EP2236754A3 - Laufschaufel einer Dampfturbine und zugehörige Dampfturbine - Google Patents
Laufschaufel einer Dampfturbine und zugehörige Dampfturbine Download PDFInfo
- Publication number
- EP2236754A3 EP2236754A3 EP10153973.2A EP10153973A EP2236754A3 EP 2236754 A3 EP2236754 A3 EP 2236754A3 EP 10153973 A EP10153973 A EP 10153973A EP 2236754 A3 EP2236754 A3 EP 2236754A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- moving blade
- outer circumferential
- steam turbine
- circumferential side
- turbine
- 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.)
- Withdrawn
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
- F01D5/22—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
- 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
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
-
- 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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/23—Three-dimensional prismatic
- F05D2250/232—Three-dimensional prismatic conical
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009062229A JP2010216321A (ja) | 2009-03-16 | 2009-03-16 | 蒸気タービンの動翼及びそれを用いた蒸気タービン |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2236754A2 EP2236754A2 (de) | 2010-10-06 |
EP2236754A3 true EP2236754A3 (de) | 2014-01-08 |
Family
ID=41849497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10153973.2A Withdrawn EP2236754A3 (de) | 2009-03-16 | 2010-02-18 | Laufschaufel einer Dampfturbine und zugehörige Dampfturbine |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100232966A1 (de) |
EP (1) | EP2236754A3 (de) |
JP (1) | JP2010216321A (de) |
CN (1) | CN101839148A (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011080452A (ja) | 2009-10-09 | 2011-04-21 | Mitsubishi Heavy Ind Ltd | タービン |
DE102009049649A1 (de) * | 2009-10-15 | 2011-04-21 | Abb Turbo Systems Ag | Turbinenrad |
JP5484990B2 (ja) | 2010-03-30 | 2014-05-07 | 三菱重工業株式会社 | タービン |
US8708639B2 (en) * | 2010-10-11 | 2014-04-29 | The Coca-Cola Company | Turbine bucket shroud tail |
US9249687B2 (en) * | 2010-10-27 | 2016-02-02 | General Electric Company | Turbine exhaust diffusion system and method |
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 |
CN102108881B (zh) * | 2011-03-22 | 2013-11-27 | 东方电气集团东方汽轮机有限公司 | 半转速核电汽轮机用的次末级叶片 |
CN102108882B (zh) * | 2011-03-22 | 2013-11-27 | 东方电气集团东方汽轮机有限公司 | 半转速核电汽轮机用的末级叶片 |
US20130243564A1 (en) * | 2012-03-14 | 2013-09-19 | Prakash Bavanjibhai Dalsania | Exhaust diffuser for turbine |
JP5917329B2 (ja) | 2012-08-02 | 2016-05-11 | 株式会社東芝 | 蒸気タービンのシール構造 |
JP6125351B2 (ja) * | 2013-06-27 | 2017-05-10 | 株式会社東芝 | 蒸気タービン |
JP6334258B2 (ja) | 2013-08-28 | 2018-05-30 | 株式会社東芝 | 蒸気タービン |
KR101811223B1 (ko) * | 2013-08-28 | 2017-12-21 | 가부시끼가이샤 도시바 | 증기 터빈 |
JP2015194085A (ja) * | 2014-03-31 | 2015-11-05 | 株式会社東芝 | 蒸気タービン |
CN105401982B (zh) * | 2015-12-14 | 2017-11-07 | 东方电气集团东方汽轮机有限公司 | 半转速核电汽轮机用末级动叶片叶身结构 |
JP2018003812A (ja) * | 2016-07-08 | 2018-01-11 | 三菱日立パワーシステムズ株式会社 | 動翼およびそれを用いたタービン |
CN106050320B (zh) * | 2016-07-13 | 2018-05-22 | 东方电气集团东方汽轮机有限公司 | 1000mw等级空冷汽轮发电机组的给水泵汽轮机的末级动叶片 |
CN108223025A (zh) * | 2016-12-14 | 2018-06-29 | 中国石油天然气集团公司 | 一种烟气轮机过渡衬环及烟气轮机 |
JP7051618B2 (ja) * | 2018-07-02 | 2022-04-11 | 三菱重工業株式会社 | 静翼セグメント、及び蒸気タービン |
