DE69627915D1 - Schwingungsdämpfer für Turbinenschaufeln - Google Patents

Schwingungsdämpfer für Turbinenschaufeln

Info

Publication number
DE69627915D1
DE69627915D1 DE69627915T DE69627915T DE69627915D1 DE 69627915 D1 DE69627915 D1 DE 69627915D1 DE 69627915 T DE69627915 T DE 69627915T DE 69627915 T DE69627915 T DE 69627915T DE 69627915 D1 DE69627915 D1 DE 69627915D1
Authority
DE
Germany
Prior art keywords
vibration damper
turbine blades
turbine
blades
damper
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
DE69627915T
Other languages
English (en)
Other versions
DE69627915T2 (de
Inventor
Yehia M El-Aini
Joseph C Burge
Carl E Meece
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.)
Raytheon Technologies 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 DE69627915D1 publication Critical patent/DE69627915D1/de
Application granted granted Critical
Publication of DE69627915T2 publication Critical patent/DE69627915T2/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
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69627915T 1995-02-17 1996-02-15 Schwingungsdämpfer für Turbinenschaufeln Expired - Lifetime DE69627915T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/390,347 US5498137A (en) 1995-02-17 1995-02-17 Turbine engine rotor blade vibration damping device

Publications (2)

Publication Number Publication Date
DE69627915D1 true DE69627915D1 (de) 2003-06-12
DE69627915T2 DE69627915T2 (de) 2003-11-13

Family

ID=23542123

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69627915T Expired - Lifetime DE69627915T2 (de) 1995-02-17 1996-02-15 Schwingungsdämpfer für Turbinenschaufeln

Country Status (4)

Country Link
US (1) US5498137A (de)
EP (1) EP0727563B1 (de)
JP (1) JP3747387B2 (de)
DE (1) DE69627915T2 (de)

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US6039542A (en) * 1997-12-24 2000-03-21 General Electric Company Panel damped hybrid blade
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EP1250516B1 (de) * 2000-01-06 2010-08-04 Damping Technologies, Inc. Schaufeldämpfung für turbinen
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DE10016912C1 (de) * 2000-04-05 2001-12-13 Aerodyn Eng Gmbh Turmeigenfrequenzabhängige Betriebsführung von Offshore-Windenergieanlagen
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US6752594B2 (en) 2002-02-07 2004-06-22 The Boeing Company Split blade frictional damper
US6699015B2 (en) 2002-02-19 2004-03-02 The Boeing Company Blades having coolant channels lined with a shape memory alloy and an associated fabrication method
US6676380B2 (en) 2002-04-11 2004-01-13 The Boeing Company Turbine blade assembly with pin dampers
US6685435B2 (en) 2002-04-26 2004-02-03 The Boeing Company Turbine blade assembly with stranded wire cable dampers
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US7334998B2 (en) * 2003-12-08 2008-02-26 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Low-noise fan exit guide vanes
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US20080124480A1 (en) * 2004-09-03 2008-05-29 Mo-How Herman Shen Free layer blade damper by magneto-mechanical materials
US20120135272A1 (en) 2004-09-03 2012-05-31 Mo-How Herman Shen Method for applying a low residual stress damping coating
US7806410B2 (en) 2007-02-20 2010-10-05 United Technologies Corporation Damping device for a stationary labyrinth seal
US7607287B2 (en) * 2007-05-29 2009-10-27 United Technologies Corporation Airfoil acoustic impedance control
US20090081032A1 (en) * 2007-09-20 2009-03-26 General Electric Company Composite airfoil
US8267662B2 (en) * 2007-12-13 2012-09-18 General Electric Company Monolithic and bi-metallic turbine blade dampers and method of manufacture
US20090155082A1 (en) * 2007-12-18 2009-06-18 Loc Duong Method to maximize resonance-free running range for a turbine blade
US8883261B2 (en) * 2007-12-21 2014-11-11 United Technologies Corporation Artifacts, method of creating such artifacts and methods of using such artifacts
JP4995141B2 (ja) * 2008-05-08 2012-08-08 三菱重工業株式会社 タービン用翼構造
US8075274B2 (en) * 2009-05-13 2011-12-13 Hamilton Sundstrand Corporation Reinforced composite fan blade
US7955054B2 (en) * 2009-09-21 2011-06-07 Pratt & Whitney Rocketdyne, Inc. Internally damped blade
JP5660883B2 (ja) * 2010-12-22 2015-01-28 三菱日立パワーシステムズ株式会社 蒸気タービンの静翼、蒸気タービン
US20120237351A1 (en) * 2011-03-17 2012-09-20 Weisse Michael A Retention for bonded hollow fan blade cover
US8105039B1 (en) 2011-04-01 2012-01-31 United Technologies Corp. Airfoil tip shroud damper
US9151170B2 (en) * 2011-06-28 2015-10-06 United Technologies Corporation Damper for an integrally bladed rotor
US8944773B2 (en) * 2011-11-01 2015-02-03 United Technologies Corporation Rotor blade with bonded cover
US9512736B2 (en) 2012-05-14 2016-12-06 United Technologies Corporation Monitoring one or more turbine engine rotor blades by correlating measurement data and reference data as a function of time
WO2014158254A1 (en) 2013-03-14 2014-10-02 United Technologies Corporation Fan blade damping device
US9957824B2 (en) 2013-03-15 2018-05-01 United Technologies Corporation Vibration damping for structural guide vanes
EP2806106A1 (de) 2013-05-23 2014-11-26 MTU Aero Engines GmbH Turbomaschinenschaufel mit einem Impulskörper
US9765625B2 (en) * 2013-05-23 2017-09-19 MTU Aero Engines AG Turbomachine blade
US10023951B2 (en) 2013-10-22 2018-07-17 Mo-How Herman Shen Damping method including a face-centered cubic ferromagnetic damping material, and components having same
US9458534B2 (en) 2013-10-22 2016-10-04 Mo-How Herman Shen High strain damping method including a face-centered cubic ferromagnetic damping coating, and components having same
EP3071940B1 (de) 2013-11-18 2019-01-30 United Technologies Corporation Überwachung eines dynamischen parameters wie etwa des drehmoments in einem rotationssystem
WO2015112891A1 (en) * 2014-01-24 2015-07-30 United Technologies Corporation Additive manufacturing process grown integrated torsional damper mechanism in gas turbine engine blade
US9920650B2 (en) 2014-02-14 2018-03-20 United Technologies Corporation Retention of damping media
US9650914B2 (en) 2014-02-28 2017-05-16 Pratt & Whitney Canada Corp. Turbine blade for a gas turbine engine
US10801348B2 (en) * 2014-10-14 2020-10-13 Raytheon Technologies Corporation Non-contacting dynamic seal
EP3018292B1 (de) 2014-11-10 2020-08-12 Ansaldo Energia Switzerland AG Turbinenlaufschaufel, zugehörige gasturbine und herstellungsverfahren
GB2551750B (en) * 2016-06-29 2020-03-25 Rolls Royce Plc Cavity sealing
US10480535B2 (en) * 2017-03-22 2019-11-19 Pratt & Whitney Canada Corp. Fan rotor with flow induced resonance control
US11365636B2 (en) * 2020-05-25 2022-06-21 General Electric Company Fan blade with intrinsic damping characteristics
US11536144B2 (en) 2020-09-30 2022-12-27 General Electric Company Rotor blade damping structures
US11739645B2 (en) 2020-09-30 2023-08-29 General Electric Company Vibrational dampening elements
US11725520B2 (en) 2021-11-04 2023-08-15 Rolls-Royce Corporation Fan rotor for airfoil damping
US11560801B1 (en) 2021-12-23 2023-01-24 Rolls-Royce North American Technologies Inc. Fan blade with internal magnetorheological fluid damping
US11746659B2 (en) 2021-12-23 2023-09-05 Rolls-Royce North American Technologies Inc. Fan blade with internal shear-thickening fluid damping
US11519276B1 (en) * 2022-01-12 2022-12-06 General Electric Company Vibration damping system for turbine blade or nozzle, retention system therefor, and method of assembly

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FR1024218A (fr) * 1950-09-01 1953-03-30 Rateau Soc Dispositif d'amortissement de vibrations pour pales d'hélices et ailettes de turbomachines
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US2999669A (en) * 1958-11-21 1961-09-12 Westinghouse Electric Corp Damping apparatus
GB893787A (en) * 1959-07-03 1962-04-11 United Aircraft Corp Improvements relating to damped bodies and methods of manufacturing them
DE1272169B (de) * 1965-09-08 1968-07-04 Norbert Wietscher Schneidgeraet
US3754838A (en) * 1971-11-15 1973-08-28 Ingersoll Rand Co Vibration suppressed blade
US3796513A (en) * 1972-06-19 1974-03-12 Westinghouse Electric Corp High damping blades
US3966357A (en) * 1974-09-25 1976-06-29 General Electric Company Blade baffle damper
US4118147A (en) * 1976-12-22 1978-10-03 General Electric Company Composite reinforcement of metallic airfoils
FR2522364B1 (fr) * 1982-03-01 1986-06-13 Snecma Dispositif d'amortissement des vibrations d'aubes de turbomachines
JPS61181794A (ja) * 1985-02-06 1986-08-14 Nippon Kokan Kk <Nkk> 舶用プロペラ
US5056738A (en) * 1989-09-07 1991-10-15 General Electric Company Damper assembly for a strut in a jet propulsion engine
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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.
US5273398A (en) * 1992-12-01 1993-12-28 United Technologies Corporation Rotor blade balance weight assembly
US5407321A (en) * 1993-11-29 1995-04-18 United Technologies Corporation Damping means for hollow stator vane airfoils

Also Published As

Publication number Publication date
JPH08240101A (ja) 1996-09-17
US5498137A (en) 1996-03-12
EP0727563A3 (de) 1998-11-04
DE69627915T2 (de) 2003-11-13
EP0727563B1 (de) 2003-05-07
EP0727563A2 (de) 1996-08-21
JP3747387B2 (ja) 2006-02-22

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