FR3066531B1 - Aube en materiau composite et a plateforme integree pour une turbomachine d'aeronef - Google Patents

Aube en materiau composite et a plateforme integree pour une turbomachine d'aeronef Download PDF

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Publication number
FR3066531B1
FR3066531B1 FR1754437A FR1754437A FR3066531B1 FR 3066531 B1 FR3066531 B1 FR 3066531B1 FR 1754437 A FR1754437 A FR 1754437A FR 1754437 A FR1754437 A FR 1754437A FR 3066531 B1 FR3066531 B1 FR 3066531B1
Authority
FR
France
Prior art keywords
blade
platform
longitudinal edge
composite material
foot
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
FR1754437A
Other languages
English (en)
Other versions
FR3066531A1 (fr
Inventor
Alain De Gaillard Thomas
Henri Joseph Riera William
Olivier Vartan Martin Guillaume
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 FR1754437A priority Critical patent/FR3066531B1/fr
Priority to GB1808041.6A priority patent/GB2567911B/en
Priority to US15/982,880 priority patent/US10670038B2/en
Publication of FR3066531A1 publication Critical patent/FR3066531A1/fr
Application granted granted Critical
Publication of FR3066531B1 publication Critical patent/FR3066531B1/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
    • 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
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
    • 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
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • 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
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • 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
    • F05D2240/80—Platforms for stationary or moving blades
    • 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
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603—Composites; e.g. fibre-reinforced
    • 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)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Architecture (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Laminated Bodies (AREA)
  • Ceramic Engineering (AREA)

Abstract

Aube (110) en matériau composite et à plateforme (114) intégrée pour une turbomachine d'aéronef, comprenant un pied (112) relié à une pale (116) en ayant une plateforme à la liaison entre le pied et la pale, ledit pied ayant une forme générale allongée le long d'un axe d'allongement (A), ladite pale ayant en section une forme incurvée et comportant un intrados (118) et un extrados (120), ladite plateforme comportant une première portion (114a) s'étendant du côté de l'intrados de la pale et comportant un premier bord longitudinal libre (114aa) et un second bord longitudinal (114ab) opposé de liaison au reste de l'aube, ladite plateforme comportant une seconde portion (114b) s'étendant du côté de l'extrados de la pale et comportant un troisième bord longitudinal libre (114ba) et un quatrième bord longitudinal (11 4bb) opposé de liaison au reste de l'aube, caractérisée en ce que ledit premier bord longitudinal libre est incurvé concave et ledit troisième bord longitudinal libre est incurvé convexe, et pour tout plan (P, P') perpendiculaire audit axe d'allongement et coupant ladite plateforme, la distance (L1, L2 ; L1', L2') entre lesdits premier et second bords, d'une part, et la distance entre lesdits troisième et quatrième bords, d'autre part, sont identiques dans le plan considéré.
FR1754437A 2017-05-19 2017-05-19 Aube en materiau composite et a plateforme integree pour une turbomachine d'aeronef Active FR3066531B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1754437A FR3066531B1 (fr) 2017-05-19 2017-05-19 Aube en materiau composite et a plateforme integree pour une turbomachine d'aeronef
GB1808041.6A GB2567911B (en) 2017-05-19 2018-05-17 Blade made of composite material with integrated platform for an aircraft turbine engine
US15/982,880 US10670038B2 (en) 2017-05-19 2018-05-17 Blade made of composite material with integrated platform for an aircraft turbine engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1754437 2017-05-19
FR1754437A FR3066531B1 (fr) 2017-05-19 2017-05-19 Aube en materiau composite et a plateforme integree pour une turbomachine d'aeronef

Publications (2)

Publication Number Publication Date
FR3066531A1 FR3066531A1 (fr) 2018-11-23
FR3066531B1 true FR3066531B1 (fr) 2019-05-03

Family

ID=59381508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1754437A Active FR3066531B1 (fr) 2017-05-19 2017-05-19 Aube en materiau composite et a plateforme integree pour une turbomachine d'aeronef

Country Status (3)

Country Link
US (1) US10670038B2 (fr)
FR (1) FR3066531B1 (fr)
GB (1) GB2567911B (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743845B1 (fr) * 1996-01-23 1998-02-20 Snecma Aube mobile de soufflante a profil de securite
FR2861143B1 (fr) 2003-10-20 2006-01-20 Snecma Moteurs Aube de turbomachine, notamment aube de soufflante et son procede de fabrication
US7300253B2 (en) * 2005-07-25 2007-11-27 Siemens Aktiengesellschaft Gas turbine blade or vane and platform element for a gas turbine blade or vane ring of a gas turbine, supporting structure for securing gas turbine blades or vanes arranged in a ring, gas turbine blade or vane ring and the use of a gas turbine blade or vane ring
US20100166562A1 (en) * 2008-12-30 2010-07-01 General Electric Company Turbine blade root configurations
WO2013104852A2 (fr) 2012-01-09 2013-07-18 Snecma Preforme fibreuse d'une aube de turbomachine en materiau composite a plate-forme integree, et son procede de realisation
JP6367818B2 (ja) 2012-11-13 2018-08-01 サフラン エアークラフト エンジンズ ターボ機械のモノブロックプリフォーム及びブレード
FR3037097B1 (fr) * 2015-06-03 2017-06-23 Snecma Aube composite comprenant une plateforme munie d'un raidisseur
FR3048719B1 (fr) * 2016-03-14 2018-03-02 Safran Aircraft Engines Redresseur de flux pour turbomachine avec plateformes integrees et rapportees

Also Published As

Publication number Publication date
FR3066531A1 (fr) 2018-11-23
GB201808041D0 (en) 2018-07-04
US10670038B2 (en) 2020-06-02
GB2567911A (en) 2019-05-01
GB2567911B (en) 2022-02-16
US20180334911A1 (en) 2018-11-22

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