IT1200655B - Perfezionato stadio di turbina a vapore - Google Patents

Perfezionato stadio di turbina a vapore

Info

Publication number
IT1200655B
IT1200655B IT21318/85A IT2131885A IT1200655B IT 1200655 B IT1200655 B IT 1200655B IT 21318/85 A IT21318/85 A IT 21318/85A IT 2131885 A IT2131885 A IT 2131885A IT 1200655 B IT1200655 B IT 1200655B
Authority
IT
Italy
Prior art keywords
steam turbine
turbine stage
improved steam
improved
stage
Prior art date
Application number
IT21318/85A
Other languages
English (en)
Other versions
IT8521318A0 (it
Inventor
Kenneth Elmer Robbins
Stephen Garrison Ruggles
Dan Duncan
John Clifton Williams
Tung Stephen Kin-Keung
William James Sumner
Dinh Coung Van
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8521318A0 publication Critical patent/IT8521318A0/it
Application granted granted Critical
Publication of IT1200655B publication Critical patent/IT1200655B/it

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)
IT21318/85A 1984-07-30 1985-06-27 Perfezionato stadio di turbina a vapore IT1200655B (it)

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
IT8521318A0 IT8521318A0 (it) 1985-06-27
IT1200655B true IT1200655B (it) 1989-01-27

Family

ID=24549413

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21318/85A IT1200655B (it) 1984-07-30 1985-06-27 Perfezionato stadio di turbina a vapore

Country Status (8)

Country Link
US (1) US4643645A (it)
JP (1) JPS6138103A (it)
KR (1) KR890001726B1 (it)
CH (1) CH668454A5 (it)
DE (1) DE3519372A1 (it)
FR (1) FR2568307B1 (it)
IT (1) IT1200655B (it)
MX (1) MX162968B (it)

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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
EP1355043B1 (de) * 2002-04-16 2006-07-26 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
KR20100054804A (ko) * 2007-07-27 2010-05-25 안살도 에너지아 에스.피.에이 증기 터빈 스테이지
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 发电厂汽轮机节能系统

Family Cites Families (24)

* Cited by examiner, † Cited by third party
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
NL295111A (it) * 1962-07-11
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

Also Published As

Publication number Publication date
JPH0319882B2 (it) 1991-03-18
JPS6138103A (ja) 1986-02-24
CH668454A5 (de) 1988-12-30
IT8521318A0 (it) 1985-06-27
US4643645A (en) 1987-02-17
DE3519372A1 (de) 1986-02-06
FR2568307B1 (fr) 1987-01-09
KR890001726B1 (ko) 1989-05-19
MX162968B (es) 1991-07-22
KR860001275A (ko) 1986-02-24
FR2568307A1 (fr) 1986-01-31
DE3519372C2 (it) 1992-04-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970626