FR2777598B1 - Prise d'air de refroidissement - Google Patents
Prise d'air de refroidissementInfo
- Publication number
- FR2777598B1 FR2777598B1 FR9904638A FR9904638A FR2777598B1 FR 2777598 B1 FR2777598 B1 FR 2777598B1 FR 9904638 A FR9904638 A FR 9904638A FR 9904638 A FR9904638 A FR 9904638A FR 2777598 B1 FR2777598 B1 FR 2777598B1
- Authority
- FR
- France
- Prior art keywords
- air intake
- cooling air
- cooling
- intake
- air
- 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.)
- Expired - Fee Related
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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/045—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector for radial flow machines or engines
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/105—Final actuators by passing part of the fluid
-
- 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
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction
-
- 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
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19817705A DE19817705C2 (de) | 1998-04-21 | 1998-04-21 | Kühlluftentnahme aus dem Diffusorteil eines Kompressors einer Gasturbine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2777598A1 FR2777598A1 (fr) | 1999-10-22 |
FR2777598B1 true FR2777598B1 (fr) | 2002-12-06 |
Family
ID=7865266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9904638A Expired - Fee Related FR2777598B1 (fr) | 1998-04-21 | 1999-04-14 | Prise d'air de refroidissement |
Country Status (7)
Country | Link |
---|---|
US (1) | US6210104B1 (fr) |
JP (1) | JPH11343867A (fr) |
DE (1) | DE19817705C2 (fr) |
FR (1) | FR2777598B1 (fr) |
GB (1) | GB2336645B (fr) |
IT (1) | IT1309705B1 (fr) |
SE (1) | SE521085C2 (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1079068A3 (fr) * | 1999-08-27 | 2004-01-07 | General Electric Company | Tube connecteur pour le circuit de refroidissement d'un rotor de turbine |
GB2383093A (en) * | 2001-12-12 | 2003-06-18 | Rolls Royce Plc | Flow turbulence reduction downstream of diverted flow |
US6695579B2 (en) | 2002-06-20 | 2004-02-24 | The Boeing Company | Diffuser having a variable blade height |
US7101151B2 (en) | 2003-09-24 | 2006-09-05 | General Electric Company | Diffuser for centrifugal compressor |
WO2006060013A1 (fr) * | 2004-12-01 | 2006-06-08 | United Technologies Corporation | Ensemble de joint de rotor de ventilateur de moteur de turbine a pression d’entree |
US7905703B2 (en) * | 2007-05-17 | 2011-03-15 | General Electric Company | Centrifugal compressor return passages using splitter vanes |
FR2920033B1 (fr) * | 2007-08-13 | 2014-08-22 | Snecma | Turbomachine avec diffuseur |
US8235648B2 (en) | 2008-09-26 | 2012-08-07 | Pratt & Whitney Canada Corp. | Diffuser with enhanced surge margin |
FR2937385B1 (fr) * | 2008-10-17 | 2010-12-10 | Turbomeca | Diffuseur muni d'aubes a orifices |
CN101446311B (zh) * | 2008-10-30 | 2011-09-28 | 南京航空航天大学 | 抑制压气机叶背分离的无源脉冲射流器 |
US8133017B2 (en) * | 2009-03-19 | 2012-03-13 | General Electric Company | Compressor diffuser |
GB0916901D0 (en) * | 2009-09-25 | 2009-11-11 | Dynamic Boosting Systems Ltd | Diffuser |
DE102009052619A1 (de) * | 2009-11-11 | 2011-05-12 | Siemens Aktiengesellschaft | Zwischenboden für eine Radialturbomaschine |
FR2958967B1 (fr) * | 2010-04-14 | 2013-03-15 | Turbomeca | Procede d'adaptation de debit d'air de turbomachine a compresseur centrifuge et diffuseur de mise en oeuvre |
US8864449B2 (en) | 2010-11-02 | 2014-10-21 | Hamilton Sundstrand Corporation | Drive ring bearing for compressor diffuser assembly |
