GB2071775B - Turbomachine blade vibration damping - Google Patents

Turbomachine blade vibration damping

Info

Publication number
GB2071775B
GB2071775B GB8008781A GB8008781A GB2071775B GB 2071775 B GB2071775 B GB 2071775B GB 8008781 A GB8008781 A GB 8008781A GB 8008781 A GB8008781 A GB 8008781A GB 2071775 B GB2071775 B GB 2071775B
Authority
GB
United Kingdom
Prior art keywords
vibration damping
blade vibration
turbomachine blade
turbomachine
damping
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
GB8008781A
Other versions
GB2071775A (en
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
Priority to GB8008781A priority Critical patent/GB2071775B/en
Priority to DE19813109519 priority patent/DE3109519C2/en
Priority to FR8105073A priority patent/FR2478196B1/en
Priority to JP3719181A priority patent/JPS56167801A/en
Publication of GB2071775A publication Critical patent/GB2071775A/en
Application granted granted Critical
Publication of GB2071775B publication Critical patent/GB2071775B/en
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)
GB8008781A 1980-03-14 1980-03-14 Turbomachine blade vibration damping Expired GB2071775B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8008781A GB2071775B (en) 1980-03-14 1980-03-14 Turbomachine blade vibration damping
DE19813109519 DE3109519C2 (en) 1980-03-14 1981-03-12 "Vibration-damped blade for turbo machinery"
FR8105073A FR2478196B1 (en) 1980-03-14 1981-03-13 AMORTIZATION OF TURBOMACHINE BLADES
JP3719181A JPS56167801A (en) 1980-03-14 1981-03-14 Turbo machine blade

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
GB2071775A GB2071775A (en) 1981-09-23
GB2071775B true GB2071775B (en) 1983-07-27

Family

ID=10512118

Family Applications (1)

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

Country Status (4)

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

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 (en) * 1990-10-09 1993-01-22 Framatome Sa SLEEVE FOR DAMPING THE MOVEMENT OF TWO ORGANS IN RELATION TO ONE ANOTHER AND DEVICE FOR SUPPORTING THE STEAM OUTLET PIPING OF A STEAM GENERATOR COMPRISING AT LEAST ONE SUCH SLEEVE.
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 (en) * 2011-03-28 2014-08-27 三菱重工業株式会社 Turbine blade fixed structure and blade root spring removal method
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 (en) * 2019-11-27 2021-08-24 长沙理工大学 Turbo generator set shafting torsional vibration damping method with additional disc type vibration damping structure
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 (en) * 1930-08-22 1932-06-29 Aeg Device for vibration damping rod-shaped bodies, in particular turbine blades
FR981599A (en) * 1948-12-31 1951-05-28 Vibration damping device
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 (en) 1981-12-24
JPS6148605B2 (en) 1986-10-24
DE3109519C2 (en) 1983-02-24
GB2071775A (en) 1981-09-23
FR2478196A1 (en) 1981-09-18
JPS56167801A (en) 1981-12-23
FR2478196B1 (en) 1986-02-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee