FR3122713B1 - Rolling bearing comprising an oil film compression damper provided with fluid disturbance recesses - Google Patents

Rolling bearing comprising an oil film compression damper provided with fluid disturbance recesses Download PDF

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Publication number
FR3122713B1
FR3122713B1 FR2104797A FR2104797A FR3122713B1 FR 3122713 B1 FR3122713 B1 FR 3122713B1 FR 2104797 A FR2104797 A FR 2104797A FR 2104797 A FR2104797 A FR 2104797A FR 3122713 B1 FR3122713 B1 FR 3122713B1
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FR
France
Prior art keywords
recesses
rolling bearing
oil film
damper provided
film compression
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
FR2104797A
Other languages
French (fr)
Other versions
FR3122713A1 (en
Inventor
Laurent Schweitzer
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
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 filed Critical Safran Aircraft Engines SAS
Priority to FR2104797A priority Critical patent/FR3122713B1/en
Publication of FR3122713A1 publication Critical patent/FR3122713A1/en
Application granted granted Critical
Publication of FR3122713B1 publication Critical patent/FR3122713B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F16C2220/00—Shaping
    • F16C2220/60—Shaping by removing material, e.g. machining
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/43—Aeroplanes; Helicopters
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L’invention se rapporte à un palier (20) à roulement comprenant une cavité (60) d’amortissement radial par film d’huile délimitée par une surface (50) comprenant des évidements (70) de perturbation de l’écoulement d’huile qui se succèdent circonférentiellement. Figure pour l’abrégé : Fig. 4The invention relates to a rolling bearing (20) comprising a cavity (60) for radial damping by an oil film delimited by a surface (50) comprising recesses (70) for disturbing the oil flow which follow each other circumferentially. Figure for abstract: Fig. 4

FR2104797A 2021-05-06 2021-05-06 Rolling bearing comprising an oil film compression damper provided with fluid disturbance recesses Active FR3122713B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2104797A FR3122713B1 (en) 2021-05-06 2021-05-06 Rolling bearing comprising an oil film compression damper provided with fluid disturbance recesses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2104797A FR3122713B1 (en) 2021-05-06 2021-05-06 Rolling bearing comprising an oil film compression damper provided with fluid disturbance recesses
FR2104797 2021-05-06

Publications (2)

Publication Number Publication Date
FR3122713A1 FR3122713A1 (en) 2022-11-11
FR3122713B1 true FR3122713B1 (en) 2023-12-22

Family

ID=76807776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2104797A Active FR3122713B1 (en) 2021-05-06 2021-05-06 Rolling bearing comprising an oil film compression damper provided with fluid disturbance recesses

Country Status (1)

Country Link
FR (1) FR3122713B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2876758B1 (en) 2004-10-19 2008-04-18 Snecma Moteurs Sa DEVICE FOR SUPPORTING AND GUIDING A ROTATING SHAFT
JP6961507B2 (en) * 2018-02-01 2021-11-05 本田技研工業株式会社 Bearing equipment
CN111971461B (en) * 2018-03-30 2023-01-10 三菱重工发动机和增压器株式会社 Rotating machine and turbocharger

Also Published As

Publication number Publication date
FR3122713A1 (en) 2022-11-11

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