JP6186150B2 - 近接流路シール隔離ダブテール - Google Patents

近接流路シール隔離ダブテール Download PDF

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Publication number
JP6186150B2
JP6186150B2 JP2013065334A JP2013065334A JP6186150B2 JP 6186150 B2 JP6186150 B2 JP 6186150B2 JP 2013065334 A JP2013065334 A JP 2013065334A JP 2013065334 A JP2013065334 A JP 2013065334A JP 6186150 B2 JP6186150 B2 JP 6186150B2
Authority
JP
Japan
Prior art keywords
bucket
isolation element
turbine
dovetail
seal
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.)
Active
Application number
JP2013065334A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013204595A (ja
JP2013204595A5 (enExample
Inventor
マシュー・ロバート・ピアーソル
ブライアン・デンバー・ポッター
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 JP2013204595A publication Critical patent/JP2013204595A/ja
Publication of JP2013204595A5 publication Critical patent/JP2013204595A5/ja
Application granted granted Critical
Publication of JP6186150B2 publication Critical patent/JP6186150B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
    • 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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/10—Manufacture by removing material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2013065334A 2012-03-29 2013-03-27 近接流路シール隔離ダブテール Active JP6186150B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/433,969 2012-03-29
US13/433,969 US9151169B2 (en) 2012-03-29 2012-03-29 Near-flow-path seal isolation dovetail

Publications (3)

Publication Number Publication Date
JP2013204595A JP2013204595A (ja) 2013-10-07
JP2013204595A5 JP2013204595A5 (enExample) 2016-05-19
JP6186150B2 true JP6186150B2 (ja) 2017-08-23

Family

ID=48095547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013065334A Active JP6186150B2 (ja) 2012-03-29 2013-03-27 近接流路シール隔離ダブテール

Country Status (5)

Country Link
US (1) US9151169B2 (enExample)
EP (1) EP2644832B1 (enExample)
JP (1) JP6186150B2 (enExample)
CN (1) CN103362561B (enExample)
RU (1) RU2013113929A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9328622B2 (en) * 2012-06-12 2016-05-03 General Electric Company Blade attachment assembly
CN104153824B (zh) * 2014-07-25 2016-05-04 江苏金通灵流体机械科技股份有限公司 透平多级气封结构
US10662793B2 (en) 2014-12-01 2020-05-26 General Electric Company Turbine wheel cover-plate mounted gas turbine interstage seal
US10337345B2 (en) 2015-02-20 2019-07-02 General Electric Company Bucket mounted multi-stage turbine interstage seal and method of assembly
US10683765B2 (en) * 2017-02-14 2020-06-16 General Electric Company Turbine blades having shank features and methods of fabricating the same
IT202000004585A1 (it) * 2020-03-04 2021-09-04 Nuovo Pignone Tecnologie Srl Turbina e pala perfezionate per la protezione della radice dai gas caldi del percorso del flusso.
US11333026B2 (en) * 2020-05-26 2022-05-17 General Electric Company Vibration-damping system for turbomachine blade(s) on spacer adjacent blade stage

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL295165A (enExample) * 1962-07-11
US5318406A (en) * 1992-11-02 1994-06-07 General Electric Company Multipart gas turbine blade
US6190131B1 (en) * 1999-08-31 2001-02-20 General Electric Co. Non-integral balanced coverplate and coverplate centering slot for a turbine
US6652237B2 (en) 2001-10-15 2003-11-25 General Electric Company Bucket and wheel dovetail design for turbine rotors
US6884028B2 (en) * 2002-09-30 2005-04-26 General Electric Company Turbomachinery blade retention system
US6984112B2 (en) 2003-10-31 2006-01-10 General Electric Company Methods and apparatus for cooling gas turbine rotor blades
WO2006124619A2 (en) * 2005-05-12 2006-11-23 General Electric Company BLADE/DISK DOVETAIL BACKCUT FOR BLADE/DISK STRESS REDUCTION (7FA+e, STAGE 2)
US7922455B2 (en) 2005-09-19 2011-04-12 General Electric Company Steam-cooled gas turbine bucker for reduced tip leakage loss
US7736131B1 (en) * 2008-07-21 2010-06-15 Florida Turbine Technologies, Inc. Turbine blade with carbon nanotube shell
US8137072B2 (en) 2008-10-31 2012-03-20 Solar Turbines Inc. Turbine blade including a seal pocket
US8714932B2 (en) * 2008-12-31 2014-05-06 General Electric Company Ceramic matrix composite blade having integral platform structures and methods of fabrication
US8221062B2 (en) * 2009-01-14 2012-07-17 General Electric Company Device and system for reducing secondary air flow in a gas turbine
US8696320B2 (en) * 2009-03-12 2014-04-15 General Electric Company Gas turbine having seal assembly with coverplate and seal
US8348603B2 (en) * 2009-04-02 2013-01-08 General Electric Company Gas turbine inner flowpath coverpiece
US20120045337A1 (en) 2010-08-20 2012-02-23 Michael James Fedor Turbine bucket assembly and methods for assembling same

Also Published As

Publication number Publication date
US20130259700A1 (en) 2013-10-03
JP2013204595A (ja) 2013-10-07
EP2644832B1 (en) 2016-03-23
EP2644832A1 (en) 2013-10-02
CN103362561B (zh) 2016-08-31
RU2013113929A (ru) 2014-10-10
US9151169B2 (en) 2015-10-06
CN103362561A (zh) 2013-10-23

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