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
- neck
- root
- steam turbine
- turbine blades
- blade root
- 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
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.
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 (34)
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 |
CZ300244B6 (cs) * | 2002-11-27 | 2009-04-01 | General Electric Company | Rybinový spoj |
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 |
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 |
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 |
WO2016195656A1 (en) * | 2015-06-02 | 2016-12-08 | 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 |
Citations (4)
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)
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 |
-
1991
- 1991-03-21 US US07/672,971 patent/US5147180A/en not_active Expired - Lifetime
-
1992
- 1992-03-03 JP JP4045438A patent/JPH0586805A/ja active Pending
- 1992-03-20 ES ES09200605A patent/ES2052439B1/es not_active Expired - Lifetime
- 1992-03-20 CA CA002063634A patent/CA2063634A1/en not_active Abandoned
Patent Citations (4)
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 |
---|---|
JPH0586805A (ja) | 1993-04-06 |
US5147180A (en) | 1992-09-15 |
ES2052439B1 (es) | 1997-02-16 |
ES2052439R (es) | 1996-07-01 |
CA2063634A1 (en) | 1992-09-22 |
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