FR3123380B1 - Bouclier de bord d'attaque amélioré - Google Patents

Bouclier de bord d'attaque amélioré Download PDF

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Publication number
FR3123380B1
FR3123380B1 FR2105593A FR2105593A FR3123380B1 FR 3123380 B1 FR3123380 B1 FR 3123380B1 FR 2105593 A FR2105593 A FR 2105593A FR 2105593 A FR2105593 A FR 2105593A FR 3123380 B1 FR3123380 B1 FR 3123380B1
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FR
France
Prior art keywords
leading edge
edge shield
surface fin
improved leading
longitudinal length
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
FR2105593A
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English (en)
Other versions
FR3123380A1 (fr
Inventor
Lola Auliac
Nicolas Tran
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 FR2105593A priority Critical patent/FR3123380B1/fr
Publication of FR3123380A1 publication Critical patent/FR3123380A1/fr
Application granted granted Critical
Publication of FR3123380B1 publication Critical patent/FR3123380B1/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
    • F01D5/14—Form or construction
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow 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
    • F01D5/12—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
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade

Landscapes

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

Abstract

L'invention concerne un bouclier de bord d'attaque (26) qui comporte un corps (28) qui s'étend selon une direction radiale, une ailette d'intrados (30) et une ailette d'extrados (32) qui sont décalées transversalement l'une par rapport à l'autre et s'étendent selon une direction longitudinale à partir du corps (28), caractérisé en ce que un tronçon (42) de l'ailette d'extrados (32), pris selon l'étendue radiale de l'ailette d'extrados (32), consiste en un tronçon allongé qui est de longueur longitudinale supérieure à la longueur longitudinale du reste de l'ailette d'extrados (32), ainsi qu'une aube (10) comportant un tel bouclier de bord d'attaque (26) Figure pour l’abrégé : figure 1
FR2105593A 2021-05-28 2021-05-28 Bouclier de bord d'attaque amélioré Active FR3123380B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2105593A FR3123380B1 (fr) 2021-05-28 2021-05-28 Bouclier de bord d'attaque amélioré

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2105593 2021-05-28
FR2105593A FR3123380B1 (fr) 2021-05-28 2021-05-28 Bouclier de bord d'attaque amélioré

Publications (2)

Publication Number Publication Date
FR3123380A1 FR3123380A1 (fr) 2022-12-02
FR3123380B1 true FR3123380B1 (fr) 2024-10-11

Family

ID=76601448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2105593A Active FR3123380B1 (fr) 2021-05-28 2021-05-28 Bouclier de bord d'attaque amélioré

Country Status (1)

Country Link
FR (1) FR3123380B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2599425B1 (fr) * 1986-05-28 1988-08-05 Alsthom Plaquette de protection pour aube en titane et procede de brasage d'une telle plaquette.
FR2943102B1 (fr) * 2009-03-12 2014-05-02 Snecma Aube en materiau composite comportant un dispositif d'amortissement.
AU2013375126A1 (en) * 2013-01-25 2015-08-13 Anthony IRELAND Energy efficiency improvements for turbomachinery
FR3041684B1 (fr) * 2015-09-28 2021-12-10 Snecma Aube comprenant un bouclier de bord d'attaque et procede de fabrication de l'aube
FR3045712B1 (fr) * 2015-12-21 2020-11-13 Snecma Bouclier de bord d'attaque

Also Published As

Publication number Publication date
FR3123380A1 (fr) 2022-12-02

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