DE69812051D1 - Turbomaschinenschaufel mit Riefen - Google Patents

Turbomaschinenschaufel mit Riefen

Info

Publication number
DE69812051D1
DE69812051D1 DE69812051T DE69812051T DE69812051D1 DE 69812051 D1 DE69812051 D1 DE 69812051D1 DE 69812051 T DE69812051 T DE 69812051T DE 69812051 T DE69812051 T DE 69812051T DE 69812051 D1 DE69812051 D1 DE 69812051D1
Authority
DE
Germany
Prior art keywords
grooves
turbomachine blade
turbomachine
blade
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
DE69812051T
Other languages
English (en)
Inventor
Josef Panovsky
Joseph Timothy Stevenson
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69812051D1 publication Critical patent/DE69812051D1/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
    • 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
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
    • 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
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69812051T 1997-12-22 1998-10-21 Turbomaschinenschaufel mit Riefen Expired - Lifetime DE69812051D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/995,979 US5913661A (en) 1997-12-22 1997-12-22 Striated hybrid blade

Publications (1)

Publication Number Publication Date
DE69812051D1 true DE69812051D1 (de) 2003-04-17

Family

ID=25542384

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69812051T Expired - Lifetime DE69812051D1 (de) 1997-12-22 1998-10-21 Turbomaschinenschaufel mit Riefen

Country Status (4)

Country Link
US (1) US5913661A (de)
EP (1) EP0924380B1 (de)
JP (1) JPH11201089A (de)
DE (1) DE69812051D1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6454536B1 (en) * 2000-02-09 2002-09-24 General Electric Company Adhesion enhancers to promote bonds of improved strength between elastomers metals in lightweight aircraft fan blades
US6338609B1 (en) * 2000-02-18 2002-01-15 General Electric Company Convex compressor casing
GB0100695D0 (en) * 2001-01-11 2001-02-21 Rolls Royce Plc a turbomachine blade
GB2391270B (en) * 2002-07-26 2006-03-08 Rolls Royce Plc Turbomachine blade
GB2397257A (en) * 2003-01-16 2004-07-21 Rolls Royce Plc Article provided with a vibration damping coating
DE10301755A1 (de) * 2003-01-18 2004-07-29 Rolls-Royce Deutschland Ltd & Co Kg Fanschaufel für ein Gasturbienentriebwerk
GB0406444D0 (en) * 2004-03-23 2004-04-28 Rolls Royce Plc An article having a vibration damping coating and a method of applying a vibration damping coating to an article
EP1640562A1 (de) * 2004-09-23 2006-03-29 Siemens Aktiengesellschaft Verfahren zur Frequenzverstimmung einer Turbinenschaufel sowie Turbinenschaufel
JP4863162B2 (ja) * 2006-05-26 2012-01-25 株式会社Ｉｈｉ ターボファンエンジンのファン動翼
EP1895102B1 (de) * 2006-08-23 2009-04-22 Siemens Aktiengesellschaft Beschichtete Turbinenschaufel
GB2450936B (en) * 2007-07-13 2010-01-20 Rolls Royce Plc Bladed rotor balancing
FR2921099B1 (fr) * 2007-09-13 2013-12-06 Snecma Dispositif d'amortissement pour aube en materiau composite
FR2943102B1 (fr) * 2009-03-12 2014-05-02 Snecma Aube en materiau composite comportant un dispositif d'amortissement.
US8083489B2 (en) * 2009-04-16 2011-12-27 United Technologies Corporation Hybrid structure fan blade
US20120324901A1 (en) * 2011-06-23 2012-12-27 United Technologies Corporation Tandem fan-turbine rotor for a tip turbine engine
US20130078103A1 (en) * 2011-09-23 2013-03-28 Christopher S. McKaveney Hollow fan blade rib geometry
DE102015203868A1 (de) 2015-03-04 2016-09-08 Rolls-Royce Deutschland Ltd & Co Kg Fanschaufel für einen Flugantrieb
US10677068B2 (en) * 2018-01-18 2020-06-09 Raytheon Technologies Corporation Fan blade with filled pocket
FR3081370B1 (fr) * 2018-05-22 2020-06-05 Safran Aircraft Engines Corps d'aube et aube en materiau composite ayant un renfort fibreux compose d'un tissage tridimensionnel et de fibres courtes et leur procede de fabrication
US10995631B2 (en) * 2019-04-01 2021-05-04 Pratt & Whitney Canada Corp. Method of shedding ice and fan blade
US11220913B2 (en) * 2019-10-23 2022-01-11 Rolls-Royce Corporation Gas turbine engine blades with airfoil plugs for selected tuning
US11795831B2 (en) 2020-04-17 2023-10-24 Rtx Corporation Multi-material vane for a gas turbine engine
US11572796B2 (en) 2020-04-17 2023-02-07 Raytheon Technologies Corporation Multi-material vane for a gas turbine engine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412615A (en) * 1943-04-16 1946-12-17 Gen Electric Bladed machine element
US2933286A (en) * 1954-09-15 1960-04-19 Gen Electric Damping turbine buckets
US3357850A (en) * 1963-05-09 1967-12-12 Gen Electric Vibration damping turbomachinery blade
GB1040825A (en) * 1965-04-20 1966-09-01 Rolls Royce Improvements in rotor blades and/or stator blades for gas turbine engines
US3796513A (en) * 1972-06-19 1974-03-12 Westinghouse Electric Corp High damping blades
US4118147A (en) * 1976-12-22 1978-10-03 General Electric Company Composite reinforcement of metallic airfoils
US4178667A (en) * 1978-03-06 1979-12-18 General Motors Corporation Method of controlling turbomachine blade flutter
FR2688264A1 (fr) * 1992-03-04 1993-09-10 Snecma Redresseur de turbomachine a aubes ayant une face alveolee chargee en materiau composite.
FR2695163B1 (fr) * 1992-09-02 1994-10-28 Snecma Aube creuse pour turbomachine et son procédé de fabrication.
US5634771A (en) * 1995-09-25 1997-06-03 General Electric Company Partially-metallic blade for a gas turbine
US5655883A (en) * 1995-09-25 1997-08-12 General Electric Company Hybrid blade for a gas turbine
US5947688A (en) * 1997-12-22 1999-09-07 General Electric Company Frequency tuned hybrid blade

Also Published As

Publication number Publication date
EP0924380B1 (de) 2003-03-12
JPH11201089A (ja) 1999-07-27
EP0924380A2 (de) 1999-06-23
US5913661A (en) 1999-06-22
EP0924380A3 (de) 2000-02-23

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Legal Events

Date Code Title Description
8332 No legal effect for de