GB2298246B - A turbine-blade arrangement comprising a shroud band - Google Patents

A turbine-blade arrangement comprising a shroud band

Info

Publication number
GB2298246B
GB2298246B GB9503575A GB9503575A GB2298246B GB 2298246 B GB2298246 B GB 2298246B GB 9503575 A GB9503575 A GB 9503575A GB 9503575 A GB9503575 A GB 9503575A GB 2298246 B GB2298246 B GB 2298246B
Authority
GB
United Kingdom
Prior art keywords
turbine
blade arrangement
shroud band
shroud
band
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
GB9503575A
Other versions
GB9503575D0 (en
GB2298246A (en
Inventor
Neil Milner Evans
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.)
Rolls Royce Deutschland Ltd and Co KG
Original Assignee
BMW Rolls Royce GmbH
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 BMW Rolls Royce GmbH filed Critical BMW Rolls Royce GmbH
Priority to GB9503575A priority Critical patent/GB2298246B/en
Publication of GB9503575D0 publication Critical patent/GB9503575D0/en
Priority to DE19601818A priority patent/DE19601818C2/en
Publication of GB2298246A publication Critical patent/GB2298246A/en
Application granted granted Critical
Publication of GB2298246B publication Critical patent/GB2298246B/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
    • 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
    • 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
    • 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)
GB9503575A 1995-02-23 1995-02-23 A turbine-blade arrangement comprising a shroud band Expired - Fee Related GB2298246B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9503575A GB2298246B (en) 1995-02-23 1995-02-23 A turbine-blade arrangement comprising a shroud band
DE19601818A DE19601818C2 (en) 1995-02-23 1996-01-19 Turbine blade arrangement with a shroud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9503575A GB2298246B (en) 1995-02-23 1995-02-23 A turbine-blade arrangement comprising a shroud band

Publications (3)

Publication Number Publication Date
GB9503575D0 GB9503575D0 (en) 1995-04-12
GB2298246A GB2298246A (en) 1996-08-28
GB2298246B true GB2298246B (en) 1998-10-28

Family

ID=10770086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9503575A Expired - Fee Related GB2298246B (en) 1995-02-23 1995-02-23 A turbine-blade arrangement comprising a shroud band

Country Status (2)

Country Link
DE (1) DE19601818C2 (en)
GB (1) GB2298246B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140023497A1 (en) * 2012-07-19 2014-01-23 General Electric Company Cooled turbine blade tip shroud with film/purge holes

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5733102A (en) * 1996-12-17 1998-03-31 General Electric Company Slot cooled blade tip
EP1013884B1 (en) * 1998-12-24 2005-07-27 ALSTOM Technology Ltd Turbine blade with actively cooled head platform
DE19904229A1 (en) * 1999-02-03 2000-08-10 Asea Brown Boveri Cooled turbine blade has shroud formed by sealing rib with integrated cooling channels connected to coolant channel in blade
EP1041247B1 (en) * 1999-04-01 2012-08-01 General Electric Company Gas turbine airfoil comprising an open cooling circuit
DE10336863A1 (en) * 2002-09-17 2004-03-25 Alstom (Switzerland) Ltd. Thermal turbo-machine e.g. gas turbine, has at least two adjacent turbine vanes, and continuous cover band that extends in rear part of vane to smallest cross-section region of maximum plus/minus 3 per cent of chord length
US6887033B1 (en) * 2003-11-10 2005-05-03 General Electric Company Cooling system for nozzle segment platform edges
GB2413160B (en) * 2004-04-17 2006-08-09 Rolls Royce Plc Turbine rotor blades
GB0524735D0 (en) * 2005-12-03 2006-01-11 Rolls Royce Plc Turbine blade
GB2434842A (en) * 2006-02-02 2007-08-08 Rolls Royce Plc Cooling arrangement for a turbine blade shroud
US20090097979A1 (en) * 2007-07-31 2009-04-16 Omer Duane Erdmann Rotor blade
DE102007037855A1 (en) * 2007-08-10 2009-02-12 Rolls-Royce Deutschland Ltd & Co Kg Vane cover tape with blocking jet generation
CH699593A1 (en) * 2008-09-25 2010-03-31 Alstom Technology Ltd Blade for a gas turbine.
CH700686A1 (en) * 2009-03-30 2010-09-30 Alstom Technology Ltd Blade for a gas turbine.
EP2385215A1 (en) * 2010-05-05 2011-11-09 Alstom Technology Ltd Light weight shroud fin for a rotor blade
CH706107A1 (en) 2012-02-17 2013-08-30 Alstom Technology Ltd Component of a thermal machine, in particular a gas turbine.
CN107849927A (en) 2015-07-31 2018-03-27 通用电气公司 Cooling arrangement in turbo blade
US10202852B2 (en) * 2015-11-16 2019-02-12 General Electric Company Rotor blade with tip shroud cooling passages and method of making same
JP6188777B2 (en) * 2015-12-24 2017-08-30 三菱日立パワーシステムズ株式会社 Sealing device
US10502069B2 (en) * 2017-06-07 2019-12-10 General Electric Company Turbomachine rotor blade

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB855058A (en) * 1957-02-22 1960-11-30 Rolls Royce Improvements in or relating to bladed rotor or stator constructions for axial-flow fluid machines for example for compressors or turbines of gas-turbine engines
GB895615A (en) * 1960-02-05 1962-05-02 Rolls Royce A method and apparatus for forming non-circular holes
GB1437617A (en) * 1972-09-01 1976-06-03 Gen Electric Gas turbine
GB2075129A (en) * 1980-05-01 1981-11-11 Gen Electric Tip cap for a rotor blade and method of replacement
GB2228540A (en) * 1988-12-07 1990-08-29 Rolls Royce Plc Cooling of turbine blades
WO1994011616A1 (en) * 1992-11-19 1994-05-26 Bmw Rolls-Royce Gmbh Cooling of the shroud of a turbine blade

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB855058A (en) * 1957-02-22 1960-11-30 Rolls Royce Improvements in or relating to bladed rotor or stator constructions for axial-flow fluid machines for example for compressors or turbines of gas-turbine engines
GB895615A (en) * 1960-02-05 1962-05-02 Rolls Royce A method and apparatus for forming non-circular holes
GB1437617A (en) * 1972-09-01 1976-06-03 Gen Electric Gas turbine
GB2075129A (en) * 1980-05-01 1981-11-11 Gen Electric Tip cap for a rotor blade and method of replacement
GB2228540A (en) * 1988-12-07 1990-08-29 Rolls Royce Plc Cooling of turbine blades
WO1994011616A1 (en) * 1992-11-19 1994-05-26 Bmw Rolls-Royce Gmbh Cooling of the shroud of a turbine blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140023497A1 (en) * 2012-07-19 2014-01-23 General Electric Company Cooled turbine blade tip shroud with film/purge holes

Also Published As

Publication number Publication date
DE19601818C2 (en) 2003-06-18
GB9503575D0 (en) 1995-04-12
DE19601818A1 (en) 1996-08-29
GB2298246A (en) 1996-08-28

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Legal Events

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

Effective date: 20100223