KR101716010B1 - 터빈 - Google Patents

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Publication number
KR101716010B1
KR101716010B1 KR1020147013458A KR20147013458A KR101716010B1 KR 101716010 B1 KR101716010 B1 KR 101716010B1 KR 1020147013458 A KR1020147013458 A KR 1020147013458A KR 20147013458 A KR20147013458 A KR 20147013458A KR 101716010 B1 KR101716010 B1 KR 101716010B1
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KR
South Korea
Prior art keywords
blade
radial direction
seal pin
wall surface
cavity
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.)
Expired - Fee Related
Application number
KR1020147013458A
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English (en)
Korean (ko)
Other versions
KR20140088572A (ko
Inventor
요시히로 구와무라
가즈유키 마츠모토
히로하루 오야마
요시노리 다나카
히데카즈 우에하라
유키노리 마치다
Original Assignee
미츠비시 히타치 파워 시스템즈 가부시키가이샤
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Publication date
Application filed by 미츠비시 히타치 파워 시스템즈 가부시키가이샤 filed Critical 미츠비시 히타치 파워 시스템즈 가부시키가이샤
Publication of KR20140088572A publication Critical patent/KR20140088572A/ko
Application granted granted Critical
Publication of KR101716010B1 publication Critical patent/KR101716010B1/ko
Expired - Fee Related legal-status Critical Current
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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
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • 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
    • F01D11/08—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
KR1020147013458A 2011-12-13 2012-12-12 터빈 Expired - Fee Related KR101716010B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011272355A JP5518032B2 (ja) 2011-12-13 2011-12-13 タービン、及びシール構造
JPJP-P-2011-272355 2011-12-13
PCT/JP2012/082206 WO2013089139A1 (ja) 2011-12-13 2012-12-12 タービン

Publications (2)

Publication Number Publication Date
KR20140088572A KR20140088572A (ko) 2014-07-10
KR101716010B1 true KR101716010B1 (ko) 2017-03-13

Family

ID=48612583

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020147013458A Expired - Fee Related KR101716010B1 (ko) 2011-12-13 2012-12-12 터빈

Country Status (7)

Country Link
US (1) US10006292B2 (enExample)
EP (1) EP2792852A4 (enExample)
JP (1) JP5518032B2 (enExample)
KR (1) KR101716010B1 (enExample)
CN (1) CN104024581B (enExample)
IN (1) IN2014MN00923A (enExample)
WO (1) WO2013089139A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201309580D0 (en) * 2013-05-29 2013-07-10 Siemens Ag Rotor tip clearance
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
JP2016089768A (ja) * 2014-11-07 2016-05-23 三菱日立パワーシステムズ株式会社 シール装置及びターボ機械
DE112015006063B4 (de) * 2015-01-27 2023-01-19 Mitsubishi Heavy Industries, Ltd. Rotationsmaschine
JP6712873B2 (ja) * 2016-02-29 2020-06-24 三菱日立パワーシステムズ株式会社 シール構造及びターボ機械
JP6638938B2 (ja) * 2016-03-25 2020-02-05 三菱日立パワーシステムズ株式会社 回転機械
CN107191258B (zh) * 2017-04-12 2019-05-10 西北工业大学 一种紧凑式宽弦高压头小流量电机用轴流冷却风扇
FR3071540B1 (fr) * 2017-09-26 2019-10-04 Safran Aircraft Engines Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef
JP6930896B2 (ja) * 2017-10-31 2021-09-01 三菱重工業株式会社 タービン及び動翼
US10598038B2 (en) 2017-11-21 2020-03-24 Honeywell International Inc. Labyrinth seal with variable tooth heights
US10760442B2 (en) * 2018-01-12 2020-09-01 Raytheon Technologies Corporation Non-contact seal with angled land
JP7267022B2 (ja) * 2019-01-31 2023-05-01 三菱重工業株式会社 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
US11555410B2 (en) * 2020-02-17 2023-01-17 Pratt & Whitney Canada Corp. Labyrinth seal with variable seal clearance
CN115929416B (zh) * 2022-12-22 2025-05-30 国能龙源蓝天节能技术有限公司 一种叶顶汽封结构
US12385408B1 (en) * 2024-01-26 2025-08-12 Rtx Corporation Life and performance improvement trenches

