FR2921408B1 - Jonc d'etancheite ou d'amortissement des vibrations pour rotor de turbomachine - Google Patents

Jonc d'etancheite ou d'amortissement des vibrations pour rotor de turbomachine

Info

Publication number
FR2921408B1
FR2921408B1 FR0706724A FR0706724A FR2921408B1 FR 2921408 B1 FR2921408 B1 FR 2921408B1 FR 0706724 A FR0706724 A FR 0706724A FR 0706724 A FR0706724 A FR 0706724A FR 2921408 B1 FR2921408 B1 FR 2921408B1
Authority
FR
France
Prior art keywords
damping rod
turbomachine rotor
vibration sealing
vibration
sealing
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
FR0706724A
Other languages
English (en)
Other versions
FR2921408A1 (fr
Inventor
Claude Marcel 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 FR0706724A priority Critical patent/FR2921408B1/fr
Publication of FR2921408A1 publication Critical patent/FR2921408A1/fr
Application granted granted Critical
Publication of FR2921408B1 publication Critical patent/FR2921408B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322—Blade mountings
    • 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
    • F01D11/005—Sealing means between non relatively rotating elements
    • 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
    • F01D25/162—Bearing supports
    • F01D25/164—Flexible supports; Vibration damping means associated with the bearing
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
    • 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
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • 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
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps
    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F05D2240/55—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
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/172—Copper alloys
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/501—Elasticity
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/505—Shape memory behaviour

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR0706724A 2007-09-26 2007-09-26 Jonc d'etancheite ou d'amortissement des vibrations pour rotor de turbomachine Active FR2921408B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0706724A FR2921408B1 (fr) 2007-09-26 2007-09-26 Jonc d'etancheite ou d'amortissement des vibrations pour rotor de turbomachine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0706724A FR2921408B1 (fr) 2007-09-26 2007-09-26 Jonc d'etancheite ou d'amortissement des vibrations pour rotor de turbomachine

Publications (2)

Publication Number Publication Date
FR2921408A1 FR2921408A1 (fr) 2009-03-27
FR2921408B1 true FR2921408B1 (fr) 2012-11-30

Family

ID=39709528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0706724A Active FR2921408B1 (fr) 2007-09-26 2007-09-26 Jonc d'etancheite ou d'amortissement des vibrations pour rotor de turbomachine

Country Status (1)

Country Link
FR (1) FR2921408B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179309A (zh) * 2015-06-24 2015-12-23 上海交通大学 一种压气机叶片

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010003594A1 (de) * 2010-04-01 2011-10-06 Deutsches Zentrum für Luft- und Raumfahrt e.V. Turbinenschaufel mit einem Schwingungsdämpfungselement
US9255595B2 (en) 2011-04-29 2016-02-09 Bae Systems Information And Electronic Systems Integration Inc. Optical dome bezel
WO2012148719A2 (fr) * 2011-04-29 2012-11-01 Bae Systems Information And Electronic Systems Integration Inc. Lunette à dôme optique
CN102588003B (zh) * 2012-03-15 2014-12-24 北京航空航天大学 一种低应力双圆弧面直榫连接结构
FR3095242B1 (fr) * 2019-04-16 2023-01-20 Safran Aircraft Engines Module de turbomachine equipe d’un dispositif d’amortissement pour palier de guidage de turbomachine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57190164A (en) * 1981-05-18 1982-11-22 Akira Washida Metallic o-ring
US4773680A (en) * 1984-09-04 1988-09-27 Beta Phase, Inc. Pipe couplers
JPS61152997A (ja) * 1984-12-27 1986-07-11 Toshiba Corp インペラ構造体
JPH05296004A (ja) * 1992-04-16 1993-11-09 Kobe Steel Ltd 膨張タービンの軸シール装置
FR2706728B1 (fr) * 1993-06-11 1995-09-01 Thomson Csf Dispositif de fermeture de boîtier hermétique à fermeture et ouverture rapides.
DE19752372A1 (de) * 1997-11-26 1999-05-27 Guenther Dipl Ing Beez Regelbare Kreiselpumpe, insbesondere für Verbrennungsmotore
JPH11351176A (ja) * 1998-06-15 1999-12-21 Hitachi Ltd バーレルケーシング型タービンポンプ
US6796408B2 (en) * 2002-09-13 2004-09-28 The Boeing Company Method for vibration damping using superelastic alloys
JP2005291152A (ja) * 2004-04-02 2005-10-20 Komatsu Ltd コンプレッサインペラと駆動軸との結合構造、およびこの結合構造を備えた装置
GB0505246D0 (en) * 2005-03-15 2005-04-20 Rolls Royce Plc Engine noise
FR2888877B1 (fr) * 2005-07-21 2011-04-01 Snecma Dispositif d'amortissement des vibrations d'un rotor
JP2007139037A (ja) * 2005-11-17 2007-06-07 Toyota Motor Corp シールリング

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179309A (zh) * 2015-06-24 2015-12-23 上海交通大学 一种压气机叶片
CN105179309B (zh) * 2015-06-24 2018-05-29 上海交通大学 一种压气机叶片

Also Published As

Publication number Publication date
FR2921408A1 (fr) 2009-03-27

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