FR2522364B1 - Dispositif d'amortissement des vibrations d'aubes de turbomachines - Google Patents

Dispositif d'amortissement des vibrations d'aubes de turbomachines

Info

Publication number
FR2522364B1
FR2522364B1 FR8203319A FR8203319A FR2522364B1 FR 2522364 B1 FR2522364 B1 FR 2522364B1 FR 8203319 A FR8203319 A FR 8203319A FR 8203319 A FR8203319 A FR 8203319A FR 2522364 B1 FR2522364 B1 FR 2522364B1
Authority
FR
France
Prior art keywords
turbomachines
dampening
blades
vibration
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
FR8203319A
Other languages
English (en)
Other versions
FR2522364A1 (fr
Inventor
Gerard Marcel Francois Mandet
Lucien Paul Pham
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR8203319A priority Critical patent/FR2522364B1/fr
Publication of FR2522364A1 publication Critical patent/FR2522364A1/fr
Application granted granted Critical
Publication of FR2522364B1 publication Critical patent/FR2522364B1/fr
Expired 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
    • 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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR8203319A 1982-03-01 1982-03-01 Dispositif d'amortissement des vibrations d'aubes de turbomachines Expired FR2522364B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8203319A FR2522364B1 (fr) 1982-03-01 1982-03-01 Dispositif d'amortissement des vibrations d'aubes de turbomachines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8203319A FR2522364B1 (fr) 1982-03-01 1982-03-01 Dispositif d'amortissement des vibrations d'aubes de turbomachines

Publications (2)

Publication Number Publication Date
FR2522364A1 FR2522364A1 (fr) 1983-09-02
FR2522364B1 true FR2522364B1 (fr) 1986-06-13

Family

ID=9271430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8203319A Expired FR2522364B1 (fr) 1982-03-01 1982-03-01 Dispositif d'amortissement des vibrations d'aubes de turbomachines

Country Status (1)

Country Link
FR (1) FR2522364B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314619A (zh) * 2014-08-15 2015-01-28 中国燃气涡轮研究院 一种涡轮整体叶盘叶片固有频率调整结构及方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5498137A (en) * 1995-02-17 1996-03-12 United Technologies Corporation Turbine engine rotor blade vibration damping device
EP2806105A1 (fr) * 2013-05-23 2014-11-26 MTU Aero Engines GmbH Aube de turbomachine avec corps d'impulsion
EP2806106A1 (fr) 2013-05-23 2014-11-26 MTU Aero Engines GmbH Aube de turbomachine avec corps d'impulsion
ES2633241T3 (es) * 2014-07-11 2017-09-20 MTU Aero Engines AG Álabe de turbomáquina
DE102014223231B4 (de) 2014-11-13 2017-09-07 MTU Aero Engines AG Turbomaschinenschaufelanordnung
CN104454042A (zh) * 2014-11-21 2015-03-25 北京华清燃气轮机与煤气化联合循环工程技术有限公司 叶片阻尼结构及叶片
EP3219916A1 (fr) * 2016-03-16 2017-09-20 MTU Aero Engines GmbH Procédé de fabrication d'un composant de désaccord d'impulsions pour une turbine
CN110671155B (zh) * 2019-10-18 2021-01-19 西安交通大学 一种自适应变工况最佳正压力阻尼叶片结构及设计方法
CN114837984A (zh) * 2022-05-11 2022-08-02 北京化工大学 一种燃气轮机压气机进口可调减振导叶

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314619A (zh) * 2014-08-15 2015-01-28 中国燃气涡轮研究院 一种涡轮整体叶盘叶片固有频率调整结构及方法
CN104314619B (zh) * 2014-08-15 2016-02-24 中国燃气涡轮研究院 一种涡轮整体叶盘叶片固有频率调整结构及方法

Also Published As

Publication number Publication date
FR2522364A1 (fr) 1983-09-02

Similar Documents

Publication Publication Date Title
FR2483033B1 (fr) Dispositif d'amortissement de vibrations
FR2517779B1 (fr) Dispositif d'amortissement des aubes d'une soufflante de turbomachine
FR2601104B1 (fr) Dispositif pour l'amortissement de vibrations
FR2344913A1 (fr) Systeme d'amortissement des vibrations d'un transducteur deviable
HRP920469B1 (en) Apparatus for the vibration damping of turbine engine blades
FR2275641A1 (fr) Dispositif d'amortissement de vibrations de plates-formes d'aubes de turbomachine
FR2688846B1 (fr) Dispositif d'amortissement d'oscillations.
FR2536143B1 (fr) Structure d'amortissement de vibration
DE3879605D1 (de) Schwingungsdaempfungsbefestigung eines triebwerks.
FR2601101B1 (fr) Dispositif pour l'amortissement de vibrations de torsion
FR2637663B1 (fr) Systeme d'amortissement de vibrations
DE69016167D1 (de) Vorrichtung zur Reduktion der Schwingungen eines leerlaufenden Motors.
FR2492933B1 (fr) Systeme d'isolation de vibrations
FR2597944B1 (fr) Dispositif amortisseur de vibrations de torsion
FR2601100B1 (fr) Dispositif d'amortissement d'oscillations
FR2489900B1 (fr) Dispositif combine d'amortissement de vibrations et de fixation
DE3486067D1 (de) Schwingungsdaempfungsvorrichtung.
FR2512495B1 (fr) Dispositif amortisseur de vibrations pour tondeuse a herbes et autres
FR2508541B1 (fr) Dispositif d'amortissement d'aubes de turbomachines, notamment de soufflantes
FR2625540B1 (fr) Appareil d'amortissement des vibrations verticales
FR2522364B1 (fr) Dispositif d'amortissement des vibrations d'aubes de turbomachines
FR2549558B1 (fr) Dispositif amortisseur de vibrations
FR2590732B1 (fr) Dispositif d'amortissement des vibrations des balais d'un moteur miniature
FR2653514B1 (fr) Dispositif d'amortissement actif de vibrations.
FR2659588B1 (fr) Dispositif d'amortissement des vibrations pour dispositif d'appareil de coupe.

Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse