FR2975124B1 - Virole annulaire de moteur d'aeronef comportant une fenetre d'introduction d'aubes - Google Patents

Virole annulaire de moteur d'aeronef comportant une fenetre d'introduction d'aubes

Info

Publication number
FR2975124B1
FR2975124B1 FR1153970A FR1153970A FR2975124B1 FR 2975124 B1 FR2975124 B1 FR 2975124B1 FR 1153970 A FR1153970 A FR 1153970A FR 1153970 A FR1153970 A FR 1153970A FR 2975124 B1 FR2975124 B1 FR 2975124B1
Authority
FR
France
Prior art keywords
aubes
viro
aircraft engine
introduction window
engine annular
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
FR1153970A
Other languages
English (en)
Other versions
FR2975124A1 (fr
Inventor
Laurent Gilles Dezouche
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 FR1153970A priority Critical patent/FR2975124B1/fr
Priority to PCT/FR2012/050980 priority patent/WO2012153037A1/fr
Priority to US14/112,071 priority patent/US9879549B2/en
Priority to GB1319800.7A priority patent/GB2504883B/en
Publication of FR2975124A1 publication Critical patent/FR2975124A1/fr
Application granted granted Critical
Publication of FR2975124B1 publication Critical patent/FR2975124B1/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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • 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
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps 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
    • F04D29/66—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
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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
    • F05D2240/40—Use of a multiplicity of similar components
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
FR1153970A 2011-05-09 2011-05-09 Virole annulaire de moteur d'aeronef comportant une fenetre d'introduction d'aubes Active FR2975124B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1153970A FR2975124B1 (fr) 2011-05-09 2011-05-09 Virole annulaire de moteur d'aeronef comportant une fenetre d'introduction d'aubes
PCT/FR2012/050980 WO2012153037A1 (fr) 2011-05-09 2012-05-03 Virole annulaire de moteur d'aeronef comportant une fenetre d'introduction d'aubes
US14/112,071 US9879549B2 (en) 2011-05-09 2012-05-03 Aircraft engine annular shroud comprising an opening for the insertion of blades
GB1319800.7A GB2504883B (en) 2011-05-09 2012-05-03 Aircraft engine annular shroud comprising an opening for the insertion of blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1153970A FR2975124B1 (fr) 2011-05-09 2011-05-09 Virole annulaire de moteur d'aeronef comportant une fenetre d'introduction d'aubes

Publications (2)

Publication Number Publication Date
FR2975124A1 FR2975124A1 (fr) 2012-11-16
FR2975124B1 true FR2975124B1 (fr) 2013-05-24

Family

ID=46201711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153970A Active FR2975124B1 (fr) 2011-05-09 2011-05-09 Virole annulaire de moteur d'aeronef comportant une fenetre d'introduction d'aubes

Country Status (4)

Country Link
US (1) US9879549B2 (fr)
FR (1) FR2975124B1 (fr)
GB (1) GB2504883B (fr)
WO (1) WO2012153037A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2821595A1 (fr) * 2013-07-03 2015-01-07 Techspace Aero S.A. Secteur d'aubes statorique à fixation mixte pour turbomachine axiale
US10443451B2 (en) * 2016-07-18 2019-10-15 Pratt & Whitney Canada Corp. Shroud housing supported by vane segments
FR3081501B1 (fr) 2018-05-23 2020-09-18 Safran Aircraft Engines Obturateur pour turboreacteur ayant une aube de redresseur absente

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1123527A (en) * 1913-11-21 1915-01-05 Laval Steam Turbine Co Rotary fluid-pressure motor.
US2199243A (en) 1939-03-01 1940-04-30 Gen Electric Elastic fluid turbine rotor
US3923420A (en) * 1973-04-30 1975-12-02 Gen Electric Blade platform with friction damping interlock
US4155680A (en) * 1977-02-14 1979-05-22 General Electric Company Compressor protection means
US4702673A (en) * 1985-10-18 1987-10-27 General Electric Company Method for assembly of tangential entry dovetailed bucket assemblies on a turbomachine bucket wheel
FR2690202B1 (fr) * 1992-04-17 1995-07-07 Alsthom Gec Perfectionnements aux modules haute pression de turbine a rotor tambour avec admission de vapeur a tres hautes caracteristiques.
US5846050A (en) * 1997-07-14 1998-12-08 General Electric Company Vane sector spring
US6152698A (en) * 1999-08-02 2000-11-28 General Electric Company Kit of articles and method for assembling articles along a holder distance
US6296443B1 (en) * 1999-12-03 2001-10-02 General Electric Company Vane sector seating spring and method of retaining same
FR2831615B1 (fr) * 2001-10-31 2004-01-02 Snecma Moteurs Redresseur fixe sectorise pour compresseur d'une turbomachine
US6893224B2 (en) * 2002-12-11 2005-05-17 General Electric Company Methods and apparatus for assembling turbine engines
US7261518B2 (en) * 2005-03-24 2007-08-28 Siemens Demag Delaval Turbomachinery, Inc. Locking arrangement for radial entry turbine blades
JP4929316B2 (ja) * 2009-07-13 2012-05-09 三菱重工業株式会社 回転体
GB0913885D0 (en) * 2009-08-08 2009-09-16 Alstom Technology Ltd Turbine diaphragms

Also Published As

Publication number Publication date
US9879549B2 (en) 2018-01-30
GB201319800D0 (en) 2013-12-25
FR2975124A1 (fr) 2012-11-16
WO2012153037A1 (fr) 2012-11-15
GB2504883B (en) 2017-12-13
US20140056711A1 (en) 2014-02-27
GB2504883A (en) 2014-02-12

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