EP0705959A3 - Fussform für Turbomaschinenschaufeln - Google Patents

Fussform für Turbomaschinenschaufeln Download PDF

Info

Publication number
EP0705959A3
EP0705959A3 EP95810586A EP95810586A EP0705959A3 EP 0705959 A3 EP0705959 A3 EP 0705959A3 EP 95810586 A EP95810586 A EP 95810586A EP 95810586 A EP95810586 A EP 95810586A EP 0705959 A3 EP0705959 A3 EP 0705959A3
Authority
EP
European Patent Office
Prior art keywords
curve radius
supporting surface
adjoining
bearing surfaces
notches
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Withdrawn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
EP95810586A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0705959A2 (de
Inventor
Uy-Liem Dr. Nguyen
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.)
ABB AG Germany
Original Assignee
ABB Management AG
ABB Asea Brown Boveri Ltd
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 ABB Management AG, ABB Asea Brown Boveri Ltd filed Critical ABB Management AG
Publication of EP0705959A2 publication Critical patent/EP0705959A2/de
Publication of EP0705959A3 publication Critical patent/EP0705959A3/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Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP95810586A 1994-10-01 1995-09-20 Fussform für Turbomaschinenschaufeln Withdrawn EP0705959A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4435268 1994-10-01
DE4435268A DE4435268A1 (de) 1994-10-01 1994-10-01 Beschaufelter Rotor einer Turbomaschine

Publications (2)

Publication Number Publication Date
EP0705959A2 EP0705959A2 (de) 1996-04-10
EP0705959A3 true EP0705959A3 (de) 1998-01-07

Family

ID=6529803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95810586A Withdrawn EP0705959A3 (de) 1994-10-01 1995-09-20 Fussform für Turbomaschinenschaufeln

Country Status (4)

Country Link
US (1) US5554005A (ja)
EP (1) EP0705959A3 (ja)
JP (1) JPH08100603A (ja)
DE (1) DE4435268A1 (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19728085A1 (de) * 1997-07-02 1999-01-07 Asea Brown Boveri Fügeverbindung zwischen zwei Fügepartnern sowie deren Verwendung
US6033185A (en) * 1998-09-28 2000-03-07 General Electric Company Stress relieved dovetail
GB2442968B (en) * 2006-10-20 2009-08-19 Rolls Royce Plc A turbomachine rotor blade and a turbomachine rotor
US20080232972A1 (en) * 2007-03-23 2008-09-25 Richard Bouchard Blade fixing for a blade in a gas turbine engine
US8038404B2 (en) * 2007-07-16 2011-10-18 Nuovo Pignone Holdings, S.P.A. Steam turbine and rotating blade
US8047797B2 (en) * 2007-07-16 2011-11-01 Nuovo Pignone Holdings, S.P.A. Steam turbine and rotating blade
EP2045444B1 (de) 2007-10-01 2015-11-18 Alstom Technology Ltd Laufschaufel, Verfahren zur Herstellung einer Laufschaufel, sowie Verdichter mit einer solchen Laufschaufel
DE102007051838A1 (de) * 2007-10-30 2009-05-07 Rolls-Royce Deutschland Ltd & Co Kg Gasturbinenschaufelfuß
US8047796B2 (en) * 2007-11-16 2011-11-01 General Electric Company Dovetail attachment for use with turbine assemblies and methods of assembling turbine assemblies
US20090285690A1 (en) * 2008-05-19 2009-11-19 Brown Clayton D Axial blade slot pressure face with undercut
EP2546465A1 (en) 2011-07-14 2013-01-16 Siemens Aktiengesellschaft Blade root, corresponding blade, rotor disc, and turbomachine assembly
US9359905B2 (en) 2012-02-27 2016-06-07 Solar Turbines Incorporated Turbine engine rotor blade groove
US10072507B2 (en) * 2012-10-25 2018-09-11 United Technologies Corporation Redundant airfoil attachment
EP2762676A1 (en) * 2013-02-04 2014-08-06 Siemens Aktiengesellschaft Turbomachine rotor blade, turbomachine rotor disc, turbomachine rotor, and gas turbine engine with different root and slot contact face angles
EP2860361B1 (de) 2013-10-08 2017-03-01 MTU Aero Engines GmbH Bauteilabstützung und Strömungsmaschine
GB201416505D0 (en) * 2014-09-18 2014-11-05 Rolls Royce Plc Gas turbine engine
JP2016223310A (ja) * 2015-05-27 2016-12-28 三菱日立パワーシステムズ株式会社 タービンおよびタービン運用方法
JP6521273B2 (ja) * 2015-08-21 2019-05-29 三菱重工コンプレッサ株式会社 蒸気タービン
EP3159483A1 (de) * 2015-10-22 2017-04-26 Siemens Aktiengesellschaft Schaufelträger zur befestigung von laufschaufeln einer thermischen strömungsmaschine
JP6785555B2 (ja) * 2016-01-15 2020-11-18 三菱パワー株式会社 動翼のタービンロータへの組付方法
US10895160B1 (en) * 2017-04-07 2021-01-19 Glenn B. Sinclair Stress relief via unblended edge radii in blade attachments in gas turbines
CN107143380B (zh) * 2017-05-27 2019-04-02 中国航发湖南动力机械研究所 燃气涡轮盘榫槽设计方法、燃气涡轮盘及航空发动机
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
DE102022202368A1 (de) 2022-03-10 2023-09-14 Siemens Energy Global GmbH & Co. KG Nutdesign einer Scheibe für eine Turbinenschaufel, Rotor und ein Verfahren
US20240093615A1 (en) * 2022-09-20 2024-03-21 Siemens Energy, Inc. System and method for reducing blade hook stress in a turbine blade

