FR3122696B1 - Aube composite de turbomachine équipée d’un dispositif de précontrainte - Google Patents

Aube composite de turbomachine équipée d’un dispositif de précontrainte Download PDF

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Publication number
FR3122696B1
FR3122696B1 FR2104810A FR2104810A FR3122696B1 FR 3122696 B1 FR3122696 B1 FR 3122696B1 FR 2104810 A FR2104810 A FR 2104810A FR 2104810 A FR2104810 A FR 2104810A FR 3122696 B1 FR3122696 B1 FR 3122696B1
Authority
FR
France
Prior art keywords
prestressing device
turbomachine blade
blade equipped
composite turbomachine
foot
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
FR2104810A
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English (en)
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FR3122696A1 (fr
Inventor
Guillaume Pascal Jean-Charles Gondre
Nicolas Paul Tableau
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 FR2104810A priority Critical patent/FR3122696B1/fr
Publication of FR3122696A1 publication Critical patent/FR3122696A1/fr
Application granted granted Critical
Publication of FR3122696B1 publication Critical patent/FR3122696B1/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
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
    • 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
    • F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
    • 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
    • F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
    • F05D2260/941—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF] particularly aimed at mechanical or thermal stress reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Aube (21) en matériau composite pour turbomachine, comprenant un pied (22) destiné à être maintenu dans une alvéole d’un rotor de la turbomachine, ce pied (22) étant prolongé par une échasse (23) portant une pale (24), caractérisé en ce que cette aube est équipée d’un dispositif de précontrainte (33) qui enserre tout ou partie du pied (22) et/ou de l’échasse (23) pour le précontraindre en le comprimant selon une direction transversale (AT) de l’aube. Figure pour l’abrégé : Figure 9
FR2104810A 2021-05-06 2021-05-06 Aube composite de turbomachine équipée d’un dispositif de précontrainte Active FR3122696B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2104810A FR3122696B1 (fr) 2021-05-06 2021-05-06 Aube composite de turbomachine équipée d’un dispositif de précontrainte

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2104810A FR3122696B1 (fr) 2021-05-06 2021-05-06 Aube composite de turbomachine équipée d’un dispositif de précontrainte
FR2104810 2021-05-06

Publications (2)

Publication Number Publication Date
FR3122696A1 FR3122696A1 (fr) 2022-11-11
FR3122696B1 true FR3122696B1 (fr) 2023-10-13

Family

ID=76523133

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2104810A Active FR3122696B1 (fr) 2021-05-06 2021-05-06 Aube composite de turbomachine équipée d’un dispositif de précontrainte

Country Status (1)

Country Link
FR (1) FR3122696B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1211082A (en) * 1967-08-02 1970-11-04 Dowty Rotol Ltd Blades, suitable for propellers, compressors, fans and the like
US3737250A (en) * 1971-06-16 1973-06-05 Us Navy Fiber blade attachment
DE3718678A1 (de) * 1987-06-04 1988-12-22 Mtu Muenchen Gmbh Fasertechnische verdichterschaufel
DE102012214405B4 (de) * 2012-08-13 2014-05-28 Schunk Kohlenstofftechnik Gmbh Umwälzvorrichtung zum Umwälzen einer umgebenden Atmosphäre sowie Verfahren zur Herstellung einer derartigen Umwälzvorrichtung

Also Published As

Publication number Publication date
FR3122696A1 (fr) 2022-11-11

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