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FR3128972B1 - CONNECTION BETWEEN A BLADE FOOT AND A TIMMING DEVICE - Google Patents

CONNECTION BETWEEN A BLADE FOOT AND A TIMMING DEVICE Download PDF

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Publication number
FR3128972B1
FR3128972B1 FR2111873A FR2111873A FR3128972B1 FR 3128972 B1 FR3128972 B1 FR 3128972B1 FR 2111873 A FR2111873 A FR 2111873A FR 2111873 A FR2111873 A FR 2111873A FR 3128972 B1 FR3128972 B1 FR 3128972B1
Authority
FR
France
Prior art keywords
connection
foot
timming
bearing surface
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
FR2111873A
Other languages
French (fr)
Other versions
FR3128972A1 (en
Inventor
Clémentine Charlotte Marie Mouton
Olivier Belmonte
Olivier Bazot
Clément Cottet
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 FR2111873A priority Critical patent/FR3128972B1/en
Publication of FR3128972A1 publication Critical patent/FR3128972A1/en
Application granted granted Critical
Publication of FR3128972B1 publication Critical patent/FR3128972B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Surgical Instruments (AREA)
  • Wind Motors (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Connection Of Plates (AREA)

Abstract

LIAISON ENTRE UN PIED D’AUBE ET UN DISPOSITIF DE CALAGE Un aspect de l’invention concerne un ensemble (200) comportant : une aube (30) comportant un pied (31),un support d’aube statique (40),un dispositif de calage (210) lié au support d’aube (40) caractérisée en ce qu’elle comprend :une platine (13),un mors fixe (11) comportant une première portée (12), le mors fixe (11) est solidaire de la platine (13),un mors mobile (21) comportant une deuxième portée (22), le mors fixe (11) est lié au mors mobile (21) par un moyen de fixation, le pied (31) est en contact surfacique avec : la première portée (12), la deuxième portée (22) et une surface de contact (14) de la platine (13). Figure à publier avec l’abrégé : Figure 6CONNECTION BETWEEN A BLADE FOOT AND A WEDGING DEVICE One aspect of the invention relates to an assembly (200) comprising: a blade (30) comprising a foot (31), a static blade support (40), a wedging device (210) linked to the blade support (40) characterized in that it comprises: a plate (13), a fixed jaw (11) comprising a first bearing surface (12), the fixed jaw (11) is integral with the plate (13), a movable jaw (21) comprising a second bearing surface (22), the fixed jaw (11) is linked to the movable jaw (21) by a fixing means, the foot (31) is in surface contact with: the first bearing surface (12), the second bearing surface (22) and a contact surface (14) of the plate (13). Figure to be published with the abstract: Figure 6

FR2111873A 2021-11-09 2021-11-09 CONNECTION BETWEEN A BLADE FOOT AND A TIMMING DEVICE Active FR3128972B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2111873A FR3128972B1 (en) 2021-11-09 2021-11-09 CONNECTION BETWEEN A BLADE FOOT AND A TIMMING DEVICE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2111873A FR3128972B1 (en) 2021-11-09 2021-11-09 CONNECTION BETWEEN A BLADE FOOT AND A TIMMING DEVICE
FR2111873 2021-11-09

Publications (2)

Publication Number Publication Date
FR3128972A1 FR3128972A1 (en) 2023-05-12
FR3128972B1 true FR3128972B1 (en) 2025-03-14

Family

ID=80446617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2111873A Active FR3128972B1 (en) 2021-11-09 2021-11-09 CONNECTION BETWEEN A BLADE FOOT AND A TIMMING DEVICE

Country Status (1)

Country Link
FR (1) FR3128972B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3151883A1 (en) * 2023-07-31 2025-02-07 Safran Aircraft Engines Fixed turbomachine vane comprising variable pitch blades
FR3151882A1 (en) * 2023-07-31 2025-02-07 Safran Aircraft Engines Fixed turbomachine vane comprising variable pitch blades
FR3153374A1 (en) * 2023-09-22 2025-03-28 Safran Aircraft Engines ASSEMBLY COMPRISING A BLADE AND A BLADE HOLDING SYSTEM
FR3153372A1 (en) * 2023-09-22 2025-03-28 Safran Aircraft Engines ASSEMBLY COMPRISING A BLADE AND A BLADE HOLDING SYSTEM
FR3153373A1 (en) 2023-09-22 2025-03-28 Safran Aircraft Engines ASSEMBLY COMPRISING A BLADE AND A BLADE HOLDING SYSTEM
FR3155862B1 (en) * 2023-11-24 2025-11-28 Safran Aircraft Engines Blade of a static turbomachine blade with improved attachment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2996584A1 (en) 2012-10-10 2014-04-11 Snecma FOOTBED FOR LEVELED BLADE FOOT
FR3021030B1 (en) * 2014-05-14 2018-01-05 Ratier Figeac SECURED ANCHOR BLADE IN RADIAL TRANSLATION, PROPELLER, TURBOMACHINE AND AIRCRAFT
FR3050719B1 (en) * 2016-04-28 2018-04-13 Airbus Operations AIRCRAFT TURBOMACHINE PROPELLER COMPRISING MEANS OF FLAME-RELIEVING BACK-UP MEANS
US10934862B2 (en) * 2018-08-22 2021-03-02 Rolls-Royce Plc Turbine wheel assembly
FR3087830B1 (en) 2018-10-30 2020-10-16 Safran Aircraft Engines DAWN INCLUDING A STRUCTURE IN COMPOSITE MATERIAL AND A METAL STRENGTHENING PART
FR3097835A1 (en) * 2019-06-27 2021-01-01 Airbus Helicopters Advance propeller with interchangeable blades and method of mounting interchangeable blades on a propeller
FR3107724B1 (en) * 2020-02-27 2022-06-24 Safran Aircraft Engines Fan rotor with variable pitch blades and turbomachine equipped with such a rotor

Also Published As

Publication number Publication date
FR3128972A1 (en) 2023-05-12

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