GB2162587B - Steam turbines - Google Patents

Steam turbines

Info

Publication number
GB2162587B
GB2162587B GB08514081A GB8514081A GB2162587B GB 2162587 B GB2162587 B GB 2162587B GB 08514081 A GB08514081 A GB 08514081A GB 8514081 A GB8514081 A GB 8514081A GB 2162587 B GB2162587 B GB 2162587B
Authority
GB
United Kingdom
Prior art keywords
steam turbines
turbines
steam
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
GB08514081A
Other versions
GB2162587A (en
GB8514081D0 (en
Inventor
Kenneth Elmer Robbins
Stephen Garrison Ruggles
Dan Duncan
John Clifton Williams
Stephen Kin-Keung Tung
William James Sumner
Cuong Van Dinh
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
Priority claimed from US06/635,834 external-priority patent/US4640269A/en
Priority claimed from US06/635,859 external-priority patent/US4643645A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB8514081D0 publication Critical patent/GB8514081D0/en
Publication of GB2162587A publication Critical patent/GB2162587A/en
Application granted granted Critical
Publication of GB2162587B publication Critical patent/GB2162587B/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
    • F01D5/14—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
    • 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
    • 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)
GB08514081A 1984-07-30 1985-06-04 Steam turbines Expired GB2162587B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/635,834 US4640269A (en) 1984-07-30 1984-07-30 Back brace having strap with widened middle portion for pad
US06/635,859 US4643645A (en) 1984-07-30 1984-07-30 Stage for a steam turbine

Publications (3)

Publication Number Publication Date
GB8514081D0 GB8514081D0 (en) 1985-07-10
GB2162587A GB2162587A (en) 1986-02-05
GB2162587B true GB2162587B (en) 1988-05-05

Family

ID=27092463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08514081A Expired GB2162587B (en) 1984-07-30 1985-06-04 Steam turbines

Country Status (1)

Country Link
GB (1) GB2162587B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5098257A (en) * 1990-09-10 1992-03-24 Westinghouse Electric Corp. Apparatus and method for minimizing differential thermal expansion of gas turbine vane structures
GB9210421D0 (en) * 1992-05-15 1992-07-01 Gec Alsthom Ltd Turbine blade assembly
JP2000045704A (en) 1998-07-31 2000-02-15 Toshiba Corp Steam turbine
GB0503185D0 (en) 2005-02-16 2005-03-23 Rolls Royce Plc A turbine blade
JP2009531593A (en) * 2006-03-31 2009-09-03 アルストム テクノロジー リミテッド Guide blades for fluid machinery, especially steam turbines
CN106368741A (en) * 2016-11-09 2017-02-01 哈尔滨工业大学 Blade with small wing rib blade tip and turbine utilizing blade

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3413628C2 (en) * 1983-04-25 1996-09-19 Gen Electric Gap seal for a steam turbine

Also Published As

Publication number Publication date
GB2162587A (en) 1986-02-05
GB8514081D0 (en) 1985-07-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030604