US9228497B2 (en) | 2010-12-30 | 2016-01-05 | Rolls-Royce Corporation | Gas turbine engine with secondary air flow circuit |
FR2975451B1 (fr) | 2011-05-16 | 2016-07-01 | Turbomeca | Procede de soufflage dans un diffuseur de turbine a gaz et diffuseur correspondant |
DE102012204403A1 (de) * | 2012-03-20 | 2013-09-26 | Man Diesel & Turbo Se | Radialverdichtereinheit |
US9926942B2 (en) | 2015-10-27 | 2018-03-27 | Pratt & Whitney Canada Corp. | Diffuser pipe with vortex generators |
US10570925B2 (en) | 2015-10-27 | 2020-02-25 | Pratt & Whitney Canada Corp. | Diffuser pipe with splitter vane |
US10823197B2 (en) | 2016-12-20 | 2020-11-03 | Pratt & Whitney Canada Corp. | Vane diffuser and method for controlling a compressor having same |
KR102003041B1 (ko) * | 2018-11-20 | 2019-07-24 | 주식회사 조은바람 | 공기정화장치 제어방법 |
CN112955661A (zh) * | 2019-07-22 | 2021-06-11 | 开利公司 | 包括抽吸式扩散器的离心式或混流式压缩机 |
US11802482B2 (en) | 2022-01-28 | 2023-10-31 | Hamilton Sundstrand Corporation | Rotor with inlets to channels |
CN115013837B (zh) * | 2022-05-12 | 2023-08-18 | 中国航发四川燃气涡轮研究院 | 一种用于航空发动机燃烧室扩压器引气结构 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB666416A (en) * | 1948-02-09 | 1952-02-13 | Lysholm Alf | Gas turbine power plant for jet propulsion |
GB980363A (en) * | 1961-12-04 | 1965-01-13 | Jan Jerie | Improvements in or relating to gas turbines |
CH404069A (de) * | 1962-06-29 | 1965-12-15 | Licentia Gmbh | Strömungskanal, insbesondere Arbeitsmittelströmungskanal eines Turbokompressors |
US4005572A (en) * | 1975-04-18 | 1977-02-01 | Giffhorn William A | Gas turbine engine control system |
US4131389A (en) * | 1975-11-28 | 1978-12-26 | The Garrett Corporation | Centrifugal compressor with improved range |
US4368005A (en) * | 1977-05-09 | 1983-01-11 | Avco Corporation | Rotary compressors |
US4182117A (en) * | 1978-01-09 | 1980-01-08 | Avco Corporation | Diffuser vane cusp bleed aperture with automatic ejector control device |
AU533765B2 (en) * | 1978-11-20 | 1983-12-08 | Avco Corporation | Surge control in gas; turbine |
FR2487018A1 (fr) * | 1980-07-16 | 1982-01-22 | Onera (Off Nat Aerospatiale) | Perfectionnements aux compresseurs supersoniques |
US4431374A (en) * | 1981-02-23 | 1984-02-14 | Teledyne Industries, Inc. | Vortex controlled radial diffuser for centrifugal compressor |
DE3705307A1 (de) * | 1987-02-19 | 1988-09-01 | Kloeckner Humboldt Deutz Ag | Radialverdichter |
US5129224A (en) * | 1989-12-08 | 1992-07-14 | Sundstrand Corporation | Cooling of turbine nozzle containment ring |
-
1998
- 1998-04-21 DE DE19817705A patent/DE19817705C2/de not_active Expired - Fee Related
-
1999
- 1999-01-15 GB GB9900943A patent/GB2336645B/en not_active Expired - Fee Related
- 1999-02-19 IT IT1999MI000341A patent/IT1309705B1/it active
- 1999-02-22 US US09/255,626 patent/US6210104B1/en not_active Expired - Fee Related
- 1999-04-07 JP JP11134604A patent/JPH11343867A/ja not_active Ceased
- 1999-04-08 SE SE9901248A patent/SE521085C2/sv not_active IP Right Cessation
- 1999-04-14 FR FR9904638A patent/FR2777598B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT1309705B1 (it) | 2002-01-30 |
SE521085C2 (sv) | 2003-09-30 |
SE9901248L (sv) | 1999-10-22 |
JPH11343867A (ja) | 1999-12-14 |
US6210104B1 (en) | 2001-04-03 |
DE19817705C2 (de) | 2001-02-15 |
ITMI990341A1 (it) | 2000-08-19 |
DE19817705A1 (de) | 1999-11-04 |
SE9901248D0 (sv) | 1999-04-08 |
GB2336645B (en) | 2000-09-20 |
GB2336645A (en) | 1999-10-27 |
FR2777598A1 (fr) | 1999-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
CJ | Change in legal form | ||
ST | Notification of lapse |
Effective date: 20061230 |