EP2543826A3 - Composite shroud - Google Patents

Composite shroud Download PDF

Info

Publication number
EP2543826A3
EP2543826A3 EP12174977.4A EP12174977A EP2543826A3 EP 2543826 A3 EP2543826 A3 EP 2543826A3 EP 12174977 A EP12174977 A EP 12174977A EP 2543826 A3 EP2543826 A3 EP 2543826A3
Authority
EP
European Patent Office
Prior art keywords
composite shroud
shroud
protrusions
composite
slots
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.)
Withdrawn
Application number
EP12174977.4A
Other languages
German (de)
French (fr)
Other versions
EP2543826A2 (en
Inventor
Paul F. Croteau
Kevin E. Green
Jun Shi
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.)
RTX Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of EP2543826A2 publication Critical patent/EP2543826A2/en
Publication of EP2543826A3 publication Critical patent/EP2543826A3/en
Withdrawn legal-status Critical Current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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • 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
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/50—Building or constructing in particular ways
    • F05D2230/53—Building or constructing in particular ways by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • F05D2230/642—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins using maintaining alignment while permitting differential dilatation
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/294—Three-dimensional machined; miscellaneous grooved
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603—Composites; e.g. fibre-reinforced
    • F05D2300/6033—Ceramic matrix composites [CMC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

A shroud (18) for use in a gas turbine engine (10) has a ring with a plurality of protrusions (30) and a plurality of slots (34), each of the protrusions (30) having an arc length (A2) and parallel sides (32).
EP12174977.4A 2011-07-05 2012-07-04 Composite shroud Withdrawn EP2543826A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/176,112 US20130011248A1 (en) 2011-07-05 2011-07-05 Reduction in thermal stresses in monolithic ceramic or ceramic matrix composite shroud

Publications (2)

Publication Number Publication Date
EP2543826A2 EP2543826A2 (en) 2013-01-09
EP2543826A3 true EP2543826A3 (en) 2013-11-13

Family

ID=46458304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12174977.4A Withdrawn EP2543826A3 (en) 2011-07-05 2012-07-04 Composite shroud

Country Status (2)