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE859838C (de) * 1951-04-07 1952-12-15 Maschf Augsburg Nuernberg Ag Maschinenbauteile aus keramischen Werkstoffen
GB2011552A (en) * 1977-12-27 1979-07-11 United Technologies Corp Rotor blade attachment
JPS58167807A (ja) * 1982-03-29 1983-10-04 Hitachi Ltd タ−ボ機械のブレ−ド取付構造
WO1987000778A1 (en) * 1985-07-30 1987-02-12 Westinghouse Electric Corporation Method of making scalable side entry turbine blade roots
EP0291725A1 (en) * 1987-05-22 1988-11-23 Westinghouse Electric Corporation Turbine blade attachment
EP0478234A1 (en) * 1990-09-27 1992-04-01 General Electric Company Stress-relieved rotor blade attachment slot
US5176500A (en) * 1992-03-24 1993-01-05 Westinghouse Electric Corp. Two-lug side-entry turbine blade attachment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413046B (sv) 1977-12-28 1980-03-31 Gotto Raymond John Tendstiftslas
GB2030657B (en) * 1978-09-30 1982-08-11 Rolls Royce Blade for gas turbine engine
GB2238581B (en) * 1989-11-30 1994-01-12 Rolls Royce Plc Improved attachment of a gas turbine engine blade to a turbine rotor disc
US5152669A (en) * 1990-06-26 1992-10-06 Westinghouse Electric Corp. Turbomachine blade fastening
US5147180A (en) * 1991-03-21 1992-09-15 Westinghouse Electric Corp. Optimized blade root profile for steam turbine blades
US5160242A (en) * 1991-05-31 1992-11-03 Westinghouse Electric Corp. Freestanding mixed tuned steam turbine blade

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE859838C (de) * 1951-04-07 1952-12-15 Maschf Augsburg Nuernberg Ag Maschinenbauteile aus keramischen Werkstoffen
GB2011552A (en) * 1977-12-27 1979-07-11 United Technologies Corp Rotor blade attachment
JPS58167807A (ja) * 1982-03-29 1983-10-04 Hitachi Ltd タ−ボ機械のブレ−ド取付構造
WO1987000778A1 (en) * 1985-07-30 1987-02-12 Westinghouse Electric Corporation Method of making scalable side entry turbine blade roots
EP0291725A1 (en) * 1987-05-22 1988-11-23 Westinghouse Electric Corporation Turbine blade attachment
EP0478234A1 (en) * 1990-09-27 1992-04-01 General Electric Company Stress-relieved rotor blade attachment slot
US5176500A (en) * 1992-03-24 1993-01-05 Westinghouse Electric Corp. Two-lug side-entry turbine blade attachment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 005 (M - 267) 11 January 1984 (1984-01-11) *

Also Published As

Publication number Publication date
EP0705959A2 (de) 1996-04-10
DE4435268A1 (de) 1996-04-04
JPH08100603A (ja) 1996-04-16
US5554005A (en) 1996-09-10

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