FR3077599B1 - Roue mobile de turbine pour turbomachine d'aeronef, comprenant un anneau de retention axiale fixe aux pieds des aubes - Google Patents

Roue mobile de turbine pour turbomachine d'aeronef, comprenant un anneau de retention axiale fixe aux pieds des aubes Download PDF

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Publication number
FR3077599B1
FR3077599B1 FR1851060A FR1851060A FR3077599B1 FR 3077599 B1 FR3077599 B1 FR 3077599B1 FR 1851060 A FR1851060 A FR 1851060A FR 1851060 A FR1851060 A FR 1851060A FR 3077599 B1 FR3077599 B1 FR 3077599B1
Authority
FR
France
Prior art keywords
blades
feet
turbine wheel
retaining ring
aircraft turbomachine
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
FR1851060A
Other languages
English (en)
Other versions
FR3077599A1 (fr
Inventor
Joao Antonio AMORIM
Stephane Pierre Guillaume BLANCHARD
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 FR1851060A priority Critical patent/FR3077599B1/fr
Publication of FR3077599A1 publication Critical patent/FR3077599A1/fr
Application granted granted Critical
Publication of FR3077599B1 publication Critical patent/FR3077599B1/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
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • 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
    • F01D5/3069—Fixing blades to rotors; Blade roots ; Blade spacers between two discs or rings
    • 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

L'invention concerne une roue mobile de turbine (20) pour turbomachine d'aéronef, la roue comprenant un disque de turbine (21) pourvu de rainures (58) de logement d'aubes, et un premier anneau (16) de rétention axiale des aubes. Selon l'invention, le pied (24) d'au moins certaines des aubes de turbine est solidaire d'un premier organe fileté (82) traversant le premier anneau (16) et coopérant avec un écrou (84) en appui sur cet anneau.
FR1851060A 2018-02-08 2018-02-08 Roue mobile de turbine pour turbomachine d'aeronef, comprenant un anneau de retention axiale fixe aux pieds des aubes Active FR3077599B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1851060A FR3077599B1 (fr) 2018-02-08 2018-02-08 Roue mobile de turbine pour turbomachine d'aeronef, comprenant un anneau de retention axiale fixe aux pieds des aubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1851060A FR3077599B1 (fr) 2018-02-08 2018-02-08 Roue mobile de turbine pour turbomachine d'aeronef, comprenant un anneau de retention axiale fixe aux pieds des aubes
FR1851060 2018-02-08

Publications (2)

Publication Number Publication Date
FR3077599A1 FR3077599A1 (fr) 2019-08-09
FR3077599B1 true FR3077599B1 (fr) 2020-03-06

Family

ID=61913415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1851060A Active FR3077599B1 (fr) 2018-02-08 2018-02-08 Roue mobile de turbine pour turbomachine d'aeronef, comprenant un anneau de retention axiale fixe aux pieds des aubes

Country Status (1)

Country Link
FR (1) FR3077599B1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19516694C2 (de) * 1995-05-06 2001-06-28 Mtu Aero Engines Gmbh Einrichtung zur Fixierung von Laufschaufeln am Laufrad, insbesondere einer Turbine eines Gasturbinentriebwerks
FR3010442B1 (fr) * 2013-09-09 2015-10-09 Snecma Disque aubage monobloc a contraintes reduites en pied d'aube, de preference pour soufflante de turbomachine d'aeronef

Also Published As

Publication number Publication date
FR3077599A1 (fr) 2019-08-09

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