FR3118093B1 - Aube de turbine, en particulier destinée à une turbine contrarotative - Google Patents

Aube de turbine, en particulier destinée à une turbine contrarotative Download PDF

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Publication number
FR3118093B1
FR3118093B1 FR2013420A FR2013420A FR3118093B1 FR 3118093 B1 FR3118093 B1 FR 3118093B1 FR 2013420 A FR2013420 A FR 2013420A FR 2013420 A FR2013420 A FR 2013420A FR 3118093 B1 FR3118093 B1 FR 3118093B1
Authority
FR
France
Prior art keywords
turbine
blade
counter
rotating
turbine blade
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
FR2013420A
Other languages
English (en)
Other versions
FR3118093A1 (fr
Inventor
Pascal Grégory Casaliggi
Patrick Jean Laurent Sultana
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 FR2013420A priority Critical patent/FR3118093B1/fr
Publication of FR3118093A1 publication Critical patent/FR3118093A1/fr
Application granted granted Critical
Publication of FR3118093B1 publication Critical patent/FR3118093B1/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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/03—Annular blade-carrying members having blades on the inner periphery of the annulus and extending inwardly radially, i.e. inverted rotors
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • F01D5/048—Form or construction
    • 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
    • F05D2260/15—Load balancing
    • 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)

Abstract

L’invention concerne une aube (7) pour turbine contrarotative de turbomachine, comportant un corps (12) comprenant une partie radialement externe (13) et une partie radialement interne (14), la partie externe ou la partie interne de l’aube (7) étant destinée à être fixée à un tambour (9) de la turbine, caractérisée en ce que ladite aube (7) comporte des moyens de traction aptes à générer un effort de traction (FT) entre la partie externe (13) et la partie interne (14) du corps (12). Figure à publier avec l’abrégé : Figure n°2
FR2013420A 2020-12-17 2020-12-17 Aube de turbine, en particulier destinée à une turbine contrarotative Active FR3118093B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2013420A FR3118093B1 (fr) 2020-12-17 2020-12-17 Aube de turbine, en particulier destinée à une turbine contrarotative

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2013420 2020-12-17
FR2013420A FR3118093B1 (fr) 2020-12-17 2020-12-17 Aube de turbine, en particulier destinée à une turbine contrarotative

Publications (2)

Publication Number Publication Date
FR3118093A1 FR3118093A1 (fr) 2022-06-24
FR3118093B1 true FR3118093B1 (fr) 2023-01-27

Family

ID=74592228

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2013420A Active FR3118093B1 (fr) 2020-12-17 2020-12-17 Aube de turbine, en particulier destinée à une turbine contrarotative

Country Status (1)

Country Link
FR (1) FR3118093B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453294A1 (fr) * 1979-04-04 1980-10-31 Snecma Dispositif de fixation d'aubes sur un rotor de compresseur pour turbo-reacteur
US8191352B2 (en) * 2008-12-19 2012-06-05 General Electric Company Geared differential speed counter-rotatable low pressure turbine
US10746047B2 (en) * 2017-10-27 2020-08-18 General Electric Company Structure for mitigating vibratory modes of counter-rotating engine rotors

Also Published As

Publication number Publication date
FR3118093A1 (fr) 2022-06-24

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