FR3121171B1 - Fan rotor for a turbomachine - Google Patents

Fan rotor for a turbomachine Download PDF

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Publication number
FR3121171B1
FR3121171B1 FR2103043A FR2103043A FR3121171B1 FR 3121171 B1 FR3121171 B1 FR 3121171B1 FR 2103043 A FR2103043 A FR 2103043A FR 2103043 A FR2103043 A FR 2103043A FR 3121171 B1 FR3121171 B1 FR 3121171B1
Authority
FR
France
Prior art keywords
shroud
platforms
blades
radially
upstream
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
FR2103043A
Other languages
French (fr)
Other versions
FR3121171A1 (en
Inventor
Lucas Antoine Christophe Lauwick
Antoine Galve
Henri Outtrabady
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 FR2103043A priority Critical patent/FR3121171B1/en
Publication of FR3121171A1 publication Critical patent/FR3121171A1/en
Application granted granted Critical
Publication of FR3121171B1 publication Critical patent/FR3121171B1/en
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
    • F01D5/3092—Protective layers between blade root and rotor disc surfaces, e.g. anti-friction layers
    • 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
    • F01D5/10—Anti- vibration means
    • 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
    • F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
    • 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
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
    • F01D21/045—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
    • 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
    • F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
    • 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
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the 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
    • F05D2220/36—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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/28—Three-dimensional patterned
    • F05D2250/283—Three-dimensional patterned honeycomb
    • 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
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/12—Light metals
    • F05D2300/121—Aluminium
    • 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
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L’invention concerne un ensemble pour un rotor de soufflante (2) apte à être mobile en rotation autour d’un axe (X), comportant un disque (17) comprenant des alvéoles (16) débouchant en périphérie radialement externe du disque (17), des aubes (12) comprenant des pieds (13) montés dans lesdits alvéoles (16) et des plates-formes (14) définissant une partie d’une surface interne d’une veine (25) d’écoulement des gaz, une virole amont (20) comportant une partie annulaire radialement externe (20a) s’étendant à l’amont dans le prolongement des plates-formes (14) des aubes (12) et une partie radialement interne (20d), une virole aval (23) comportant une partie annulaire radialement externe (23a) s’étendant à l’aval dans le prolongement des plates-formes (14) des aubes (12) et une partie radialement interne (23c) , la partie radialement interne (20d, 23c) de la virole amont (20) et/ou de la virole aval (23) étant intercalé radialement entre au moins un pied (13) d’aube (12) et une surface de fond (19) de l’alvéole (16) correspondante. Figure à publier avec l’abrégé : [Fig. 4]The invention relates to an assembly for a fan rotor (2) capable of being rotatable around an axis (X), comprising a disc (17) comprising cells (16) opening out at the radially outer periphery of the disc (17 ), blades (12) comprising feet (13) mounted in said cells (16) and platforms (14) defining a part of an internal surface of a gas flow stream (25), a upstream shroud (20) comprising a radially outer annular part (20a) extending upstream in the extension of the platforms (14) of the blades (12) and a radially inner part (20d), a downstream shroud (23 ) comprising a radially outer annular part (23a) extending downstream in the extension of the platforms (14) of the blades (12) and a radially inner part (23c), the radially inner part (20d, 23c) of the upstream shroud (20) and/or of the downstream shroud (23) being interposed radially between at least one root (13) of the blade (12) and a bottom surface (19) of the corresponding cell (16) . Figure to be published with abstract: [Fig. 4]

FR2103043A 2021-03-25 2021-03-25 Fan rotor for a turbomachine Active FR3121171B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2103043A FR3121171B1 (en) 2021-03-25 2021-03-25 Fan rotor for a turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2103043 2021-03-25
FR2103043A FR3121171B1 (en) 2021-03-25 2021-03-25 Fan rotor for a turbomachine

Publications (2)

Publication Number Publication Date
FR3121171A1 FR3121171A1 (en) 2022-09-30
FR3121171B1 true FR3121171B1 (en) 2023-04-14

Family

ID=75746900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2103043A Active FR3121171B1 (en) 2021-03-25 2021-03-25 Fan rotor for a turbomachine

Country Status (1)

Country Link
FR (1) FR3121171B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240141794A1 (en) * 2022-10-28 2024-05-02 Raytheon Technologies Corporation Deformable root spacer for a gas turbine engine rotor blade

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2739136B1 (en) * 1995-09-21 1997-10-31 Snecma DAMPING ARRANGEMENT FOR ROTOR BLADES
FR2746456B1 (en) 1996-03-21 1998-04-30 Snecma DEVICE FOR RETAINING THE FOOT OF THE BLADES OF A BLOWER
FR2803623B1 (en) * 2000-01-06 2002-03-01 Snecma Moteurs ARRANGEMENT FOR AXIAL RETENTION OF BLADES IN A DISC
FR2881174B1 (en) 2005-01-27 2010-08-20 Snecma Moteurs DEVICE FOR POSITIONING A DASHBOARD AND AUBAGE DISK COMPRISING SUCH A DEVICE
FR2918129B1 (en) 2007-06-26 2009-10-30 Snecma Sa IMPROVEMENT TO AN INTERCALE BETWEEN A FOOT OF DAWN AND THE BACKGROUND OF THE ALVEOLE OF THE DISK IN WHICH IT IS MOUNTED
FR2921409B1 (en) * 2007-09-25 2009-12-18 Snecma CLINKING FOR TURBOMACHINE DAWN.
FR2978796B1 (en) 2011-08-03 2013-08-09 Snecma TURBOMACHINE AUBES WHEEL

Also Published As

Publication number Publication date
FR3121171A1 (en) 2022-09-30

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