FR2568307B1 - Etage perfectionne pour turbine a vapeur - Google Patents
Etage perfectionne pour turbine a vapeurInfo
- Publication number
- FR2568307B1 FR2568307B1 FR8510291A FR8510291A FR2568307B1 FR 2568307 B1 FR2568307 B1 FR 2568307B1 FR 8510291 A FR8510291 A FR 8510291A FR 8510291 A FR8510291 A FR 8510291A FR 2568307 B1 FR2568307 B1 FR 2568307B1
- Authority
- FR
- France
- Prior art keywords
- steam turbine
- improved stage
- stage
- improved
- 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.)
- Expired
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
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
- F01D11/08—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
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
- F05D2240/81—Cooled platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/635,859 US4643645A (en) | 1984-07-30 | 1984-07-30 | Stage for a steam turbine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2568307A1 FR2568307A1 (fr) | 1986-01-31 |
FR2568307B1 true FR2568307B1 (fr) | 1987-01-09 |
Family
ID=24549413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8510291A Expired FR2568307B1 (fr) | 1984-07-30 | 1985-07-05 | Etage perfectionne pour turbine a vapeur |
Country Status (8)
Country | Link |
---|---|
US (1) | US4643645A (fr) |
JP (1) | JPS6138103A (fr) |
KR (1) | KR890001726B1 (fr) |
CH (1) | CH668454A5 (fr) |
DE (1) | DE3519372A1 (fr) |
FR (1) | FR2568307B1 (fr) |
IT (1) | IT1200655B (fr) |
MX (1) | MX162968B (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4776764A (en) * | 1987-04-02 | 1988-10-11 | Ortolano Ralph J | Structure for an axial flow elastic fluid utilizing machine |
US5267834A (en) * | 1992-12-30 | 1993-12-07 | General Electric Company | Bucket for the last stage of a steam turbine |
JPH1113402A (ja) * | 1997-06-23 | 1999-01-19 | Mitsubishi Heavy Ind Ltd | ガスタービン冷却翼チップシュラウド |
JP2000045704A (ja) | 1998-07-31 | 2000-02-15 | Toshiba Corp | 蒸気タービン |
US6158104A (en) * | 1999-08-11 | 2000-12-12 | General Electric Co. | Assembly jig for use with integrally covered bucket blades |
JP2001055902A (ja) | 1999-08-18 | 2001-02-27 | Toshiba Corp | タービン動翼 |
US6846160B2 (en) * | 2001-10-12 | 2005-01-25 | Hitachi, Ltd. | Turbine bucket |
DE50304325D1 (de) * | 2002-04-16 | 2006-09-07 | Alstom Technology Ltd | Laufschaufel für eine Turbomaschine |
US7059821B2 (en) * | 2003-05-07 | 2006-06-13 | General Electric Company | Method and apparatus to facilitate sealing within turbines |
US7267319B2 (en) * | 2004-11-09 | 2007-09-11 | General Electric Company | Low-friction slide-plates for rotary machines |
JP2007138864A (ja) * | 2005-11-21 | 2007-06-07 | Toshiba Corp | 蒸気タービン段落および蒸気タービン |
US20070237627A1 (en) * | 2006-03-31 | 2007-10-11 | Bunker Ronald S | Offset blade tip chord sealing system and method for rotary machines |
US8602729B2 (en) * | 2007-07-27 | 2013-12-10 | Ansaldo Energia S.P.A. | Steam turbine stage |
US8469656B1 (en) | 2008-01-15 | 2013-06-25 | Siemens Energy, Inc. | Airfoil seal system for gas turbine engine |
US20090214345A1 (en) * | 2008-02-26 | 2009-08-27 | General Electric Company | Low pressure section steam turbine bucket |
US20120027573A1 (en) * | 2010-08-02 | 2012-02-02 | General Electric Company | Seal teeth for seal assembly |
US9249687B2 (en) * | 2010-10-27 | 2016-02-02 | General Electric Company | Turbine exhaust diffusion system and method |
JP5518032B2 (ja) | 2011-12-13 | 2014-06-11 | 三菱重工業株式会社 | タービン、及びシール構造 |
US10465531B2 (en) | 2013-02-21 | 2019-11-05 | General Electric Company | Turbine blade tip shroud and mid-span snubber with compound contact angle |
JP6396093B2 (ja) * | 2014-06-26 | 2018-09-26 | 三菱重工業株式会社 | タービン動翼列、タービン段落及び軸流タービン |
US20180179952A1 (en) * | 2016-12-23 | 2018-06-28 | General Electric Company | Rotating detonation engine and method of operating same |
