ES2052439A2 - Perfil de raiz optimizado para alabes de turbina de vapor. - Google Patents

Perfil de raiz optimizado para alabes de turbina de vapor.

Info

Publication number
ES2052439A2
ES2052439A2 ES09200605A ES9200605A ES2052439A2 ES 2052439 A2 ES2052439 A2 ES 2052439A2 ES 09200605 A ES09200605 A ES 09200605A ES 9200605 A ES9200605 A ES 9200605A ES 2052439 A2 ES2052439 A2 ES 2052439A2
Authority
ES
Spain
Prior art keywords
root
narrow
steam turbine
conformed
optimized
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
ES09200605A
Other languages
English (en)
Other versions
ES2052439B1 (es
ES2052439R (es
Inventor
Mike C Johnson
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ES2052439A2 publication Critical patent/ES2052439A2/es
Publication of ES2052439R publication Critical patent/ES2052439R/es
Application granted granted Critical
Publication of ES2052439B1 publication Critical patent/ES2052439B1/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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)

Abstract

PERFIL DE RAIZ OPTIMIZADO PARA ALABES DE TURBINA DE VAPOR. EL ALABE INCLUYE UNA PORCION DE PERFIL DE ALA, UNA PORCION DE PLATAFORMA DESDE LA QUE SE EXTIENDE HACIA ARRIBA LA PORCION DE PERFIL DE ALA, Y UNA PORCION DE RAIZ QUE SE EXTIENDE HACIA ABAJO DESDE LA PORCION DE PLATAFORMA, INCLUYENDO LA PORCION DE RAIZ, EN ORDEN DESCENDENTE, UN ESTRECHAMIENTO SUPERIOR DE RAIZ, UN ESTRECHAMIENTO INTERMEDIO DE RAIZ Y UN ESTRECHAMIENTO INFERIOR DE RAIZ, UN SALIENTE SUPERIOR QUE ESTA CONFORMADO DEBAJO DEL ESTRECHAMIENTO SUPERIOR DE RAIZ, UN SALIENTE INTERMEDIO QUE ESTA CONFORMADO DEBAJO DEL ESTRECHAMIENTO INTERMEDIO, Y UN SALIENTE INFERIOR QUE ESTA CONFORMADO DEBAJO DEL ESTRECHAMIENTO INFERIOR DE RAIZ. EL ESTRECHAMIENTO SUPERIOR INCLUYE UN PRIMER RADIO R1 SUPERIOR Y UN SEGUNDO RADIO R2 INFERIOR, EN QUE LA LONGITUD DE R1 ES ALREDEDOR DE UN 30 POR CIENTO MAYOR QUE LA LONGITUD DE R2.
ES09200605A 1991-03-21 1992-03-20 Perfil de raiz optimizado para alabes de turbina de vapor. Expired - Lifetime ES2052439B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/672,971 US5147180A (en) 1991-03-21 1991-03-21 Optimized blade root profile for steam turbine blades

Publications (3)

Publication Number Publication Date
ES2052439A2 true ES2052439A2 (es) 1994-07-01
ES2052439R ES2052439R (es) 1996-07-01
ES2052439B1 ES2052439B1 (es) 1997-02-16

Family

ID=24700786

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09200605A Expired - Lifetime ES2052439B1 (es) 1991-03-21 1992-03-20 Perfil de raiz optimizado para alabes de turbina de vapor.

Country Status (4)

