JP4870754B2 - 動翼／ディスク（７ＦＡ＋ｅ、第２段）の応力を低減するための動翼／ディスクダブテールバックカット - Google Patents

動翼／ディスク（７ＦＡ＋ｅ、第２段）の応力を低減するための動翼／ディスクダブテールバックカット Download PDF

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Publication number
JP4870754B2
JP4870754B2 JP2008511417A JP2008511417A JP4870754B2 JP 4870754 B2 JP4870754 B2 JP 4870754B2 JP 2008511417 A JP2008511417 A JP 2008511417A JP 2008511417 A JP2008511417 A JP 2008511417A JP 4870754 B2 JP4870754 B2 JP 4870754B2
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Japan
Prior art keywords
dovetail
blade
disk
backcut
turbine
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JP2008511417A
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English (en)
Japanese (ja)
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JP2008540921A (ja
JP2008540921A5 (https=
Inventor
バイアム，スティーブ・ポール
ゼミティス，ウィリアム・スコット
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General Electric Co
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General Electric Co
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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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/10—Manufacture by removing material
    • 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
    • F05D2240/81—Cooled platforms
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2008511417A 2005-05-12 2006-05-12 動翼／ディスク（７ＦＡ＋ｅ、第２段）の応力を低減するための動翼／ディスクダブテールバックカット Active JP4870754B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US68003305P 2005-05-12 2005-05-12
US68003205P 2005-05-12 2005-05-12
US60/680,032 2005-05-12
US60/680,033 2005-05-12
PCT/US2006/018472 WO2006124619A2 (en) 2005-05-12 2006-05-12 BLADE/DISK DOVETAIL BACKCUT FOR BLADE/DISK STRESS REDUCTION (7FA+e, STAGE 2)

Publications (3)

Publication Number Publication Date
JP2008540921A JP2008540921A (ja) 2008-11-20
JP2008540921A5 JP2008540921A5 (https=) 2009-08-06
JP4870754B2 true JP4870754B2 (ja) 2012-02-08

Family

ID=37431920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008511417A Active JP4870754B2 (ja) 2005-05-12 2006-05-12 動翼／ディスク（７ＦＡ＋ｅ、第２段）の応力を低減するための動翼／ディスクダブテールバックカット

Country Status (4)

Country Link
US (1) US7419361B1 (https=)
EP (1) EP1882085A4 (https=)
JP (1) JP4870754B2 (https=)
WO (1) WO2006124619A2 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080101938A1 (en) * 2006-10-26 2008-05-01 General Electric Blade/disk dovetail backcut for blade/disk stress reduction (7FA, stage 1)
US20080101937A1 (en) * 2006-10-26 2008-05-01 General Electric Blade/disk dovetail backcut for blade/disk stress reduction (9FA, stage 1)
US20080101939A1 (en) * 2006-10-26 2008-05-01 General Electric Blade/disk dovetail backcut for blade/disk stress reduction (7FA, stage 2)
US8051709B2 (en) * 2009-02-25 2011-11-08 General Electric Company Method and apparatus for pre-spinning rotor forgings
US9151167B2 (en) 2012-02-10 2015-10-06 General Electric Company Turbine assembly
US9151169B2 (en) * 2012-03-29 2015-10-06 General Electric Company Near-flow-path seal isolation dovetail
US9200539B2 (en) 2012-07-12 2015-12-01 General Electric Company Turbine shell support arm
US9903210B2 (en) 2013-05-21 2018-02-27 Siemens Energy, Inc. Turbine blade tip shroud
US9828858B2 (en) 2013-05-21 2017-11-28 Siemens Energy, Inc. Turbine blade airfoil and tip shroud
EP3034798B1 (en) * 2014-12-18 2018-03-07 Ansaldo Energia Switzerland AG Gas turbine vane
US20170356297A1 (en) * 2016-06-13 2017-12-14 General Electric Company Lockwire Tab Backcut For Blade Stress Reduction (9E.04)
CN106825356B (zh) * 2016-12-09 2018-09-21 无锡航亚科技股份有限公司 一种精锻叶片型线修整的方法
JP7385992B2 (ja) * 2018-12-28 2023-11-24 川崎重工業株式会社 回転体の動翼およびディスク
CN115791142B (zh) * 2023-02-09 2023-06-13 中国航发四川燃气涡轮研究院 轴向限位叶片结构及配置方法
CN116857018B (zh) * 2023-08-11 2026-03-24 中国航发沈阳发动机研究所 一种涡轮盘与盘前封严盘的连接定位结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6232202A (ja) * 1985-08-05 1987-02-12 Hitachi Ltd ブレ−ドダブテ−ル
JPS63134804A (ja) * 1986-11-25 1988-06-07 Hitachi Ltd タ−ビン動翼の取付構造
JPS63138403A (ja) * 1986-12-01 1988-06-10 Fujitsu Ltd デ−タ転送方式
JPH08105301A (ja) * 1994-09-30 1996-04-23 Gec Alsthom Electromec Sa いわゆる「樅の木形足」状の根部を含む、タービンブレードのアンカー内の応力ピークの軽減のための配置
JP2000337294A (ja) * 1999-04-30 2000-12-05 General Electric Co <Ge> 応力除去された動翼支持構造

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138403U (https=) * 1987-03-04 1988-09-12
GB2228540B (en) * 1988-12-07 1993-03-31 Rolls Royce Plc Cooling of turbine blades
JPH04134605U (ja) * 1991-06-07 1992-12-15 三菱重工業株式会社 蒸気タービンの動翼
US5435694A (en) * 1993-11-19 1995-07-25 General Electric Company Stress relieving mount for an axial blade
US5573377A (en) 1995-04-21 1996-11-12 General Electric Company Assembly of a composite blade root and a rotor
DE19728085A1 (de) * 1997-07-02 1999-01-07 Asea Brown Boveri Fügeverbindung zwischen zwei Fügepartnern sowie deren Verwendung
US6059525A (en) 1998-05-19 2000-05-09 General Electric Co. Low strain shroud for a turbine technical field
US6033185A (en) 1998-09-28 2000-03-07 General Electric Company Stress relieved dovetail
US6439851B1 (en) * 2000-12-21 2002-08-27 United Technologies Corporation Reduced stress rotor blade and disk assembly
US6375423B1 (en) 2000-12-26 2002-04-23 General Electric Company Method for removal of dovetailed turbine bucket from a turbine wheel
US6390775B1 (en) 2000-12-27 2002-05-21 General Electric Company Gas turbine blade with platform undercut
US6520836B2 (en) 2001-02-28 2003-02-18 General Electric Company Method of forming a trailing edge cutback for a turbine bucket
US6739837B2 (en) * 2002-04-16 2004-05-25 United Technologies Corporation Bladed rotor with a tiered blade to hub interface

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6232202A (ja) * 1985-08-05 1987-02-12 Hitachi Ltd ブレ−ドダブテ−ル
JPS63134804A (ja) * 1986-11-25 1988-06-07 Hitachi Ltd タ−ビン動翼の取付構造
JPS63138403A (ja) * 1986-12-01 1988-06-10 Fujitsu Ltd デ−タ転送方式
JPH08105301A (ja) * 1994-09-30 1996-04-23 Gec Alsthom Electromec Sa いわゆる「樅の木形足」状の根部を含む、タービンブレードのアンカー内の応力ピークの軽減のための配置
JP2000337294A (ja) * 1999-04-30 2000-12-05 General Electric Co <Ge> 応力除去された動翼支持構造

Also Published As

Publication number Publication date
JP2008540921A (ja) 2008-11-20
WO2006124619A2 (en) 2006-11-23
WO2006124619A3 (en) 2007-06-21
EP1882085A2 (en) 2008-01-30
EP1882085A4 (en) 2013-06-26
US7419361B1 (en) 2008-09-02

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