KR102110066B1 - 시일 구조 및 터보 기계 - Google Patents

시일 구조 및 터보 기계 Download PDF

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Publication number
KR102110066B1
KR102110066B1 KR1020187024427A KR20187024427A KR102110066B1 KR 102110066 B1 KR102110066 B1 KR 102110066B1 KR 1020187024427 A KR1020187024427 A KR 1020187024427A KR 20187024427 A KR20187024427 A KR 20187024427A KR 102110066 B1 KR102110066 B1 KR 102110066B1
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KR
South Korea
Prior art keywords
stop
seal
recess
concave portion
rotating
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KR1020187024427A
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English (en)
Korean (ko)
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KR20180107176A (ko
Inventor
가즈유키 마츠모토
겐이치 후지카와
Original Assignee
미츠비시 히타치 파워 시스템즈 가부시키가이샤
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Publication of KR20180107176A publication Critical patent/KR20180107176A/ko
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    • 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
    • F01D11/02—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
    • F01D11/001—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
    • F01D11/08—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

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  • 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)
KR1020187024427A 2016-02-29 2017-02-24 시일 구조 및 터보 기계 Active KR102110066B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2016-038047 2016-02-29
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

Publications (2)

Publication Number Publication Date
KR20180107176A KR20180107176A (ko) 2018-10-01
KR102110066B1 true KR102110066B1 (ko) 2020-05-12

Family

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Application Number Title Priority Date Filing Date
KR1020187024427A Active KR102110066B1 (ko) 2016-02-29 2017-02-24 시일 구조 및 터보 기계

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013124554A (ja) * 2011-12-13 2013-06-24 Mitsubishi Heavy Ind Ltd タービン
JP2015140916A (ja) * 2014-01-30 2015-08-03 三菱重工業株式会社 シール構造、及び回転機械

Family Cites Families (14)

* 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
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
US8939707B1 (en) * 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone terraced ridges

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013124554A (ja) * 2011-12-13 2013-06-24 Mitsubishi Heavy Ind Ltd タービン
JP2015140916A (ja) * 2014-01-30 2015-08-03 三菱重工業株式会社 シール構造、及び回転機械

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
DE112017001043T5 (de) 2018-12-20
CN108699915B (zh) 2021-01-15
JP6712873B2 (ja) 2020-06-24
JP2017155625A (ja) 2017-09-07

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