JP7048742B2 (ja) * | 2018-07-13 | 2022-04-05 | 三菱重工業株式会社 | フローガイド、蒸気タービン、内側部材及びフローガイドの製造方法 |
JP7254472B2 (ja) * | 2018-09-28 | 2023-04-10 | 三菱重工業株式会社 | 蒸気タービンの排気室、蒸気タービン及び蒸気タービンの換装方法 |
JP7368260B2 (ja) * | 2020-01-31 | 2023-10-24 | 三菱重工業株式会社 | タービン |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS529701A (en) * | 1975-07-11 | 1977-01-25 | Hitachi Ltd | Rotor blade connecting mechanism for axial flow fluid machine |
US4213296A (en) * | 1977-12-21 | 1980-07-22 | United Technologies Corporation | Seal clearance control system for a gas turbine |
EP0356305A1 (de) * | 1988-08-18 | 1990-02-28 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | An einem Turbinengehäuse befestigter Statorring |
JPH08210101A (ja) * | 1995-02-02 | 1996-08-20 | Mitsubishi Heavy Ind Ltd | タービン動翼 |
US6102655A (en) * | 1997-09-19 | 2000-08-15 | Asea Brown Boveri Ag | Shroud band for an axial-flow turbine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4053254A (en) * | 1976-03-26 | 1977-10-11 | United Technologies Corporation | Turbine case cooling system |
FR2361531A1 (fr) * | 1976-08-13 | 1978-03-10 | Europ Turb Vapeur | Turbine a fluide compressible |
FR2452601A1 (fr) * | 1979-03-30 | 1980-10-24 | Snecma | Support amovible de revetement d'etancheite pour carter de soufflante de turboreacteur |
JPS5773805A (en) * | 1980-10-24 | 1982-05-08 | Toshiba Corp | Axial frow hydraulic equipment |
JPH10331604A (ja) * | 1997-05-30 | 1998-12-15 | Toshiba Corp | 蒸気タービンプラント |
US6471480B1 (en) * | 2001-04-16 | 2002-10-29 | United Technologies Corporation | Thin walled cooled hollow tip shroud |
JP2003027901A (ja) * | 2001-07-13 | 2003-01-29 | Mitsubishi Heavy Ind Ltd | 軸流タービン |
JP2003106107A (ja) * | 2001-09-27 | 2003-04-09 | Mitsubishi Heavy Ind Ltd | タービン |
US7547187B2 (en) * | 2005-03-31 | 2009-06-16 | Hitachi, Ltd. | Axial turbine |
JP4869974B2 (ja) * | 2005-03-31 | 2012-02-08 | 株式会社日立製作所 | 軸流タービン |
JP4515404B2 (ja) * | 2005-03-31 | 2010-07-28 | 株式会社日立製作所 | 軸流タービン |
-
2009
- 2009-03-16 JP JP2009062229A patent/JP2010216321A/ja active Pending
-
2010
- 2010-02-11 CN CN201010115612A patent/CN101839148A/zh active Pending
- 2010-02-17 US US12/706,866 patent/US20100232966A1/en not_active Abandoned
- 2010-02-18 EP EP10153973.2A patent/EP2236754A3/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS529701A (en) * | 1975-07-11 | 1977-01-25 | Hitachi Ltd | Rotor blade connecting mechanism for axial flow fluid machine |
US4213296A (en) * | 1977-12-21 | 1980-07-22 | United Technologies Corporation | Seal clearance control system for a gas turbine |
EP0356305A1 (de) * | 1988-08-18 | 1990-02-28 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" | An einem Turbinengehäuse befestigter Statorring |
JPH08210101A (ja) * | 1995-02-02 | 1996-08-20 | Mitsubishi Heavy Ind Ltd | タービン動翼 |
US6102655A (en) * | 1997-09-19 | 2000-08-15 | Asea Brown Boveri Ag | Shroud band for an axial-flow turbine |
Also Published As
Publication number | Publication date |
---|---|
US20100232966A1 (en) | 2010-09-16 |
JP2010216321A (ja) | 2010-09-30 |
CN101839148A (zh) | 2010-09-22 |
EP2236754A2 (de) | 2010-10-06 |
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RIC1 | Information provided on ipc code assigned before grant |
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Effective date: 20131213 |