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FR2977636B1 - DEVICE FOR LUBRICATING A DOUBLE PROPELLER TURBOPROPULSOR INTERROBE BEARING BEARING - Google Patents

DEVICE FOR LUBRICATING A DOUBLE PROPELLER TURBOPROPULSOR INTERROBE BEARING BEARING

Info

Publication number
FR2977636B1
FR2977636B1 FR1156107A FR1156107A FR2977636B1 FR 2977636 B1 FR2977636 B1 FR 2977636B1 FR 1156107 A FR1156107 A FR 1156107A FR 1156107 A FR1156107 A FR 1156107A FR 2977636 B1 FR2977636 B1 FR 2977636B1
Authority
FR
France
Prior art keywords
bearing
turbopropulsor
interrobe
lubricating
double propeller
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
FR1156107A
Other languages
French (fr)
Other versions
FR2977636A1 (en
Inventor
Francois Gallet
Ivan Guy Rouesne
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
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR1156107A priority Critical patent/FR2977636B1/en
Publication of FR2977636A1 publication Critical patent/FR2977636A1/en
Application granted granted Critical
Publication of FR2977636B1 publication Critical patent/FR2977636B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D25/18—Lubricating arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers
    • B64C11/308—Blade pitch-changing mechanisms specially adapted for contrarotating propellers automatic
    • 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
    • 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
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/072—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with counter-rotating, e.g. fan rotors
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/55—Systems consisting of a plurality of bearings with rolling friction with intermediate floating or independently-driven rings rotating at reduced speed or with other differential ball or roller bearings
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
    • F16C33/6677—Details of supply of the liquid to the bearing, e.g. passages or nozzles from radial inside, e.g. via a passage through the shaft and/or inner ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
    • 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
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Details Of Gearings (AREA)
FR1156107A 2011-07-06 2011-07-06 DEVICE FOR LUBRICATING A DOUBLE PROPELLER TURBOPROPULSOR INTERROBE BEARING BEARING Active FR2977636B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1156107A FR2977636B1 (en) 2011-07-06 2011-07-06 DEVICE FOR LUBRICATING A DOUBLE PROPELLER TURBOPROPULSOR INTERROBE BEARING BEARING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1156107A FR2977636B1 (en) 2011-07-06 2011-07-06 DEVICE FOR LUBRICATING A DOUBLE PROPELLER TURBOPROPULSOR INTERROBE BEARING BEARING

Publications (2)

Publication Number Publication Date
FR2977636A1 FR2977636A1 (en) 2013-01-11
FR2977636B1 true FR2977636B1 (en) 2013-08-09

Family

ID=44543517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1156107A Active FR2977636B1 (en) 2011-07-06 2011-07-06 DEVICE FOR LUBRICATING A DOUBLE PROPELLER TURBOPROPULSOR INTERROBE BEARING BEARING

Country Status (1)

Country Link
FR (1) FR2977636B1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3010450B1 (en) * 2013-09-12 2015-10-09 Snecma OIL CIRCULATION DEVICE AND TURBOMACHINE
FR3024497B1 (en) * 2014-07-31 2019-07-26 Safran Aircraft Engines TURBOMACHINE ASSEMBLY FOR DRIVING A FLOW FLUID ALREADY USED FOR A FEEDING ELEMENT
FR3024498B1 (en) * 2014-07-31 2019-07-12 Safran Aircraft Engines TURBOMACHINE ASSEMBLY COMPRISING TWO BODIES AND INTERNAL GUIDING MEANS OF FLOW FLUID TO A FEEDING ELEMENT
FR3026135B1 (en) * 2014-09-22 2020-08-14 Snecma TURBOMACHINE BEARING LUBRICATION DEVICE
US10047632B2 (en) * 2014-11-24 2018-08-14 Rolls-Royce North American Technologies, Inc. Radially stacked intershaft bearing
FR3037099B1 (en) * 2015-06-02 2017-06-09 Snecma TURBOMACHINE ASSEMBLY COMPRISING A SYSTEM FOR CLEANING A FLUID FLOW, IN PARTICULAR A LUBRICANT
US10047649B2 (en) * 2015-06-29 2018-08-14 United Technologies Corporation Concentric axial oil scoop
US20180087404A1 (en) * 2016-09-23 2018-03-29 Rolls-Royce Corporation Oil distributor
FR3066558B1 (en) * 2017-05-18 2019-07-19 Safran Aircraft Engines BLOWER MODULE WITH VARIABLE SHAFT BLADES
FR3080650B1 (en) 2018-04-26 2020-04-03 Safran Aircraft Engines LUBRICATION ASSEMBLY FOR A TURBOMACHINE
FR3086326B1 (en) * 2018-09-24 2020-10-09 Safran Aircraft Engines LUBRICATION SYSTEM OF A GUIDE BEARING OF A SHAFT OF AN AIRCRAFT TURBOMACHINE
FR3100223A1 (en) * 2019-08-30 2021-03-05 Airbus Helicopters Power transmission box, rotorcraft equipped with such a transmission box and associated variation method
FR3110194B1 (en) * 2020-05-13 2022-11-18 Safran Aircraft Engines AIRCRAFT TURBOMACHINE COMPRISING A DEVICE FOR LUBRICATING A BEARING
FR3114122B1 (en) * 2020-09-17 2023-12-22 Safran Aircraft Engines Turbomachine turbine
FR3116078B1 (en) * 2020-11-10 2022-12-30 Safran Aircraft Engines Turbomachine oil nozzle
FR3125568B1 (en) * 2021-07-24 2023-07-14 Safran Trans Systems Pivot for turbomachine mechanical reducer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5272868A (en) * 1993-04-05 1993-12-28 General Electric Company Gas turbine engine lubrication system
FR2942203B1 (en) * 2009-02-13 2011-04-22 Snecma SYSTEM OF CONTRAROTATIVE PROPELLERS WITH REDUCED SIZE
FR2943035B1 (en) * 2009-03-11 2012-09-28 Snecma DEVICE FOR DRIVING A PAIRE OF CONTRAROTIVE PROPELLERS BY AN EPYCYCLOIDAL TRAIN

Also Published As

Publication number Publication date
FR2977636A1 (en) 2013-01-11

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