IT1130974B - Perfezionamenti riguardanti il sostegno di assiemi di rotori - Google Patents

Perfezionamenti riguardanti il sostegno di assiemi di rotori

Info

Publication number
IT1130974B
IT1130974B IT20702/80A IT2070280A IT1130974B IT 1130974 B IT1130974 B IT 1130974B IT 20702/80 A IT20702/80 A IT 20702/80A IT 2070280 A IT2070280 A IT 2070280A IT 1130974 B IT1130974 B IT 1130974B
Authority
IT
Italy
Prior art keywords
rotors
assemblies
support
improvements regarding
regarding
Prior art date
Application number
IT20702/80A
Other languages
English (en)
Other versions
IT8020702A0 (it
Inventor
Henry Roy Briggs
Original Assignee
Rolls Royce
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 filed Critical Rolls Royce
Publication of IT8020702A0 publication Critical patent/IT8020702A0/it
Application granted granted Critical
Publication of IT1130974B publication Critical patent/IT1130974B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/059—Roller bearings
    • 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
    • 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
    • F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D9/00—Couplings with safety member for disconnecting, e.g. breaking or melting member
    • F16D9/06—Couplings with safety member for disconnecting, e.g. breaking or melting member by breaking due to shear stress
    • 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)
IT20702/80A 1979-03-17 1980-03-17 Perfezionamenti riguardanti il sostegno di assiemi di rotori IT1130974B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7909460A GB2043833B (en) 1979-03-17 1979-03-17 Rotor assembly

Publications (2)

Publication Number Publication Date
IT8020702A0 IT8020702A0 (it) 1980-03-17
IT1130974B true IT1130974B (it) 1986-06-18

Family

ID=10503951

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20702/80A IT1130974B (it) 1979-03-17 1980-03-17 Perfezionamenti riguardanti il sostegno di assiemi di rotori

Country Status (6)

