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
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
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)
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 (15)
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 |
US10738892B2 (en) | 2015-01-27 | 2020-08-11 | Mitsubishi Hitachi Power Systems, Ltd. | Rotary machine with seal device |
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 |
CN115929416A (zh) * | 2022-12-22 | 2023-04-07 | 国能龙源蓝天节能技术有限公司 | 一种叶顶汽封结构 |
Family Cites Families (24)
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 |
CN102362109B (zh) | 2009-06-16 | 2016-01-20 | 三菱重工业株式会社 | 轴封装置 |
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 |
-
2011
- 2011-12-13 JP JP2011272355A patent/JP5518032B2/ja active Active
-
2012
- 2012-12-12 US US14/358,453 patent/US10006292B2/en not_active Expired - Fee Related
- 2012-12-12 EP EP12857899.4A patent/EP2792852A4/fr not_active Withdrawn
- 2012-12-12 WO PCT/JP2012/082206 patent/WO2013089139A1/fr active Application Filing
- 2012-12-12 IN IN923MUN2014 patent/IN2014MN00923A/en unknown
- 2012-12-12 KR KR1020147013458A patent/KR101716010B1/ko active IP Right Grant
- 2012-12-12 CN CN201280057231.5A patent/CN104024581B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN104024581A (zh) | 2014-09-03 |
US20140314579A1 (en) | 2014-10-23 |
KR101716010B1 (ko) | 2017-03-13 |
CN104024581B (zh) | 2016-04-13 |
EP2792852A1 (fr) | 2014-10-22 |
JP5518032B2 (ja) | 2014-06-11 |
US10006292B2 (en) | 2018-06-26 |
EP2792852A4 (fr) | 2015-07-22 |
KR20140088572A (ko) | 2014-07-10 |
WO2013089139A1 (fr) | 2013-06-20 |
JP2013124554A (ja) | 2013-06-24 |
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