DE69100981D1 - Vibrationsdämpfer mit Nocken für die Schaufeln eines Bläsertreibwerks. - Google Patents

Vibrationsdämpfer mit Nocken für die Schaufeln eines Bläsertreibwerks.

Info

Publication number
DE69100981D1
DE69100981D1 DE91402205T DE69100981T DE69100981D1 DE 69100981 D1 DE69100981 D1 DE 69100981D1 DE 91402205 T DE91402205 T DE 91402205T DE 69100981 T DE69100981 T DE 69100981T DE 69100981 D1 DE69100981 D1 DE 69100981D1
Authority
DE
Germany
Prior art keywords
cams
blades
vibration damper
fan drive
fan
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 - Fee Related
Application number
DE91402205T
Other languages
English (en)
Other versions
DE69100981T2 (de
Inventor
Gerard Robert Edmond R Vermont
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
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Application granted granted Critical
Publication of DE69100981D1 publication Critical patent/DE69100981D1/de
Publication of DE69100981T2 publication Critical patent/DE69100981T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D5/22—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
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE91402205T 1990-08-08 1991-08-08 Vibrationsdämpfer mit Nocken für die Schaufeln eines Bläsertreibwerks. Expired - Fee Related DE69100981T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9010107A FR2665726B1 (fr) 1990-08-08 1990-08-08 Soufflante de turbomachine a amortisseur dynamique a cames.

Publications (2)

Publication Number Publication Date
DE69100981D1 true DE69100981D1 (de) 1994-02-24
DE69100981T2 DE69100981T2 (de) 1994-05-11

Family

ID=9399516

Family Applications (1)

Application Number Title Priority Date Filing Date
DE91402205T Expired - Fee Related DE69100981T2 (de) 1990-08-08 1991-08-08 Vibrationsdämpfer mit Nocken für die Schaufeln eines Bläsertreibwerks.

Country Status (4)

Country Link
US (1) US5143517A (de)
EP (1) EP0470907B1 (de)
DE (1) DE69100981T2 (de)
FR (1) FR2665726B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6478544B2 (en) 2000-05-08 2002-11-12 Alstom (Switzerland) Ltd Blade arrangement with damping elements

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5415526A (en) * 1993-11-19 1995-05-16 Mercadante; Anthony J. Coolable rotor assembly
FR2726323B1 (fr) * 1994-10-26 1996-12-13 Snecma Ensemble d'un disque rotatif et d'aubes, notamment utilise dans une turbomachine
FR2739135B1 (fr) * 1995-09-21 1997-10-31 Snecma Agencement amortisseur monte entre des aubes de rotor
GB9724731D0 (en) * 1997-11-25 1998-01-21 Rolls Royce Plc Friction damper
US6042336A (en) * 1998-11-25 2000-03-28 United Technologies Corporation Offset center of gravity radial damper
GB2344383B (en) * 1998-12-01 2002-06-26 Rolls Royce Plc A bladed rotor
EP1180196B1 (de) * 1999-05-14 2005-02-16 Siemens Aktiengesellschaft Strömungsmaschine mit einem dichtsystem für einen rotor
GB0523106D0 (en) * 2005-11-12 2005-12-21 Rolls Royce Plc A cooliing arrangement
EP1925781A1 (de) * 2006-11-23 2008-05-28 Siemens Aktiengesellschaft Schaufelanordnung
DE102009011964A1 (de) * 2009-03-05 2010-09-09 Mtu Aero Engines Gmbh Rotor für eine Strömungsmaschine
DE102010052965B4 (de) * 2010-11-30 2014-06-12 MTU Aero Engines AG Dämpfungsmittel zum Dämpfen einer Schaufelbewegung einer Turbomaschine
EP2520768A1 (de) 2011-05-02 2012-11-07 MTU Aero Engines AG Dichteinrichtung für einen integral beschaufelten Rotorgrundkörper einer Strömungsmaschine
US20130011271A1 (en) * 2011-07-05 2013-01-10 United Technologies Corporation Ceramic matrix composite components
US8985956B2 (en) * 2011-09-19 2015-03-24 General Electric Company Compressive stress system for a gas turbine engine
FR3003294B1 (fr) * 2013-03-15 2018-03-30 Safran Aircraft Engines Soufflante de turbomoteur a flux multiple, et turbomoteur equipe d'une telle soufflante
US10197009B2 (en) * 2014-07-30 2019-02-05 Pratt & Whitney Canada Corp. Gas turbine engine ejector
FR3037097B1 (fr) * 2015-06-03 2017-06-23 Snecma Aube composite comprenant une plateforme munie d'un raidisseur
US10662784B2 (en) 2016-11-28 2020-05-26 Raytheon Technologies Corporation Damper with varying thickness for a blade
US10731479B2 (en) 2017-01-03 2020-08-04 Raytheon Technologies Corporation Blade platform with damper restraint
US10677073B2 (en) * 2017-01-03 2020-06-09 Raytheon Technologies Corporation Blade platform with damper restraint
US10220461B2 (en) * 2017-04-12 2019-03-05 General Electric Company Hole drilling elastically deformed superalloy turbine blade
JP7168395B2 (ja) * 2018-09-26 2022-11-09 三菱重工航空エンジン株式会社 ロータアッセンブリ及び回転機械
US11193376B2 (en) 2020-02-10 2021-12-07 Raytheon Technologies Corporation Disk supported damper for a gas turbine engine
CN114382549B (zh) * 2020-10-21 2024-04-23 中国航发商用航空发动机有限责任公司 涡轮和航空发动机
US20230194096A1 (en) * 2021-12-17 2023-06-22 Pratt & Whitney Canada Corp. Exhaust system for a gas turbine engine and method for using same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1263677A (fr) * 1960-07-29 1961-06-09 Havilland Engine Co Ltd Dispositif antivibratoire applicable à des organes rotatifs
US3666376A (en) * 1971-01-05 1972-05-30 United Aircraft Corp Turbine blade damper
US4101245A (en) * 1976-12-27 1978-07-18 United Technologies Corporation Interblade damper and seal for turbomachinery rotor
US4182598A (en) * 1977-08-29 1980-01-08 United Technologies Corporation Turbine blade damper
GB2112466A (en) * 1981-12-30 1983-07-20 Rolls Royce Rotor blade vibration damping
SU1127979A1 (ru) * 1983-02-23 1984-12-07 Предприятие П/Я Р-6837 Рабочее колесо турбомашины
FR2585069B1 (fr) * 1985-07-16 1989-06-09 Snecma Dispositif de limitation du debattement angulaire d'aubes montees sur un disque de rotor de turbomachine
JPH0295702A (ja) * 1988-09-30 1990-04-06 Hitachi Ltd 動翼制振装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6478544B2 (en) 2000-05-08 2002-11-12 Alstom (Switzerland) Ltd Blade arrangement with damping elements

Also Published As

Publication number Publication date
US5143517A (en) 1992-09-01
EP0470907B1 (de) 1994-01-12
EP0470907A1 (de) 1992-02-12
FR2665726B1 (fr) 1993-07-02
FR2665726A1 (fr) 1992-02-14
DE69100981T2 (de) 1994-05-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SNECMA MOTEURS, PARIS, FR

8339 Ceased/non-payment of the annual fee