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
Links
- 230000009347 mechanical transmission Effects 0.000 title abstract 2
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
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)
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)
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)
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 |
FR3035156B1 (fr) * | 2015-04-17 | 2019-05-10 | Safran Aircraft Engines | Turbomoteur a doublet d'helices contrarotatives dispose en amont du generateur de gaz |
EP3283747B1 (fr) * | 2015-04-17 | 2020-09-09 | 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 |
FR3075874B1 (fr) * | 2017-12-22 | 2019-11-22 | Safran Aircraft Engines | Turbomachine a reducteur pour un aeronef |
FR3075866B1 (fr) * | 2017-12-22 | 2019-12-27 | Safran Aircraft Engines | Tube de degazage pour une turbomachine d'aeronef a reducteur |
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)
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 |
-
2011
- 2011-08-18 FR FR1157401A patent/FR2979121B1/fr active Active
-
2012
- 2012-08-14 GB GB1214464.8A patent/GB2493834B/en active Active
- 2012-08-14 US US13/585,331 patent/US9145847B2/en active Active
Cited By (4)
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 |
GB2493834B (en) | 2017-07-26 |
FR2979121A1 (fr) | 2013-02-22 |
US9145847B2 (en) | 2015-09-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2979121B1 (fr) | Dispositif de transmission mecanique pour l'entrainement en rotation des helices contrarotatives d'un turbopropulseur a double helice. | |
DK2097641T3 (da) | Effektforgrenet vindkraftgear | |
RU2011128869A (ru) | Система вращающихся в противоположных направлениях воздушных винтов, приводимых в движение при помощи эпициклоидального механизма, обеспечивающая уравновешенное распределение крутящих моментов между двумя воздушными винтами | |
EP2543867A3 (fr) | Soufflante à faible taux de compression et haute efficacité pour moteur à turbine à gaz | |
EP2792880A3 (fr) | Dispositif de génération de puissance | |
ES2421941T3 (es) | Turboventilador de engranajes | |
MY161836A (en) | Power transmitting device | |
WO2010108576A3 (fr) | Agencement mécanique | |
EP2543866A3 (fr) | Soufflante pour de moteur à turbine à gas | |
DK201170507A (en) | Compact Geared drive train | |
EP2384966A3 (fr) | Mécanisme de commande de pas | |
BR112014032406A2 (pt) | método para mudança de engrenagem em um veículo híbrido | |
JP2014114956A (ja) | 2方向入力・定方向出力のギアセット | |
RU2016139609A (ru) | Газотурбинный двигатель, двухмоторный вертолет, оснащенный таким газотурбинным двигателем, и способ оптимизации режима сверхмалого газа с нулевой мощностью такого двухмоторного вертолета | |
WO2011023163A3 (fr) | Système d'entraînement pour un vélo assisté par moteur et carter pour le système d'entraînement | |
EP2778479A3 (fr) | Surpresseur | |
MX2016005171A (es) | Turbina eolica con arreglo de engranaje de impulsion por banda. | |
IN2014DN10775A (fr) | ||
EP2549137A3 (fr) | Moteur de traction | |
EP2610461A3 (fr) | Moteur à turbine à gaz à double ventilateur et train d'engrenages | |
GB2496256B (en) | Planetary gearing system for a wind turbine | |
EP2415965A3 (fr) | Moteur à turbine à gaz | |
RU145076U1 (ru) | Главная энергетическая установка судна с винтом регулируемого шага | |
EP2713600A3 (fr) | Appareil de lecture d'images | |
RU147169U1 (ru) | Главная энергетическая установка скоростного судна с воздушными кавернами на днище |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 6 |
|
PLFP | Fee payment |
Year of fee payment: 7 |
|
CD | Change of name or company name |
Owner name: SAFRAN AIRCRAFT ENGINES, FR Effective date: 20170719 |
|
PLFP | Fee payment |
Year of fee payment: 8 |
|
PLFP | Fee payment |
Year of fee payment: 9 |
|
PLFP | Fee payment |
Year of fee payment: 10 |
|
PLFP | Fee payment |
Year of fee payment: 11 |
|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
PLFP | Fee payment |
Year of fee payment: 14 |