EP2075408A3 - Last stage stator blade of a steam turbine low-pressure section - Google Patents

Last stage stator blade of a steam turbine low-pressure section Download PDF

Info

Publication number
EP2075408A3
EP2075408A3 EP08173020A EP08173020A EP2075408A3 EP 2075408 A3 EP2075408 A3 EP 2075408A3 EP 08173020 A EP08173020 A EP 08173020A EP 08173020 A EP08173020 A EP 08173020A EP 2075408 A3 EP2075408 A3 EP 2075408A3
Authority
EP
European Patent Office
Prior art keywords
steam turbine
last stage
pressure section
stator blade
turbine low
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Withdrawn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
EP08173020A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2075408A2 (en
Inventor
Nicola Camerlenghi
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.)
Ansaldo Energia SpA
Original Assignee
Ansaldo Energia SpA
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 Ansaldo Energia SpA filed Critical Ansaldo Energia SpA
Publication of EP2075408A2 publication Critical patent/EP2075408A2/en
Publication of EP2075408A3 publication Critical patent/EP2075408A3/en
Withdrawn legal-status Critical Current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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • 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
    • F05D2200/00—Mathematical features
    • F05D2200/20—Special functions
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP08173020A 2007-12-28 2008-12-29 Last stage stator blade of a steam turbine low-pressure section Withdrawn EP2075408A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20072441 ITMI20072441A1 (it) 2007-12-28 2007-12-28 Pala statorica di ultimo stadio di sezione di bassa pressione di una turbina a vapore

Publications (2)

Publication Number Publication Date
EP2075408A2 EP2075408A2 (en) 2009-07-01
EP2075408A3 true EP2075408A3 (en) 2013-03-06

Family

ID=40315667

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08173020A Withdrawn EP2075408A3 (en) 2007-12-28 2008-12-29 Last stage stator blade of a steam turbine low-pressure section

Country Status (2)

Country Link
EP (1) EP2075408A3 (it)
IT (1) ITMI20072441A1 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12135007B2 (en) 2018-06-08 2024-11-05 Global Energy Co., Ltd. Horizontal shaft rotor

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8137062B2 (en) 2010-05-11 2012-03-20 General Electric Company Turbomachine nozzle
ITMI20101447A1 (it) * 2010-07-30 2012-01-30 Alstom Technology Ltd "turbina a vapore a bassa pressione e metodo per il funzionamento della stessa"
EP2434094A3 (en) 2010-09-28 2018-02-21 Mitsubishi Hitachi Power Systems, Ltd. Steam turbine stator vane and steam turbine
KR101322554B1 (ko) * 2012-03-27 2013-10-28 가부시키가이샤 히타치세이사쿠쇼 증기 터빈의 고정익 및 그것을 사용한 증기 터빈
ITCO20120061A1 (it) * 2012-12-13 2014-06-14 Nuovo Pignone Srl Metodi per produrre pale di turbomacchina con canali sagomati mediante produzione additiva, pale di turbomacchina e turbomacchine
CN103541774B (zh) * 2013-11-14 2015-06-17 上海汽轮机厂有限公司 涡轮叶片设计方法
WO2015175052A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
EP3108112B1 (en) * 2014-02-19 2023-10-11 Raytheon Technologies Corporation Turbofan engine with geared architecture and lpc airfoils
US9567858B2 (en) 2014-02-19 2017-02-14 United Technologies Corporation Gas turbine engine airfoil
US9140127B2 (en) 2014-02-19 2015-09-22 United Technologies Corporation Gas turbine engine airfoil
WO2015175044A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
EP3108120B1 (en) 2014-02-19 2021-03-31 Raytheon Technologies Corporation Gas turbine engine having a geared architecture and a specific fixed airfoil structure
WO2015175043A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
US10465702B2 (en) 2014-02-19 2019-11-05 United Technologies Corporation Gas turbine engine airfoil
US10570916B2 (en) 2014-02-19 2020-02-25 United Technologies Corporation Gas turbine engine airfoil
WO2015175073A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
EP3108100B1 (en) 2014-02-19 2021-04-14 Raytheon Technologies Corporation Gas turbine engine fan blade
EP3575551B1 (en) 2014-02-19 2021-10-27 Raytheon Technologies Corporation Gas turbine engine airfoil
EP3108103B1 (en) 2014-02-19 2023-09-27 Raytheon Technologies Corporation Fan blade for a gas turbine engine
US10570915B2 (en) 2014-02-19 2020-02-25 United Technologies Corporation Gas turbine engine airfoil
WO2015126941A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
US10584715B2 (en) 2014-02-19 2020-03-10 United Technologies Corporation Gas turbine engine airfoil
EP3108106B1 (en) 2014-02-19 2022-05-04 Raytheon Technologies Corporation Gas turbine engine airfoil
EP3985226B1 (en) 2014-02-19 2024-12-25 RTX Corporation Gas turbine engine airfoil
EP3108105B1 (en) 2014-02-19 2021-05-12 Raytheon Technologies Corporation Gas turbine engine airfoil
US10495106B2 (en) 2014-02-19 2019-12-03 United Technologies Corporation Gas turbine engine airfoil
WO2015126454A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108101B1 (en) 2014-02-19 2022-04-20 Raytheon Technologies Corporation Gas turbine engine airfoil
EP3108123B1 (en) 2014-02-19 2023-10-04 Raytheon Technologies Corporation Turbofan engine with geared architecture and lpc airfoils
GB201707811D0 (en) * 2017-05-16 2017-06-28 Rolls Royce Plc Compressor aerofoil member
CN113250755B (zh) * 2021-04-15 2022-06-07 西北工业大学 基于非均匀有理b样条曲线的叶型的设计方法及叶片
DE102022103319A1 (de) 2022-02-11 2023-08-17 MTU Aero Engines AG Leitschaufel für eine Strömungsmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0916812A1 (de) * 1997-11-17 1999-05-19 Asea Brown Boveri AG Endstufe für axialdurchströmte Turbine
US20030086788A1 (en) * 2001-06-27 2003-05-08 Chandraker A. L. Three dimensional blade
WO2007011355A1 (en) * 2005-07-19 2007-01-25 Honeywell International Inc. Variable nozzle turbocharger
WO2007113149A1 (de) * 2006-03-31 2007-10-11 Alstom Technology Ltd Leitschaufel für eine strömungsmaschine, insbesondere für eine dampfturbine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0916812A1 (de) * 1997-11-17 1999-05-19 Asea Brown Boveri AG Endstufe für axialdurchströmte Turbine
US20030086788A1 (en) * 2001-06-27 2003-05-08 Chandraker A. L. Three dimensional blade
WO2007011355A1 (en) * 2005-07-19 2007-01-25 Honeywell International Inc. Variable nozzle turbocharger
WO2007113149A1 (de) * 2006-03-31 2007-10-11 Alstom Technology Ltd Leitschaufel für eine strömungsmaschine, insbesondere für eine dampfturbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12135007B2 (en) 2018-06-08 2024-11-05 Global Energy Co., Ltd. Horizontal shaft rotor

Also Published As

Publication number Publication date
ITMI20072441A1 (it) 2009-06-29
EP2075408A2 (en) 2009-07-01

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