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GB2298245B - A turbine-blade arrangement comprising a cooled shroud band - Google Patents

A turbine-blade arrangement comprising a cooled shroud band

Info

Publication number
GB2298245B
GB2298245B GB9503574A GB9503574A GB2298245B GB 2298245 B GB2298245 B GB 2298245B GB 9503574 A GB9503574 A GB 9503574A GB 9503574 A GB9503574 A GB 9503574A GB 2298245 B GB2298245 B GB 2298245B
Authority
GB
United Kingdom
Prior art keywords
turbine
blade arrangement
shroud band
cooled shroud
cooled
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
GB9503574A
Other versions
GB9503574D0 (en
GB2298245A (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 GB9503574A priority Critical patent/GB2298245B/en
Publication of GB9503574D0 publication Critical patent/GB9503574D0/en
Priority to DE1996101819 priority patent/DE19601819A1/en
Publication of GB2298245A publication Critical patent/GB2298245A/en
Application granted granted Critical
Publication of GB2298245B publication Critical patent/GB2298245B/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
    • 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
    • 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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on 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
    • 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
    • F05D2260/20—Heat transfer, e.g. cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB9503574A 1995-02-23 1995-02-23 A turbine-blade arrangement comprising a cooled shroud band Expired - Fee Related GB2298245B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9503574A GB2298245B (en) 1995-02-23 1995-02-23 A turbine-blade arrangement comprising a cooled shroud band
DE1996101819 DE19601819A1 (en) 1995-02-23 1996-01-19 Turbine blade arrangement with a cooled shroud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9503574A GB2298245B (en) 1995-02-23 1995-02-23 A turbine-blade arrangement comprising a cooled shroud band

Publications (3)

Publication Number Publication Date
GB9503574D0 GB9503574D0 (en) 1995-04-12
GB2298245A GB2298245A (en) 1996-08-28
GB2298245B true GB2298245B (en) 1998-10-28

Family

ID=10770085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9503574A Expired - Fee Related GB2298245B (en) 1995-02-23 1995-02-23 A turbine-blade arrangement comprising a cooled shroud band

Country Status (2)

Country Link
DE (1) DE19601819A1 (en)
GB (1) GB2298245B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19856199A1 (en) * 1998-12-05 2000-06-08 Abb Alstom Power Ch Ag Cooling in gas turbines
GB9915648D0 (en) 1999-07-06 1999-09-01 Rolls Royce Plc Improvement in or relating to turbine blades
DE19963377A1 (en) * 1999-12-28 2001-07-12 Abb Alstom Power Ch Ag Turbine blade with actively cooled cover band element
DE10064265A1 (en) 2000-12-22 2002-07-04 Alstom Switzerland Ltd Device and method for cooling a platform of a turbine blade
US6932571B2 (en) * 2003-02-05 2005-08-23 United Technologies Corporation Microcircuit cooling for a turbine blade tip
GB2434842A (en) * 2006-02-02 2007-08-08 Rolls Royce Plc Cooling arrangement for a turbine blade shroud
DE102008011746A1 (en) 2008-02-28 2009-09-03 Mtu Aero Engines Gmbh Device and method for diverting a leakage current
US10184342B2 (en) * 2016-04-14 2019-01-22 General Electric Company System for cooling seal rails of tip shroud of turbine blade
DE102019216635A1 (en) * 2019-10-29 2020-09-17 MTU Aero Engines AG ROTATING BLADE FOR A FLOW MACHINE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2110767A (en) * 1981-11-27 1983-06-22 Rolls Royce A shrouded rotor for a gas turbine engine
WO1994011616A1 (en) * 1992-11-19 1994-05-26 Bmw Rolls-Royce Gmbh Cooling of the shroud of a turbine blade

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH429768A (en) * 1965-12-07 1967-02-15 Bbc Brown Boveri & Cie Blade connection for rotors in turbomachinery with axial flow

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2110767A (en) * 1981-11-27 1983-06-22 Rolls Royce A shrouded rotor for a gas turbine engine
WO1994011616A1 (en) * 1992-11-19 1994-05-26 Bmw Rolls-Royce Gmbh Cooling of the shroud of a turbine blade

Also Published As

Publication number Publication date
GB9503574D0 (en) 1995-04-12
GB2298245A (en) 1996-08-28
DE19601819A1 (en) 1996-08-29

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Legal Events

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

Effective date: 20100223