FR3144849B1 - Ensemble rotorique de soufflante pour turbomachine - Google Patents

Ensemble rotorique de soufflante pour turbomachine Download PDF

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Publication number
FR3144849B1
FR3144849B1 FR2300142A FR2300142A FR3144849B1 FR 3144849 B1 FR3144849 B1 FR 3144849B1 FR 2300142 A FR2300142 A FR 2300142A FR 2300142 A FR2300142 A FR 2300142A FR 3144849 B1 FR3144849 B1 FR 3144849B1
Authority
FR
France
Prior art keywords
rotor assembly
turbomachine
fan
blade
fan disc
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
FR2300142A
Other languages
English (en)
Other versions
FR3144849A1 (fr
Inventor
Antoine Bertrand François Mazeau
Yohannes Marcelet
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
Safran Aircraft Engine Mexico SA de CV
Original Assignee
Safran Aircraft Engines SAS
Safran Aircraft Engine Mexico SA de CV
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, Safran Aircraft Engine Mexico SA de CV filed Critical Safran Aircraft Engines SAS
Priority to FR2300142A priority Critical patent/FR3144849B1/fr
Publication of FR3144849A1 publication Critical patent/FR3144849A1/fr
Application granted granted Critical
Publication of FR3144849B1 publication Critical patent/FR3144849B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • 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
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
    • 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
    • F04D29/34—Blade mountings
    • 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
    • F04D29/38—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
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/31—Retaining bolts or nuts
    • 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
    • F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
    • 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

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

Ensemble rotorique (10) de soufflante pour turbomachine, l’ensemble rotorique (10) comportant un disque de soufflante (12) s’étendant autour d’un axe longitudinal (A) de l’ensemble rotorique (10) et au moins une aube (50) montée sur ledit disque de soufflante (12), dans lequel une surface radialement externe (18) du disque de soufflante (12) comprend une pluralité d’alvéoles réparties autour dudit axe longitudinal (A), l’au moins une aube (50) comportant un pied d’aube engagé dans l’une desdites alvéoles, dans lequel le pied d’aube comprend un crochet d’arrêt axial comportant une partie en saillie montée ajustée axialement dans un logement du disque de soufflante (12). Figure de l’abrégé : Figure 1
FR2300142A 2023-01-05 2023-01-05 Ensemble rotorique de soufflante pour turbomachine Active FR3144849B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2300142A FR3144849B1 (fr) 2023-01-05 2023-01-05 Ensemble rotorique de soufflante pour turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2300142 2023-01-05
FR2300142A FR3144849B1 (fr) 2023-01-05 2023-01-05 Ensemble rotorique de soufflante pour turbomachine

Publications (2)

Publication Number Publication Date
FR3144849A1 FR3144849A1 (fr) 2024-07-12
FR3144849B1 true FR3144849B1 (fr) 2025-07-04

Family

ID=86007602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2300142A Active FR3144849B1 (fr) 2023-01-05 2023-01-05 Ensemble rotorique de soufflante pour turbomachine

Country Status (1)

Country Link
FR (1) FR3144849B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507679A1 (fr) * 1981-06-12 1982-12-17 Snecma Dispositif de verrouillage d'une aube de rotor de turbomachine
US6887043B2 (en) * 2003-03-28 2005-05-03 General Electric Company Methods and apparatus for assembling gas turbine engines
US20080273982A1 (en) * 2007-03-12 2008-11-06 Honeywell International, Inc. Blade attachment retention device
WO2014143268A1 (fr) * 2013-03-12 2014-09-18 United Technologies Corporation Volets compensateurs anti-rotation de bord d'attaque de plateforme en forme de t
GB201704832D0 (en) * 2017-02-20 2017-05-10 Rolls Royce Plc Fan

Also Published As

Publication number Publication date
FR3144849A1 (fr) 2024-07-12

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