GB2255138B - Unitary bladed disc with vibration damping means - Google Patents

Unitary bladed disc with vibration damping means

Info

Publication number
GB2255138B
GB2255138B GB9203017A GB9203017A GB2255138B GB 2255138 B GB2255138 B GB 2255138B GB 9203017 A GB9203017 A GB 9203017A GB 9203017 A GB9203017 A GB 9203017A GB 2255138 B GB2255138 B GB 2255138B
Authority
GB
United Kingdom
Prior art keywords
vibration damping
damping means
bladed disc
unitary
unitary bladed
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
GB9203017A
Other languages
English (en)
Other versions
GB9203017D0 (en
GB2255138A (en
Inventor
Gerard Gabriel Miraucourt
Jacky Serge Naudet
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
Publication of GB9203017D0 publication Critical patent/GB9203017D0/en
Publication of GB2255138A publication Critical patent/GB2255138A/en
Application granted granted Critical
Publication of GB2255138B publication Critical patent/GB2255138B/en
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
    • F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/10—Anti- vibration means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB9203017A 1991-03-27 1992-02-13 Unitary bladed disc with vibration damping means Expired - Fee Related GB2255138B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103688A FR2674569A1 (fr) 1991-03-27 1991-03-27 Disque ailete monobloc avec amortissement des vibrations pour turbomachine.

Publications (3)

Publication Number Publication Date
GB9203017D0 GB9203017D0 (en) 1992-03-25
GB2255138A GB2255138A (en) 1992-10-28
GB2255138B true GB2255138B (en) 1994-04-20

Family

ID=9411166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9203017A Expired - Fee Related GB2255138B (en) 1991-03-27 1992-02-13 Unitary bladed disc with vibration damping means

Country Status (2)

Country Link
FR (1) FR2674569A1 (enExample)
GB (1) GB2255138B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104955611A (zh) * 2013-01-31 2015-09-30 斯奈克玛 具有阻尼带的用于焊接主轴圆盘的辅助设备,及摩擦焊接方法
US12264593B1 (en) 2023-11-09 2025-04-01 Pratt & Whitney Canada Corp. Damped bladed rotor for gas turbine engine

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2712037B1 (fr) * 1993-11-03 1995-12-08 Snecma Turbomachine à compresseur dont le rotor a un étage amont amovible.
FR2716931B1 (fr) * 1994-03-03 1996-04-05 Snecma Système d'équilibrage et d'amortissement d'un dique de turbomachine.
FR2726323B1 (fr) * 1994-10-26 1996-12-13 Snecma Ensemble d'un disque rotatif et d'aubes, notamment utilise dans une turbomachine
US6375428B1 (en) * 2000-08-10 2002-04-23 The Boeing Company Turbine blisk rim friction finger damper
US6354780B1 (en) * 2000-09-15 2002-03-12 General Electric Company Eccentric balanced blisk
US6969239B2 (en) * 2002-09-30 2005-11-29 General Electric Company Apparatus and method for damping vibrations between a compressor stator vane and a casing of a gas turbine engine
FR2870309B1 (fr) * 2004-05-17 2006-07-07 Snecma Moteurs Sa Procede d'assemblage de disques aubages monoblocs et dispositif d'amortissement des vibrations des aubes de ces disques
FR2905413B1 (fr) * 2006-08-31 2012-02-17 Snecma Zone de raccordement entre deux parties d'une piece
EP2019188A1 (de) * 2007-07-25 2009-01-28 Siemens Aktiengesellschaft Laufschaufelstufe mit Dämpfungselement
JP5030813B2 (ja) * 2008-02-20 2012-09-19 三菱重工業株式会社 ブリスク
US9151170B2 (en) * 2011-06-28 2015-10-06 United Technologies Corporation Damper for an integrally bladed rotor
JP2013253522A (ja) * 2012-06-06 2013-12-19 Ihi Corp ブリスク
GB201506197D0 (en) * 2015-04-13 2015-05-27 Rolls Royce Plc Rotor damper
GB201506195D0 (en) * 2015-04-13 2015-05-27 Rolls Royce Plc Rotor damper
GB201506196D0 (en) 2015-04-13 2015-05-27 Rolls Royce Plc Rotor damper
DE102016101427A1 (de) * 2016-01-27 2017-07-27 Rolls-Royce Deutschland Ltd & Co Kg Rotor in BLISK- oder BLING-Bauweise eines Flugtriebwerks
DE102016120346A1 (de) 2016-10-25 2018-04-26 Rolls-Royce Deutschland Ltd & Co Kg Verdichterrotor einer Strömungsmaschine
JP7599361B2 (ja) 2021-03-24 2024-12-13 三菱重工航空エンジン株式会社 タービン動翼及びタービン
GB202400108D0 (en) 2024-01-04 2024-02-21 Rolls Royce Plc A rotor stage for a gas turbine engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1491557A (en) * 1974-05-28 1977-11-09 Gen Electric Turbomachinery blade assembly
GB2172060A (en) * 1985-03-09 1986-09-10 Rolls Royce Bladed rotor
GB2201470A (en) * 1987-02-26 1988-09-01 Pierburg Gmbh Pump with side-channels

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088421A (en) * 1976-09-30 1978-05-09 General Electric Company Coverplate damping arrangement
US4182598A (en) * 1977-08-29 1980-01-08 United Technologies Corporation Turbine blade damper
US4621976A (en) * 1985-04-23 1986-11-11 United Technologies Corporation Integrally cast vane and shroud stator with damper
US4784572A (en) * 1987-10-14 1988-11-15 United Technologies Corporation Circumferentially bonded rotor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1491557A (en) * 1974-05-28 1977-11-09 Gen Electric Turbomachinery blade assembly
GB2172060A (en) * 1985-03-09 1986-09-10 Rolls Royce Bladed rotor
GB2201470A (en) * 1987-02-26 1988-09-01 Pierburg Gmbh Pump with side-channels

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104955611A (zh) * 2013-01-31 2015-09-30 斯奈克玛 具有阻尼带的用于焊接主轴圆盘的辅助设备,及摩擦焊接方法
US12264593B1 (en) 2023-11-09 2025-04-01 Pratt & Whitney Canada Corp. Damped bladed rotor for gas turbine engine

Also Published As

Publication number Publication date
GB9203017D0 (en) 1992-03-25
FR2674569A1 (fr) 1992-10-02
FR2674569B1 (enExample) 1994-12-16
GB2255138A (en) 1992-10-28

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Legal Events

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

Effective date: 20110213

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120517 AND 20120523