BR112014005002A2 - turbomáquina que compreende um filme fluido de amortecimento de um mancal de guia de uma árvore de turbomáquina e processo de regulagem da espessura de um tal filme fluido de amortecimento - Google Patents

turbomáquina que compreende um filme fluido de amortecimento de um mancal de guia de uma árvore de turbomáquina e processo de regulagem da espessura de um tal filme fluido de amortecimento

Info

Publication number
BR112014005002A2
BR112014005002A2 BR112014005002A BR112014005002A BR112014005002A2 BR 112014005002 A2 BR112014005002 A2 BR 112014005002A2 BR 112014005002 A BR112014005002 A BR 112014005002A BR 112014005002 A BR112014005002 A BR 112014005002A BR 112014005002 A2 BR112014005002 A2 BR 112014005002A2
Authority
BR
Brazil
Prior art keywords
turbomachine
guide bearing
damping fluid
fluid film
damping
Prior art date
Application number
BR112014005002A
Other languages
English (en)
Inventor
Vial Albert
Chevillot Fabrice
René Morreale Serge
Original Assignee
Snecma
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 filed Critical Snecma
Publication of BR112014005002A2 publication Critical patent/BR112014005002A2/pt

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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
    • F01D1/04—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines traversed by the working-fluid substantially axially
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/06—Arrangements of bearings; Lubricating
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F16F15/0237—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means involving squeeze-film damping
    • 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
    • F05D2240/00—Components
    • F05D2240/50—Bearings
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/23—Three-dimensional prismatic
    • F05D2250/232—Three-dimensional prismatic conical
    • 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/23—Gas turbine engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making

Abstract

1/1 resumo “turbomáquina que compreende um filme fluido de amortecimento de um mancal de guia de uma árvore de turbomáquina e processo de regulagem da espessura de um tal filme fluido de amortecimento” uma turbomáquina que compreende um cárter (1), uma árvore de turbomáquina (2) que se estende axialmente, um mancal de guia (3) da árvore de turbomáquina (2) no cárter (1), o mancal de guia (3) compreendendo um anel interior circunferencial (31) solidário da árvore de turbomáquina (2) e um anel exterior circunferencial (32) montado em meios (4) de alojamento do cárter (3) e que contêm órgãos rolantes (33), uma cavidade de amortecimento (c), destinada a receber um fluido de amortecimento a fim de formar um filme fluido de amortecimento do mancal de guia (3), sendo delimitada radialmente entre uma superfície externa do anel exterior (31) e uma superfície interna dos meios de alojamento (4), turbomáquina na qual a superfície externa (s1) do anel exterior (32) e a superfície interna (s2) dos meios de alojamento (4) são superfícies cônicas.
BR112014005002A 2011-09-05 2012-09-04 turbomáquina que compreende um filme fluido de amortecimento de um mancal de guia de uma árvore de turbomáquina e processo de regulagem da espessura de um tal filme fluido de amortecimento BR112014005002A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1157836A FR2979681B1 (fr) 2011-09-05 2011-09-05 Turbomachine comportant un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine et procede de reglage de l'epaisseur d'un tel film fluide d'amortissement
PCT/FR2012/051974 WO2013034843A1 (fr) 2011-09-05 2012-09-04 Turbomachine comportant un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine et procédé de réglage de l'épaisseur d'un tel film fluide d'amortissement

Publications (1)

Publication Number Publication Date
BR112014005002A2 true BR112014005002A2 (pt) 2017-03-21

Family

ID=46889350

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014005002A BR112014005002A2 (pt) 2011-09-05 2012-09-04 turbomáquina que compreende um filme fluido de amortecimento de um mancal de guia de uma árvore de turbomáquina e processo de regulagem da espessura de um tal filme fluido de amortecimento

Country Status (8)

Country Link
US (1) US9631493B2 (pt)
EP (1) EP2753844B1 (pt)
JP (1) JP2014529705A (pt)
CN (1) CN103765037B (pt)
BR (1) BR112014005002A2 (pt)
CA (1) CA2845533A1 (pt)
FR (1) FR2979681B1 (pt)
WO (1) WO2013034843A1 (pt)

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GB201417505D0 (en) * 2014-10-03 2014-11-19 Rolls Royce Deutschland A gas turbine architecture
GB201417504D0 (en) 2014-10-03 2014-11-19 Rolls Royce Deutschland A gas turbine architecture
US10161264B2 (en) * 2017-04-24 2018-12-25 United Technologies Corporation Helically actuated variable bearing damper
JP2020063212A (ja) * 2018-10-17 2020-04-23 花王株式会社 被膜の製造方法
FR3089585B1 (fr) 2018-12-07 2021-09-17 Safran Helicopter Engines Rotor de turbomachine
US10935080B2 (en) * 2019-03-14 2021-03-02 Raytheon Technologies Corporation Extended housing sleeve with stiffening ring feature
FR3096072B1 (fr) 2019-05-14 2021-04-30 Safran Aircraft Engines Turbomachine comprenant un amortisseur de palier d’arbre à viscance variable
FR3106622B1 (fr) 2020-01-28 2022-05-13 Safran Aircraft Engines Système d’amortissement d’un palier de guidage d’un arbre d’une turbomachine d’aeronef
US11619261B2 (en) 2020-10-09 2023-04-04 Pratt & Whitney Canada Corp. Bearing assembly, associated method of damping, and damper ring thereof
FR3129973A1 (fr) * 2021-12-02 2023-06-09 Safran Aircraft Engines Ensemble pour machine tournante comprenant un palier avec amortissement par compression de film d’huile

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US4084861A (en) * 1976-11-11 1978-04-18 United Technologies Corporation Thrust bearing damping means
JPS60569B2 (ja) * 1980-06-04 1985-01-09 株式会社日立製作所 減衰軸受
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DE3532456A1 (de) * 1985-09-11 1987-03-19 Mtu Muenchen Gmbh Zwischenwellen(intershaft)-lager mit squeezefilmdaempfung mit oder ohne squirrel-cage
FR2629537B1 (fr) 1988-03-30 1990-11-30 Snecma Palier inter-arbres de turbomachine multi-corps muni d'un dispositif de pilotage de jeu
US4947639A (en) * 1988-05-12 1990-08-14 United Technologies Corporation Apparatus and method for supporting a rotating shaft in a rotary machine
JPH079247B2 (ja) * 1988-06-07 1995-02-01 日産自動車株式会社 転がり軸受の制振装置
US5056935A (en) * 1990-11-05 1991-10-15 General Electric Company Oil film damper seal ring
JPH05288218A (ja) * 1992-04-09 1993-11-02 Kobe Steel Ltd 回転機械の補助軸受装置
US5215384A (en) * 1992-04-16 1993-06-01 Dresser-Rand Company Self-centering squeeze film damper bearing
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FR2845138B1 (fr) * 2002-10-01 2004-12-17 Snecma Moteurs Palier a roulement amorti a l'huile
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Also Published As

Publication number Publication date
US9631493B2 (en) 2017-04-25
US20140193245A1 (en) 2014-07-10
EP2753844B1 (fr) 2015-08-26
CN103765037A (zh) 2014-04-30
FR2979681A1 (fr) 2013-03-08
JP2014529705A (ja) 2014-11-13
EP2753844A1 (fr) 2014-07-16
CN103765037B (zh) 2016-03-23
FR2979681B1 (fr) 2014-05-16
WO2013034843A1 (fr) 2013-03-14
CA2845533A1 (fr) 2013-03-14

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2478 DE 03-07-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.