FR2955152B1 - Turbomachine a circulation de flux d'air de purge amelioree - Google Patents

Turbomachine a circulation de flux d'air de purge amelioree

Info

Publication number
FR2955152B1
FR2955152B1 FR1050131A FR1050131A FR2955152B1 FR 2955152 B1 FR2955152 B1 FR 2955152B1 FR 1050131 A FR1050131 A FR 1050131A FR 1050131 A FR1050131 A FR 1050131A FR 2955152 B1 FR2955152 B1 FR 2955152B1
Authority
FR
France
Prior art keywords
turbomachine
flow circulation
airflow flow
purge airflow
improved purge
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
Application number
FR1050131A
Other languages
English (en)
Other versions
FR2955152A1 (fr
Inventor
Ivan Guy Rouesne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SNECMA SAS filed Critical SNECMA SAS
Priority to FR1050131A priority Critical patent/FR2955152B1/fr
Publication of FR2955152A1 publication Critical patent/FR2955152A1/fr
Application granted granted Critical
Publication of FR2955152B1 publication Critical patent/FR2955152B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • 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
    • F01D25/125—Cooling of bearings
    • 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
    • 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
    • F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
    • F02C3/067—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages having counter-rotating rotors
    • 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
    • F05D2240/60—Shafts
    • F05D2240/63—Glands for admission or removal of fluids from shafts
    • 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)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
FR1050131A 2010-01-11 2010-01-11 Turbomachine a circulation de flux d'air de purge amelioree Active FR2955152B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1050131A FR2955152B1 (fr) 2010-01-11 2010-01-11 Turbomachine a circulation de flux d'air de purge amelioree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1050131A FR2955152B1 (fr) 2010-01-11 2010-01-11 Turbomachine a circulation de flux d'air de purge amelioree

Publications (2)

Publication Number Publication Date
FR2955152A1 FR2955152A1 (fr) 2011-07-15
FR2955152B1 true FR2955152B1 (fr) 2012-05-11

Family

ID=42536441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1050131A Active FR2955152B1 (fr) 2010-01-11 2010-01-11 Turbomachine a circulation de flux d'air de purge amelioree

Country Status (1)

Country Link
FR (1) FR2955152B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2992353B1 (fr) * 2012-06-21 2016-12-30 Snecma Ensemble forme d'un cone d'echappement et d'un carter d'echappement dans un moteur a turbine a gaz
US10480348B2 (en) 2016-04-29 2019-11-19 Rolls-Royce Corporation Lubrication scavenge system for a turbine engine with counter-rotating shafts
FR3062682B1 (fr) * 2017-02-07 2019-04-19 Safran Aircraft Engines Partie de turbomachine comprenant une paroi de separation de deux cavites pourvue de bossages
US10968760B2 (en) 2018-04-12 2021-04-06 Raytheon Technologies Corporation Gas turbine engine component for acoustic attenuation
US11346282B2 (en) * 2019-01-18 2022-05-31 Raytheon Technologies Corporation Gas turbine engine component for acoustic attenuation
FR3101379B1 (fr) * 2019-09-30 2022-08-26 Safran Aircraft Engines Pressurisation d’enceinte de turbomachine avec de l’air provenant de la veine secondaire

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6935837B2 (en) * 2003-02-27 2005-08-30 General Electric Company Methods and apparatus for assembling gas turbine engines
US7296398B2 (en) * 2004-10-29 2007-11-20 General Electric Company Counter-rotating turbine engine and method of assembling same
US7921634B2 (en) * 2006-10-31 2011-04-12 General Electric Company Turbofan engine assembly and method of assembling same

Also Published As

Publication number Publication date
FR2955152A1 (fr) 2011-07-15

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