JPS6148605B2 - - Google Patents

Info

Publication number
JPS6148605B2
JPS6148605B2 JP3719181A JP3719181A JPS6148605B2 JP S6148605 B2 JPS6148605 B2 JP S6148605B2 JP 3719181 A JP3719181 A JP 3719181A JP 3719181 A JP3719181 A JP 3719181A JP S6148605 B2 JPS6148605 B2 JP S6148605B2
Authority
JP
Japan
Prior art keywords
blade
blind hole
members
contact
axial direction
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
JP3719181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56167801A (en
Inventor
Ooburii Robaatsu Dereku
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 1971 Ltd
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 1971 Ltd filed Critical Rolls Royce 1971 Ltd
Publication of JPS56167801A publication Critical patent/JPS56167801A/ja
Publication of JPS6148605B2 publication Critical patent/JPS6148605B2/ja
Granted 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)
JP3719181A 1980-03-14 1981-03-14 Turbo machine blade Granted JPS56167801A (en)

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
JPS56167801A JPS56167801A (en) 1981-12-23
JPS6148605B2 true JPS6148605B2 (enrdf_load_stackoverflow) 1986-10-24

Family

ID=10512118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3719181A Granted JPS56167801A (en) 1980-03-14 1981-03-14 Turbo machine blade

Country Status (4)

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

Families Citing this family (11)

* 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
US12071862B2 (en) * 2022-07-27 2024-08-27 Ge Infrastructure Technology Llc Vibration damping system for turbine nozzle or blade using stacked plate members
US12276205B2 (en) * 2023-06-29 2025-04-15 Ge Infrastructure Technology Llc Damper element with flexible legs for vibration dampening system for turbine blade
US12006831B1 (en) * 2023-06-29 2024-06-11 Ge Infrastructure Technology Llc Damper element with spring-suspended bearing member for vibration dampening system for turbine blade

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
DE3109519A1 (de) 1981-12-24
DE3109519C2 (de) 1983-02-24
FR2478196B1 (fr) 1986-02-21
GB2071775B (en) 1983-07-27
FR2478196A1 (fr) 1981-09-18
GB2071775A (en) 1981-09-23
JPS56167801A (en) 1981-12-23

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