ES2070720A2 - Fijacion de los alabes de turbina de entrada lateral de dos proyecciones. - Google Patents

Fijacion de los alabes de turbina de entrada lateral de dos proyecciones.

Info

Publication number
ES2070720A2
ES2070720A2 ES09300583A ES9300583A ES2070720A2 ES 2070720 A2 ES2070720 A2 ES 2070720A2 ES 09300583 A ES09300583 A ES 09300583A ES 9300583 A ES9300583 A ES 9300583A ES 2070720 A2 ES2070720 A2 ES 2070720A2
Authority
ES
Spain
Prior art keywords
lower seat
radio
filet
projection
base
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
ES09300583A
Other languages
English (en)
Other versions
ES2070720B1 (es
ES2070720R (es
Inventor
Roger Walter Heinig
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 ES2070720A2 publication Critical patent/ES2070720A2/es
Publication of ES2070720R publication Critical patent/ES2070720R/es
Application granted granted Critical
Publication of ES2070720B1 publication Critical patent/ES2070720B1/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

FIJACION DE LOS ALABES DE TURBINA DE ENTRADA LATERAL DE DOS PROYECCIONES. BASE DE ALABE INCLUYENDO EN ORDEN DESCENDIENTE SIMETRICO A CADA LADO DE UNA LINEA CENTRAL: UN CUELLO SUPERIOR DE ANCHURA W1; UNA PROYECCION SUPERIOR CON SUPERFICIE PLANA DE ASIENTO SUPERIOR EXTENDIENDOSE DESDE UN PUNTO DE INICIO HASTA UNO DE TERMINACION, SUPERFICIE DE FILETE DE RADIO R2, UNA LONGITUD DE ARCO, UNA SUPERFICIE DE FILETE DE RADIO R3, UNA POSTERIOR LONGITUD DE ARCO, UN CUELLO INFERIOR DE ANCHURA W2 Y PROYECCION INFERIOR CON UNA SUPERFICIE PLANA DE ASIENTO INFERIOR INCLUYENDO LA RANURA FORMADA UNA SUPERFICIE DE FILETE DE RADIO R7, ESTANDO LA SUPERFICIE INFERIOR DE ASIENTO DE LA BASE Y LA INFERIOR DE ASIENTO DE LA RANURA EN CONTACTO EN UNA LONGITUD 12 DESDE EL PUNTO DE INICIO HASTA LA SUPERFICIE INFERIOR DE ASIENTO DE LA RANURA HASTA EL DE TERMINACION DE LA SUPERFICIE INFERIOR DE ASIENTO DE LA BASE CON RELACIONES APROXIMADAS W2 A W1 0,5, R3 A W1 0,15, R6 A W1 0,08, R7 A W1 0,12, 11 A W1 0,13 Y 12 A W1 0,10.
ES09300583A 1992-03-24 1993-03-22 Fijacion de los alabes de turbina de entrada lateral de dos proyecciones. Expired - Lifetime ES2070720B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/856,997 US5176500A (en) 1992-03-24 1992-03-24 Two-lug side-entry turbine blade attachment

Publications (3)

Publication Number Publication Date
ES2070720A2 true ES2070720A2 (es) 1995-06-01
ES2070720R ES2070720R (es) 1997-04-01
ES2070720B1 ES2070720B1 (es) 1997-10-16

Family

ID=25324928

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09300583A Expired - Lifetime ES2070720B1 (es) 1992-03-24 1993-03-22 Fijacion de los alabes de turbina de entrada lateral de dos proyecciones.

Country Status (6)

Country Link
US (1) US5176500A (es)
JP (1) JPH0610606A (es)
KR (1) KR100270342B1 (es)
CA (1) CA2092273C (es)
ES (1) ES2070720B1 (es)
IT (1) IT1263340B (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5480285A (en) * 1993-08-23 1996-01-02 Westinghouse Electric Corporation Steam turbine blade
DE4435268A1 (de) * 1994-10-01 1996-04-04 Abb Management Ag Beschaufelter Rotor einer Turbomaschine
US5474423A (en) * 1994-10-12 1995-12-12 General Electric Co. Bucket and wheel dovetail design for turbine rotors
US5494408A (en) * 1994-10-12 1996-02-27 General Electric Co. Bucket to 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
DE19607230C1 (de) * 1996-02-27 1997-02-20 Walter Ag Verfahren zur Herstellung bogenförmiger Nuten und Werkzeug dazu
US6302651B1 (en) * 1999-12-29 2001-10-16 United Technologies Corporation Blade attachment configuration
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
EP1584792A1 (de) * 2004-04-08 2005-10-12 Siemens Aktiengesellschaft Schaufelbefestigung für einen Verdichter oder eine Turbine
US7261518B2 (en) * 2005-03-24 2007-08-28 Siemens Demag Delaval Turbomachinery, Inc. Locking arrangement for radial entry turbine blades
US8038404B2 (en) * 2007-07-16 2011-10-18 Nuovo Pignone Holdings, S.P.A. Steam turbine and rotating blade
MX2012010763A (es) * 2010-08-06 2012-10-15 Saint Gobain Abrasives Inc Herramienta abrasiva y metodo para acabar formas complejas en piezas de trabajo.
EP2436883A1 (en) 2010-09-29 2012-04-04 Siemens Aktiengesellschaft Blade root, particularly of a turbine blade, a blade, and a turbomachine assembly
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
EP3093441B1 (en) * 2015-05-12 2019-07-10 Ansaldo Energia Switzerland AG Turbo engine rotor comprising a blade-shaft connection, and blade for said rotor
WO2016195656A1 (en) * 2015-06-02 2016-12-08 Siemens Aktiengesellschaft Attachment system for a turbine airfoil usable in a gas turbine engine
CN110685752A (zh) * 2019-10-09 2020-01-14 东方电气集团东方汽轮机有限公司 一种大型汽轮机动叶片叶根及其轮槽型线
US11794830B2 (en) * 2021-01-22 2023-10-24 Caterpillar Inc. Sprocket locking segments
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2011552A (en) * 1977-12-27 1979-07-11 United Technologies Corp 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
EP0431766A1 (en) * 1989-11-30 1991-06-12 ROLLS-ROYCE plc Improved attachment of a gas turbine engine blade to a turbine rotor disc
US5147180A (en) * 1991-03-21 1992-09-15 Westinghouse Electric Corp. Optimized blade root profile for steam turbine blades

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2011552A (en) * 1977-12-27 1979-07-11 United Technologies Corp 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
EP0431766A1 (en) * 1989-11-30 1991-06-12 ROLLS-ROYCE plc Improved attachment of a gas turbine engine blade to a turbine rotor disc
US5147180A (en) * 1991-03-21 1992-09-15 Westinghouse Electric Corp. Optimized blade root profile for steam turbine blades

Also Published As

Publication number Publication date
JPH0610606A (ja) 1994-01-18
KR930019992A (ko) 1993-10-19
ITPD930060A0 (it) 1993-03-17
CA2092273C (en) 2004-07-13
ITPD930060A1 (it) 1994-09-17
KR100270342B1 (ko) 2000-11-01
ES2070720B1 (es) 1997-10-16
US5176500A (en) 1993-01-05
ES2070720R (es) 1997-04-01
CA2092273A1 (en) 1993-09-25
IT1263340B (it) 1996-08-05

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