Country Link
US (1) US5147180A (es)
JP (1) JPH0586805A (es)
CA (1) CA2063634A1 (es)
ES (1) ES2052439B1 (es)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176500A (en) * 1992-03-24 1993-01-05 Westinghouse Electric Corp. Two-lug side-entry turbine blade attachment
DE4435268A1 (de) * 1994-10-01 1996-04-04 Abb Management Ag Beschaufelter Rotor einer Turbomaschine
US5494408A (en) * 1994-10-12 1996-02-27 General Electric Co. Bucket to wheel dovetail design for turbine rotors
US5474423A (en) * 1994-10-12 1995-12-12 General Electric Co. Bucket and wheel dovetail design for turbine rotors
US5531569A (en) * 1994-12-08 1996-07-02 General Electric Company Bucket to wheel dovetail design for turbine rotors
DE19654471B4 (de) * 1996-12-27 2006-05-24 Alstom Rotor einer Strömungsmaschine
US6142737A (en) * 1998-08-26 2000-11-07 General Electric Co. Bucket and wheel dovetail design for turbine rotors
US6321502B1 (en) * 1999-06-16 2001-11-27 Geometrica, Inc. Method of making connector hub
US6302651B1 (en) * 1999-12-29 2001-10-16 United Technologies Corporation Blade attachment configuration
US6592330B2 (en) * 2001-08-30 2003-07-15 General Electric Company Method and apparatus for non-parallel turbine dovetail-faces
ITMI20011970A1 (it) * 2001-09-21 2003-03-21 Nuovo Pignone Spa Connessione migliorata di palette su di un disco rotorico di una turbina a gas
US6652237B2 (en) * 2001-10-15 2003-11-25 General Electric Company Bucket and wheel dovetail design for turbine rotors
CZ300244B6 (cs) * 2002-11-27 2009-04-01 General Electric Company Rybinový spoj
US7905709B2 (en) * 2004-02-10 2011-03-15 General Electric Company Advanced firtree and broach slot forms for turbine stage 1 and 2 buckets and rotor wheels
US8079817B2 (en) * 2004-02-10 2011-12-20 General Electric Company Advanced firtree and broach slot forms for turbine stage 3 buckets and rotor wheels
US20060029500A1 (en) * 2004-08-04 2006-02-09 Anthony Cherolis Turbine blade flared buttress
JP4869616B2 (ja) * 2005-04-01 2012-02-08 株式会社日立製作所 蒸気タービン動翼と蒸気タービンロータ及びそれを用いた蒸気タービン並びにその発電プラント
JP4584102B2 (ja) * 2005-09-30 2010-11-17 株式会社日立製作所 タービンロータと逆クリスマスツリー型タービン動翼及びそれを用いた低圧蒸気タービン並びに蒸気タービン発電プラント
JP4918806B2 (ja) * 2006-04-06 2012-04-18 株式会社日立製作所 タービンロータ及びタービン動翼
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
US8047796B2 (en) * 2007-11-16 2011-11-01 General Electric Company Dovetail attachment for use with turbine assemblies and methods of assembling turbine assemblies
EP2322764A1 (de) * 2009-11-17 2011-05-18 Siemens Aktiengesellschaft Turbinenschaufelbefestigung für eine Strömungsmaschine
US8496443B2 (en) * 2009-12-15 2013-07-30 Siemens Energy, Inc. Modular turbine airfoil and platform assembly with independent root teeth
US8231354B2 (en) * 2009-12-15 2012-07-31 Siemens Energy, Inc. Turbine engine airfoil and platform assembly
EP2436883A1 (en) 2010-09-29 2012-04-04 Siemens Aktiengesellschaft Blade root, particularly of a turbine blade, a blade, and a turbomachine assembly
CH705325A1 (de) * 2011-07-20 2013-01-31 Alstom Technology Ltd Schaufel für eine Strömungsmaschine.
US10019235B2 (en) 2011-09-30 2018-07-10 Los Alamos National Security, Llc Quantum random number generators
US9546556B2 (en) * 2012-09-26 2017-01-17 United Technologies Corporation Turbine blade root profile
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
GB201416505D0 (en) * 2014-09-18 2014-11-05 Rolls Royce Plc Gas turbine engine
US9896947B2 (en) * 2014-12-15 2018-02-20 United Technologies Corporation Turbine airfoil attachment with multi-radial serration profile
EP3303773B1 (en) * 2015-06-02 2019-03-27 Siemens Aktiengesellschaft Attachment system for a turbine airfoil usable in a gas turbine engine
KR101999447B1 (ko) * 2017-11-21 2019-07-11 두산중공업 주식회사 버킷의 체결 구조 및 이를 포함하는 증기터빈
JP7163523B1 (ja) * 2022-03-24 2022-10-31 三菱重工業株式会社 タービン動翼、タービン動翼組立体、ガスタービン及びガスタービンの補修方法
US12305533B2 (en) * 2023-06-23 2025-05-20 Pratt & Whitney Canada Corp. Turbine rotor dovetail structure with splines

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191509A (en) * 1977-12-27 1980-03-04 United Technologies Corporation Rotor blade attachment
US4260331A (en) * 1978-09-30 1981-04-07 Rolls-Royce Limited Root attachment for a gas turbine engine blade
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079681A (en) * 1956-01-18 1963-03-05 Fentiman & Sons Ltd F Method of making a joint

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191509A (en) * 1977-12-27 1980-03-04 United Technologies Corporation Rotor blade attachment
US4260331A (en) * 1978-09-30 1981-04-07 Rolls-Royce Limited Root attachment for a gas turbine engine blade
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

Also Published As

Publication number Publication date
ES2052439B1 (es) 1997-02-16
ES2052439R (es) 1996-07-01
US5147180A (en) 1992-09-15
JPH0586805A (ja) 1993-04-06
CA2063634A1 (en) 1992-09-22

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