FR2485631A1 - Systeme pour supporter un rotor dans des conditions de desequilibre dynamique accidentel - Google Patents

Systeme pour supporter un rotor dans des conditions de desequilibre dynamique accidentel Download PDF

Info

Publication number
FR2485631A1
FR2485631A1 FR8112397A FR8112397A FR2485631A1 FR 2485631 A1 FR2485631 A1 FR 2485631A1 FR 8112397 A FR8112397 A FR 8112397A FR 8112397 A FR8112397 A FR 8112397A FR 2485631 A1 FR2485631 A1 FR 2485631A1
Authority
FR
France
Prior art keywords
bearing
rotor
shaft
radial
axis
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.)
Granted
Application number
FR8112397A
Other languages
English (en)
French (fr)
Other versions
FR2485631B1 (enExample
Inventor
Derek Aubrey Roberts
John Michael Treby
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
Publication of FR2485631A1 publication Critical patent/FR2485631A1/fr
Application granted granted Critical
Publication of FR2485631B1 publication Critical patent/FR2485631B1/fr
Granted 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • 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
    • 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
    • F01D5/025—Fixing blade carrying members on shafts
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/327—Application in turbines in gas turbines to drive shrouded, high solidity propeller
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Support Of The Bearing (AREA)
FR8112397A 1980-06-27 1981-06-24 Systeme pour supporter un rotor dans des conditions de desequilibre dynamique accidentel Granted FR2485631A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8021074A GB2079402B (en) 1980-06-27 1980-06-27 System for supporting a rotor in conditions of dynamic imbalance

Publications (2)

Publication Number Publication Date
FR2485631A1 true FR2485631A1 (fr) 1981-12-31
FR2485631B1 FR2485631B1 (enExample) 1984-11-30

Family

ID=10514368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8112397A Granted FR2485631A1 (fr) 1980-06-27 1981-06-24 Systeme pour supporter un rotor dans des conditions de desequilibre dynamique accidentel

Country Status (5)

Country Link
US (1) US4375906A (enExample)
JP (1) JPS5947138B2 (enExample)
DE (1) DE3124462C2 (enExample)
FR (1) FR2485631A1 (enExample)
GB (1) GB2079402B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1344896A1 (fr) * 2002-03-14 2003-09-17 Snecma Moteurs Dispositif de support et de recentrage d'un arbre d'une soufflante d'un turboréacteur après découplage

