JP4958967B2 - 換気構造を改良したガスタービンエンジン - Google Patents
換気構造を改良したガスタービンエンジン Download PDFInfo
- Publication number
- JP4958967B2 JP4958967B2 JP2009284131A JP2009284131A JP4958967B2 JP 4958967 B2 JP4958967 B2 JP 4958967B2 JP 2009284131 A JP2009284131 A JP 2009284131A JP 2009284131 A JP2009284131 A JP 2009284131A JP 4958967 B2 JP4958967 B2 JP 4958967B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust diffuser
- ejector
- gas turbine
- exhaust
- turbine engine
- 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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Links
- 238000009423 ventilation Methods 0.000 title claims description 56
- 239000007789 gas Substances 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 19
- 238000011144 upstream manufacturing Methods 0.000 claims description 13
- 239000000567 combustion gas Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 description 17
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
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
- F01D25/30—Exhaust heads, chambers, or the like
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/205—Cooling fluid recirculation, i.e. after cooling one or more components is the cooling fluid recovered and used elsewhere for other purposes
-
- 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
- F05D2260/60—Fluid transfer
- F05D2260/601—Fluid transfer using an ejector or a jet pump
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)
- Jet Pumps And Other Pumps (AREA)
- Exhaust Silencers (AREA)
Description
3 圧縮機
5 燃焼器
7 タービン
11 ロータ(回転軸)
31,33,35 軸受
43 排気ディフューザ
49 排気通路
51 第1連結部材
53 第2連結部材
55 ストラット
57 軸受サポート(冷却対象部)
61 エジェクタ
63 換気ダクト
VA 換気用空気
EG 排気ガス
VP1〜3 換気通路
Claims (7)
- 空気を圧縮する圧縮機と、
前記圧縮機からの圧縮空気に燃料を供給して燃焼させる燃焼器と、
前記燃焼器からの燃焼ガスによって駆動されるタービンと、
前記タービンからの排気を排出する環状の排気ディフューザと、
前記排気ディフューザの径方向外側から該排気ディフューザを横断して、径方向内側の冷却対象部を通った後に前記排気ディフューザ内に接続される第1の換気通路と、
前記排気ディフューザの径方向外側から該排気ディフューザを横断して、径方向内側の冷却対象部を通った後に、さらに前記排気ディフューザの径方向内側から該排気ディフューザを横断して径方向外側に出る第2の換気通路と、
前記圧縮機からの圧縮空気を利用して、外気を前記圧縮空気とともに換気用空気として前記換気通路に供給するエジェクタと、
を備えるガスタービンエンジン。 - 請求項1において、前記第1の換気通路が、前記タービンからの排気が導入される前記排気ディフューザ内の前端に接続されているガスタービンエンジン。
- 請求項1または2において、前記エジェクタが、前記排気ディフューザの径方向外側に設けられているガスタービンエンジン。
- 請求項1から3のいずれか一項において、前記排気ディフューザは、外筒と内筒とが、排気ディフューザ内の排気通路を径方向に横断する第1および第2の連結部材により連結されており、前記第1の換気通路は、前記排気ディフューザの外筒の外側から外筒を貫通し、前記第1および第2の連結部材の一方の内方を通り、前記冷却対象部を経て前記排気ディフューザの内筒の内側から前記排気通路内に連通しており、前記第2の換気通路は、前記排気ディフューザの内筒の径方向内側から、前記第1および第2の連結部材の他方の内方を通って径方向外側に出るガスタービンエンジン。
- 請求項1から4のいずれか一項において、前記エジェクタが、前記換気用空気の流れ方向を前記外筒の軸心周りの接線方向にほぼ合致させた状態で、該ガスタービンエンジンに取り付けられているガスタービンエンジン。
- 請求項1から5のいずれか一項において、前記エジェクタは、前記圧縮空気の導入口を有するエジェクタボディと、該エジェクタボディの内側に嵌合されて外気の吸引通路を形成するノズルと、前記エジェクタボディと前記ノズルの上流端部との間に形成されて前記圧縮空気を前記ノズルの上流端部から吸引通路内に噴出する噴出通路とを備えているガスタービンエンジン。
- 請求項1から6のいずれか一項において、前記冷却対象部は、前記回転軸の軸受を支持する軸受サポートを含むガスタービンエンジン。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009284131A JP4958967B2 (ja) | 2009-12-15 | 2009-12-15 | 換気構造を改良したガスタービンエンジン |
EP10194877.6A EP2336524B1 (en) | 2009-12-15 | 2010-12-14 | Gas turbine engine with cooling arrangement |
US12/967,582 US8893509B2 (en) | 2009-12-15 | 2010-12-14 | Gas turbine engine with cooling arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009284131A JP4958967B2 (ja) | 2009-12-15 | 2009-12-15 | 換気構造を改良したガスタービンエンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011127447A JP2011127447A (ja) | 2011-06-30 |
JP4958967B2 true JP4958967B2 (ja) | 2012-06-20 |
Family
ID=43638879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009284131A Active JP4958967B2 (ja) | 2009-12-15 | 2009-12-15 | 換気構造を改良したガスタービンエンジン |
Country Status (3)
Country | Link |
---|---|
US (1) | US8893509B2 (ja) |
EP (1) | EP2336524B1 (ja) |
JP (1) | JP4958967B2 (ja) |
Families Citing this family (33)