US10502073B2 (en) | 2017-03-09 | 2019-12-10 | General Electric Company | Blades and damper sleeves for a rotor assembly |
CN110173311B (zh) * | 2019-07-04 | 2024-01-26 | 西拓能源集团有限公司 | 发电厂汽轮机节能*** |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US764451A (en) * | 1903-12-19 | 1904-07-05 | Gen Electric | Bucket construction for turbines. |
FR380767A (fr) * | 1906-08-16 | 1907-12-17 | Sebastian Ziani De Ferranti | Perfectionnements aux turbines à fluide élastique |
DE560687C (de) * | 1930-08-28 | 1932-10-06 | Escher Wyss Maschf Ag | Schaufelung fuer Dampf- und Gasturbinen |
DE866793C (de) * | 1940-05-16 | 1953-02-12 | Siemens Ag | Gleichdruckbeschaufelung fuer Turbinen fuer ueberkritische Stroemung |
US2314289A (en) * | 1941-05-24 | 1943-03-16 | Gen Electric | Elastic fluid turbine |
FR1006122A (fr) * | 1947-11-19 | 1952-04-21 | Cem Comp Electro Mec | Aubage fixe de turbines à vapeur ou à gaz |
US2935246A (en) * | 1949-06-02 | 1960-05-03 | Onera (Off Nat Aerospatiale) | Shock wave compressors, especially for use in connection with continuous flow engines for aircraft |
US2974927A (en) * | 1955-09-27 | 1961-03-14 | Elmer G Johnson | Supersonic fluid machine |
US2974858A (en) * | 1955-12-29 | 1961-03-14 | Thompson Ramo Wooldridge Inc | High pressure ratio axial flow supersonic compressor |
GB861728A (en) * | 1958-09-29 | 1961-02-22 | Parsons & Marine Eng Turbine | Improvements in and relating to elastic fluid turbines |
BE634692A (fr) * | 1962-07-11 | 1963-11-18 | ||
US3302925A (en) * | 1966-01-17 | 1967-02-07 | Gen Electric | Diagonal cover piece for turbine bucket |
FR1492590A (fr) * | 1966-09-13 | 1967-08-18 | Caterpillar Tractor Co | Perfectionnements aux moteurs à turbine à gaz |
US3575523A (en) * | 1968-12-05 | 1971-04-20 | Us Navy | Labyrinth seal for axial flow fluid machines |
US3527544A (en) * | 1968-12-12 | 1970-09-08 | Gen Motors Corp | Cooled blade shroud |
US3565548A (en) * | 1969-01-24 | 1971-02-23 | Gen Electric | Transonic buckets for axial flow turbines |
GB1287223A (en) * | 1970-02-02 | 1972-08-31 | Ass Elect Ind | Improvements in or relating to turbine blading |
US3719432A (en) * | 1971-04-23 | 1973-03-06 | Gen Electric | Articulated sleeve for turbine bucket lashing |
US3778190A (en) * | 1971-10-01 | 1973-12-11 | Gen Electric | Bucket cover attachment |
GB1509185A (en) * | 1975-08-04 | 1978-05-04 | Reyrolle Parsons Ltd | Fluid driven turbo machines |
US4012165A (en) * | 1975-12-08 | 1977-03-15 | United Technologies Corporation | Fan structure |
JPS55123301A (en) * | 1979-03-16 | 1980-09-22 | Hitachi Ltd | Turbine blade |
JPS56906A (en) * | 1979-06-15 | 1981-01-08 | Mitsubishi Heavy Ind Ltd | Pulverized-coal burner |
FR2523642A1 (fr) * | 1982-03-19 | 1983-09-23 | Alsthom Atlantique | Aubage directeur pour veines divergentes de turbine a vapeur |
-
1984
- 1984-07-30 US US06/635,859 patent/US4643645A/en not_active Expired - Lifetime
-
1985
- 1985-05-28 MX MX205416A patent/MX162968B/es unknown
- 1985-05-30 DE DE19853519372 patent/DE3519372A1/de active Granted
- 1985-06-05 CH CH2386/85A patent/CH668454A5/de not_active IP Right Cessation
- 1985-06-12 KR KR1019850004119A patent/KR890001726B1/ko not_active IP Right Cessation
- 1985-06-14 JP JP12975485A patent/JPS6138103A/ja active Granted
- 1985-06-27 IT IT21318/85A patent/IT1200655B/it active
- 1985-07-05 FR FR8510291A patent/FR2568307B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH668454A5 (de) | 1988-12-30 |
JPH0319882B2 (fr) | 1991-03-18 |
IT1200655B (it) | 1989-01-27 |
MX162968B (es) | 1991-07-22 |
DE3519372A1 (de) | 1986-02-06 |
US4643645A (en) | 1987-02-17 |
KR860001275A (ko) | 1986-02-24 |
JPS6138103A (ja) | 1986-02-24 |
KR890001726B1 (ko) | 1989-05-19 |
FR2568307A1 (fr) | 1986-01-31 |
IT8521318A0 (it) | 1985-06-27 |
DE3519372C2 (fr) | 1992-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |