GB2356022B - Gas turbine engines - Google Patents

Gas turbine engines

Info

Publication number
GB2356022B
GB2356022B GB9925976A GB9925976A GB2356022B GB 2356022 B GB2356022 B GB 2356022B GB 9925976 A GB9925976 A GB 9925976A GB 9925976 A GB9925976 A GB 9925976A GB 2356022 B GB2356022 B GB 2356022B
Authority
GB
United Kingdom
Prior art keywords
gas turbine
turbine engines
engines
gas
turbine
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 - Lifetime
Application number
GB9925976A
Other versions
GB2356022A (en
GB9925976D0 (en
Inventor
Nicholas Simon And Cristinacce
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 PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB9925976A priority Critical patent/GB2356022B/en
Publication of GB9925976D0 publication Critical patent/GB9925976D0/en
Publication of GB2356022A publication Critical patent/GB2356022A/en
Application granted granted Critical
Publication of GB2356022B publication Critical patent/GB2356022B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/80—Couplings or connections
    • F02K1/805—Sealing devices therefor, e.g. for movable parts of jet pipes or nozzle flaps
    • 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
    • F01D11/005—Sealing means between non relatively rotating elements
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • 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
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2212—Improvement of heat transfer by creating turbulence

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB9925976A 1999-11-02 1999-11-02 Gas turbine engines Expired - Lifetime GB2356022B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9925976A GB2356022B (en) 1999-11-02 1999-11-02 Gas turbine engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9925976A GB2356022B (en) 1999-11-02 1999-11-02 Gas turbine engines

Publications (3)

Publication Number Publication Date
GB9925976D0 GB9925976D0 (en) 1999-12-29
GB2356022A GB2356022A (en) 2001-05-09
GB2356022B true GB2356022B (en) 2003-12-10

Family

ID=10863845

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9925976A Expired - Lifetime GB2356022B (en) 1999-11-02 1999-11-02 Gas turbine engines

Country Status (1)

Country Link
GB (1) GB2356022B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050067788A1 (en) * 2003-09-25 2005-03-31 Siemens Westinghouse Power Corporation Outer air seal assembly
DE102004037356B4 (en) † 2004-07-30 2017-11-23 Ansaldo Energia Ip Uk Limited Wall structure for limiting a hot gas path
GB2494137B (en) * 2011-08-31 2016-02-17 Rolls Royce Plc A rotor casing liner comprising multiple sections
US10180082B2 (en) * 2014-06-05 2019-01-15 Rolls-Royce Corporation Fan case
US11156117B2 (en) 2016-04-25 2021-10-26 Raytheon Technologies Corporation Seal arc segment with sloped circumferential sides
DE102018222827A1 (en) * 2018-12-21 2020-06-25 MTU Aero Engines AG Static sealing arrangement and fluid machine
US11384654B2 (en) 2019-11-18 2022-07-12 Raytheon Technologies Corporation Mateface for blade outer air seals in a gas turbine engine
US11098612B2 (en) 2019-11-18 2021-08-24 Raytheon Technologies Corporation Blade outer air seal including cooling trench

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2240822A (en) * 1990-01-16 1991-08-14 Gen Electric Improved arrangement for sealing gaps between segments of, e.g. turbine nozzles and shrouds
US5374161A (en) * 1993-12-13 1994-12-20 United Technologies Corporation Blade outer air seal cooling enhanced with inter-segment film slot

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2240822A (en) * 1990-01-16 1991-08-14 Gen Electric Improved arrangement for sealing gaps between segments of, e.g. turbine nozzles and shrouds
US5374161A (en) * 1993-12-13 1994-12-20 United Technologies Corporation Blade outer air seal cooling enhanced with inter-segment film slot

Also Published As

Publication number Publication date
GB2356022A (en) 2001-05-09
GB9925976D0 (en) 1999-12-29

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Legal Events

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

Expiry date: 20191101