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US20120023967A1 (en) * | 2010-07-30 | 2012-02-02 | Dede Brian C | Auxiliary power unit with hot section fire enclosure arrangement |
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US9567873B2 (en) | 2012-02-10 | 2017-02-14 | Mitsubishi Heavy Industries, Ltd. | Disc axis adjusting mechanism in gas turbine |
JP5738214B2 (ja) * | 2012-02-23 | 2015-06-17 | 三菱重工業株式会社 | ガスタービンにおけるディスク軸心調整機構 |
JP5738211B2 (ja) * | 2012-02-10 | 2015-06-17 | 三菱重工業株式会社 | ガスタービンにおけるディスク軸心調整機構 |
EP2634381A1 (de) * | 2012-02-28 | 2013-09-04 | Siemens Aktiengesellschaft | Gasturbine mit einem Abgas-Diffusor und Stützrippen |
US20130247584A1 (en) * | 2012-03-22 | 2013-09-26 | General Electric Company | Active control of compressor extraction flows used to cool a turbine exhaust frame |
US20130283814A1 (en) * | 2012-04-25 | 2013-10-31 | General Electric Company | Turbine cooling system |
US10273880B2 (en) * | 2012-04-26 | 2019-04-30 | General Electric Company | System and method of recirculating exhaust gas for use in a plurality of flow paths in a gas turbine engine |
US9003762B2 (en) * | 2012-10-02 | 2015-04-14 | General Electric Company | Turbine exhaust plume mitigation system |
ITFI20120221A1 (it) * | 2012-10-22 | 2014-04-23 | Nuovo Pignone Srl | "exhaust gas collector and gas turbine" |
US9091171B2 (en) * | 2012-10-30 | 2015-07-28 | Siemens Aktiengesellschaft | Temperature control within a cavity of a turbine engine |
US9611756B2 (en) * | 2012-11-02 | 2017-04-04 | General Electric Company | System and method for protecting components in a gas turbine engine with exhaust gas recirculation |
US20150308344A1 (en) * | 2012-12-29 | 2015-10-29 | United Technologies Corporation | Combination flow divider and bearing support |
US9581081B2 (en) | 2013-01-13 | 2017-02-28 | General Electric Company | System and method for protecting components in a gas turbine engine with exhaust gas recirculation |
EP3348803B1 (en) * | 2013-03-13 | 2019-09-11 | United Technologies Corporation | Engine mid-turbine frame transfer tube for low pressure turbine case cooling |
FR3006998B1 (fr) * | 2013-06-18 | 2015-06-05 | Snecma | Ventilation d'une nacelle de turbomachine |
US10294863B2 (en) | 2013-07-09 | 2019-05-21 | United Technologies Corporation | Preloaded AFT vent area for low pressure fan ducts |
US9822662B2 (en) | 2013-11-08 | 2017-11-21 | Siemens Energy, Inc. | Cooling system with compressor bleed and ambient air for gas turbine engine |
EP2896793A1 (en) | 2014-01-21 | 2015-07-22 | Alstom Technology Ltd | Method of operating a gas turbine assembly and the gas turbine assembly |
US9938855B2 (en) * | 2014-01-31 | 2018-04-10 | Pratt & Whitney Canada Corp. | Cooling system and method for supplying a cooling gas flow |
JP5876894B2 (ja) | 2014-04-07 | 2016-03-02 | 川崎重工業株式会社 | タービンの換気構造 |
EP3155233B1 (en) | 2014-06-10 | 2019-01-02 | Siemens Energy, Inc. | Gas turbine engine with rotor centering cooling system in an exhaust diffuser |
JP6399894B2 (ja) * | 2014-10-29 | 2018-10-03 | 三菱日立パワーシステムズ株式会社 | 排気装置及びガスタービン |
JP6498534B2 (ja) | 2015-06-09 | 2019-04-10 | 川崎重工業株式会社 | 排気ディフューザ |
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US10914185B2 (en) * | 2016-12-02 | 2021-02-09 | General Electric Company | Additive manufactured case with internal passages for active clearance control |
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-
2009
- 2009-12-15 JP JP2009284131A patent/JP4958967B2/ja active Active
-
2010
- 2010-12-14 EP EP10194877.6A patent/EP2336524B1/en active Active
- 2010-12-14 US US12/967,582 patent/US8893509B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2336524B1 (en) | 2017-04-05 |
EP2336524A3 (en) | 2011-10-05 |
EP2336524A2 (en) | 2011-06-22 |
US20110138819A1 (en) | 2011-06-16 |
JP2011127447A (ja) | 2011-06-30 |
US8893509B2 (en) | 2014-11-25 |
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