Country Link
US (1) US20130011248A1 (en)
EP (1) EP2543826A3 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9726043B2 (en) 2011-12-15 2017-08-08 General Electric Company Mounting apparatus for low-ductility turbine shroud
WO2014120334A1 (en) * 2013-01-29 2014-08-07 Sippel Aaron D Turbine shroud
US10094233B2 (en) 2013-03-13 2018-10-09 Rolls-Royce Corporation Turbine shroud
CA2912428C (en) 2013-05-17 2018-03-13 General Electric Company Cmc shroud support system of a gas turbine
EP3025042A4 (en) * 2013-07-23 2016-08-17 United Technologies Corp Radial position control of case support structure with splined connection
US10309244B2 (en) 2013-12-12 2019-06-04 General Electric Company CMC shroud support system
US10371011B2 (en) 2014-05-08 2019-08-06 United Technologies Corporation Integral ceramic matrix composite fastener with polymer rigidization
US10538013B2 (en) 2014-05-08 2020-01-21 United Technologies Corporation Integral ceramic matrix composite fastener with non-polymer rigidization
JP6363232B2 (en) 2014-06-12 2018-07-25 ゼネラル・エレクトリック・カンパニイ Shroud hanger assembly
CA2951431C (en) 2014-06-12 2019-03-26 General Electric Company Multi-piece shroud hanger assembly
CN106460542B (en) 2014-06-12 2018-11-02 通用电气公司 Shield hanger component
US10190434B2 (en) 2014-10-29 2019-01-29 Rolls-Royce North American Technologies Inc. Turbine shroud with locating inserts
US20160169033A1 (en) * 2014-12-15 2016-06-16 General Electric Company Apparatus and system for ceramic matrix composite attachment
US10982564B2 (en) 2014-12-15 2021-04-20 General Electric Company Apparatus and system for ceramic matrix composite attachment
EP3034803A1 (en) 2014-12-16 2016-06-22 Rolls-Royce Corporation Hanger system for a turbine engine component
CA2915370A1 (en) 2014-12-23 2016-06-23 Rolls-Royce Corporation Full hoop blade track with axially keyed features
CA2915246A1 (en) 2014-12-23 2016-06-23 Rolls-Royce Corporation Turbine shroud
EP3045674B1 (en) 2015-01-15 2018-11-21 Rolls-Royce Corporation Turbine shroud with tubular runner-locating inserts
US9874104B2 (en) 2015-02-27 2018-01-23 General Electric Company Method and system for a ceramic matrix composite shroud hanger assembly
CA2925588A1 (en) 2015-04-29 2016-10-29 Rolls-Royce Corporation Brazed blade track for a gas turbine engine
CA2924855A1 (en) 2015-04-29 2016-10-29 Rolls-Royce Corporation Keystoned blade track
US10550709B2 (en) 2015-04-30 2020-02-04 Rolls-Royce North American Technologies Inc. Full hoop blade track with flanged segments
EP3109043B1 (en) 2015-06-22 2018-01-31 Rolls-Royce Corporation Method for integral joining infiltrated ceramic matrix composites
US10240476B2 (en) 2016-01-19 2019-03-26 Rolls-Royce North American Technologies Inc. Full hoop blade track with interstage cooling air
US10415415B2 (en) 2016-07-22 2019-09-17 Rolls-Royce North American Technologies Inc. Turbine shroud with forward case and full hoop blade track
US10287906B2 (en) 2016-05-24 2019-05-14 Rolls-Royce North American Technologies Inc. Turbine shroud with full hoop ceramic matrix composite blade track and seal system
FR3076578B1 (en) * 2018-01-09 2020-01-31 Safran Aircraft Engines TURBINE RING ASSEMBLY
US10822964B2 (en) * 2018-11-13 2020-11-03 Raytheon Technologies Corporation Blade outer air seal with non-linear response
US10920618B2 (en) 2018-11-19 2021-02-16 Raytheon Technologies Corporation Air seal interface with forward engagement features and active clearance control for a gas turbine engine
US10934941B2 (en) 2018-11-19 2021-03-02 Raytheon Technologies Corporation Air seal interface with AFT engagement features and active clearance control for a gas turbine engine
US11015485B2 (en) 2019-04-17 2021-05-25 Rolls-Royce Corporation Seal ring for turbine shroud in gas turbine engine with arch-style support
US11939888B2 (en) * 2022-06-17 2024-03-26 Rtx Corporation Airfoil anti-rotation ring and assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580033A1 (en) * 1985-04-03 1986-10-10 Snecma Elastically suspended turbine ring for a turbine machine
JPH09264104A (en) * 1996-03-27 1997-10-07 Ishikawajima Harima Heavy Ind Co Ltd Ceramic shroud ring
EP2357322A2 (en) * 2010-01-29 2011-08-17 General Electric Company Mounting apparatus for low-ductility turbine shroud
EP2386725A2 (en) * 2010-05-10 2011-11-16 Hamilton Sundstrand Corporation Ceramic gas turbine shroud
EP2476865A2 (en) * 2011-01-14 2012-07-18 Hamilton Sundstrand Corporation Turbomachine shroud

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8511975B2 (en) * 2011-07-05 2013-08-20 United Technologies Corporation Gas turbine shroud arrangement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580033A1 (en) * 1985-04-03 1986-10-10 Snecma Elastically suspended turbine ring for a turbine machine
JPH09264104A (en) * 1996-03-27 1997-10-07 Ishikawajima Harima Heavy Ind Co Ltd Ceramic shroud ring
EP2357322A2 (en) * 2010-01-29 2011-08-17 General Electric Company Mounting apparatus for low-ductility turbine shroud
EP2386725A2 (en) * 2010-05-10 2011-11-16 Hamilton Sundstrand Corporation Ceramic gas turbine shroud
EP2476865A2 (en) * 2011-01-14 2012-07-18 Hamilton Sundstrand Corporation Turbomachine shroud

Also Published As

Publication number Publication date
US20130011248A1 (en) 2013-01-10
EP2543826A2 (en) 2013-01-09

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