JP5210560B2 - 遠心圧縮機のインペラの冷却システム - Google Patents
遠心圧縮機のインペラの冷却システム Download PDFInfo
- Publication number
- JP5210560B2 JP5210560B2 JP2007186665A JP2007186665A JP5210560B2 JP 5210560 B2 JP5210560 B2 JP 5210560B2 JP 2007186665 A JP2007186665 A JP 2007186665A JP 2007186665 A JP2007186665 A JP 2007186665A JP 5210560 B2 JP5210560 B2 JP 5210560B2
- Authority
- JP
- Japan
- Prior art keywords
- diffuser
- annular
- metal plate
- downstream
- fins
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 36
- 239000002184 metal Substances 0.000 claims description 36
- 238000002485 combustion reaction Methods 0.000 claims description 22
- 238000011144 upstream manufacturing Methods 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 6
- 238000005219 brazing Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
- F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
- F01D5/046—Heating, heat insulation or cooling 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
11 インペラ
12 環状ディフューザ
14 燃焼室
26 環状末端部
28 外側カウリング
30 上流カバー
38 噴射手段
39 第1の環状通路
90 環状金属板
94、96 半径方向のフィン
98 第2の環状通路
100 空気が入る環状一列の穴
104 スロットまたは溝
Claims (10)
- 遠心圧縮機(10)が、外側カウリング(28)により支持されて環状末端部(26)を含む環状ディフューザ(12)を供給し、この環状末端部が、遠心圧縮機のインペラ(11)に沿って下流に延びてタービンエンジンの燃焼室(14)の支持構造部品に下流で接続された、タービンエンジン内の遠心圧縮機のインペラの冷却システムであって、ディフューザの末端部が、上流側で、この末端部に固定される環状金属板(90)により被覆されており、この金属板が、圧縮機のインペラと共に、圧縮機の出口で取り出された空気が流れる第1の環状通路(39)を画定し、ディフューザの末端部と共に、このディフューザから出る空気流量の一部が流れる第2の環状通路(98)を画定することを特徴とする、システム。
- ディフューザの末端部(26)と環状金属板(90)との間に半径方向のフィン(94、96)が配置され、これらのフィンが、タービンエンジンの軸を中心として規則正しく配分されていることを特徴とする、請求項1に記載のシステム。
- フィンが、環状金属板の半径方向の部分とディフューザの末端部の半径方向の部分との間に延びる上流のフィン(94)と、環状金属板の円筒部分とディフューザの末端部の円筒部分との間に延びる下流フィン(96)とを含むことを特徴とする、請求項2に記載のシステム。
- 上流および下流のフィン(94、96)が、それぞれ全部で36個であることを特徴とする、請求項3に記載のシステム。
- フィン(94、96)が、ディフューザの末端部(26)と一体部品として形成され、環状金属板(90)に溶接またはろう付けによって固定されることを特徴とする、請求項2から4に記載のシステム。
- ディフューザの末端部に結合されるフィン(94、96)の端が、環状金属板のスロットまたは溝(104)に係合されることを特徴とする、請求項5に記載のシステム。
- 環状金属板(90)が、ディフューザの末端部(26)に溶接により固定されることを特徴とする、請求項1から6のいずれか一項に記載のシステム。
- ディフューザの末端部が、その上流端に、このディフューザから送られる空気が入る環状一列の穴(100)を含み、これらの穴が、ほぼ半径方向に配向されて、第2の環状通路(98)内で穴の半径方向内側の端に通じていることを特徴とする、請求項1から7のいずれか一項に記載のシステム。
- ディフューザの末端部が、その下流端でタービンの冷却空気の噴射手段(38)に固定され、第2の環状通路(98)の出口が、これらの噴射手段の入口と連通していることを特徴とする、請求項1から8のいずれか一項に記載のシステム。
- 請求項1から9のいずれか一項に記載の冷却システムを含むことを特徴とする、タービンエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0606539A FR2904035B1 (fr) | 2006-07-19 | 2006-07-19 | Systeme de refroidissement du rouet d'un compresseur centrifuge. |
FR0606539 | 2006-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008038903A JP2008038903A (ja) | 2008-02-21 |
JP5210560B2 true JP5210560B2 (ja) | 2013-06-12 |
Family
ID=37685949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007186665A Active JP5210560B2 (ja) | 2006-07-19 | 2007-07-18 | 遠心圧縮機のインペラの冷却システム |
Country Status (7)
Country | Link |
---|---|
US (1) | US7937951B2 (ja) |
EP (1) | EP1882825B1 (ja) |
JP (1) | JP5210560B2 (ja) |
CA (1) | CA2594259C (ja) |
FR (1) | FR2904035B1 (ja) |
RU (1) | RU2433308C2 (ja) |
UA (1) | UA93363C2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2904034B1 (fr) * | 2006-07-19 | 2010-11-12 | Snecma | Systeme de refroidissement d'une cavite aval de rouet de compresseur centrifuge. |
FR2927951B1 (fr) * | 2008-02-27 | 2011-08-19 | Snecma | Ensemble diffuseur-redresseur pour une turbomachine |
US8147178B2 (en) * | 2008-12-23 | 2012-04-03 | General Electric Company | Centrifugal compressor forward thrust and turbine cooling apparatus |
US8087249B2 (en) * | 2008-12-23 | 2012-01-03 | General Electric Company | Turbine cooling air from a centrifugal compressor |
FR2946687B1 (fr) * | 2009-06-10 | 2011-07-01 | Snecma | Turbomachine comprenant des moyens ameliores de reglage du debit d'un flux d'air de refroidissement preleve en sortie de compresseur haute pression |
FR2950656B1 (fr) * | 2009-09-25 | 2011-09-23 | Snecma | Ventilation d'une roue de turbine dans une turbomachine |
FR2960923B1 (fr) | 2010-06-08 | 2013-12-20 | Snecma | Controle de la poussee axiale par guidage de l'air preleve sur un compresseur centrifuge |