Country Link
US (1) US4313712A (it)
JP (1) JPS55126143A (it)
DE (1) DE3009349C2 (it)
FR (1) FR2452034A1 (it)
GB (1) GB2043833B (it)
IT (1) IT1130974B (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079402B (en) * 1980-06-27 1984-02-22 Rolls Royce System for supporting a rotor in conditions of dynamic imbalance
US4350102A (en) * 1981-03-06 1982-09-21 Von Roll Ag Combined combustion and melting furnace for solid, pasty and liquid waste materials
GB2130340A (en) * 1981-03-28 1984-05-31 Rolls Royce Gas turbine rotor assembly
US5282358A (en) * 1991-05-28 1994-02-01 General Electric Company Gas turbine engine dual inner central drive shaft
GB9317530D0 (en) * 1993-08-21 1993-10-06 Westland Helicopters Fusible support devices for rotating shafts
US5433584A (en) * 1994-05-05 1995-07-18 Pratt & Whitney Canada, Inc. Bearing support housing
GB9602130D0 (en) * 1996-02-02 1996-04-03 Rolls Royce Plc Improved method of combining ducted fan gas turbine engine modules and aircraft structure
FR2749883B1 (fr) * 1996-06-13 1998-07-31 Snecma Procede et support de palier permettant de maintenir en fonctionnement un turbomoteur pour aeronef apres apparition d'un balourd accidentel sur un rotor
US5791789A (en) * 1997-04-24 1998-08-11 United Technologies Corporation Rotor support for a turbine engine
US6240719B1 (en) * 1998-12-09 2001-06-05 General Electric Company Fan decoupler system for a gas turbine engine
US6402469B1 (en) * 2000-10-20 2002-06-11 General Electric Company Fan decoupling fuse
US6439772B1 (en) 2000-12-01 2002-08-27 General Electric Company Method and apparatus for supporting rotor assembly bearings
US6443698B1 (en) 2001-01-26 2002-09-03 General Electric Company Method and apparatus for centering rotor assembly damper bearings
US6413046B1 (en) 2001-01-26 2002-07-02 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
DE10157576C2 (de) * 2001-11-23 2003-11-06 Mtu Aero Engines Gmbh Drehlagerung mit einer Sollbruchstelle
FR2837240B1 (fr) * 2002-03-14 2004-07-09 Snecma Moteurs Dispositif de support et de recentrage d'un arbre d'une soufflante d'un turboreacteur apres decouplage
DE10258528B4 (de) * 2002-12-14 2005-10-20 Mtu Aero Engines Gmbh Lageranordnung für eine rotierende Welle, insbesondere eine Gasturbinenwelle
US7384199B2 (en) * 2004-08-27 2008-06-10 General Electric Company Apparatus for centering rotor assembly bearings
US8845277B2 (en) 2010-05-24 2014-09-30 United Technologies Corporation Geared turbofan engine with integral gear and bearing supports
CA2760454C (en) 2010-12-03 2019-02-19 Pratt & Whitney Canada Corp. Gas turbine rotor containment
FR2970053B1 (fr) 2011-01-05 2013-01-25 Turbomeca Dispositif et procede de protection mecanique
FR2974400B1 (fr) * 2011-04-22 2013-05-10 Turbomeca Dispositif de protection mecanique
US20120275921A1 (en) * 2011-04-28 2012-11-01 General Electric Company Turbine engine and load reduction device thereof
US9169730B2 (en) * 2011-11-16 2015-10-27 Pratt & Whitney Canada Corp. Fan hub design
US9080461B2 (en) 2012-02-02 2015-07-14 Pratt & Whitney Canada Corp. Fan and boost joint
GB201408129D0 (en) * 2014-05-08 2014-06-25 Rolls Royce Plc Stub shaft
FR3029996B1 (fr) * 2014-12-15 2018-05-04 Safran Helicopter Engines Fusible mecanique frangible par torsion et groupe de refroidissement d'un turbomoteur equipe d'un tel fusible
GB201712737D0 (en) * 2017-08-09 2017-09-20 Rolls Royce Plc Fan disc apparatus
DE102018116018A1 (de) * 2018-07-02 2020-01-02 Rolls-Royce Deutschland Ltd & Co Kg Lagervorrichtung zur Lastreduzierung
US11179895B2 (en) * 2018-10-05 2021-11-23 Raytheon Technologies Corporation Kinetic disassembly of support structure system for additively manufactured rotating components
DE102019117414A1 (de) * 2019-06-27 2020-12-31 Rolls-Royce Deutschland Ltd & Co Kg Strukturbaugruppe für ein Gasturbinentriebwerk
CN114718726B (zh) * 2021-01-06 2023-09-22 中国航发商用航空发动机有限责任公司 用于应对fbo事件的方法、装置及风扇转子支撑装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB944976A (en) * 1962-11-12 1963-12-18 Rolls Royce Supporting bearings on shafts
GB1071049A (en) * 1966-02-15 1967-06-07 Rolls Royce Ltd Inc Bearing assembly
GB1318629A (en) * 1970-11-21 1973-05-31 Secr Defence Gas turbine engine
US4084861A (en) * 1976-11-11 1978-04-18 United Technologies Corporation Thrust bearing damping means
US4201513A (en) * 1976-12-07 1980-05-06 Rolls-Royce (1971) Limited Gas turbine engines
DE2655648C2 (de) * 1976-12-08 1982-12-30 Rolls-Royce Ltd., London Rotor-Welle-Verbindung für Gebläse bzw. Verdichter von Gasturbinentriebwerken

Also Published As

Publication number Publication date
US4313712A (en) 1982-02-02
DE3009349C2 (de) 1982-03-04
FR2452034A1 (fr) 1980-10-17
GB2043833A (en) 1980-10-08
JPS55126143A (en) 1980-09-29
DE3009349A1 (de) 1980-09-18
IT8020702A0 (it) 1980-03-17
GB2043833B (en) 1982-11-10

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