FR2891003B1 - Aube de turbomachine - Google Patents

Aube de turbomachine

Info

Publication number
FR2891003B1
FR2891003B1 FR0509569A FR0509569A FR2891003B1 FR 2891003 B1 FR2891003 B1 FR 2891003B1 FR 0509569 A FR0509569 A FR 0509569A FR 0509569 A FR0509569 A FR 0509569A FR 2891003 B1 FR2891003 B1 FR 2891003B1
Authority
FR
France
Prior art keywords
dawn
turbine
turbine dawn
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
FR0509569A
Other languages
English (en)
Other versions
FR2891003A1 (fr
Inventor
Jacques Boury
Patrice Eneau
Guy Moreau
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
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Priority to FR0509569A priority Critical patent/FR2891003B1/fr
Publication of FR2891003A1 publication Critical patent/FR2891003A1/fr
Application granted granted Critical
Publication of FR2891003B1 publication Critical patent/FR2891003B1/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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/19—Two-dimensional machined; miscellaneous
    • F05D2250/192—Two-dimensional machined; miscellaneous bevelled
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/712—Shape curved concave
    • 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
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling
    • 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
    • F05D2260/60—Fluid transfer
    • F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR0509569A 2005-09-20 2005-09-20 Aube de turbomachine Active FR2891003B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0509569A FR2891003B1 (fr) 2005-09-20 2005-09-20 Aube de turbomachine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0509569A FR2891003B1 (fr) 2005-09-20 2005-09-20 Aube de turbomachine

Publications (2)

Publication Number Publication Date
FR2891003A1 FR2891003A1 (fr) 2007-03-23
FR2891003B1 true FR2891003B1 (fr) 2011-05-06

Family

ID=36579753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0509569A Active FR2891003B1 (fr) 2005-09-20 2005-09-20 Aube de turbomachine

Country Status (1)

Country Link
FR (1) FR2891003B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014533794A (ja) * 2011-11-17 2014-12-15 スネクマ 正圧側に向かってオフセットされた先端部および冷却チャネルを備えるガスタービンブレード

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7281894B2 (en) * 2005-09-09 2007-10-16 General Electric Company Turbine airfoil curved squealer tip with tip shelf
US8206108B2 (en) * 2007-12-10 2012-06-26 Honeywell International Inc. Turbine blades and methods of manufacturing
GB201006451D0 (en) * 2010-04-19 2010-06-02 Rolls Royce Plc Blades
GB201017797D0 (en) * 2010-10-21 2010-12-01 Rolls Royce Plc An aerofoil structure
GB201100957D0 (en) * 2011-01-20 2011-03-02 Rolls Royce Plc Rotor blade
FR2997442B1 (fr) * 2012-10-31 2018-05-18 Safran Aircraft Engines Aube pourvue d'une ailerette pouvant etre fabriquee par fonderie a la cire perdue
US10655473B2 (en) * 2012-12-13 2020-05-19 United Technologies Corporation Gas turbine engine turbine blade leading edge tip trench cooling
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
WO2017056997A1 (fr) 2015-09-29 2017-04-06 三菱日立パワーシステムズ株式会社 Aube mobile et turbine à gaz munie de cette dernière

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6494678B1 (en) * 2001-05-31 2002-12-17 General Electric Company Film cooled blade tip
US6602052B2 (en) * 2001-06-20 2003-08-05 Alstom (Switzerland) Ltd Airfoil tip squealer cooling construction
US6672829B1 (en) * 2002-07-16 2004-01-06 General Electric Company Turbine blade having angled squealer tip
US6790005B2 (en) * 2002-12-30 2004-09-14 General Electric Company Compound tip notched blade
US6824359B2 (en) * 2003-01-31 2004-11-30 United Technologies Corporation Turbine blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014533794A (ja) * 2011-11-17 2014-12-15 スネクマ 正圧側に向かってオフセットされた先端部および冷却チャネルを備えるガスタービンブレード

Also Published As

Publication number Publication date
FR2891003A1 (fr) 2007-03-23

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