EP2690255A3 - Segment statorique pour système de turbine - Google Patents

Segment statorique pour système de turbine Download PDF

Info

Publication number
EP2690255A3
EP2690255A3 EP13177215.4A EP13177215A EP2690255A3 EP 2690255 A3 EP2690255 A3 EP 2690255A3 EP 13177215 A EP13177215 A EP 13177215A EP 2690255 A3 EP2690255 A3 EP 2690255A3
Authority
EP
European Patent Office
Prior art keywords
airfoil
face
sidewall
slash face
inner sidewall
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Withdrawn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
EP13177215.4A
Other languages
German (de)
English (en)
Other versions
EP2690255A2 (fr
Inventor
Shruti Kulkarni
Joseph Vincent Pawlowski
Sheo Narain Giri
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP2690255A2 publication Critical patent/EP2690255A2/fr
Publication of EP2690255A3 publication Critical patent/EP2690255A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • 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
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • 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
    • F05D2240/80—Platforms for stationary or moving 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
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP13177215.4A 2012-07-23 2013-07-19 Segment statorique pour système de turbine Withdrawn EP2690255A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/555,417 US20140023517A1 (en) 2012-07-23 2012-07-23 Nozzle for turbine system

Publications (2)

Publication Number Publication Date
EP2690255A2 EP2690255A2 (fr) 2014-01-29
EP2690255A3 true EP2690255A3 (fr) 2017-07-19

Family

ID=48794000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13177215.4A Withdrawn EP2690255A3 (fr) 2012-07-23 2013-07-19 Segment statorique pour système de turbine

Country Status (2)

Country Link
US (1) US20140023517A1 (fr)
EP (1) EP2690255A3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11492917B2 (en) 2020-02-18 2022-11-08 General Electric Company Nozzle with slash face(s) with swept surfaces joining at arc with peak aligned with stiffening member
US11359502B2 (en) 2020-02-18 2022-06-14 General Electric Company Nozzle with slash face(s) with swept surfaces with joining line aligned with stiffening member

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022002A (ja) * 1983-07-18 1985-02-04 Hitachi Ltd タ−ボ機械の翼構造
FR2560287A1 (fr) * 1984-02-27 1985-08-30 Rockwell International Corp Tuyere de stator et moteur a turbine
EP1096108A2 (fr) * 1999-11-01 2001-05-02 General Electric Company Eléments statoriques de guidage de flux pour des turbines à gaz
DE102009026301A1 (de) * 2008-08-01 2010-02-18 General Electric Co. Geteiltes Leitschaufelpaar und diesbezügliches Verfahren
US20100158696A1 (en) * 2008-12-24 2010-06-24 Vidhu Shekhar Pandey Curved platform turbine blade
US20100183435A1 (en) * 2008-09-18 2010-07-22 Campbell Christian X Gas Turbine Vane Platform Element
EP2360349A2 (fr) * 2010-02-16 2011-08-24 General Electric Company Aube statorique de turbine à vapeur ayant une interface arquée

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283822A (en) * 1979-12-26 1981-08-18 General Electric Company Method of fabricating composite nozzles for water cooled gas turbines
US5017091A (en) * 1990-02-26 1991-05-21 Westinghouse Electric Corp. Free standing blade for use in low pressure steam turbine
EP1329593B1 (fr) * 2002-01-17 2005-03-23 Siemens Aktiengesellschaft Aube de turbine ayant une plateforme supportant les gaz chaux et une plateforme supportant les charges mécaniques

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022002A (ja) * 1983-07-18 1985-02-04 Hitachi Ltd タ−ボ機械の翼構造
FR2560287A1 (fr) * 1984-02-27 1985-08-30 Rockwell International Corp Tuyere de stator et moteur a turbine
EP1096108A2 (fr) * 1999-11-01 2001-05-02 General Electric Company Eléments statoriques de guidage de flux pour des turbines à gaz
DE102009026301A1 (de) * 2008-08-01 2010-02-18 General Electric Co. Geteiltes Leitschaufelpaar und diesbezügliches Verfahren
US20100183435A1 (en) * 2008-09-18 2010-07-22 Campbell Christian X Gas Turbine Vane Platform Element
US20100158696A1 (en) * 2008-12-24 2010-06-24 Vidhu Shekhar Pandey Curved platform turbine blade
EP2360349A2 (fr) * 2010-02-16 2011-08-24 General Electric Company Aube statorique de turbine à vapeur ayant une interface arquée

Also Published As

Publication number Publication date
US20140023517A1 (en) 2014-01-23
EP2690255A2 (fr) 2014-01-29

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