IT984304B - Perfezionamento nelle disposi zioni di supporti per corpi rotanti in particolare per turbine a gas - Google Patents

Perfezionamento nelle disposi zioni di supporti per corpi rotanti in particolare per turbine a gas

Info

Publication number
IT984304B
IT984304B IT49488/73A IT4948873A IT984304B IT 984304 B IT984304 B IT 984304B IT 49488/73 A IT49488/73 A IT 49488/73A IT 4948873 A IT4948873 A IT 4948873A IT 984304 B IT984304 B IT 984304B
Authority
IT
Italy
Prior art keywords
shaft
bearing
disposed
race
flange
Prior art date
Application number
IT49488/73A
Other languages
English (en)
Original Assignee
Rolls Royce 1971 Ltd
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 1971 Ltd filed Critical Rolls Royce 1971 Ltd
Application granted granted Critical
Publication of IT984304B publication Critical patent/IT984304B/it

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
    • 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
    • F01D25/162—Bearing supports
    • F01D25/164—Flexible supports; Vibration damping means associated with the bearing
    • 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
    • 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
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • F16C27/045—Ball or roller bearings, e.g. with resilient rolling bodies with a fluid film, e.g. squeeze film damping
    • 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
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
    • F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
    • 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
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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)
  • Support Of The Bearing (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Rolling Contact Bearings (AREA)
IT49488/73A 1972-04-18 1973-04-16 Perfezionamento nelle disposi zioni di supporti per corpi rotanti in particolare per turbine a gas IT984304B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1779372A GB1421377A (en) 1972-04-18 1972-04-18 Bearing assemblies

Publications (1)

Publication Number Publication Date
IT984304B true IT984304B (it) 1974-11-20

Family

ID=10101321

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49488/73A IT984304B (it) 1972-04-18 1973-04-16 Perfezionamento nelle disposi zioni di supporti per corpi rotanti in particolare per turbine a gas

Country Status (6)

Country Link
US (1) US3901557A (it)
JP (1) JPS5414244B2 (it)
DE (1) DE2319586A1 (it)
FR (1) FR2181366A5 (it)
GB (1) GB1421377A (it)
IT (1) IT984304B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1161763A (en) * 1980-12-11 1984-02-07 Wesley B. Hill Viscous damper with rotor centering means
US4527912A (en) * 1984-05-31 1985-07-09 General Motors Corporation Squeeze film damper
US4793722A (en) * 1984-08-14 1988-12-27 Elliott Turbomachinery Co., Inc. Flexible damped bearing assembly
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
DE19605971C2 (de) * 1996-02-17 1998-09-17 Mtu Muenchen Gmbh Lageranordnung für Drehkörper
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
SE509392C2 (sv) * 1997-05-27 1999-01-18 Abb Stal Ab Anordning för en rotormaskin
US6331078B1 (en) * 1998-12-23 2001-12-18 United Technologies Corporation Turbine engine bearing
SE520646C2 (sv) * 2001-04-24 2003-08-05 Volvo Aero Corp Turbin- eller kompressoranordning och förfarande för montering av anordningen
GB2469447B (en) * 2009-04-15 2011-03-09 Rolls Royce Plc Gas turbine engine casing assembly
DE102010012228B4 (de) 2010-03-19 2021-01-14 Rolls-Royce Deutschland Ltd & Co Kg Strahltriebwerk mit einer Sollbruchstellenvorrichtung für den Überlastfall
US8727629B2 (en) * 2011-11-01 2014-05-20 General Electric Company Series bearing support apparatus for a gas turbine engine
US10001028B2 (en) * 2012-04-23 2018-06-19 General Electric Company Dual spring bearing support housing
US10240483B2 (en) 2013-10-25 2019-03-26 United Technologies Corporation Bearing race removal
GB201704045D0 (en) 2017-03-14 2017-04-26 Rolls Royce Plc A seal panel for gas turbine engine
US10767690B2 (en) 2018-09-21 2020-09-08 Pratt & Whitney Canada Corp. Bearing housing with damping arrangement
US10641325B1 (en) 2018-10-12 2020-05-05 Pratt & Whitney Canada Corp. Damping device for a bearing housing
GB201820823D0 (en) * 2018-12-20 2019-02-06 Rolls Royce Plc Gas turbine engine
US11879498B2 (en) * 2021-01-04 2024-01-23 General Electric Company Rotor damping devices for a turbomachine
US11384658B1 (en) 2021-08-19 2022-07-12 Pratt & Whitney Canada Corp. Deformable bumper for a rotating structure of a turbine engine
CN114575930B (zh) * 2022-05-06 2022-08-19 中国航发沈阳发动机研究所 一种发动机中介支点外圈支承结构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1130296A (en) * 1966-03-25 1968-10-16 Rolls Royce Vibration damping device
JPS5924076B2 (ja) * 1975-09-05 1984-06-06 株式会社豊田自動織機製作所 フオ−クリフトのサイドシフトフオ−クアタツチメント

Also Published As

Publication number Publication date
DE2319586A1 (de) 1973-10-25
US3901557A (en) 1975-08-26
JPS5414244B2 (it) 1979-06-06
JPS4919209A (it) 1974-02-20
GB1421377A (en) 1976-01-14
FR2181366A5 (it) 1973-11-30

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