FR3119859B1 - Anneau de commande d’un etage d’aubes a calage variable pour une turbomachine - Google Patents

Anneau de commande d’un etage d’aubes a calage variable pour une turbomachine Download PDF

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Publication number
FR3119859B1
FR3119859B1 FR2101397A FR2101397A FR3119859B1 FR 3119859 B1 FR3119859 B1 FR 3119859B1 FR 2101397 A FR2101397 A FR 2101397A FR 2101397 A FR2101397 A FR 2101397A FR 3119859 B1 FR3119859 B1 FR 3119859B1
Authority
FR
France
Prior art keywords
turbomachine
stage
variable pitch
members
control ring
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
FR2101397A
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English (en)
Other versions
FR3119859A1 (fr
Inventor
Tony Claude Léon Bergel
Combel Steve André Lucien De
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
Safran Aircraft Engines 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 Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR2101397A priority Critical patent/FR3119859B1/fr
Publication of FR3119859A1 publication Critical patent/FR3119859A1/fr
Application granted granted Critical
Publication of FR3119859B1 publication Critical patent/FR3119859B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • F05D2230/642—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins using maintaining alignment while permitting differential dilatation
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/90—Coating; Surface treatment
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/24—Three-dimensional ellipsoidal
    • F05D2250/241—Three-dimensional ellipsoidal spherical
    • 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
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/38—Retaining components in desired mutual position by a spring, i.e. spring loaded or biased towards a certain position
    • 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
    • F05D2260/50—Kinematic linkage, i.e. transmission of position
    • F05D2260/52—Kinematic linkage, i.e. transmission of position involving springs
    • 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
    • F05D2300/20—Oxide or non-oxide ceramics
    • F05D2300/22—Non-oxide ceramics
    • F05D2300/224—Carbon, e.g. graphite
    • 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
    • F05D2300/40—Organic materials
    • F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
    • 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
    • F05D2300/509—Self lubricating materials; Solid lubricants
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne un anneau (5) de commande d’un étage (1) d’aubes à calage variable pour une turbomachine d’aéronef, comportant : - un corps (50) destiné à s'étendre autour d'un carter de la turbomachine, - des organes de liaison configurés pour être reliés à des pivots cylindriques desdites aubes, - des organes de support et de guidage (8) qui sont configurés pour coopérer avec ledit carter afin de centrer et de guider ledit corps (50), ces organes (8) comportant chacun à une de ses extrémités longitudinales un organe d'appui sur le carter, le corps (50) comportant des premiers orifices traversant (52) de montage desdits organes de liaison, et des seconds orifices traversant (54) de montage desdits organes (8), dans lequel lesdits seconds orifices (54) ont chacun une dimension radiale (H54) qui est supérieure à une dimension radiale (H52) desdits premiers orifices (52). Figure pour l’abrégé : Figure 3
FR2101397A 2021-02-15 2021-02-15 Anneau de commande d’un etage d’aubes a calage variable pour une turbomachine Active FR3119859B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2101397A FR3119859B1 (fr) 2021-02-15 2021-02-15 Anneau de commande d’un etage d’aubes a calage variable pour une turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2101397A FR3119859B1 (fr) 2021-02-15 2021-02-15 Anneau de commande d’un etage d’aubes a calage variable pour une turbomachine
FR2101397 2021-02-15

Publications (2)

Publication Number Publication Date
FR3119859A1 FR3119859A1 (fr) 2022-08-19
FR3119859B1 true FR3119859B1 (fr) 2024-01-12

Family

ID=75746819

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2101397A Active FR3119859B1 (fr) 2021-02-15 2021-02-15 Anneau de commande d’un etage d’aubes a calage variable pour une turbomachine

Country Status (1)

Country Link
FR (1) FR3119859B1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6121840U (ja) * 1984-07-13 1986-02-08 トヨタ自動車株式会社 ガスタ−ビンエンジンの可変ノズル用リンク駆動リングの支持構造
FR2879686B1 (fr) * 2004-12-16 2007-04-06 Snecma Moteurs Sa Turbomachine a stator comportant un etage d'aubes de redresseur actionnees par une couronne rotative a centrage automatique
FR2882578B1 (fr) * 2005-02-25 2007-05-25 Snecma Moteurs Sa Dispositif de reglage du centrage d'un anneau de synchronisation de commande d'aubes pivotantes de turbomachine
FR3024996B1 (fr) * 2014-08-22 2019-03-22 Safran Aircraft Engines Anneau de commande d'un etage d'aubes a calage variable pour une turbomachine
FR3038666B1 (fr) 2015-07-09 2017-07-07 Snecma Anneau de commande d'aubes a calage variable pour une turbomachine
GB2550957A (en) * 2016-06-03 2017-12-06 Rolls Royce Plc Gas turbine engine
DE102017203834A1 (de) * 2017-03-08 2018-09-13 Siemens Aktiengesellschaft Verstelleinrichtung für Leitschaufeln einer Turbine
US10392945B2 (en) * 2017-05-19 2019-08-27 General Electric Company Turbomachine cooling system
FR3077851B1 (fr) * 2018-02-09 2020-01-17 Safran Aircraft Engines Ensemble de commande d'un etage d'aubes a calage variable pour une turbomachine
US10801362B2 (en) * 2018-06-19 2020-10-13 General Electric Company Self centering unison ring
BE1026816B1 (fr) * 2018-11-29 2020-07-01 Safran Aero Boosters Sa Système de calage variable d’aubes d’un étage statorique d’un compresseur d’une turbomachine d’aéronef
GB201901108D0 (en) * 2019-01-28 2019-03-13 Rolls Royce Plc Component for fastening arrangement, fastening arrangement and gas turbine engine comprising fastening arrangement

Also Published As

Publication number Publication date
FR3119859A1 (fr) 2022-08-19

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