JP6785041B2 - シール構造及びタービン - Google Patents

シール構造及びタービン Download PDF

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Publication number
JP6785041B2
JP6785041B2 JP2015241452A JP2015241452A JP6785041B2 JP 6785041 B2 JP6785041 B2 JP 6785041B2 JP 2015241452 A JP2015241452 A JP 2015241452A JP 2015241452 A JP2015241452 A JP 2015241452A JP 6785041 B2 JP6785041 B2 JP 6785041B2
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JP
Japan
Prior art keywords
seal
upstream side
radial direction
fins
downstream side
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
JP2015241452A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017106395A (ja
JP2017106395A5 (enExample
Inventor
祥弘 桑村
祥弘 桑村
英治 小西
英治 小西
豊治 西川
豊治 西川
西本　慎
西本　　慎
上原　秀和
秀和 上原
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 Power 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 JP2015241452A priority Critical patent/JP6785041B2/ja
Application filed by Mitsubishi Power Ltd filed Critical Mitsubishi Power Ltd
Priority to PCT/JP2016/084819 priority patent/WO2017098932A1/ja
Priority to KR1020187015664A priority patent/KR102031510B1/ko
Priority to US15/781,814 priority patent/US10975711B2/en
Priority to CN201680071378.8A priority patent/CN108368745B/zh
Priority to DE112016005689.3T priority patent/DE112016005689T5/de
Publication of JP2017106395A publication Critical patent/JP2017106395A/ja
Publication of JP2017106395A5 publication Critical patent/JP2017106395A5/ja
Application granted granted Critical
Publication of JP6785041B2 publication Critical patent/JP6785041B2/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
    • 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
    • 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
    • F01D11/02—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
    • 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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/20—Packing materials therefor
    • F16J15/22—Packing materials therefor shaped as strands, ropes, threads, ribbons, or the like
    • 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
    • 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
    • F16J15/4472—Labyrinth packings with axial path
    • 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
    • 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
    • F05D2220/31—Application in turbines in steam turbines
    • 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
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/23—Three-dimensional prismatic
    • F05D2250/232—Three-dimensional prismatic conical
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/312—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being parallel to each other
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/32—Arrangement of components according to their shape
    • F05D2250/324—Arrangement of components according to their shape divergent

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)
  • Sealing Devices (AREA)
JP2015241452A 2015-12-10 2015-12-10 シール構造及びタービン Active JP6785041B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2015241452A JP6785041B2 (ja) 2015-12-10 2015-12-10 シール構造及びタービン
KR1020187015664A KR102031510B1 (ko) 2015-12-10 2016-11-24 시일 구조 및 터빈
US15/781,814 US10975711B2 (en) 2015-12-10 2016-11-24 Seal structure and turbine
CN201680071378.8A CN108368745B (zh) 2015-12-10 2016-11-24 密封结构及涡轮
PCT/JP2016/084819 WO2017098932A1 (ja) 2015-12-10 2016-11-24 シール構造及びタービン
DE112016005689.3T DE112016005689T5 (de) 2015-12-10 2016-11-24 Dichtungsstruktur und Turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015241452A JP6785041B2 (ja) 2015-12-10 2015-12-10 シール構造及びタービン

Publications (3)

Publication Number Publication Date
JP2017106395A JP2017106395A (ja) 2017-06-15
JP2017106395A5 JP2017106395A5 (enExample) 2019-01-31
JP6785041B2 true JP6785041B2 (ja) 2020-11-18

Family

ID=59014114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015241452A Active JP6785041B2 (ja) 2015-12-10 2015-12-10 シール構造及びタービン

Country Status (6)

Country Link
US (1) US10975711B2 (enExample)
JP (1) JP6785041B2 (enExample)
KR (1) KR102031510B1 (enExample)
CN (1) CN108368745B (enExample)
DE (1) DE112016005689T5 (enExample)
WO (1) WO2017098932A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860325B1 (ko) * 2002-07-02 2008-09-26 주식회사 포스코 출선구 개공기의 센터조정장치
JP6530918B2 (ja) * 2015-01-22 2019-06-12 三菱日立パワーシステムズ株式会社 タービン
JP6227572B2 (ja) * 2015-01-27 2017-11-08 三菱日立パワーシステムズ株式会社 タービン
DE102018210513A1 (de) 2018-06-27 2020-01-02 MTU Aero Engines AG Rotor für eine Strömungsmaschine und Strömungsmaschine mit einem solchen Rotor
KR102485641B1 (ko) * 2018-07-13 2023-01-06 미츠비시 파워 가부시키가이샤 플로 가이드, 증기 터빈, 내측 부재 및 플로 가이드의 제조 방법
FR3084398B1 (fr) * 2018-07-24 2021-04-16 Safran Aircraft Engines Aube de turbine
CN110296204B (zh) * 2019-07-26 2024-09-17 株洲齿轮有限责任公司 轴密封结构及一体化驱动系统
JP6808872B1 (ja) * 2020-04-28 2021-01-06 三菱パワー株式会社 シール装置及び回転機械
JP7515010B2 (ja) 2021-03-30 2024-07-11 三菱重工業株式会社 シールリングの製造方法、タービンの組立方法及びタービン

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2409247A (en) * 2003-12-20 2005-06-22 Rolls Royce Plc A seal arrangement
JP2009047043A (ja) 2007-08-17 2009-03-05 Mitsubishi Heavy Ind Ltd 軸流タービン
US20110156359A1 (en) 2009-12-31 2011-06-30 General Electric Company Turbine engine seals
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
JP5517910B2 (ja) * 2010-12-22 2014-06-11 三菱重工業株式会社 タービン、及びシール構造
GB2492546A (en) * 2011-07-04 2013-01-09 Alstom Technology Ltd A labyrinth seal for an axial fluid flow turbomachine
EP2642081A1 (en) 2012-03-21 2013-09-25 Alstom Technology Ltd Labyrinth seal for turbines
JP5916458B2 (ja) 2012-03-23 2016-05-11 三菱日立パワーシステムズ株式会社 タービン
JP6296649B2 (ja) 2014-03-04 2018-03-20 三菱日立パワーシステムズ株式会社 シール構造、及び回転機械
JP6490498B2 (ja) * 2015-06-03 2019-03-27 三菱日立パワーシステムズ株式会社 シール装置および回転機械

Also Published As

Publication number Publication date
KR102031510B1 (ko) 2019-10-11
US20180371927A1 (en) 2018-12-27
KR20180075665A (ko) 2018-07-04
JP2017106395A (ja) 2017-06-15
DE112016005689T5 (de) 2018-08-30
CN108368745B (zh) 2020-06-30
WO2017098932A1 (ja) 2017-06-15
US10975711B2 (en) 2021-04-13
CN108368745A (zh) 2018-08-03

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