UA77401C2 - Device for radially supporting the front of a drive shaft for a fan of a turbojet of longitudinal axis - Google Patents

Device for radially supporting the front of a drive shaft for a fan of a turbojet of longitudinal axis Download PDF

Info

Publication number
UA77401C2
UA77401C2 UA2003032211A UA2003032211A UA77401C2 UA 77401 C2 UA77401 C2 UA 77401C2 UA 2003032211 A UA2003032211 A UA 2003032211A UA 2003032211 A UA2003032211 A UA 2003032211A UA 77401 C2 UA77401 C2 UA 77401C2
Authority
UA
Ukraine
Prior art keywords
shaft
longitudinal axis
radial
support
balls
Prior art date
Application number
UA2003032211A
Other languages
English (en)
Ukrainian (uk)
Original Assignee
Snecma Moteurs
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 Moteurs filed Critical Snecma Moteurs
Publication of UA77401C2 publication Critical patent/UA77401C2/uk

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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
    • F01D21/045—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/301—Retaining bolts or nuts
    • F05B2260/3011—Retaining bolts or nuts of the frangible or shear type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/23—Gas turbine engines

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rolling Contact Bearings (AREA)
UA2003032211A 2002-03-14 2003-03-13 Device for radially supporting the front of a drive shaft for a fan of a turbojet of longitudinal axis UA77401C2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0203151A FR2837240B1 (fr) 2002-03-14 2002-03-14 Dispositif de support et de recentrage d'un arbre d'une soufflante d'un turboreacteur apres decouplage

Publications (1)

Publication Number Publication Date
UA77401C2 true UA77401C2 (en) 2006-12-15

Family

ID=27763736

Family Applications (1)

Application Number Title Priority Date Filing Date
UA2003032211A UA77401C2 (en) 2002-03-14 2003-03-13 Device for radially supporting the front of a drive shaft for a fan of a turbojet of longitudinal axis

Country Status (6)

Country Link
US (1) US6799416B2 (de)
EP (1) EP1344896B1 (de)
DE (1) DE60306563T2 (de)
FR (1) FR2837240B1 (de)
RU (1) RU2304235C2 (de)
UA (1) UA77401C2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2841592B1 (fr) * 2002-06-27 2004-09-10 Snecma Moteurs Recentrage d'un rotor apres decouplage
US7625128B2 (en) * 2006-09-08 2009-12-01 Pratt & Whitney Canada Corp. Thrust bearing housing for a gas turbine engine
GB2444935B (en) * 2006-12-06 2009-06-10 Rolls Royce Plc A turbofan gas turbine engine
FR2926603B1 (fr) * 2008-01-23 2010-03-26 Snecma Guidage d'un arbre dans une turbomachine
US8167531B2 (en) * 2008-05-16 2012-05-01 General Electric Company Method and apparatus for supporting rotor assemblies during unbalances
GB0812832D0 (en) * 2008-07-15 2008-08-20 Rolls Royce Plc A centering device
FR2955615B1 (fr) 2010-01-28 2012-02-24 Snecma Systeme de decouplage pour arbre rotatif d'un turboreacteur d'aeronef
CN102158911A (zh) * 2010-02-11 2011-08-17 华为技术有限公司 机器对机器业务的承载建立方法及网络传输设备
US10197102B2 (en) * 2016-10-21 2019-02-05 General Electric Company Load reduction assemblies for a gas turbine engine
FR3063310B1 (fr) * 2017-02-28 2019-04-26 Safran Aircraft Engines Moteur d'aeronef comprenant un palier entre deux arbres concentriques
US11420755B2 (en) 2019-08-08 2022-08-23 General Electric Company Shape memory alloy isolator for a gas turbine engine
US11105223B2 (en) 2019-08-08 2021-08-31 General Electric Company Shape memory alloy reinforced casing
US11274557B2 (en) 2019-11-27 2022-03-15 General Electric Company Damper assemblies for rotating drum rotors of gas turbine engines
US11280219B2 (en) 2019-11-27 2022-03-22 General Electric Company Rotor support structures for rotating drum rotors of gas turbine engines
US11828235B2 (en) 2020-12-08 2023-11-28 General Electric Company Gearbox for a gas turbine engine utilizing shape memory alloy dampers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476454A (en) * 1967-09-06 1969-11-04 Teledyne Inc Self-adjusting bearing
GB1556266A (en) * 1973-10-24 1979-11-21 Rolls Royce Gas turbine engines
GB2043833B (en) * 1979-03-17 1982-11-10 Rolls Royce Rotor assembly
GB2079402B (en) * 1980-06-27 1984-02-22 Rolls Royce System for supporting a rotor in conditions of dynamic imbalance
US4569070A (en) * 1983-09-19 1986-02-04 General Electric Company Thermally compensated x-ray tube bearings
US5791789A (en) * 1997-04-24 1998-08-11 United Technologies Corporation Rotor support for a turbine engine
US6082959A (en) * 1998-12-22 2000-07-04 United Technologies Corporation Method and apparatus for supporting a rotatable shaft within a gas turbine engine
US6491497B1 (en) * 2000-09-22 2002-12-10 General Electric Company Method and apparatus for supporting rotor assemblies during unbalances
US6402469B1 (en) * 2000-10-20 2002-06-11 General Electric Company Fan decoupling fuse

Also Published As

Publication number Publication date
DE60306563D1 (de) 2006-08-17
RU2304235C2 (ru) 2007-08-10
EP1344896B1 (de) 2006-07-05
FR2837240B1 (fr) 2004-07-09
EP1344896A1 (de) 2003-09-17
US20030182926A1 (en) 2003-10-02
FR2837240A1 (fr) 2003-09-19
DE60306563T2 (de) 2007-06-21
US6799416B2 (en) 2004-10-05

Similar Documents

Publication Publication Date Title
UA77401C2 (en) Device for radially supporting the front of a drive shaft for a fan of a turbojet of longitudinal axis
JP4203473B2 (ja) デカップリング後のロータ再センタリング
US8337090B2 (en) Bearing support flexible ring
US6494032B2 (en) Ducted fan gas turbine engine with frangible connection
CN100559021C (zh) 带有与由第一和第二轴承支承的驱动轴为一体的风扇的涡轮喷气发动机
JP6268163B2 (ja) ギヤボックスおよびギヤボックスのキャリヤの支持装置
JP3890236B2 (ja) 双方向テーパ状スラストローラベアリング
JP5845358B2 (ja) ガスタービンエンジン用の軸受支持装置
JP5830177B2 (ja) ガスタービンエンジンのための直列の軸受支持装置
US4289360A (en) Bearing damper system
US7909514B2 (en) Bearing arrangement for a rotating shaft, and turbine engine equipped with such an arrangement
GB2326679A (en) Ducted fan gas turbine engine
JPH09229061A (ja) 回転体の軸受装置
CA2702591C (en) Bearing support
US6194801B1 (en) Device for limiting shaft whirl
JPH10299415A (ja) ロータ用支持装置
AU2020414869B2 (en) Parallel bearing and rotor system
WO2014134260A1 (en) Replaceable axial journal for auxiliary bearings
JP2001263292A (ja) 磁気軸受真空ポンプの制振システムと軸受センタリング装置
GB2531162A (en) Turbo engine comprising a device for braking the fan rotor
US11215076B2 (en) Bearing device for load reduction
CA2678324C (en) Bearing suppport flexible ring
RU2563954C1 (ru) Опора ротора турбомашины
US9624777B2 (en) Mobile member of a turbomachine which comprises means for changing the resonance frequency of same
WO1998054443A1 (en) A device for a rotary machine