FR2478196B1 - Amortissement d'aubes de turbomachines - Google Patents

Amortissement d'aubes de turbomachines

Info

Publication number
FR2478196B1
FR2478196B1 FR8105073A FR8105073A FR2478196B1 FR 2478196 B1 FR2478196 B1 FR 2478196B1 FR 8105073 A FR8105073 A FR 8105073A FR 8105073 A FR8105073 A FR 8105073A FR 2478196 B1 FR2478196 B1 FR 2478196B1
Authority
FR
France
Prior art keywords
amortization
turbomachine blades
turbomachine
blades
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
Application number
FR8105073A
Other languages
English (en)
Other versions
FR2478196A1 (fr
Inventor
Derek Aubrey Roberts
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 FR2478196A1 publication Critical patent/FR2478196A1/fr
Application granted granted Critical
Publication of FR2478196B1 publication Critical patent/FR2478196B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
    • F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
    • F16F3/06—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs of which some are placed around others in such a way that they damp each other by mutual friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR8105073A 1980-03-14 1981-03-13 Amortissement d'aubes de turbomachines Expired FR2478196B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8008781A GB2071775B (en) 1980-03-14 1980-03-14 Turbomachine blade vibration damping

Publications (2)

Publication Number Publication Date
FR2478196A1 FR2478196A1 (fr) 1981-09-18
FR2478196B1 true FR2478196B1 (fr) 1986-02-21

Family

ID=10512118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8105073A Expired FR2478196B1 (fr) 1980-03-14 1981-03-13 Amortissement d'aubes de turbomachines

Country Status (4)

Country Link
JP (1) JPS56167801A (fr)
DE (1) DE3109519C2 (fr)
FR (1) FR2478196B1 (fr)
GB (1) GB2071775B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5056738A (en) * 1989-09-07 1991-10-15 General Electric Company Damper assembly for a strut in a jet propulsion engine
FR2667668B1 (fr) * 1990-10-09 1993-01-22 Framatome Sa Manchon d'amortissement du deplacement de deux organes l'un par rapport a l'autre et dispositif de supportage de la tuyauterie de sortie de vapeur d'un generateur de vapeur comportant au moins un tel manchon.
GB2293695B (en) * 1994-09-30 1998-05-13 Aisin Seiki Switched reluctance motor
GB0615144D0 (en) 2006-07-29 2006-09-06 Rolls Royce Plc Turbomachine blade
JP5579112B2 (ja) * 2011-03-28 2014-08-27 三菱重工業株式会社 タービン動翼の固定構造及び翼根バネの脱着方法
US9194238B2 (en) * 2012-11-28 2015-11-24 General Electric Company System for damping vibrations in a turbine
US10724376B2 (en) 2018-02-08 2020-07-28 General Electric Company Airfoil having integral fins
CN110865304B (zh) * 2019-11-27 2021-08-24 长沙理工大学 一种附加盘式减振结构的汽轮发电机组轴系扭振减振方法
US20240035387A1 (en) * 2022-07-27 2024-02-01 General Electric Company Vibration damping system for turbine nozzle or blade using stacked plate members

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE553716C (de) * 1930-08-22 1932-06-29 Aeg Einrichtung zur Schwingungsdaempfung stabfoermiger Koerper, insbesondere Turbinenschaufeln
FR981599A (fr) * 1948-12-31 1951-05-28 Dispositif amortisseur de vibrations
US2999669A (en) * 1958-11-21 1961-09-12 Westinghouse Electric Corp Damping apparatus
GB936508A (en) * 1961-03-13 1963-09-11 Rolls Royce Improvements relating to vane or blade members for compressors or turbines

Also Published As

Publication number Publication date
DE3109519C2 (de) 1983-02-24
JPS56167801A (en) 1981-12-23
FR2478196A1 (fr) 1981-09-18
GB2071775A (en) 1981-09-23
DE3109519A1 (de) 1981-12-24
GB2071775B (en) 1983-07-27
JPS6148605B2 (fr) 1986-10-24

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Legal Events

Date Code Title Description
ST Notification of lapse