JP6712873B2 - シール構造及びターボ機械 - Google Patents

シール構造及びターボ機械 Download PDF

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Publication number
JP6712873B2
JP6712873B2 JP2016038047A JP2016038047A JP6712873B2 JP 6712873 B2 JP6712873 B2 JP 6712873B2 JP 2016038047 A JP2016038047 A JP 2016038047A JP 2016038047 A JP2016038047 A JP 2016038047A JP 6712873 B2 JP6712873 B2 JP 6712873B2
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JP
Japan
Prior art keywords
recess
seal
stationary
side recess
rotating
Prior art date
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Active
Application number
JP2016038047A
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English (en)
Japanese (ja)
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JP2017155625A5 (enExample
JP2017155625A (ja
Inventor
松本　和幸
和幸 松本
健一 藤川
健一 藤川
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
Mitsubishi Hitachi Power Systems 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
Priority to JP2016038047A priority Critical patent/JP6712873B2/ja
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Priority to DE112017001043.8T priority patent/DE112017001043T5/de
Priority to PCT/JP2017/007028 priority patent/WO2017150365A1/ja
Priority to US16/079,242 priority patent/US10669876B2/en
Priority to KR1020187024427A priority patent/KR102110066B1/ko
Priority to CN201780013860.0A priority patent/CN108699915B/zh
Publication of JP2017155625A publication Critical patent/JP2017155625A/ja
Publication of JP2017155625A5 publication Critical patent/JP2017155625A5/ja
Application granted granted Critical
Publication of JP6712873B2 publication Critical patent/JP6712873B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • 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
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • 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
    • F05D2240/11—Shroud seal segments
    • 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
    • F05D2240/55—Seals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
JP2016038047A 2016-02-29 2016-02-29 シール構造及びターボ機械 Active JP6712873B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2016038047A JP6712873B2 (ja) 2016-02-29 2016-02-29 シール構造及びターボ機械
PCT/JP2017/007028 WO2017150365A1 (ja) 2016-02-29 2017-02-24 シール構造及びターボ機械
US16/079,242 US10669876B2 (en) 2016-02-29 2017-02-24 Seal structure and turbomachine
KR1020187024427A KR102110066B1 (ko) 2016-02-29 2017-02-24 시일 구조 및 터보 기계
DE112017001043.8T DE112017001043T5 (de) 2016-02-29 2017-02-24 Dichtstruktur und Strömungsmaschine
CN201780013860.0A CN108699915B (zh) 2016-02-29 2017-02-24 密封构造及涡轮机械

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016038047A JP6712873B2 (ja) 2016-02-29 2016-02-29 シール構造及びターボ機械

Publications (3)

Publication Number Publication Date
JP2017155625A JP2017155625A (ja) 2017-09-07
JP2017155625A5 JP2017155625A5 (enExample) 2019-04-04
JP6712873B2 true JP6712873B2 (ja) 2020-06-24

Family

ID=59742959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016038047A Active JP6712873B2 (ja) 2016-02-29 2016-02-29 シール構造及びターボ機械

Country Status (6)

Country Link
US (1) US10669876B2 (enExample)
JP (1) JP6712873B2 (enExample)
KR (1) KR102110066B1 (enExample)
CN (1) CN108699915B (enExample)
DE (1) DE112017001043T5 (enExample)
WO (1) WO2017150365A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6623138B2 (ja) * 2016-10-13 2019-12-18 株式会社神戸製鋼所 ラビリンスシール
JP6986426B2 (ja) * 2017-11-29 2021-12-22 三菱重工業株式会社 タービン
JP6684842B2 (ja) 2018-03-29 2020-04-22 三菱重工業株式会社 タービン動翼及び回転機械
JP7349248B2 (ja) * 2019-03-08 2023-09-22 三菱重工業株式会社 回転機械、及びシールリング

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632598A (en) * 1995-01-17 1997-05-27 Dresser-Rand Shrouded axial flow turbo machine utilizing multiple labrinth seals
JP2006104952A (ja) 2004-09-30 2006-04-20 Toshiba Corp 流体機械の旋回流防止装置
JP5484990B2 (ja) 2010-03-30 2014-05-07 三菱重工業株式会社 タービン
US8434766B2 (en) * 2010-08-18 2013-05-07 General Electric Company Turbine engine seals
JP5709447B2 (ja) * 2010-09-28 2015-04-30 三菱日立パワーシステムズ株式会社 タービン
JP2012102831A (ja) 2010-11-12 2012-05-31 Hitachi Ltd ラビリンスシール装置、およびそれを用いたターボ機械
JP5518022B2 (ja) * 2011-09-20 2014-06-11 三菱重工業株式会社 タービン
JP2013076341A (ja) 2011-09-30 2013-04-25 Mitsubishi Heavy Ind Ltd 蒸気タービンのシール構造
JP5518032B2 (ja) * 2011-12-13 2014-06-11 三菱重工業株式会社 タービン、及びシール構造
WO2014010052A1 (ja) * 2012-07-11 2014-01-16 株式会社日立製作所 軸流流体機械
US10066750B2 (en) 2012-11-13 2018-09-04 Mitsubishi Heavy Industries Compressor Corporation Rotary machine
EP2933438A4 (en) * 2012-12-13 2016-12-21 Mitsubishi Hitachi Power Sys ROTATING FLOW MACHINE
CN105074134B (zh) * 2013-04-03 2017-06-20 三菱重工业株式会社 旋转机械
JP6131177B2 (ja) 2013-12-03 2017-05-17 三菱重工業株式会社 シール構造、及び回転機械
JP6344735B2 (ja) * 2014-01-30 2018-06-20 三菱重工業株式会社 シール構造、及び回転機械
US8939707B1 (en) * 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone terraced ridges

Also Published As

Publication number Publication date
US10669876B2 (en) 2020-06-02
CN108699915A (zh) 2018-10-23
US20190048735A1 (en) 2019-02-14
KR20180107176A (ko) 2018-10-01
WO2017150365A1 (ja) 2017-09-08
KR102110066B1 (ko) 2020-05-12
DE112017001043T5 (de) 2018-12-20
CN108699915B (zh) 2021-01-15
JP2017155625A (ja) 2017-09-07

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