EP2019913A4 - Schaufel/scheiben-schwalbenschwanzhinterschnitt für schaufel/scheiben-spannungsreduzierung (6fa+e, stufe 2) - Google Patents

Schaufel/scheiben-schwalbenschwanzhinterschnitt für schaufel/scheiben-spannungsreduzierung (6fa+e, stufe 2)

Info

Publication number
EP2019913A4
EP2019913A4 EP06759705A EP06759705A EP2019913A4 EP 2019913 A4 EP2019913 A4 EP 2019913A4 EP 06759705 A EP06759705 A EP 06759705A EP 06759705 A EP06759705 A EP 06759705A EP 2019913 A4 EP2019913 A4 EP 2019913A4
Authority
EP
European Patent Office
Prior art keywords
blade
disk
stage
stress reduction
dovetail backcut
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Withdrawn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
EP06759705A
Other languages
English (en)
French (fr)
Other versions
EP2019913A1 (de
Inventor
Patrick J Mohr
Emilio Fernandez
Anil B Rajanna
Murugesan Seerangan
Kamlesh Dewangan
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 EP2019913A1 publication Critical patent/EP2019913A1/de
Publication of EP2019913A4 publication Critical patent/EP2019913A4/de
Withdrawn legal-status Critical Current

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
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/19—Two-dimensional machined; miscellaneous
    • F05D2250/193—Two-dimensional machined; miscellaneous milled
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP06759705A 2006-05-12 2006-05-12 Schaufel/scheiben-schwalbenschwanzhinterschnitt für schaufel/scheiben-spannungsreduzierung (6fa+e, stufe 2) Withdrawn EP2019913A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2006/018473 WO2007133204A1 (en) 2006-05-12 2006-05-12 BLADE/DISK DOVETAIL BACKCUT FOR BLADE/DISK STRESS REDUCTION (6FA+e, STAGE 2)

Publications (2)

Publication Number Publication Date
EP2019913A1 EP2019913A1 (de) 2009-02-04
EP2019913A4 true EP2019913A4 (de) 2011-06-01

Family

ID=38694179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06759705A Withdrawn EP2019913A4 (de) 2006-05-12 2006-05-12 Schaufel/scheiben-schwalbenschwanzhinterschnitt für schaufel/scheiben-spannungsreduzierung (6fa+e, stufe 2)

Country Status (4)

Country Link
EP (1) EP2019913A4 (de)
JP (1) JP2009536994A (de)
CN (1) CN101438029B (de)
WO (1) WO2007133204A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8057187B2 (en) * 2008-09-08 2011-11-15 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
ITCO20130004A1 (it) * 2013-02-20 2014-08-21 Nuovo Pignone Srl Metodo per realizzare una girante da segmenti a settore
US20160319680A1 (en) * 2015-04-29 2016-11-03 General Electric Company Blade/disk dovetail backcut for blade/disk stress reduction for a second stage of a turbomachine
US20160319747A1 (en) * 2015-04-29 2016-11-03 General Electric Company Blade/disk dovetail backcut for blade/disk stress reduction for a first stage of a turbomachine
CN106289893B (zh) * 2015-05-25 2019-01-25 西安航空动力股份有限公司 一种轮盘盘心孔疲劳试验件的制造方法
US20170356297A1 (en) * 2016-06-13 2017-12-14 General Electric Company Lockwire Tab Backcut For Blade Stress Reduction (9E.04)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937593A (en) * 1973-04-17 1976-02-10 Joseph Lucas (Industries) Limited Rotor assemblies
GB2011552A (en) * 1977-12-27 1979-07-11 United Technologies Corp Rotor blade attachment
US5494408A (en) * 1994-10-12 1996-02-27 General Electric Co. Bucket to wheel dovetail design for turbine rotors
EP0705958A1 (de) * 1994-09-30 1996-04-10 Gec Alsthom Electromecanique Sa Abschrägung der Tragflächen eines Tannenbaumfusses für Turbinenschaufeln zur Spannungsverminderung
DE19705323A1 (de) * 1997-02-12 1998-08-27 Siemens Ag Reduzierung von lokalen Spannungen in Schaufelfußnuten
GB2345943A (en) * 1998-12-04 2000-07-26 Glenn Bruce Sinclair Crowning contacting surfaces in gas turbine engine blade mounting
EP1219782A2 (de) * 2000-12-21 2002-07-03 United Technologies Corporation Rotor-Schaufelblatt-Zusammenbau
EP1584792A1 (de) * 2004-04-08 2005-10-12 Siemens Aktiengesellschaft Schaufelbefestigung für einen Verdichter oder eine Turbine
US20050254953A1 (en) * 2004-05-14 2005-11-17 Paul Stone Blade fixing relief mismatch

Family Cites Families (6)

* 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
JPS63138403U (de) * 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
US6183202B1 (en) * 1999-04-30 2001-02-06 General Electric Company Stress relieved blade support

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937593A (en) * 1973-04-17 1976-02-10 Joseph Lucas (Industries) Limited Rotor assemblies
GB2011552A (en) * 1977-12-27 1979-07-11 United Technologies Corp Rotor blade attachment
EP0705958A1 (de) * 1994-09-30 1996-04-10 Gec Alsthom Electromecanique Sa Abschrägung der Tragflächen eines Tannenbaumfusses für Turbinenschaufeln zur Spannungsverminderung
US5494408A (en) * 1994-10-12 1996-02-27 General Electric Co. Bucket to wheel dovetail design for turbine rotors
DE19705323A1 (de) * 1997-02-12 1998-08-27 Siemens Ag Reduzierung von lokalen Spannungen in Schaufelfußnuten
GB2345943A (en) * 1998-12-04 2000-07-26 Glenn Bruce Sinclair Crowning contacting surfaces in gas turbine engine blade mounting
EP1219782A2 (de) * 2000-12-21 2002-07-03 United Technologies Corporation Rotor-Schaufelblatt-Zusammenbau
EP1584792A1 (de) * 2004-04-08 2005-10-12 Siemens Aktiengesellschaft Schaufelbefestigung für einen Verdichter oder eine Turbine
US20050254953A1 (en) * 2004-05-14 2005-11-17 Paul Stone Blade fixing relief mismatch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007133204A1 *

Also Published As

Publication number Publication date
CN101438029B (zh) 2012-05-30
JP2009536994A (ja) 2009-10-22
CN101438029A (zh) 2009-05-20
WO2007133204A1 (en) 2007-11-22
EP2019913A1 (de) 2009-02-04

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