GB2138892B - Ribbed cover piece for steam turbine rotor bucket assembly - Google Patents

Ribbed cover piece for steam turbine rotor bucket assembly

Info

Publication number
GB2138892B
GB2138892B GB08410399A GB8410399A GB2138892B GB 2138892 B GB2138892 B GB 2138892B GB 08410399 A GB08410399 A GB 08410399A GB 8410399 A GB8410399 A GB 8410399A GB 2138892 B GB2138892 B GB 2138892B
Authority
GB
United Kingdom
Prior art keywords
steam turbine
turbine rotor
cover piece
bucket assembly
rotor bucket
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
Application number
GB08410399A
Other versions
GB8410399D0 (en
GB2138892A (en
Inventor
Kenneth Elmer Robbins
William James Sumner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB8410399D0 publication Critical patent/GB8410399D0/en
Publication of GB2138892A publication Critical patent/GB2138892A/en
Application granted granted Critical
Publication of GB2138892B publication Critical patent/GB2138892B/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • F05D2250/10—Two-dimensional
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/181—Two-dimensional patterned ridged
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Centrifugal Separators (AREA)
GB08410399A 1983-04-25 1984-04-24 Ribbed cover piece for steam turbine rotor bucket assembly Expired GB2138892B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48815883A 1983-04-25 1983-04-25

Publications (3)

Publication Number Publication Date
GB8410399D0 GB8410399D0 (en) 1984-05-31
GB2138892A GB2138892A (en) 1984-10-31
GB2138892B true GB2138892B (en) 1987-12-09

Family

ID=23938544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08410399A Expired GB2138892B (en) 1983-04-25 1984-04-24 Ribbed cover piece for steam turbine rotor bucket assembly

Country Status (6)

Country Link
JP (1) JPH068601B2 (en)
CH (1) CH666325A5 (en)
DE (1) DE3413628C2 (en)
FR (1) FR2544792B1 (en)
GB (1) GB2138892B (en)
IT (1) IT1176082B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162587B (en) * 1984-07-30 1988-05-05 Gen Electric Steam turbines
CH699598A1 (en) * 2008-09-29 2010-03-31 Alstom Technology Ltd Blade row for the final stage of a steam turbine.
DE102008060706A1 (en) 2008-12-05 2010-06-10 Man Turbo Ag Nozzle segment for a steam turbine

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE509266C (en) * 1930-10-07 Aeg Device for dewatering steam turbine stages
GB1050027A (en) *
DE422950C (en) * 1923-12-22 1925-12-16 Erste Bruenner Maschinen Fab Gap formation for axial steam or gas turbines
GB235171A (en) * 1924-06-05 1926-01-14 Jan Kieswetter Improvements in or relating to packing means in steam, gas or other turbines
US2314289A (en) * 1941-05-24 1943-03-16 Gen Electric Elastic fluid turbine
GB557490A (en) * 1941-05-24 1943-11-23 British Thomson Houston Co Ltd Improvements in and relating to elastic fluid turbines
GB861728A (en) * 1958-09-29 1961-02-22 Parsons & Marine Eng Turbine Improvements in and relating to elastic fluid turbines
GB933618A (en) * 1961-05-27 1963-08-08 Rolls Royce A sealing device
DE1933132U (en) * 1964-09-03 1966-02-24 Licentia Gmbh DEVICE FOR WATER SEPARATION IN STEAM TURBINES.
US3302925A (en) * 1966-01-17 1967-02-07 Gen Electric Diagonal cover piece for turbine bucket
GB1195012A (en) * 1966-06-21 1970-06-17 Rolls Royce Rotor for Bladed Fluid Flow Machines.
GB1186240A (en) * 1967-12-22 1970-04-02 Rolls Royce Improvements in Blades for Fluid Flow Machines.
US3575523A (en) * 1968-12-05 1971-04-20 Us Navy Labyrinth seal for axial flow fluid machines
US3778190A (en) * 1971-10-01 1973-12-11 Gen Electric Bucket cover attachment
DD106439A1 (en) * 1973-09-05 1974-06-12
GB1509185A (en) * 1975-08-04 1978-05-04 Reyrolle Parsons Ltd Fluid driven turbo machines
GB1560974A (en) * 1977-03-26 1980-02-13 Rolls Royce Sealing system for rotors
DE2829514C2 (en) * 1977-07-14 1986-03-27 RI-EL Ricerche Elettroniche S.p.A., Cologno Monzese, Mailand Push button coordinator
JPS5641801A (en) * 1979-09-07 1981-04-18 Tatatomi Nishida Continuously generating apparatus for water gas with electric current arc
US4390320A (en) * 1980-05-01 1983-06-28 General Electric Company Tip cap for a rotor blade and method of replacement
JPS5812602U (en) * 1981-07-16 1983-01-26 株式会社東芝 turbine moving blade

Also Published As

Publication number Publication date
IT8420591A0 (en) 1984-04-18
GB8410399D0 (en) 1984-05-31
GB2138892A (en) 1984-10-31
JPH068601B2 (en) 1994-02-02
FR2544792B1 (en) 1989-04-21
IT1176082B (en) 1987-08-12
CH666325A5 (en) 1988-07-15
JPS601303A (en) 1985-01-07
IT8420591A1 (en) 1985-10-18
DE3413628C2 (en) 1996-09-19
FR2544792A1 (en) 1984-10-26
DE3413628A1 (en) 1984-10-25

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20040423