FR2979121B1 - Dispositif de transmission mecanique pour l'entrainement en rotation des helices contrarotatives d'un turbopropulseur a double helice. - Google Patents

Dispositif de transmission mecanique pour l'entrainement en rotation des helices contrarotatives d'un turbopropulseur a double helice.

Info

Publication number
FR2979121B1
FR2979121B1 FR1157401A FR1157401A FR2979121B1 FR 2979121 B1 FR2979121 B1 FR 2979121B1 FR 1157401 A FR1157401 A FR 1157401A FR 1157401 A FR1157401 A FR 1157401A FR 2979121 B1 FR2979121 B1 FR 2979121B1
Authority
FR
France
Prior art keywords
gear
propellers
rotation
transmission device
mechanical transmission
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
FR1157401A
Other languages
English (en)
Other versions
FR2979121A1 (fr
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 FR1157401A priority Critical patent/FR2979121B1/fr
Priority to GB1214464.8A priority patent/GB2493834B/en
Priority to US13/585,331 priority patent/US9145847B2/en
Publication of FR2979121A1 publication Critical patent/FR2979121A1/fr
Application granted granted Critical
Publication of FR2979121B1 publication Critical patent/FR2979121B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/48—Units of two or more coaxial propellers
    • 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
    • F02K3/062—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 aft fan
    • 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
    • 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
    • B64D35/00—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
    • B64D35/04—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
    • B64D35/06—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors the propellers or rotors being counter-rotating
    • 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
    • F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
    • F01D1/26—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like traversed by the working-fluid substantially axially
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
    • F02C3/067—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages having counter-rotating rotors
    • 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
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Retarders (AREA)
FR1157401A 2011-08-18 2011-08-18 Dispositif de transmission mecanique pour l'entrainement en rotation des helices contrarotatives d'un turbopropulseur a double helice. Active FR2979121B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1157401A FR2979121B1 (fr) 2011-08-18 2011-08-18 Dispositif de transmission mecanique pour l'entrainement en rotation des helices contrarotatives d'un turbopropulseur a double helice.
GB1214464.8A GB2493834B (en) 2011-08-18 2012-08-14 Mechanical transmission device for driving in rotation counter-rotating propellers of a dual-propeller turboprop
US13/585,331 US9145847B2 (en) 2011-08-18 2012-08-14 Mechanical transmission device for driving in rotation counter-rotating propellers of a dual-propeller turboprop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1157401A FR2979121B1 (fr) 2011-08-18 2011-08-18 Dispositif de transmission mecanique pour l'entrainement en rotation des helices contrarotatives d'un turbopropulseur a double helice.

Publications (2)

Publication Number Publication Date
FR2979121A1 FR2979121A1 (fr) 2013-02-22
FR2979121B1 true FR2979121B1 (fr) 2013-09-06

Family

ID=46981483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1157401A Active FR2979121B1 (fr) 2011-08-18 2011-08-18 Dispositif de transmission mecanique pour l'entrainement en rotation des helices contrarotatives d'un turbopropulseur a double helice.

Country Status (3)

Country Link
US (1) US9145847B2 (fr)
FR (1) FR2979121B1 (fr)
GB (1) GB2493834B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105899794A (zh) * 2014-01-07 2016-08-24 斯奈克玛 用于减速涡轮机的叶片组的旋转驱动的行星减速装置
RU2774134C2 (ru) * 2017-12-22 2022-06-15 Сафран Эркрафт Энджинз Турбомашина с редуктором для летательного аппарата

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2964921B1 (fr) * 2013-03-07 2019-10-16 Rolls-Royce Corporation Moteur à turbine à gaz à arbres multiples
FR3008155B1 (fr) * 2013-07-03 2016-10-07 Snecma Transmission a reducteurs multiples entre un arbre d'entrainement et une paire d'helices coaxiales a cet arbre
FR3017164B1 (fr) * 2014-02-03 2016-02-05 Snecma Turbomachine a doublet d'helices pour aeronef
CN107548434B (zh) * 2015-04-17 2019-11-05 赛峰飞机发动机公司 具有一对被置于气体发生器上游的对转螺旋桨的涡轮发动机
FR3035156B1 (fr) * 2015-04-17 2019-05-10 Safran Aircraft Engines Turbomoteur a doublet d'helices contrarotatives dispose en amont du generateur de gaz
FR3035375B1 (fr) * 2015-04-23 2018-07-27 Safran Aircraft Engines Reducteur a train d'engrenages epicycloidal pour une turbomachine.
US10669946B2 (en) * 2015-06-05 2020-06-02 Raytheon Technologies Corporation Geared architecture for a gas turbine engine
US20170096941A1 (en) * 2015-10-06 2017-04-06 General Electric Company Gas turbine gearbox input shaft
US10746047B2 (en) 2017-10-27 2020-08-18 General Electric Company Structure for mitigating vibratory modes of counter-rotating engine rotors
PL238828B1 (pl) * 2017-11-08 2021-10-11 Politechnika Lodzka Mechanizm do przenoszenia napędu na śmigło
FR3075866B1 (fr) * 2017-12-22 2019-12-27 Safran Aircraft Engines Tube de degazage pour une turbomachine d'aeronef a reducteur
FR3075874B1 (fr) * 2017-12-22 2019-11-22 Safran Aircraft Engines Turbomachine a reducteur pour un aeronef
EP3783214A1 (fr) * 2019-08-21 2021-02-24 Rolls-Royce Deutschland Ltd & Co KG Moteur de turbine à gaz
FR3108947B1 (fr) 2020-04-01 2022-08-05 Safran Aircraft Engines Module a reducteur pour une turbomachine d’aeronef
US11725590B2 (en) 2020-10-22 2023-08-15 General Electric Company Turbomachine and gear assembly
US20220204171A1 (en) * 2020-12-28 2022-06-30 Hamilton Sundstrand Corporation Hybrid propulsion systems
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5433674A (en) * 1994-04-12 1995-07-18 United Technologies Corporation Coupling system for a planetary gear train
US7493753B2 (en) * 2005-10-19 2009-02-24 General Electric Company Gas turbine engine assembly and methods of assembling same
US7926260B2 (en) * 2006-07-05 2011-04-19 United Technologies Corporation Flexible shaft for gas turbine engine
FR2940247B1 (fr) 2008-12-19 2011-01-21 Snecma Systeme d'helices contrarotatives entrainees par un train epicycloidal offrant une repartition de couple equilibree entre les deux helices
FR2942284B1 (fr) * 2009-02-16 2011-03-04 Snecma Lubrification et refroidissement d'un reducteur a train d'engrenages epicycloidal
FR2942615B1 (fr) * 2009-02-27 2011-04-01 Snecma Dispositif a helices contrarotatives ayant un moyen de changement de pas des helices
FR2943035B1 (fr) * 2009-03-11 2012-09-28 Snecma Dispositif d'entrainement d'une paire d'helices contrarotives par un train epycycloidal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105899794A (zh) * 2014-01-07 2016-08-24 斯奈克玛 用于减速涡轮机的叶片组的旋转驱动的行星减速装置
CN105899794B (zh) * 2014-01-07 2018-03-13 斯奈克玛 用于减速涡轮机的叶片组的旋转驱动的行星减速装置
RU2673639C2 (ru) * 2014-01-07 2018-11-28 Сафран Эркрафт Энджинз Планетарный редукторный механизм для приведения во вращение лопастных узлов турбомашины с редуктором
RU2774134C2 (ru) * 2017-12-22 2022-06-15 Сафран Эркрафт Энджинз Турбомашина с редуктором для летательного аппарата

Also Published As

Publication number Publication date
GB201214464D0 (en) 2012-09-26
US20130045102A1 (en) 2013-02-21
GB2493834A (en) 2013-02-20
FR2979121A1 (fr) 2013-02-22
US9145847B2 (en) 2015-09-29
GB2493834B (en) 2017-07-26

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