FR2944049B1 - Roue a aubes dont les pales sont desaccordees - Google Patents

Roue a aubes dont les pales sont desaccordees

Info

Publication number
FR2944049B1
FR2944049B1 FR0952118A FR0952118A FR2944049B1 FR 2944049 B1 FR2944049 B1 FR 2944049B1 FR 0952118 A FR0952118 A FR 0952118A FR 0952118 A FR0952118 A FR 0952118A FR 2944049 B1 FR2944049 B1 FR 2944049B1
Authority
FR
France
Prior art keywords
aubes
discharged
wheel
whose blades
blades
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
FR0952118A
Other languages
English (en)
Other versions
FR2944049A1 (fr
Inventor
Christophe Colette
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 Helicopter Engines SAS
Original Assignee
Turbomeca SA
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 Turbomeca SA filed Critical Turbomeca SA
Priority to FR0952118A priority Critical patent/FR2944049B1/fr
Publication of FR2944049A1 publication Critical patent/FR2944049A1/fr
Application granted granted Critical
Publication of FR2944049B1 publication Critical patent/FR2944049B1/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
    • 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
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR0952118A 2009-04-02 2009-04-02 Roue a aubes dont les pales sont desaccordees Active FR2944049B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0952118A FR2944049B1 (fr) 2009-04-02 2009-04-02 Roue a aubes dont les pales sont desaccordees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0952118A FR2944049B1 (fr) 2009-04-02 2009-04-02 Roue a aubes dont les pales sont desaccordees

Publications (2)

Publication Number Publication Date
FR2944049A1 FR2944049A1 (fr) 2010-10-08
FR2944049B1 true FR2944049B1 (fr) 2014-06-27

Family

ID=41170114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0952118A Active FR2944049B1 (fr) 2009-04-02 2009-04-02 Roue a aubes dont les pales sont desaccordees

Country Status (1)

Country Link
FR (1) FR2944049B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11421702B2 (en) 2019-08-21 2022-08-23 Pratt & Whitney Canada Corp. Impeller with chordwise vane thickness variation

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2583756T3 (es) * 2011-04-01 2016-09-22 MTU Aero Engines AG Disposición de álabes para una turbomáquina
ES2640263T3 (es) * 2012-11-09 2017-11-02 MTU Aero Engines AG Conjunto de palas para una turbina
FR3096398B1 (fr) 2019-05-20 2021-10-22 Arianegroup Sas Secteur de roue à aubes statorique pour turbomachine
US11255199B2 (en) * 2020-05-20 2022-02-22 Rolls-Royce Corporation Airfoil with shaped mass reduction pocket
FR3130880A1 (fr) 2021-12-21 2023-06-23 Safran Aircraft Engines Disque aubagé monobloc de turbomachine présentant un comportement vibratoire amélioré

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB252701A (en) * 1925-05-28 1926-09-02 Escher Wyss Maschf Ag Rotor blading for elastic fluid turbine engines
US5286168A (en) * 1992-01-31 1994-02-15 Westinghouse Electric Corp. Freestanding mixed tuned blade
US5524341A (en) * 1994-09-26 1996-06-11 Westinghouse Electric Corporation Method of making a row of mix-tuned turbomachine blades
US6471482B2 (en) * 2000-11-30 2002-10-29 United Technologies Corporation Frequency-mistuned light-weight turbomachinery blade rows for increased flutter stability
US6428278B1 (en) * 2000-12-04 2002-08-06 United Technologies Corporation Mistuned rotor blade array for passive flutter control
US6854959B2 (en) * 2003-04-16 2005-02-15 General Electric Company Mixed tuned hybrid bucket and related method
US6905309B2 (en) * 2003-08-28 2005-06-14 General Electric Company Methods and apparatus for reducing vibrations induced to compressor airfoils
US20060073022A1 (en) * 2004-10-05 2006-04-06 Gentile David P Frequency tailored thickness blade for a turbomachine wheel
DE102005006414A1 (de) * 2005-02-12 2006-08-24 Mtu Aero Engines Gmbh Verfahren zum Bearbeiten eines integral beschaufelten Rotors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11421702B2 (en) 2019-08-21 2022-08-23 Pratt & Whitney Canada Corp. Impeller with chordwise vane thickness variation

Also Published As

Publication number Publication date
FR2944049A1 (fr) 2010-10-08

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Effective date: 20170727

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