DE69506346T2 - Stabiler Schaufelvibrationsdämpfer für Gasturbinentriebwerk - Google Patents

Stabiler Schaufelvibrationsdämpfer für Gasturbinentriebwerk

Info

Publication number
DE69506346T2
DE69506346T2 DE69506346T DE69506346T DE69506346T2 DE 69506346 T2 DE69506346 T2 DE 69506346T2 DE 69506346 T DE69506346 T DE 69506346T DE 69506346 T DE69506346 T DE 69506346T DE 69506346 T2 DE69506346 T2 DE 69506346T2
Authority
DE
Germany
Prior art keywords
gas turbine
turbine engine
vibration damper
blade vibration
stable 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
DE69506346T
Other languages
English (en)
Other versions
DE69506346D1 (de
Inventor
Philip Francis Stec
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 DE69506346D1 publication Critical patent/DE69506346D1/de
Publication of DE69506346T2 publication Critical patent/DE69506346T2/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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • 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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69506346T 1994-09-19 1995-09-12 Stabiler Schaufelvibrationsdämpfer für Gasturbinentriebwerk Expired - Lifetime DE69506346T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/308,181 US5478207A (en) 1994-09-19 1994-09-19 Stable blade vibration damper for gas turbine engine

Publications (2)

Publication Number Publication Date
DE69506346D1 DE69506346D1 (de) 1999-01-14
DE69506346T2 true DE69506346T2 (de) 1999-08-26

Family

ID=23192901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69506346T Expired - Lifetime DE69506346T2 (de) 1994-09-19 1995-09-12 Stabiler Schaufelvibrationsdämpfer für Gasturbinentriebwerk

Country Status (3)

Country Link
US (1) US5478207A (de)
EP (1) EP0702131B1 (de)
DE (1) DE69506346T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
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EP3477048A1 (de) * 2017-10-27 2019-05-01 MTU Aero Engines GmbH Kombination zum abdichten eines spalts zwischen turbomaschinenschaufeln und zum reduzieren von schwingungen der turbomaschinenschaufeln

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JP6240786B2 (ja) 2013-09-11 2017-11-29 ゼネラル・エレクトリック・カンパニイ Ｃｍｃタービンブレードの一体のプラットフォーム及びダンパ保持特徴のためのプライ構造
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US10724375B2 (en) * 2016-02-12 2020-07-28 General Electric Company Gas turbine engine with ring damper
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
EP3477048A1 (de) * 2017-10-27 2019-05-01 MTU Aero Engines GmbH Kombination zum abdichten eines spalts zwischen turbomaschinenschaufeln und zum reduzieren von schwingungen der turbomaschinenschaufeln
US11118458B2 (en) 2017-10-27 2021-09-14 MTU Aero Engines AG Combination for sealing a gap between turbomachine blades and for reducing vibrations of the turbomachine blades

Also Published As

Publication number Publication date
EP0702131B1 (de) 1998-12-02
US5478207A (en) 1995-12-26
EP0702131A1 (de) 1996-03-20
DE69506346D1 (de) 1999-01-14

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN