GB2407346B - Improvements in or relating to axial flow turbines - Google Patents

Improvements in or relating to axial flow turbines

Info

Publication number
GB2407346B
GB2407346B GB0418733A GB0418733A GB2407346B GB 2407346 B GB2407346 B GB 2407346B GB 0418733 A GB0418733 A GB 0418733A GB 0418733 A GB0418733 A GB 0418733A GB 2407346 B GB2407346 B GB 2407346B
Authority
GB
United Kingdom
Prior art keywords
relating
axial flow
flow turbines
turbines
axial
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 - Fee Related
Application number
GB0418733A
Other versions
GB0418733D0 (en
GB2407346A (en
Inventor
Timothy Stephen Rice
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 Technology GmbH
Original Assignee
Alstom Technology AG
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 Alstom Technology AG filed Critical Alstom Technology AG
Publication of GB0418733D0 publication Critical patent/GB0418733D0/en
Publication of GB2407346A publication Critical patent/GB2407346A/en
Application granted granted Critical
Publication of GB2407346B publication Critical patent/GB2407346B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • 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
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB0418733A 2003-10-24 2004-08-20 Improvements in or relating to axial flow turbines Expired - Fee Related GB2407346B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0324843.2A GB0324843D0 (en) 2003-10-24 2003-10-24 Improvements in or relating to axial flow turbines

Publications (3)

Publication Number Publication Date
GB0418733D0 GB0418733D0 (en) 2004-09-22
GB2407346A GB2407346A (en) 2005-04-27
GB2407346B true GB2407346B (en) 2006-01-25

Family

ID=29595759

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0324843.2A Ceased GB0324843D0 (en) 2003-10-24 2003-10-24 Improvements in or relating to axial flow turbines
GB0418733A Expired - Fee Related GB2407346B (en) 2003-10-24 2004-08-20 Improvements in or relating to axial flow turbines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0324843.2A Ceased GB0324843D0 (en) 2003-10-24 2003-10-24 Improvements in or relating to axial flow turbines

Country Status (1)

Country Link
GB (2) GB0324843D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8936247B2 (en) 2010-05-18 2015-01-20 General Electric Company Seal assembly including plateau and concave portion in mating surface for seal tooth in turbine
US11346282B2 (en) 2019-01-18 2022-05-31 Raytheon Technologies Corporation Gas turbine engine component for acoustic attenuation
FR3099786B1 (en) * 2019-08-07 2021-07-30 Safran Helicopter Engines MOBILE DAWN FOR ONE WHEEL OF A TURBOMACHINE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256031A (en) * 1991-10-17 1993-10-26 Asea Brown Boveri Ltd. Device and method for reducing one or more resonant vibrations of rotor blades in turbomachines
US6379110B1 (en) * 1999-02-25 2002-04-30 United Technologies Corporation Passively driven acoustic jet controlling boundary layers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256031A (en) * 1991-10-17 1993-10-26 Asea Brown Boveri Ltd. Device and method for reducing one or more resonant vibrations of rotor blades in turbomachines
US6379110B1 (en) * 1999-02-25 2002-04-30 United Technologies Corporation Passively driven acoustic jet controlling boundary layers

Also Published As

Publication number Publication date
GB0418733D0 (en) 2004-09-22
GB2407346A (en) 2005-04-27
GB0324843D0 (en) 2003-11-26

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Legal Events

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

Effective date: 20120820