FR2895021B1 - INTER-STAGE SEALING SYSTEM IN A TURBOMACHINE - Google Patents

INTER-STAGE SEALING SYSTEM IN A TURBOMACHINE

Info

Publication number
FR2895021B1
FR2895021B1 FR0512791A FR0512791A FR2895021B1 FR 2895021 B1 FR2895021 B1 FR 2895021B1 FR 0512791 A FR0512791 A FR 0512791A FR 0512791 A FR0512791 A FR 0512791A FR 2895021 B1 FR2895021 B1 FR 2895021B1
Authority
FR
France
Prior art keywords
turbomachine
inter
sealing system
stage sealing
stage
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
FR0512791A
Other languages
French (fr)
Other versions
FR2895021A1 (en
Inventor
Claude Mons
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 FR0512791A priority Critical patent/FR2895021B1/en
Publication of FR2895021A1 publication Critical patent/FR2895021A1/en
Application granted granted Critical
Publication of FR2895021B1 publication Critical patent/FR2895021B1/en
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
    • 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
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
    • 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
    • F02C7/28—Arrangement of seals
    • 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
    • F05D2240/80—Platforms for stationary or moving blades
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR0512791A 2005-12-16 2005-12-16 INTER-STAGE SEALING SYSTEM IN A TURBOMACHINE Active FR2895021B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0512791A FR2895021B1 (en) 2005-12-16 2005-12-16 INTER-STAGE SEALING SYSTEM IN A TURBOMACHINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0512791A FR2895021B1 (en) 2005-12-16 2005-12-16 INTER-STAGE SEALING SYSTEM IN A TURBOMACHINE

Publications (2)

Publication Number Publication Date
FR2895021A1 FR2895021A1 (en) 2007-06-22
FR2895021B1 true FR2895021B1 (en) 2010-09-03

Family

ID=36942506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0512791A Active FR2895021B1 (en) 2005-12-16 2005-12-16 INTER-STAGE SEALING SYSTEM IN A TURBOMACHINE

Country Status (1)

Country Link
FR (1) FR2895021B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7334983B2 (en) * 2005-10-27 2008-02-26 United Technologies Corporation Integrated bladed fluid seal
JP5308548B2 (en) * 2012-02-06 2013-10-09 三菱重工業株式会社 Seal structure and rotary machine equipped with the same
US10006364B2 (en) * 2014-08-20 2018-06-26 United Technologies Corporation Gas turbine rotors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1318654A (en) * 1970-12-05 1973-05-31 Secr Defence Bladed rotors
DE2555911A1 (en) * 1975-12-12 1977-06-23 Motoren Turbinen Union ROTOR FOR FLOW MACHINES, IN PARTICULAR GAS TURBINE JETS
US5156525A (en) * 1991-02-26 1992-10-20 General Electric Company Turbine assembly
DE10047307A1 (en) * 2000-09-25 2002-08-01 Alstom Switzerland Ltd sealing arrangement
FR2834751B1 (en) * 2002-01-17 2004-09-10 Snecma Moteurs ROTOR ARRANGEMENT OF A TURBOMACHINE
US7059829B2 (en) * 2004-02-09 2006-06-13 Siemens Power Generation, Inc. Compressor system with movable seal lands

Also Published As

Publication number Publication date
FR2895021A1 (en) 2007-06-22

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