DE69719579D1 - Rotorschaufelspitzenabdichtung einer Turbomaschine - Google Patents

Rotorschaufelspitzenabdichtung einer Turbomaschine

Info

Publication number
DE69719579D1
DE69719579D1 DE69719579T DE69719579T DE69719579D1 DE 69719579 D1 DE69719579 D1 DE 69719579D1 DE 69719579 T DE69719579 T DE 69719579T DE 69719579 T DE69719579 T DE 69719579T DE 69719579 D1 DE69719579 D1 DE 69719579D1
Authority
DE
Germany
Prior art keywords
turbomachine
rotor blade
blade tip
tip seal
seal
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
DE69719579T
Other languages
English (en)
Other versions
DE69719579T2 (de
Inventor
Terence R Pellow
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
Publication of DE69719579D1 publication Critical patent/DE69719579D1/de
Application granted granted Critical
Publication of DE69719579T2 publication Critical patent/DE69719579T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
    • 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
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • 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)
DE69719579T 1996-02-13 1997-01-20 Rotorschaufelspitzenabdichtung einer Turbomaschine Expired - Lifetime DE69719579T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9602842A GB2310255B (en) 1996-02-13 1996-02-13 A turbomachine

Publications (2)

Publication Number Publication Date
DE69719579D1 true DE69719579D1 (de) 2003-04-17
DE69719579T2 DE69719579T2 (de) 2003-12-11

Family

ID=10788556

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719579T Expired - Lifetime DE69719579T2 (de) 1996-02-13 1997-01-20 Rotorschaufelspitzenabdichtung einer Turbomaschine

Country Status (4)

Country Link
US (1) US5772400A (de)
EP (1) EP0790390B1 (de)
DE (1) DE69719579T2 (de)
GB (1) GB2310255B (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839592A1 (de) * 1998-08-31 2000-03-02 Asea Brown Boveri Strömungsmaschine mit gekühlter Rotorwelle
US6120242A (en) * 1998-11-13 2000-09-19 General Electric Company Blade containing turbine shroud
US6393825B1 (en) * 2000-01-25 2002-05-28 General Electric Company System for pressure modulation of turbine sidewall cavities
US6691519B2 (en) 2000-02-18 2004-02-17 Siemens Westinghouse Power Corporation Adaptable modular gas turbine power plant
US6341938B1 (en) * 2000-03-10 2002-01-29 General Electric Company Methods and apparatus for minimizing thermal gradients within turbine shrouds
GB2395756B (en) * 2002-11-27 2006-02-08 Rolls Royce Plc Cooled turbine assembly
US6892931B2 (en) * 2002-12-27 2005-05-17 General Electric Company Methods for replacing portions of turbine shroud supports
US7094029B2 (en) * 2003-05-06 2006-08-22 General Electric Company Methods and apparatus for controlling gas turbine engine rotor tip clearances
US20050109016A1 (en) * 2003-11-21 2005-05-26 Richard Ullyott Turbine tip clearance control system
DE102005013796A1 (de) * 2005-03-24 2006-09-28 Alstom Technology Ltd. Wärmestausegment
DE102005013797A1 (de) * 2005-03-24 2006-09-28 Alstom Technology Ltd. Wärmestausegment
US20070249823A1 (en) * 2006-04-20 2007-10-25 Chemagis Ltd. Process for preparing gemcitabine and associated intermediates
US20080025838A1 (en) * 2006-07-25 2008-01-31 Siemens Power Generation, Inc. Ring seal for a turbine engine
FR2907841B1 (fr) * 2006-10-30 2011-04-15 Snecma Secteur d'anneau de turbine de turbomachine
US7665962B1 (en) 2007-01-26 2010-02-23 Florida Turbine Technologies, Inc. Segmented ring for an industrial gas turbine
US7597533B1 (en) 2007-01-26 2009-10-06 Florida Turbine Technologies, Inc. BOAS with multi-metering diffusion cooling
FR2913051B1 (fr) * 2007-02-28 2011-06-10 Snecma Etage de turbine dans une turbomachine
US8038388B2 (en) 2007-03-05 2011-10-18 United Technologies Corporation Abradable component for a gas turbine engine
US8616827B2 (en) * 2008-02-20 2013-12-31 Rolls-Royce Corporation Turbine blade tip clearance system
US8256228B2 (en) * 2008-04-29 2012-09-04 Rolls Royce Corporation Turbine blade tip clearance apparatus and method
FR2931872B1 (fr) * 2008-05-28 2010-08-20 Snecma Turbine haute pression d'une turbomachine avec montage ameliore du boitier de pilotage des jeux radiaux d'aubes mobiles.
US8296037B2 (en) 2008-06-20 2012-10-23 General Electric Company Method, system, and apparatus for reducing a turbine clearance
US8668459B2 (en) * 2010-05-28 2014-03-11 Hamilton Sundstrand Corporation Turbine blade walking prevention
US20110293407A1 (en) * 2010-06-01 2011-12-01 Wagner Joel H Seal and airfoil tip clearance control
US8944756B2 (en) 2011-07-15 2015-02-03 United Technologies Corporation Blade outer air seal assembly
US9080458B2 (en) 2011-08-23 2015-07-14 United Technologies Corporation Blade outer air seal with multi impingement plate assembly
EP2574732A2 (de) * 2011-09-29 2013-04-03 Hitachi Ltd. Gasturbine
WO2014130159A1 (en) 2013-02-23 2014-08-28 Ottow Nathan W Blade clearance control for gas turbine engine
US9453429B2 (en) * 2013-03-11 2016-09-27 General Electric Company Flow sleeve for thermal control of a double-wall turbine shell and related method
US10100737B2 (en) * 2013-05-16 2018-10-16 Siemens Energy, Inc. Impingement cooling arrangement having a snap-in plate
EP2826962B1 (de) * 2013-07-15 2016-06-22 MTU Aero Engines GmbH Strömungsmaschine mit Dichtsegmenten und Leitschaufelsegmenten
US20160047549A1 (en) * 2014-08-15 2016-02-18 Rolls-Royce Corporation Ceramic matrix composite components with inserts
US9784116B2 (en) * 2015-01-15 2017-10-10 General Electric Company Turbine shroud assembly
US10443451B2 (en) 2016-07-18 2019-10-15 Pratt & Whitney Canada Corp. Shroud housing supported by vane segments
US10739002B2 (en) 2016-12-19 2020-08-11 General Electric Company Fluidic nozzle assembly for a turbine engine
US10612466B2 (en) * 2017-09-11 2020-04-07 United Technologies Corporation Gas turbine engine active clearance control system using inlet particle separator
KR102051988B1 (ko) * 2018-03-28 2019-12-04 두산중공업 주식회사 이중관 라이너 내부 유동가이드를 포함하는 가스 터빈 엔진의 연소기, 및 이를 포함하는 가스터빈
US11047258B2 (en) 2018-10-18 2021-06-29 Rolls-Royce Plc Turbine assembly with ceramic matrix composite vane components and cooling features
US11015475B2 (en) 2018-12-27 2021-05-25 Rolls-Royce Corporation Passive blade tip clearance control system for gas turbine engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1548541A (de) * 1967-10-24 1968-12-06
FR2280791A1 (fr) * 1974-07-31 1976-02-27 Snecma Perfectionnements au reglage du jeu entre les aubes et le stator d'une turbine
US4117669A (en) * 1977-03-04 1978-10-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Apparatus and method for reducing thermal stress in a turbine rotor
US4157232A (en) * 1977-10-31 1979-06-05 General Electric Company Turbine shroud support
FR2614073B1 (fr) * 1987-04-15 1992-02-14 Snecma Dispositif d'ajustement en temps reel du jeu radial entre un rotor et un stator de turbomachine
GB2226365B (en) * 1988-12-22 1993-03-10 Rolls Royce Plc Turbomachine clearance control
US5212940A (en) * 1991-04-16 1993-05-25 General Electric Company Tip clearance control apparatus and method
US5169287A (en) * 1991-05-20 1992-12-08 General Electric Company Shroud cooling assembly for gas turbine engine
GB9210642D0 (en) * 1992-05-19 1992-07-08 Rolls Royce Plc Rotor shroud assembly
DE4411616C2 (de) * 1994-04-02 2003-04-17 Alstom Verfahren zum Betreiben einer Strömungsmaschine

Also Published As

Publication number Publication date
DE69719579T2 (de) 2003-12-11
GB2310255B (en) 1999-06-16
EP0790390A3 (de) 1999-05-12
EP0790390B1 (de) 2003-03-12
US5772400A (en) 1998-06-30
GB2310255A (en) 1997-08-20
GB9602842D0 (en) 1996-04-10
EP0790390A2 (de) 1997-08-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition