EP1749970A3 - Extension de plateforme d'aube de turbine ayant une faible contrainte au niveau de son contrefort - Google Patents

Extension de plateforme d'aube de turbine ayant une faible contrainte au niveau de son contrefort Download PDF

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Publication number
EP1749970A3
EP1749970A3 EP06252876A EP06252876A EP1749970A3 EP 1749970 A3 EP1749970 A3 EP 1749970A3 EP 06252876 A EP06252876 A EP 06252876A EP 06252876 A EP06252876 A EP 06252876A EP 1749970 A3 EP1749970 A3 EP 1749970A3
Authority
EP
European Patent Office
Prior art keywords
stress
buttress
platform
turbine airfoil
platform extension
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.)
Granted
Application number
EP06252876A
Other languages
German (de)
English (en)
Other versions
EP1749970B1 (fr
EP1749970A2 (fr
Inventor
Bryan P. Dube
Randall J. Butcher
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of EP1749970A2 publication Critical patent/EP1749970A2/fr
Publication of EP1749970A3 publication Critical patent/EP1749970A3/fr
Application granted granted Critical
Publication of EP1749970B1 publication Critical patent/EP1749970B1/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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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
    • 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
    • F05D2240/80—Platforms for stationary or moving blades
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP20060252876 2005-08-03 2006-06-02 Extension de plateforme d'aube de turbine ayant une faible contrainte au niveau de son contrefort Active EP1749970B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/197,162 US20070031260A1 (en) 2005-08-03 2005-08-03 Turbine airfoil platform platypus for low buttress stress

Publications (3)

Publication Number Publication Date
EP1749970A2 EP1749970A2 (fr) 2007-02-07
EP1749970A3 true EP1749970A3 (fr) 2010-05-26
EP1749970B1 EP1749970B1 (fr) 2015-05-13

Family

ID=37387422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060252876 Active EP1749970B1 (fr) 2005-08-03 2006-06-02 Extension de plateforme d'aube de turbine ayant une faible contrainte au niveau de son contrefort

Country Status (6)

Country Link
US (1) US20070031260A1 (fr)
EP (1) EP1749970B1 (fr)
JP (1) JP2007040295A (fr)
CN (1) CN1908379A (fr)
SG (1) SG130114A1 (fr)
TW (1) TW200710319A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010004854A1 (de) * 2010-01-16 2011-07-21 MTU Aero Engines GmbH, 80995 Laufschaufel für eine Strömungsmaschine und Strömungsmaschine
US9976433B2 (en) * 2010-04-02 2018-05-22 United Technologies Corporation Gas turbine engine with non-axisymmetric surface contoured rotor blade platform
WO2019136672A1 (fr) * 2018-01-11 2019-07-18 贵州智慧能源科技有限公司 Plaque à rebord de pale de turbine basée sur une conception de courbe spline
FR3107301B1 (fr) * 2020-02-19 2022-03-11 Safran Aircraft Engines aube pour roue aubagée mobile de turbomachine d’aéronef comprenant un becquet d’étanchéité à section évolutive optimisée

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807436A (en) * 1952-03-25 1957-09-24 Gen Motors Corp Turbine wheel and bucket assembly
US5302085A (en) * 1992-02-03 1994-04-12 General Electric Company Turbine blade damper
FR2712631A1 (fr) * 1993-11-19 1995-05-24 Gen Electric Ailette de rotor et ensemble ailettes-disque de rotor comportant une telle ailette.
US6158962A (en) * 1999-04-30 2000-12-12 General Electric Company Turbine blade with ribbed platform
US6506016B1 (en) * 2001-11-15 2003-01-14 General Electric Company Angel wing seals for blades of a gas turbine and methods for determining angel wing seal profiles
EP1447525A1 (fr) * 2003-02-13 2004-08-18 Snecma Moteurs Réalisation de turbines pour turbomachines ayant des aubes à fréquences de résonance ajustées différentes et procédé d'ajustement de la fréquence de résonance d'une aube de turbine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259037A (en) * 1976-12-13 1981-03-31 General Electric Company Liquid cooled gas turbine buckets
GB2228541B (en) * 1989-02-23 1993-04-14 Rolls Royce Plc Device for damping vibrations in turbomachinery blades
FR2743845B1 (fr) * 1996-01-23 1998-02-20 Snecma Aube mobile de soufflante a profil de securite
US6511294B1 (en) * 1999-09-23 2003-01-28 General Electric Company Reduced-stress compressor blisk flowpath
US6561761B1 (en) * 2000-02-18 2003-05-13 General Electric Company Fluted compressor flowpath
US6422820B1 (en) * 2000-06-30 2002-07-23 General Electric Company Corner tang fan blade

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807436A (en) * 1952-03-25 1957-09-24 Gen Motors Corp Turbine wheel and bucket assembly
US5302085A (en) * 1992-02-03 1994-04-12 General Electric Company Turbine blade damper
FR2712631A1 (fr) * 1993-11-19 1995-05-24 Gen Electric Ailette de rotor et ensemble ailettes-disque de rotor comportant une telle ailette.
US6158962A (en) * 1999-04-30 2000-12-12 General Electric Company Turbine blade with ribbed platform
US6506016B1 (en) * 2001-11-15 2003-01-14 General Electric Company Angel wing seals for blades of a gas turbine and methods for determining angel wing seal profiles
EP1447525A1 (fr) * 2003-02-13 2004-08-18 Snecma Moteurs Réalisation de turbines pour turbomachines ayant des aubes à fréquences de résonance ajustées différentes et procédé d'ajustement de la fréquence de résonance d'une aube de turbine

Also Published As

Publication number Publication date
EP1749970B1 (fr) 2015-05-13
TW200710319A (en) 2007-03-16
US20070031260A1 (en) 2007-02-08
EP1749970A2 (fr) 2007-02-07
SG130114A1 (en) 2007-03-20
JP2007040295A (ja) 2007-02-15
CN1908379A (zh) 2007-02-07

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