FR2978210B1 - Procede d'alimentation d'un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine - Google Patents

Procede d'alimentation d'un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine Download PDF

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Publication number
FR2978210B1
FR2978210B1 FR1156611A FR1156611A FR2978210B1 FR 2978210 B1 FR2978210 B1 FR 2978210B1 FR 1156611 A FR1156611 A FR 1156611A FR 1156611 A FR1156611 A FR 1156611A FR 2978210 B1 FR2978210 B1 FR 2978210B1
Authority
FR
France
Prior art keywords
supplying
damping fluid
guide bearing
fluid film
turbomachine shaft
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.)
Active
Application number
FR1156611A
Other languages
English (en)
Other versions
FR2978210A1 (fr
Inventor
Fabrice Chevillot
Rene Morreale Serge
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.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
SNECMA SAS
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 Safran Aircraft Engines SAS, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1156611A priority Critical patent/FR2978210B1/fr
Priority to US13/546,526 priority patent/US9234462B2/en
Publication of FR2978210A1 publication Critical patent/FR2978210A1/fr
Application granted granted Critical
Publication of FR2978210B1 publication Critical patent/FR2978210B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • 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
    • 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
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1156611A 2011-07-21 2011-07-21 Procede d'alimentation d'un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine Active FR2978210B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1156611A FR2978210B1 (fr) 2011-07-21 2011-07-21 Procede d'alimentation d'un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine
US13/546,526 US9234462B2 (en) 2011-07-21 2012-07-11 Fluidic dampening film supply method for a guiding bearing of a turbine engine shaft

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1156611A FR2978210B1 (fr) 2011-07-21 2011-07-21 Procede d'alimentation d'un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine
FR1156611 2011-07-21

Publications (2)

Publication Number Publication Date
FR2978210A1 FR2978210A1 (fr) 2013-01-25
FR2978210B1 true FR2978210B1 (fr) 2018-02-16

Family

ID=44583171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1156611A Active FR2978210B1 (fr) 2011-07-21 2011-07-21 Procede d'alimentation d'un film fluide d'amortissement d'un palier de guidage d'un arbre de turbomachine

Country Status (2)

Country Link
US (1) US9234462B2 (fr)
FR (1) FR2978210B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150322797A1 (en) * 2014-05-09 2015-11-12 United Technologies Corporation Blade element cross-ties
US9874145B2 (en) * 2015-04-27 2018-01-23 United Technologies Corporation Lubrication system for gas turbine engines
US10458278B2 (en) * 2016-11-04 2019-10-29 United Technologies Corporation Apparatus and method for providing fluid to a bearing damper
US10385710B2 (en) 2017-02-06 2019-08-20 United Technologies Corporation Multiwall tube and fitting for bearing oil supply
US10393303B2 (en) 2017-02-06 2019-08-27 United Technologies Corporation Threaded fitting for tube
US10830139B2 (en) 2017-02-06 2020-11-10 Raytheon Technologies Corporation Fitting for multiwall tube
US10465828B2 (en) 2017-02-06 2019-11-05 United Technologies Corporation Tube fitting
FR3088681B1 (fr) 2018-11-16 2021-02-12 Safran Aircraft Engines Module de turbomachine equipe d'un systeme de regulation de pression d'un film fluide d'amortissement et procede de regulation active de pression d'un film d'amortissement des vibrations de la turbomachine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124395A (en) * 1964-03-10 figure
JPS58152951A (ja) * 1982-03-05 1983-09-10 Hitachi Ltd ケ−シング支持装置
GB2198194B (en) * 1986-12-03 1990-05-30 Nat Res Dev Improvements in or relating to hydrodynamic journal bearings
US4947639A (en) * 1988-05-12 1990-08-14 United Technologies Corporation Apparatus and method for supporting a rotating shaft in a rotary machine
US7692347B2 (en) * 2004-10-12 2010-04-06 Nissan Motor Co., Ltd. Vibration damping for a rotating shaft
DE102006026123B3 (de) * 2006-06-03 2008-01-24 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zum Dämpfen von Bewegungen eines um eine Rotorachse rotierenden Rotors und Lager zur Durchführung des Verfahrens
FR2932266B1 (fr) 2008-06-05 2010-07-30 Airbus France Procede de prediction du comportement dynamique d'une structure d'un aeronef

Also Published As

Publication number Publication date
FR2978210A1 (fr) 2013-01-25
US9234462B2 (en) 2016-01-12
US20130022446A1 (en) 2013-01-24

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