FR2994708B1 - Aube a bord renforce pour une turbomachine - Google Patents

Aube a bord renforce pour une turbomachine Download PDF

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Publication number
FR2994708B1
FR2994708B1 FR1257970A FR1257970A FR2994708B1 FR 2994708 B1 FR2994708 B1 FR 2994708B1 FR 1257970 A FR1257970 A FR 1257970A FR 1257970 A FR1257970 A FR 1257970A FR 2994708 B1 FR2994708 B1 FR 2994708B1
Authority
FR
France
Prior art keywords
dawn
turbomachine
board reinforced
reinforced
board
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
FR1257970A
Other languages
English (en)
Other versions
FR2994708A1 (fr
Inventor
Loic Olivier
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
SNECMA 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, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1257970A priority Critical patent/FR2994708B1/fr
Publication of FR2994708A1 publication Critical patent/FR2994708A1/fr
Application granted granted Critical
Publication of FR2994708B1 publication Critical patent/FR2994708B1/fr
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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using 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
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • 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
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/121—Fluid guiding means, e.g. vanes related to the leading edge of a stator vane
    • 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
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing edge of a stator vane
    • 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
    • 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
    • F05D2240/304—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 trailing edge of a rotor blade

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1257970A 2012-08-23 2012-08-23 Aube a bord renforce pour une turbomachine Active FR2994708B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1257970A FR2994708B1 (fr) 2012-08-23 2012-08-23 Aube a bord renforce pour une turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1257970A FR2994708B1 (fr) 2012-08-23 2012-08-23 Aube a bord renforce pour une turbomachine
FR1257970 2012-08-23

Publications (2)

Publication Number Publication Date
FR2994708A1 FR2994708A1 (fr) 2014-02-28
FR2994708B1 true FR2994708B1 (fr) 2018-07-27

Family

ID=47049300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1257970A Active FR2994708B1 (fr) 2012-08-23 2012-08-23 Aube a bord renforce pour une turbomachine

Country Status (1)

Country Link
FR (1) FR2994708B1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3034785B1 (fr) * 2014-12-19 2019-01-30 Rolls-Royce plc Aube de soufflant de turbine à gaz avec résistance variable à la fracture
EP3034786B1 (fr) * 2014-12-19 2019-07-31 Rolls-Royce plc Aube de soufflant de turbine á gaz avec plusiers zones de cisaillement
EP3034787B1 (fr) * 2014-12-19 2019-01-09 Rolls-Royce plc Aube de soufflant de turbine à gaz avec bord d'attaque métallique comprenant une zone affaiblie
FR3045712B1 (fr) * 2015-12-21 2020-11-13 Snecma Bouclier de bord d'attaque
US10677259B2 (en) 2016-05-06 2020-06-09 General Electric Company Apparatus and system for composite fan blade with fused metal lead edge
WO2018142370A1 (fr) 2017-02-06 2018-08-09 Nitto Denko Corporation Composition et procédé de prévention de l'érosion de bords d'attaque de pales d'éoliennes
US10746045B2 (en) 2018-10-16 2020-08-18 General Electric Company Frangible gas turbine engine airfoil including a retaining member
US11149558B2 (en) 2018-10-16 2021-10-19 General Electric Company Frangible gas turbine engine airfoil with layup change
US10837286B2 (en) 2018-10-16 2020-11-17 General Electric Company Frangible gas turbine engine airfoil with chord reduction
US10760428B2 (en) * 2018-10-16 2020-09-01 General Electric Company Frangible gas turbine engine airfoil
US11434781B2 (en) 2018-10-16 2022-09-06 General Electric Company Frangible gas turbine engine airfoil including an internal cavity
US11111815B2 (en) 2018-10-16 2021-09-07 General Electric Company Frangible gas turbine engine airfoil with fusion cavities
FR3105292B1 (fr) 2019-12-18 2021-12-31 Safran Aircraft Engines Aube en matériau composite avec bord d’attaque rapporté à densité variable
FR3108663B1 (fr) * 2020-03-26 2022-08-12 Safran Aircraft Engines Aube de soufflante rotative de turbomachine, soufflante et turbomachine munies de celle-ci

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111600A (en) * 1976-12-09 1978-09-05 United Technologies Corporation Breakaway fan blade
DE3815906A1 (de) * 1988-05-10 1989-11-23 Mtu Muenchen Gmbh Luftschraubenblatt aus faserverstaerktem kunststoff
US7736130B2 (en) * 2007-07-23 2010-06-15 General Electric Company Airfoil and method for protecting airfoil leading edge
ES2333929B1 (es) * 2007-10-18 2011-01-31 Fundacion Cener-Ciemat Proteccion desmontable del borde de ataque en una pala de aerogenerador.
FR2954200B1 (fr) * 2009-12-23 2012-03-02 Snecma Procede de realisation d'un renfort metallique d'aube de turbomachine

Also Published As

Publication number Publication date
FR2994708A1 (fr) 2014-02-28

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