US9033648B2 (en) | 2010-12-24 | 2015-05-19 | Rolls-Royce North American Technologies, Inc. | Cooled gas turbine engine member |
US9228497B2 (en) | 2010-12-30 | 2016-01-05 | Rolls-Royce Corporation | Gas turbine engine with secondary air flow circuit |
US9435259B2 (en) * | 2012-02-27 | 2016-09-06 | United Technologies Corporation | Gas turbine engine cooling system |
US9347374B2 (en) | 2012-02-27 | 2016-05-24 | United Technologies Corporation | Gas turbine engine buffer cooling system |
US9157325B2 (en) | 2012-02-27 | 2015-10-13 | United Technologies Corporation | Buffer cooling system providing gas turbine engine architecture cooling |
US9038398B2 (en) | 2012-02-27 | 2015-05-26 | United Technologies Corporation | Gas turbine engine buffer cooling system |
ITFI20130237A1 (it) | 2013-10-14 | 2015-04-15 | Nuovo Pignone Srl | "sealing clearance control in turbomachines" |
US10415478B2 (en) * | 2015-01-20 | 2019-09-17 | United Technologies Corporation | Air mixing systems having mixing chambers for gas turbine engines |
EP3312383B1 (en) * | 2016-10-24 | 2021-08-04 | Raytheon Technologies Corporation | Air mixing systems having mixing chambers for gas turbine engines |
US12012972B2 (en) * | 2022-07-25 | 2024-06-18 | Pratt & Whitney Canada Corp. | Diffuser and associated compressor section of aircraft engine |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3088279A (en) * | 1960-08-26 | 1963-05-07 | Gen Electric | Radial flow gas turbine power plant |
US4462204A (en) * | 1982-07-23 | 1984-07-31 | General Electric Company | Gas turbine engine cooling airflow modulator |
DE3514352A1 (de) * | 1985-04-20 | 1986-10-23 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Gasturbinentriebwerk mit einrichtungen zur abzweigung von verdichterluft zur kuehlung von heissteilen |
US5555721A (en) * | 1994-09-28 | 1996-09-17 | General Electric Company | Gas turbine engine cooling supply circuit |
US5601406A (en) * | 1994-12-21 | 1997-02-11 | Alliedsignal Inc. | Centrifugal compressor hub containment assembly |
US5996331A (en) * | 1997-09-15 | 1999-12-07 | Alliedsignal Inc. | Passive turbine coolant regulator responsive to engine load |
DE19845375A1 (de) * | 1998-10-02 | 2000-04-06 | Asea Brown Boveri | Verfahren und Vorrichtung zur indirekten Kühlung der Strömung in zwischen Rotoren und Statoren von Turbomaschinen ausgebildeten Radialspalten |
EP0961033B1 (de) * | 1998-05-25 | 2003-10-08 | ABB Turbo Systems AG | Radialverdichter |
JP4375883B2 (ja) * | 2000-06-02 | 2009-12-02 | 本田技研工業株式会社 | ガスタービンエンジンの軸受へのシールエア供給装置 |
US6276896B1 (en) * | 2000-07-25 | 2001-08-21 | Joseph C. Burge | Apparatus and method for cooling Axi-Centrifugal impeller |
US6843059B2 (en) * | 2002-11-19 | 2005-01-18 | General Electric Company | Combustor inlet diffuser with boundary layer blowing |
JP4091874B2 (ja) * | 2003-05-21 | 2008-05-28 | 本田技研工業株式会社 | ガスタービンエンジンの二次エア供給装置 |
US7287384B2 (en) * | 2004-12-13 | 2007-10-30 | Pratt & Whitney Canada Corp. | Bearing chamber pressurization system |
-
2006
- 2006-07-19 FR FR0606539A patent/FR2904035B1/fr active Active
-
2007
- 2007-06-20 EP EP07290766A patent/EP1882825B1/fr active Active
- 2007-07-16 CA CA2594259A patent/CA2594259C/fr active Active
- 2007-07-18 UA UAA200708214A patent/UA93363C2/uk unknown
- 2007-07-18 JP JP2007186665A patent/JP5210560B2/ja active Active
- 2007-07-18 RU RU2007127553/06A patent/RU2433308C2/ru active
- 2007-07-19 US US11/780,225 patent/US7937951B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2904035A1 (fr) | 2008-01-25 |
RU2433308C2 (ru) | 2011-11-10 |
UA93363C2 (uk) | 2011-02-10 |
FR2904035B1 (fr) | 2008-08-29 |
CA2594259A1 (fr) | 2008-01-19 |
CA2594259C (fr) | 2014-10-21 |
JP2008038903A (ja) | 2008-02-21 |
EP1882825B1 (fr) | 2011-08-10 |
US7937951B2 (en) | 2011-05-10 |
US20080141678A1 (en) | 2008-06-19 |
EP1882825A1 (fr) | 2008-01-30 |
RU2007127553A (ru) | 2009-01-27 |
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