CN103939149A - 燃气轮机 - Google Patents

燃气轮机 Download PDF

Info

Publication number
CN103939149A
CN103939149A CN201310524927.0A CN201310524927A CN103939149A CN 103939149 A CN103939149 A CN 103939149A CN 201310524927 A CN201310524927 A CN 201310524927A CN 103939149 A CN103939149 A CN 103939149A
Authority
CN
China
Prior art keywords
gas turbine
end wall
abrasive coating
diameter surface
stator blade
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.)
Pending
Application number
CN201310524927.0A
Other languages
English (en)
Chinese (zh)
Inventor
前川隼人
七泷健治
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.)
Mitsubishi Power Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of CN103939149A publication Critical patent/CN103939149A/zh
Pending 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • 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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/321—Application in turbines in gas turbines for a special turbine stage
    • F05D2220/3212—Application in turbines in gas turbines for a special turbine stage the first stage of a turbine
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/61—Syntactic materials, i.e. hollow spheres embedded in a matrix

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
CN201310524927.0A 2013-01-23 2013-10-30 燃气轮机 Pending CN103939149A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-010031 2013-01-23
JP2013010031A JP6078353B2 (ja) 2013-01-23 2013-01-23 ガスタービン

Publications (1)

Publication Number Publication Date
CN103939149A true CN103939149A (zh) 2014-07-23

Family

ID=49554157

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310524927.0A Pending CN103939149A (zh) 2013-01-23 2013-10-30 燃气轮机

Country Status (4)

Country Link
US (1) US9617867B2 (enExample)
EP (1) EP2759677A1 (enExample)
JP (1) JP6078353B2 (enExample)
CN (1) CN103939149A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150040567A1 (en) * 2013-08-08 2015-02-12 General Electric Company Systems and Methods for Reducing or Limiting One or More Flows Between a Hot Gas Path and a Wheel Space of a Turbine
EP2886801B1 (en) * 2013-12-20 2019-04-24 Ansaldo Energia IP UK Limited Seal system for a gas turbine and corresponding gas turbine
JP6601677B2 (ja) 2016-02-16 2019-11-06 三菱日立パワーシステムズ株式会社 シール装置及び回転機械
JP7122274B2 (ja) * 2019-02-27 2022-08-19 三菱重工業株式会社 軸流タービン
US11415016B2 (en) 2019-11-11 2022-08-16 Rolls-Royce Plc Turbine section assembly with ceramic matrix composite components and interstage sealing features
US11591921B1 (en) 2021-11-05 2023-02-28 Rolls-Royce Plc Ceramic matrix composite vane assembly

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189891B1 (en) * 1997-03-12 2001-02-20 Mitsubishi Heavy Industries, Ltd. Gas turbine seal apparatus
CN1932249A (zh) * 2005-09-16 2007-03-21 通用电气公司 用于涡轮机叶片的寄生翼密封和选择定子、转子及翼密封型面的方法
US20070273104A1 (en) * 2006-05-26 2007-11-29 Siemens Power Generation, Inc. Abradable labyrinth tooth seal
CN101131101A (zh) * 2006-08-22 2008-02-27 通用电气公司 天使翅膀形耐磨的密封件和密封方法
US20090238683A1 (en) * 2008-03-24 2009-09-24 United Technologies Corporation Vane with integral inner air seal
JP2010151267A (ja) * 2008-12-26 2010-07-08 Hitachi Ltd シール構造、およびこれを用いたガスタービン
CN103216277A (zh) * 2012-01-24 2013-07-24 通用电气公司 可翻新的级间成角密封件

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588607A (en) * 1984-11-28 1986-05-13 United Technologies Corporation Method of applying continuously graded metallic-ceramic layer on metallic substrates
JPH06159099A (ja) * 1992-11-25 1994-06-07 Toshiba Corp 軸流流体機械
US5429478A (en) * 1994-03-31 1995-07-04 United Technologies Corporation Airfoil having a seal and an integral heat shield
US5522698A (en) * 1994-04-29 1996-06-04 United Technologies Corporation Brush seal support and vane assembly windage cover
DE10353810A1 (de) * 2003-11-17 2005-06-23 Rolls-Royce Deutschland Ltd & Co Kg Innendeckband für die Statorschaufeln des Verdichters einer Gasturbine
US20080044284A1 (en) * 2006-08-16 2008-02-21 United Technologies Corporation Segmented fluid seal assembly
US7708520B2 (en) * 2006-11-29 2010-05-04 United Technologies Corporation Gas turbine engine with concave pocket with knife edge seal
JP4856257B2 (ja) * 2010-03-24 2012-01-18 川崎重工業株式会社 タービンロータのシール構造
US8979481B2 (en) * 2011-10-26 2015-03-17 General Electric Company Turbine bucket angel wing features for forward cavity flow control and related method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189891B1 (en) * 1997-03-12 2001-02-20 Mitsubishi Heavy Industries, Ltd. Gas turbine seal apparatus
CN1932249A (zh) * 2005-09-16 2007-03-21 通用电气公司 用于涡轮机叶片的寄生翼密封和选择定子、转子及翼密封型面的方法
US20070273104A1 (en) * 2006-05-26 2007-11-29 Siemens Power Generation, Inc. Abradable labyrinth tooth seal
CN101131101A (zh) * 2006-08-22 2008-02-27 通用电气公司 天使翅膀形耐磨的密封件和密封方法
US20090238683A1 (en) * 2008-03-24 2009-09-24 United Technologies Corporation Vane with integral inner air seal
JP2010151267A (ja) * 2008-12-26 2010-07-08 Hitachi Ltd シール構造、およびこれを用いたガスタービン
CN103216277A (zh) * 2012-01-24 2013-07-24 通用电气公司 可翻新的级间成角密封件

Also Published As

Publication number Publication date
US20140205445A1 (en) 2014-07-24
JP2014141910A (ja) 2014-08-07
JP6078353B2 (ja) 2017-02-08
US9617867B2 (en) 2017-04-11
EP2759677A1 (en) 2014-07-30

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: MITSUBISHI HITACHI POWER SYSTEM LTD.

Free format text: FORMER OWNER: HITACHI,LTD.

Effective date: 20141030

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20141030

Address after: Kanagawa

Applicant after: Mitsubishi Hitachi Power System Ltd.

Address before: Tokyo, Japan, Japan

Applicant before: Hitachi Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140723