FR2978798B1 - Secteur angulaire de redresseur de turbomachine a amortissement des modes de vibrations - Google Patents

Secteur angulaire de redresseur de turbomachine a amortissement des modes de vibrations

Info

Publication number
FR2978798B1
FR2978798B1 FR1157121A FR1157121A FR2978798B1 FR 2978798 B1 FR2978798 B1 FR 2978798B1 FR 1157121 A FR1157121 A FR 1157121A FR 1157121 A FR1157121 A FR 1157121A FR 2978798 B1 FR2978798 B1 FR 2978798B1
Authority
FR
France
Prior art keywords
vibration modes
angular sector
damping vibration
turbomachine rectifier
turbomachine
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
FR1157121A
Other languages
English (en)
Other versions
FR2978798A1 (fr
Inventor
Yvon Cloarec
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 FR1157121A priority Critical patent/FR2978798B1/fr
Publication of FR2978798A1 publication Critical patent/FR2978798A1/fr
Application granted granted Critical
Publication of FR2978798B1 publication Critical patent/FR2978798B1/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
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • 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
    • F01D25/04—Antivibration arrangements
    • 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
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—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
    • F04D29/661—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
    • 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)
FR1157121A 2011-08-03 2011-08-03 Secteur angulaire de redresseur de turbomachine a amortissement des modes de vibrations Active FR2978798B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1157121A FR2978798B1 (fr) 2011-08-03 2011-08-03 Secteur angulaire de redresseur de turbomachine a amortissement des modes de vibrations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1157121A FR2978798B1 (fr) 2011-08-03 2011-08-03 Secteur angulaire de redresseur de turbomachine a amortissement des modes de vibrations

Publications (2)

Publication Number Publication Date
FR2978798A1 FR2978798A1 (fr) 2013-02-08
FR2978798B1 true FR2978798B1 (fr) 2013-09-06

Family

ID=44654412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1157121A Active FR2978798B1 (fr) 2011-08-03 2011-08-03 Secteur angulaire de redresseur de turbomachine a amortissement des modes de vibrations

Country Status (1)

Country Link
FR (1) FR2978798B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3008455B1 (fr) * 2013-07-09 2015-08-21 Snecma Redresseur pour compresseur comportant des moyens de rattrapage de jeu
DE102014205228A1 (de) * 2014-03-20 2015-09-24 Rolls-Royce Deutschland Ltd & Co Kg Schaufelreihengruppe
EP3215715B1 (fr) 2014-11-03 2020-09-23 Nuovo Pignone S.r.l. Secteur pour l'assemblage d'un étage d'une turbine et procédé de fabrication associé
GB2551164B (en) * 2016-06-08 2019-12-25 Rolls Royce Plc Metallic stator vane
CN109611375B (zh) * 2018-12-10 2020-09-25 中国航发四川燃气涡轮研究院 一种抑制小展弦比静子叶片振动的外环挂钩结构
FR3114626A1 (fr) * 2020-09-30 2022-04-01 Commissariat A L'energie Atomique Et Aux Energies Alternatives Virole auto-amortie
FR3137128A1 (fr) 2022-06-22 2023-12-29 Safran Aircraft Engines Ensemble de turbomachine comportant des aubes portant des léchettes et un câble reliant les léchettes les unes aux autres

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190112347A (en) * 1901-06-17 1902-06-17 Charles Algernon Parsons Improvements in and relating to Steam Turbine Blades.
FR1326037A (fr) * 1962-06-07 1963-05-03 Napier Aero Engines Ltd Turbine
US6821087B2 (en) * 2002-01-21 2004-11-23 Honda Giken Kogyo Kabushiki Kaisha Flow-rectifying member and its unit and method for producing flow-rectifying member
US8128354B2 (en) * 2007-01-17 2012-03-06 Siemens Energy, Inc. Gas turbine engine
DE102009003638A1 (de) * 2008-03-31 2009-10-01 General Electric Co. System und Verfahren zur Halterung von Statorkomponenten
US8511982B2 (en) * 2008-11-24 2013-08-20 Alstom Technology Ltd. Compressor vane diaphragm

Also Published As

Publication number Publication date
FR2978798A1 (fr) 2013-02-08

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