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK149694C (da) * 1983-10-07 1987-04-06 Nordisk Ventilator Aksialblaeserhjul
GB9602130D0 (en) * 1996-02-02 1996-04-03 Rolls Royce Plc Improved method of combining ducted fan gas turbine engine modules and aircraft structure
GB2320526B (en) * 1996-12-20 2000-09-20 Rolls Royce Plc Ducted fan gas turbine engine
GB2322914B (en) * 1997-03-05 2000-05-24 Rolls Royce Plc Ducted fan gas turbine engine
US5791789A (en) * 1997-04-24 1998-08-11 United Technologies Corporation Rotor support for a turbine engine
GB2326679B (en) * 1997-06-25 2000-07-26 Rolls Royce Plc Ducted fan gas turbine engine
US6240719B1 (en) * 1998-12-09 2001-06-05 General Electric Company Fan decoupler system for a gas turbine engine
US6331078B1 (en) 1998-12-23 2001-12-18 United Technologies Corporation Turbine engine bearing
US6364603B1 (en) * 1999-11-01 2002-04-02 Robert P. Czachor Fan case for turbofan engine having a fan decoupler
GB2360069B (en) 2000-03-11 2003-11-26 Rolls Royce Plc Ducted fan gas turbine engine
US6491497B1 (en) * 2000-09-22 2002-12-10 General Electric Company Method and apparatus for supporting rotor assemblies during unbalances
US6439772B1 (en) 2000-12-01 2002-08-27 General Electric Company Method and apparatus for supporting rotor assembly bearings
US6413046B1 (en) 2001-01-26 2002-07-02 General Electric Company Method and apparatus for centering rotor assembly damper bearings
US6443698B1 (en) 2001-01-26 2002-09-03 General Electric Company Method and apparatus for centering rotor assembly damper bearings
US6783319B2 (en) 2001-09-07 2004-08-31 General Electric Co. Method and apparatus for supporting rotor assemblies during unbalances
US6619908B2 (en) 2001-09-10 2003-09-16 Pratt & Whitney Canada Corp. Axial and radial seal arrangement
EP1314854A1 (fr) * 2001-11-23 2003-05-28 Techspace Aero S.A. Dispositif découpleur destiné à équiper un moteur aéronautique
FR2841592B1 (fr) * 2002-06-27 2004-09-10 Snecma Moteurs Recentrage d'un rotor apres decouplage
GB0216312D0 (en) * 2002-07-12 2002-08-21 Rolls Royce Plc Frangible coupling
DE10258528B4 (de) * 2002-12-14 2005-10-20 Mtu Aero Engines Gmbh Lageranordnung für eine rotierende Welle, insbesondere eine Gasturbinenwelle
FR2874238B1 (fr) * 2004-08-12 2006-12-01 Snecma Moteurs Sa Turbomachine a soufflantes contrarotatives
US7384199B2 (en) * 2004-08-27 2008-06-10 General Electric Company Apparatus for centering rotor assembly bearings
US7625128B2 (en) * 2006-09-08 2009-12-01 Pratt & Whitney Canada Corp. Thrust bearing housing for a gas turbine engine
US8215901B2 (en) * 2007-12-03 2012-07-10 United Technologies Corporation Gas turbine engines and related systems involving offset turbine frame struts
US8167531B2 (en) * 2008-05-16 2012-05-01 General Electric Company Method and apparatus for supporting rotor assemblies during unbalances
US9080461B2 (en) 2012-02-02 2015-07-14 Pratt & Whitney Canada Corp. Fan and boost joint
US9777596B2 (en) 2013-12-23 2017-10-03 Pratt & Whitney Canada Corp. Double frangible bearing support
US9777592B2 (en) 2013-12-23 2017-10-03 Pratt & Whitney Canada Corp. Post FBO windmilling bumper
GB201408129D0 (en) 2014-05-08 2014-06-25 Rolls Royce Plc Stub shaft
GB201712737D0 (en) * 2017-08-09 2017-09-20 Rolls Royce Plc Fan disc apparatus
DE102017123639A1 (de) * 2017-10-11 2019-04-11 Rolls-Royce Deutschland Ltd & Co Kg Überlastsicherungsmittel und Überlastsicherungsverfahren für mindestens zwei mechanische Bauteile
DE102018116019A1 (de) 2018-07-02 2020-01-02 Rolls-Royce Deutschland Ltd & Co Kg Lagervorrichtung zur Lastreduzierung
DE102018116018A1 (de) * 2018-07-02 2020-01-02 Rolls-Royce Deutschland Ltd & Co Kg Lagervorrichtung zur Lastreduzierung
DE102019117414A1 (de) 2019-06-27 2020-12-31 Rolls-Royce Deutschland Ltd & Co Kg Strukturbaugruppe für ein Gasturbinentriebwerk
FR3106153B1 (fr) * 2020-01-10 2022-01-28 Safran Aircraft Engines Dispositif pour le désengagement de turbine en survitesse de turbomachine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423973A (en) * 1942-09-09 1947-07-15 Dehavilland Aircraft Shaft bearing
US3245734A (en) * 1962-11-12 1966-04-12 Rolls Royce Supporting bearings on shafts
US3727998A (en) * 1970-11-21 1973-04-17 Secr Defence Gas turbine engine
US4201513A (en) * 1976-12-07 1980-05-06 Rolls-Royce (1971) Limited Gas turbine engines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1071049A (en) * 1966-02-15 1967-06-07 Rolls Royce Ltd Inc Bearing assembly
DE2655648C2 (de) * 1976-12-08 1982-12-30 Rolls-Royce Ltd., London Rotor-Welle-Verbindung für Gebläse bzw. Verdichter von Gasturbinentriebwerken
GB2043833B (en) * 1979-03-17 1982-11-10 Rolls Royce Rotor assembly
GB2046365B (en) * 1979-04-07 1983-01-26 Rolls Royce Mounting bladed rotors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423973A (en) * 1942-09-09 1947-07-15 Dehavilland Aircraft Shaft bearing
US3245734A (en) * 1962-11-12 1966-04-12 Rolls Royce Supporting bearings on shafts
US3727998A (en) * 1970-11-21 1973-04-17 Secr Defence Gas turbine engine
US4201513A (en) * 1976-12-07 1980-05-06 Rolls-Royce (1971) Limited Gas turbine engines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1344896A1 (fr) * 2002-03-14 2003-09-17 Snecma Moteurs Dispositif de support et de recentrage d'un arbre d'une soufflante d'un turboréacteur après découplage
FR2837240A1 (fr) * 2002-03-14 2003-09-19 Snecma Moteurs Dispositif de support et de recentrage d'un arbre d'une soufflante d'un turboreacteur apres decouplage
US6799416B2 (en) 2002-03-14 2004-10-05 Snecma Moteurs Device for supporting and recentering the shaft of a turbojet fan after uncoupling

