JP2004138069A - ガスタービンエンジンブレードの破損防止を促進する方法及び装置 - Google Patents

ガスタービンエンジンブレードの破損防止を促進する方法及び装置 Download PDF

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Publication number
JP2004138069A
JP2004138069A JP2003357150A JP2003357150A JP2004138069A JP 2004138069 A JP2004138069 A JP 2004138069A JP 2003357150 A JP2003357150 A JP 2003357150A JP 2003357150 A JP2003357150 A JP 2003357150A JP 2004138069 A JP2004138069 A JP 2004138069A
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JP
Japan
Prior art keywords
blade
protrusion
dovetail
fan
airfoil
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.)
Withdrawn
Application number
JP2003357150A
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English (en)
Japanese (ja)
Other versions
JP2004138069A5 (enExample
Inventor
Sunil Kumar Sinha
スニル・クマー・シンハ
Max Robert Farson
マックス・ロバート・ファーソン
Ming Cheng Li
ミン・チェン・リー
Paul Izon
ポール・イゾン
Nicholas Joseph Kray
ニコラス・ジョセフ・クレイ
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2004138069A publication Critical patent/JP2004138069A/ja
Publication of JP2004138069A5 publication Critical patent/JP2004138069A5/ja
Withdrawn legal-status Critical Current

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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
    • F01D5/30—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
    • 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
    • F05D2230/00—Manufacture
    • 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
    • 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
    • F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
    • 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
    • F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
    • F05D2260/941—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF] particularly aimed at mechanical or thermal stress reduction
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2003357150A 2002-10-18 2003-10-17 ガスタービンエンジンブレードの破損防止を促進する方法及び装置 Withdrawn JP2004138069A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/273,969 US6773234B2 (en) 2002-10-18 2002-10-18 Methods and apparatus for facilitating preventing failure of gas turbine engine blades

Publications (2)

Publication Number Publication Date
JP2004138069A true JP2004138069A (ja) 2004-05-13
JP2004138069A5 JP2004138069A5 (enExample) 2006-11-30

Family

ID=32092939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003357150A Withdrawn JP2004138069A (ja) 2002-10-18 2003-10-17 ガスタービンエンジンブレードの破損防止を促進する方法及び装置

Country Status (3)

Country Link
US (1) US6773234B2 (enExample)
EP (1) EP1418310A3 (enExample)
JP (1) JP2004138069A (enExample)

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US7156621B2 (en) * 2004-05-14 2007-01-02 Pratt & Whitney Canada Corp. Blade fixing relief mismatch
US20060251522A1 (en) * 2005-05-05 2006-11-09 Matheny Alfred P Curved blade and vane attachment
US8206116B2 (en) * 2005-07-14 2012-06-26 United Technologies Corporation Method for loading and locking tangential rotor blades and blade design
US7976274B2 (en) * 2005-12-08 2011-07-12 General Electric Company Methods and apparatus for assembling turbine engines
US7555951B2 (en) * 2006-05-24 2009-07-07 Honeywell International Inc. Determination of remaining useful life of gas turbine blade
GB2443482A (en) * 2006-11-02 2008-05-07 Smiths Group Plc Propeller blade retention
FR2918129B1 (fr) † 2007-06-26 2009-10-30 Snecma Sa Perfectionnement a une cale intercalee entre un pied d'aube et le fond de l'alveole du disque dans laquelle il est monte
FR2937370B1 (fr) * 2008-10-16 2013-06-14 Snecma Disque de roue de turbine.
GB0906342D0 (en) * 2009-04-15 2009-05-20 Rolls Royce Plc Apparatus and method for simulating lifetime of and/or stress experienced by a rotor blade and rotor disc fixture
US9200593B2 (en) * 2009-08-07 2015-12-01 Hamilton Sundstrand Corporation Energy absorbing fan blade spacer
EP2320030B1 (de) * 2009-11-10 2012-12-19 Alstom Technology Ltd Rotor mit Laufschaufel für eine axial durchströmte Turbomaschine
EP2455588B1 (de) * 2010-11-15 2017-03-01 MTU Aero Engines GmbH Sicherungsmittel zur axialen Sicherung eines Schaufelfußes einer Turbomaschinenschaufel
US10036261B2 (en) * 2012-04-30 2018-07-31 United Technologies Corporation Blade dovetail bottom
US10633985B2 (en) * 2012-06-25 2020-04-28 General Electric Company System having blade segment with curved mounting geometry
US9828864B2 (en) 2012-09-20 2017-11-28 United Technologies Corporation Fan blade tall dovetail for individually bladed rotors
US9359906B2 (en) 2012-12-18 2016-06-07 United Technologies Corporation Rotor blade root spacer with a fracture feature
US9422819B2 (en) * 2012-12-18 2016-08-23 United Technologies Corporation Rotor blade root spacer for arranging between a rotor disk and a root of a rotor blade
WO2014113009A1 (en) 2013-01-17 2014-07-24 United Technologies Corporation Rotor blade root spacer with grip element
CN103985407A (zh) * 2013-02-07 2014-08-13 辉达公司 采用分段式页面配置的dram
EP2971570B1 (en) 2013-03-12 2020-09-16 United Technologies Corporation Fan blade dovetail and spacer
EP2971661B1 (en) * 2013-03-15 2018-05-09 United Technologies Corporation Fan blade lubrication
KR102454379B1 (ko) * 2020-09-08 2022-10-14 두산에너빌리티 주식회사 로터 및 이를 포함하는 터보머신
US12286903B2 (en) * 2023-02-24 2025-04-29 General Electric Company Turbine engine including a composite airfoil assembly having a dovetail portion
US12241383B2 (en) * 2023-02-24 2025-03-04 General Electric Company Turbine engine with a composite-airfoil assembly having a dovetail portion

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US1793468A (en) * 1929-05-28 1931-02-24 Westinghouse Electric & Mfg Co Turbine blade
FR1095392A (fr) * 1953-12-01 1955-06-01 Csf Aubages de turbines à gaz
US3045968A (en) 1959-12-10 1962-07-24 Gen Motors Corp Fir tree blade mount
US4191509A (en) 1977-12-27 1980-03-04 United Technologies Corporation Rotor blade attachment
US4451205A (en) * 1982-02-22 1984-05-29 United Technologies Corporation Rotor blade assembly
US4480957A (en) * 1983-04-14 1984-11-06 General Electric Company Dynamic response modification and stress reduction in dovetail and blade assembly
US4645425A (en) * 1984-12-19 1987-02-24 United Technologies Corporation Turbine or compressor blade mounting
US4692976A (en) 1985-07-30 1987-09-15 Westinghouse Electric Corp. Method of making scalable side entry turbine blade roots
US4824328A (en) 1987-05-22 1989-04-25 Westinghouse Electric Corp. Turbine blade attachment
GB2238581B (en) * 1989-11-30 1994-01-12 Rolls Royce Plc Improved attachment of a gas turbine engine blade to a turbine rotor disc
US5087174A (en) * 1990-01-22 1992-02-11 Westinghouse Electric Corp. Temperature activated expanding mineral shim
US5250168A (en) * 1990-07-03 1993-10-05 Hitachi, Ltd. Integrated ion sensor
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US5494408A (en) 1994-10-12 1996-02-27 General Electric Co. Bucket to wheel dovetail design for turbine rotors
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US6183202B1 (en) * 1999-04-30 2001-02-06 General Electric Company Stress relieved blade support
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Also Published As

Publication number Publication date
US6773234B2 (en) 2004-08-10
US20040076523A1 (en) 2004-04-22
EP1418310A2 (en) 2004-05-12
EP1418310A3 (en) 2006-08-30

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