FR3001492B1 - Stator de turbomachine avec controle passif de la purge - Google Patents

Stator de turbomachine avec controle passif de la purge

Info

Publication number
FR3001492B1
FR3001492B1 FR1350677A FR1350677A FR3001492B1 FR 3001492 B1 FR3001492 B1 FR 3001492B1 FR 1350677 A FR1350677 A FR 1350677A FR 1350677 A FR1350677 A FR 1350677A FR 3001492 B1 FR3001492 B1 FR 3001492B1
Authority
FR
France
Prior art keywords
purge
passive control
turbomachine stator
turbomachine
stator
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
FR1350677A
Other languages
English (en)
Other versions
FR3001492A1 (fr
Inventor
Remi Olive
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 FR1350677A priority Critical patent/FR3001492B1/fr
Publication of FR3001492A1 publication Critical patent/FR3001492A1/fr
Application granted granted Critical
Publication of FR3001492B1 publication Critical patent/FR3001492B1/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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/294—Three-dimensional machined; miscellaneous grooved
    • 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
    • F05D2250/60—Structure; Surface texture
    • F05D2250/63—Structure; Surface texture coarse
    • 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
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1350677A 2013-01-25 2013-01-25 Stator de turbomachine avec controle passif de la purge Active FR3001492B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1350677A FR3001492B1 (fr) 2013-01-25 2013-01-25 Stator de turbomachine avec controle passif de la purge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1350677A FR3001492B1 (fr) 2013-01-25 2013-01-25 Stator de turbomachine avec controle passif de la purge

Publications (2)

Publication Number Publication Date
FR3001492A1 FR3001492A1 (fr) 2014-08-01
FR3001492B1 true FR3001492B1 (fr) 2017-09-01

Family

ID=48692576

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1350677A Active FR3001492B1 (fr) 2013-01-25 2013-01-25 Stator de turbomachine avec controle passif de la purge

Country Status (1)

Country Link
FR (1) FR3001492B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190242270A1 (en) * 2018-02-05 2019-08-08 United Technologies Corporation Heat transfer augmentation feature for components of gas turbine engines
US10822987B1 (en) 2019-04-16 2020-11-03 Pratt & Whitney Canada Corp. Turbine stator outer shroud cooling fins
FR3118783B1 (fr) * 2021-01-14 2023-06-23 Safran Aircraft Engines Turbine a gaz haute-pression pour turbomachine
FR3127519B1 (fr) * 2021-09-27 2023-09-22 Safran Aircraft Engines Turbine a gaz haute-pression pour turbomachine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251040B (en) * 1990-12-22 1994-06-22 Rolls Royce Plc Seal arrangement
US5201847A (en) * 1991-11-21 1993-04-13 Westinghouse Electric Corp. Shroud design
US5252026A (en) * 1993-01-12 1993-10-12 General Electric Company Gas turbine engine nozzle
FR2833035B1 (fr) * 2001-12-05 2004-08-06 Snecma Moteurs Plate-forme d'aube de distributeur pour moteur a turbine a gaz
DE10295864D2 (de) * 2001-12-14 2004-11-04 Alstom Technology Ltd Baden Gasturbinenanordnung
US6887039B2 (en) * 2002-07-10 2005-05-03 Mitsubishi Heavy Industries, Ltd. Stationary blade in gas turbine and gas turbine comprising the same
US7114339B2 (en) * 2004-03-30 2006-10-03 United Technologies Corporation Cavity on-board injection for leakage flows
GB2447892A (en) * 2007-03-24 2008-10-01 Rolls Royce Plc Sealing assembly
US20090014964A1 (en) * 2007-07-09 2009-01-15 Siemens Power Generation, Inc. Angled honeycomb seal between turbine rotors and turbine stators in a turbine engine
EP2093381A1 (fr) * 2008-02-25 2009-08-26 Siemens Aktiengesellschaft Aube rotorique ou statorique de turbine à plateforme refroidie
GB0808206D0 (en) * 2008-05-07 2008-06-11 Rolls Royce Plc A blade arrangement
US8312729B2 (en) * 2009-09-21 2012-11-20 Honeywell International Inc. Flow discouraging systems and gas turbine engines
EP2453109B1 (fr) * 2010-11-15 2016-03-30 Alstom Technology Ltd Agencement de turbine à gaz et procédé de fonctionnement d'un agencement de turbine à gaz

Also Published As

Publication number Publication date
FR3001492A1 (fr) 2014-08-01

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