Also Published As

Publication number Publication date
DE3124462A1 (de) 1982-03-18
GB2079402A (en) 1982-01-20
JPS5947138B2 (ja) 1984-11-16
US4375906A (en) 1983-03-08
GB2079402B (en) 1984-02-22
DE3124462C2 (de) 1984-02-23
JPS5738620A (en) 1982-03-03
FR2485631B1 (enExample) 1984-11-30

Similar Documents

Publication Publication Date Title
FR2485631A1 (fr) Systeme pour supporter un rotor dans des conditions de desequilibre dynamique accidentel
US6494032B2 (en) Ducted fan gas turbine engine with frangible connection
EP0214875B1 (fr) Dispositif de limitation du débattement angulaire d'aubes montées sur un disque de rotor de turbomachine
US4117742A (en) Permanent automatic rotor balancer for shafts operating above critical speed
EP1489268B1 (fr) Agencement de supports de paliers pour arbre tournant d'un moteur d'aéronef et moteur d'aéronef équipé d'un tel agencement
FR2463853A1 (fr) Dispositif de support d'un element tournant pouvant etre soumis a des balourds importants
EP2961653B1 (fr) Aubage à calage variable
EP2340997A1 (fr) Mécanisme amortisseur de vibrations, et appareil volant muni d'une structure porteuse et d'un rotor muni d'un tel mécanisme
US6079200A (en) Ducted fan gas turbine engine with fan shaft frangible connection
EP2627870A2 (fr) Boitier de liaison entre un arbre d'entrainement de soufflante de moteur et un palier de roulement
WO2014128397A1 (fr) Suspension d'un turboréacteur par double support arrière
WO2022157443A1 (fr) Ensemble comportant une turbomachine d'aeronef et son pylone d'accrochage
GB2467965A (en) Impeller and bearing arrangement in a rotor assembly, eg for a centrifugal compressor
FR3026774A1 (fr) Turbomachine comportant un dispositif de freinage du rotor de soufflante.
FR2378690A1 (fr) Dispositif de fixation d'un mecanisme de distribution sur un recipient sous pression
FR2732074A1 (fr) Turboreacteur a double flux a nacelle flottante
FR2831624A1 (fr) Systeme decoupleur pour l'arbre d'une soufflante de turboreacteur
FR2773586A1 (fr) Turbomachine a freinage mutuel d'arbres concentriques
EP1004749A3 (en) Damper for rotating machinery
GB2055992A (en) Rotor assembly for supercritical rotors
CA1094924A (fr) Machine rotative
EP1262696B1 (fr) Dispositif de joint d'étanchéité destiné à un palier de turbomachine
WO2021214399A1 (fr) Pivot d'aube à orientation réglable et à intégrité sauvegardée pour moyeu de soufflante de turbomachine
US4057363A (en) Extended arm bifilar and method to eliminate second order vibration excitation
FR3006713A1 (fr) Dispositif de decouplage pour turbomachine comportant une piece intermediaire

Legal Events

Date Code Title Description
ST Notification of lapse