラット以外のストラットとを経由して、ファン後方のバイパス流路と前記ハウジングの前記内部空間とを連通させる副ダクトと
を備え、
前記副ダクトは、当該副ダクトが敷設される前記ストラットよりも径方向外方の位置で分岐し、前記排気流路に向けて開口している
冷却システム。 - 前記副ダクトに収容され、前記電気機器に接続する電線を更に備え、
前記副ダクトは、
前記バイパス流路に接続する前側副ダクトと、
前記前側副ダクトから前記ハウジングまで延伸する後側副ダクトと、
を含み、
前記後側副ダクトは、前記燃焼室及び前記タービンからの熱に対する遮蔽構造を有する
請求項4に記載の冷却システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019023511 | 2019-02-13 | ||
JP2019023511 | 2019-02-13 | ||
PCT/JP2020/003293 WO2020166342A1 (ja) | 2019-02-13 | 2020-01-30 | 航空機用ガスタービンエンジンの冷却システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020166342A1 JPWO2020166342A1 (ja) | 2021-11-11 |
JP7143904B2 true JP7143904B2 (ja) | 2022-09-29 |
Family
ID=72044190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020572153A Active JP7143904B2 (ja) | 2019-02-13 | 2020-01-30 | 航空機用ガスタービンエンジンの冷却システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US11408344B2 (ja) |
EP (1) | EP3926157B1 (ja) |
JP (1) | JP7143904B2 (ja) |
CA (1) | CA3127554C (ja) |
WO (1) | WO2020166342A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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FR3099912B1 (fr) * | 2019-08-18 | 2021-08-13 | Safran Nacelles | Entrée d’air d’une nacelle d’une turbomachine d’aéronef |
US11719113B2 (en) * | 2020-02-05 | 2023-08-08 | Raytheon Technologies Corporation | Cooling system for power cables in a gas turbine engine |
FR3110939B1 (fr) * | 2020-05-27 | 2022-09-09 | Safran Trans Systems | Turbomachine equipee de machines electriques accouplees a une surface d’accouplement |
US11585291B2 (en) * | 2020-09-11 | 2023-02-21 | Raytheon Technologies Corporation | Tail cone ejector for power cable cooling system in a gas turbine engine |
US11578657B2 (en) * | 2020-10-27 | 2023-02-14 | Raytheon Technologies Corporation | Power cable cooling system in a gas turbine engine |
US11852024B2 (en) | 2020-12-18 | 2023-12-26 | Ge Aviation Systems Llc | Electrical strut for a turbine engine |
US11795837B2 (en) * | 2021-01-26 | 2023-10-24 | General Electric Company | Embedded electric machine |
US11867121B2 (en) * | 2021-03-24 | 2024-01-09 | General Electric Company | Gas turbine engines with heat recovery systems |
US11821370B2 (en) * | 2021-11-18 | 2023-11-21 | Hamilton Sundstrand Corporation | Cooling system for tail cone mounted generator |
FR3129427A1 (fr) * | 2021-11-22 | 2023-05-26 | Safran Aircraft Engines | Carter d’echappement comportant un bras creux traverse par un element conducteur de transmission de puissance |
EP4223986A1 (en) * | 2022-02-07 | 2023-08-09 | Rolls-Royce Deutschland Ltd & Co KG | Turbine generator system |
US11927137B2 (en) * | 2022-03-21 | 2024-03-12 | Ge Infrastructure Technology Llc | System and method for insulating components in an exhaust gas flow from a gas turbine |
US20240280053A1 (en) * | 2023-02-17 | 2024-08-22 | General Electric Company | Reverse flow gas turbine engine having electric machine |
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US20120227371A1 (en) | 2011-03-09 | 2012-09-13 | General Electric Company | System for cooling and purging exhaust section of gas turbine engine |
US20130133336A1 (en) | 2011-11-28 | 2013-05-30 | Barry Barnett | Support for electric machine in a turbine engine |
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US20180051702A1 (en) | 2016-08-22 | 2018-02-22 | General Electric Company | Embedded electric machine |
JP2018184162A (ja) | 2017-04-21 | 2018-11-22 | ゼネラル・エレクトリック・カンパニイ | 航空機のための推進システム |
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FR2878287B1 (fr) | 2004-11-25 | 2009-05-22 | Snecma Moteurs Sa | Turboreacteur double corps double flux avec generateur de courant electrique arriere |
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US11162379B2 (en) * | 2019-03-15 | 2021-11-02 | Hamilton Sundstrand Corporation | Temperature control device for tail cone mounted generator |
-
2020
- 2020-01-30 EP EP20756038.4A patent/EP3926157B1/en active Active
- 2020-01-30 JP JP2020572153A patent/JP7143904B2/ja active Active
- 2020-01-30 WO PCT/JP2020/003293 patent/WO2020166342A1/ja unknown
- 2020-01-30 CA CA3127554A patent/CA3127554C/en active Active
-
2021
- 2021-06-29 US US17/304,947 patent/US11408344B2/en active Active
Patent Citations (6)
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JP2005507044A (ja) | 2001-10-29 | 2005-03-10 | プラット アンド ホイットニー カナダ コーポレイション | 補助動力装置設備のための受動型冷却システム |
US20120227371A1 (en) | 2011-03-09 | 2012-09-13 | General Electric Company | System for cooling and purging exhaust section of gas turbine engine |
US20130133336A1 (en) | 2011-11-28 | 2013-05-30 | Barry Barnett | Support for electric machine in a turbine engine |
US20140079530A1 (en) | 2012-09-14 | 2014-03-20 | Pratt & Whitney Canada Corp. | Air cooling design for tail-cone generator installation |
US20180051702A1 (en) | 2016-08-22 | 2018-02-22 | General Electric Company | Embedded electric machine |
JP2018184162A (ja) | 2017-04-21 | 2018-11-22 | ゼネラル・エレクトリック・カンパニイ | 航空機のための推進システム |
Also Published As
Publication number | Publication date |
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EP3926157B1 (en) | 2024-05-15 |
US20210324799A1 (en) | 2021-10-21 |
EP3926157A1 (en) | 2021-12-22 |
CA3127554A1 (en) | 2020-08-20 |
CA3127554C (en) | 2023-07-18 |
US11408344B2 (en) | 2022-08-09 |
EP3926157A4 (en) | 2022-11-16 |
JPWO2020166342A1 (ja) | 2021-11-11 |
WO2020166342A1 (ja) | 2020-08-20 |
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