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004332616A (ja) * 2003-05-07 2004-11-25 Toshiba Corp 軸流型ターボ機械
JP2006291967A (ja) * 2006-05-29 2006-10-26 Toshiba Corp 軸流タービン
JP2008075510A (ja) * 2006-09-20 2008-04-03 Toshiba Corp 軸シール装置
JP2011080452A (ja) * 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4643645A (en) 1984-07-30 1987-02-17 General Electric Company Stage for a steam turbine
US4813850A (en) 1988-04-06 1989-03-21 Westinghouse Electric Corp. Integral side entry control stage blade group
JPH0230903A (ja) * 1988-07-20 1990-02-01 Hitachi Ltd 蒸気タービン
JPH11200810A (ja) * 1998-01-09 1999-07-27 Mitsubishi Heavy Ind Ltd ラビリンスシール機構
JP2002228014A (ja) * 2001-02-05 2002-08-14 Mitsubishi Heavy Ind Ltd ラビリンスシール
JP2002285802A (ja) * 2001-03-26 2002-10-03 Toshiba Corp 回転機械のラビリンスシール装置
US6547522B2 (en) 2001-06-18 2003-04-15 General Electric Company Spring-backed abradable seal for turbomachinery
US7287956B2 (en) * 2004-12-22 2007-10-30 General Electric Company Removable abradable seal carriers for sealing between rotary and stationary turbine components
US7645117B2 (en) * 2006-05-05 2010-01-12 General Electric Company Rotary machines and methods of assembling
JP2008057416A (ja) * 2006-08-31 2008-03-13 Hitachi Ltd 軸流タービン
JP5228311B2 (ja) * 2006-11-08 2013-07-03 株式会社Ｉｈｉ 圧縮機静翼
JP4668976B2 (ja) * 2007-12-04 2011-04-13 株式会社日立製作所 蒸気タービンのシール構造
JP5101317B2 (ja) 2008-01-25 2012-12-19 三菱重工業株式会社 シール構造
US20110309585A1 (en) 2009-06-16 2011-12-22 Hidekazu Uehara Shaft seal device
JP2011012631A (ja) * 2009-07-03 2011-01-20 Mitsubishi Heavy Ind Ltd タービン
JP5484990B2 (ja) * 2010-03-30 2014-05-07 三菱重工業株式会社 タービン
JP5574825B2 (ja) * 2010-05-26 2014-08-20 三菱重工業株式会社 シール構造、これを備えたタービン機械およびこれを備えた発電プラント
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
JP5985351B2 (ja) * 2012-10-25 2016-09-06 三菱日立パワーシステムズ株式会社 軸流タービン
JP2016089768A (ja) * 2014-11-07 2016-05-23 三菱日立パワーシステムズ株式会社 シール装置及びターボ機械

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004332616A (ja) * 2003-05-07 2004-11-25 Toshiba Corp 軸流型ターボ機械
JP2006291967A (ja) * 2006-05-29 2006-10-26 Toshiba Corp 軸流タービン
JP2008075510A (ja) * 2006-09-20 2008-04-03 Toshiba Corp 軸シール装置
JP2011080452A (ja) * 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン

Also Published As

Publication number Publication date
KR20140088572A (ko) 2014-07-10
WO2013089139A1 (ja) 2013-06-20
EP2792852A4 (en) 2015-07-22
JP5518032B2 (ja) 2014-06-11
US20140314579A1 (en) 2014-10-23
CN104024581B (zh) 2016-04-13
CN104024581A (zh) 2014-09-03
IN2014MN00923A (enExample) 2015-04-17
JP2013124554A (ja) 2013-06-24
US10006292B2 (en) 2018-06-26
EP2792852A1 (en) 2014-10-22

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