FR2994453B1 - Ensemble a faible usure pour couronne aubagee de stator de turbomachine d'aeronef - Google Patents

Ensemble a faible usure pour couronne aubagee de stator de turbomachine d'aeronef

Info

Publication number
FR2994453B1
FR2994453B1 FR1257684A FR1257684A FR2994453B1 FR 2994453 B1 FR2994453 B1 FR 2994453B1 FR 1257684 A FR1257684 A FR 1257684A FR 1257684 A FR1257684 A FR 1257684A FR 2994453 B1 FR2994453 B1 FR 2994453B1
Authority
FR
France
Prior art keywords
airborne
turbomachine
low wear
wear assembly
curved crown
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
FR1257684A
Other languages
English (en)
Other versions
FR2994453A1 (fr
Inventor
Jean-Louis Bertrand
Steve Andre Lucien De-Combel
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 FR1257684A priority Critical patent/FR2994453B1/fr
Publication of FR2994453A1 publication Critical patent/FR2994453A1/fr
Application granted granted Critical
Publication of FR2994453B1 publication Critical patent/FR2994453B1/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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • 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
    • F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR1257684A 2012-08-08 2012-08-08 Ensemble a faible usure pour couronne aubagee de stator de turbomachine d'aeronef Active FR2994453B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1257684A FR2994453B1 (fr) 2012-08-08 2012-08-08 Ensemble a faible usure pour couronne aubagee de stator de turbomachine d'aeronef

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1257684A FR2994453B1 (fr) 2012-08-08 2012-08-08 Ensemble a faible usure pour couronne aubagee de stator de turbomachine d'aeronef

Publications (2)

Publication Number Publication Date
FR2994453A1 FR2994453A1 (fr) 2014-02-14
FR2994453B1 true FR2994453B1 (fr) 2014-09-05

Family

ID=46963958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1257684A Active FR2994453B1 (fr) 2012-08-08 2012-08-08 Ensemble a faible usure pour couronne aubagee de stator de turbomachine d'aeronef

Country Status (1)

Country Link
FR (1) FR2994453B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3176384B1 (fr) * 2015-12-04 2023-07-12 MTU Aero Engines AG Virole interne, secteur de virole interne, aubage statorique et turbomachine
DE102017209682A1 (de) 2017-06-08 2018-12-13 MTU Aero Engines AG Axial geteilter Turbomaschinen-Innenring
FR3087834B1 (fr) 2018-10-26 2021-05-07 Faurecia Systemes Dechappement Injecteur pour injecter un agent reducteur gazeux dans un flux de gaz d'echappement d'un moteur a combustion interne

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079128A (en) * 1961-01-23 1963-02-26 Burge Joseph Sealing and securing means for turbomachine blading
FR2556410B1 (fr) * 1983-12-07 1986-09-12 Snecma Dispositif de centrage de l'anneau interieur d'un stator a ailettes a calage variable
FR2603340B1 (fr) * 1986-09-03 1988-11-04 Snecma Turbomachine comportant un dispositif d'ajustement des jeux d'un joint a labyrinthe entre rotor et stator et de l'alignement de veine des gaz et methode d'application
US4792277A (en) * 1987-07-08 1988-12-20 United Technologies Corporation Split shroud compressor
FR2920492B1 (fr) * 2007-08-30 2009-10-30 Snecma Sa Etage d'aubes a calage variable pour une turbomachine
FR2964710B1 (fr) * 2010-09-14 2012-08-31 Snecma Douille pour aube a calage variable

Also Published As

Publication number Publication date
FR2994453A1 (fr) 2014-02-14

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