IN2014MN00923A - - Google Patents

Info

Publication number
IN2014MN00923A
IN2014MN00923A IN923MUN2014A IN2014MN00923A IN 2014MN00923 A IN2014MN00923 A IN 2014MN00923A IN 923MUN2014 A IN923MUN2014 A IN 923MUN2014A IN 2014MN00923 A IN2014MN00923 A IN 2014MN00923A
Authority
IN
India
Prior art keywords
blades
fluid
stepped parts
seal fins
collision surface
Prior art date
Application number
Other languages
English (en)
Inventor
Yoshihiro Kuwamura
Kazuyuki Matsumoto
Hiroharu Oyama
Yoshinori Tanaka
Hidekazu Uehara
Yukinori Machida
Original Assignee
Mitsubishi Hitachi Power Sys
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 Mitsubishi Hitachi Power Sys filed Critical Mitsubishi Hitachi Power Sys
Publication of IN2014MN00923A publication Critical patent/IN2014MN00923A/en

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
    • 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
    • F01D11/02—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
    • F01D11/08—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
IN923MUN2014 2011-12-13 2012-12-12 IN2014MN00923A (fr)

Applications Claiming Priority (2)

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
PCT/JP2012/082206 WO2013089139A1 (fr) 2011-12-13 2012-12-12 Turbine

Publications (1)

Publication Number Publication Date
IN2014MN00923A true IN2014MN00923A (fr) 2015-04-17

Family

ID=48612583

Family Applications (1)

Application Number Title Priority Date Filing Date
IN923MUN2014 IN2014MN00923A (fr) 2011-12-13 2012-12-12

Country Status (7)

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

Families Citing this family (14)

* 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
JP6412960B2 (ja) * 2015-01-27 2018-10-24 三菱日立パワーシステムズ株式会社 回転機械
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

Family Cites Families (24)

* 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
JP2004332616A (ja) * 2003-05-07 2004-11-25 Toshiba Corp 軸流型ターボ機械
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
JP2006291967A (ja) * 2006-05-29 2006-10-26 Toshiba Corp 軸流タービン
JP2008057416A (ja) 2006-08-31 2008-03-13 Hitachi Ltd 軸流タービン
JP2008075510A (ja) * 2006-09-20 2008-04-03 Toshiba Corp 軸シール装置
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
JP5738184B2 (ja) 2009-06-16 2015-06-17 三菱重工業株式会社 軸シール装置
JP2011012631A (ja) * 2009-07-03 2011-01-20 Mitsubishi Heavy Ind Ltd タービン
JP2011080452A (ja) * 2009-10-09 2011-04-21 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

Also Published As

Publication number Publication date
EP2792852A1 (fr) 2014-10-22
EP2792852A4 (fr) 2015-07-22
JP5518032B2 (ja) 2014-06-11
US10006292B2 (en) 2018-06-26
WO2013089139A1 (fr) 2013-06-20
KR101716010B1 (ko) 2017-03-13
US20140314579A1 (en) 2014-10-23
KR20140088572A (ko) 2014-07-10
JP2013124554A (ja) 2013-06-24
CN104024581A (zh) 2014-09-03
CN104024581B (zh) 2016-04-13

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