SE397666B - Propellerframdrivningsorgan av ledkapetyp med lag bullerniva - Google Patents

Propellerframdrivningsorgan av ledkapetyp med lag bullerniva

Info

Publication number
SE397666B
SE397666B SE7215939A SE1593972A SE397666B SE 397666 B SE397666 B SE 397666B SE 7215939 A SE7215939 A SE 7215939A SE 1593972 A SE1593972 A SE 1593972A SE 397666 B SE397666 B SE 397666B
Authority
SE
Sweden
Prior art keywords
buller
level
low
organic type
propeller propulsion
Prior art date
Application number
SE7215939A
Other languages
English (en)
Swedish (sv)
Inventor
G Rosen
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Publication of SE397666B publication Critical patent/SE397666B/xx

Links

Classifications

    • 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
    • F02K3/06—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 front fan
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
SE7215939A 1972-02-10 1972-12-07 Propellerframdrivningsorgan av ledkapetyp med lag bullerniva SE397666B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22518672A 1972-02-10 1972-02-10

Publications (1)

Publication Number Publication Date
SE397666B true SE397666B (sv) 1977-11-14

Family

ID=22843887

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7215939A SE397666B (sv) 1972-02-10 1972-12-07 Propellerframdrivningsorgan av ledkapetyp med lag bullerniva

Country Status (7)

Country Link
US (1) US3747343A (xx)
JP (1) JPS4891800A (xx)
DE (1) DE2242219C2 (xx)
FR (1) FR2171050B1 (xx)
GB (1) GB1386481A (xx)
IT (1) IT978944B (xx)
SE (1) SE397666B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4144649A1 (en) * 2021-09-07 2023-03-08 Lilium eAircraft GmbH Shrouded fan engine comprising an acoustic liner

Families Citing this family (180)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931708A (en) * 1973-10-11 1976-01-13 United Technologies Corporation Variable flap for a variable pitch ducted fan propulsor
US3916620A (en) * 1974-05-16 1975-11-04 Hawker Siddeley Dynamics Ltd Propulsive ducted fans
US4005574A (en) * 1975-04-21 1977-02-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Reverse pitch fan with divided splitter
US4883240A (en) * 1985-08-09 1989-11-28 General Electric Company Aircraft propeller noise reduction
US5169288A (en) * 1991-09-06 1992-12-08 General Electric Company Low noise fan assembly
FR2681644B1 (fr) * 1991-09-20 1995-02-24 Onera (Off Nat Aerospatiale) Perfectionnement apporte aux soufflantes notamment pour turboreacteurs a au moins deux flux.
FR2719551B1 (fr) * 1994-05-04 1996-07-12 Eurocopter France Dispositif anti-couple à rotor et stator redresseur carénés, et à aubes redresseuses inclinées.
FR2719550B1 (fr) * 1994-05-04 1996-07-26 Eurocopter France Dispositif anti-couple à rotor et stator redresseur carénés, et modulation de phase des pales du rotor, pour hélicoptère.
FR2719549B1 (fr) * 1994-05-04 1996-07-26 Eurocopter France Dispositif anti-couple à rotor caréné et modulation de phase des pales, pour hélicoptère.
US8667688B2 (en) 2006-07-05 2014-03-11 United Technologies Corporation Method of assembly for gas turbine fan drive gear system
US7704178B2 (en) 2006-07-05 2010-04-27 United Technologies Corporation Oil baffle for gas turbine fan drive gear system
US9976437B2 (en) 2006-08-15 2018-05-22 United Technologies Corporation Epicyclic gear train
US8858388B2 (en) 2006-08-15 2014-10-14 United Technologies Corporation Gas turbine engine gear train
US10107231B2 (en) 2006-08-15 2018-10-23 United Technologies Corporation Gas turbine engine with geared architecture
US8753243B2 (en) 2006-08-15 2014-06-17 United Technologies Corporation Ring gear mounting arrangement with oil scavenge scheme
US8104262B2 (en) 2006-10-12 2012-01-31 United Technologies Corporation Dual function cascade integrated variable area fan nozzle and thrust reverser
GB0702608D0 (en) * 2007-02-10 2007-03-21 Rolls Royce Plc Aeroengine
US20080273961A1 (en) 2007-03-05 2008-11-06 Rosenkrans William E Flutter sensing and control system for a gas turbine engine
US20150377123A1 (en) 2007-08-01 2015-12-31 United Technologies Corporation Turbine section of high bypass turbofan
US11346289B2 (en) 2007-08-01 2022-05-31 Raytheon Technologies Corporation Turbine section of high bypass turbofan
US11242805B2 (en) 2007-08-01 2022-02-08 Raytheon Technologies Corporation Turbine section of high bypass turbofan
US11149650B2 (en) 2007-08-01 2021-10-19 Raytheon Technologies Corporation Turbine section of high bypass turbofan
US11486311B2 (en) 2007-08-01 2022-11-01 Raytheon Technologies Corporation Turbine section of high bypass turbofan
US9494084B2 (en) 2007-08-23 2016-11-15 United Technologies Corporation Gas turbine engine with fan variable area nozzle for low fan pressure ratio
US10167813B2 (en) 2007-08-23 2019-01-01 United Technologies Corporation Gas turbine engine with fan variable area nozzle to reduce fan instability
US9701415B2 (en) 2007-08-23 2017-07-11 United Technologies Corporation Gas turbine engine with axial movable fan variable area nozzle
US9957918B2 (en) 2007-08-28 2018-05-01 United Technologies Corporation Gas turbine engine front architecture
US20140157754A1 (en) 2007-09-21 2014-06-12 United Technologies Corporation Gas turbine engine compressor arrangement
EP2080871A1 (de) * 2008-01-15 2009-07-22 ABB Turbo Systems AG Leitvorrichtung für Schaufelverstellung
FR2926786B1 (fr) * 2008-01-30 2010-02-19 Eurocopter France Procede d'optimisation d'un rotor anti-couple carene a gene acoustique minimale pour un giravion, notamment un helicoptere, et rotor anti-couple carene ainsi obtenu
US20140174056A1 (en) 2008-06-02 2014-06-26 United Technologies Corporation Gas turbine engine with low stage count low pressure turbine
US8128021B2 (en) 2008-06-02 2012-03-06 United Technologies Corporation Engine mount system for a turbofan gas turbine engine
US9885313B2 (en) 2009-03-17 2018-02-06 United Technologes Corporation Gas turbine engine bifurcation located fan variable area nozzle
US9017038B2 (en) 2009-08-10 2015-04-28 Cornerstone Research Group, Inc. Variable performance vaneaxial fan with high efficiency
US9637221B2 (en) * 2009-12-21 2017-05-02 The Boeing Company Optimization of downstream open fan propeller position and placement of acoustic sensors
US8997500B2 (en) * 2010-02-19 2015-04-07 United Technologies Corporation Gas turbine engine oil buffering
US9995174B2 (en) 2010-10-12 2018-06-12 United Technologies Corporation Planetary gear system arrangement with auxiliary oil system
CN103748363A (zh) * 2011-04-01 2014-04-23 艾维森战略集团公司 用于独立地使风扇的空气流及噪声产生变化的方法及设备
US10605167B2 (en) 2011-04-15 2020-03-31 United Technologies Corporation Gas turbine engine front center body architecture
US8777793B2 (en) 2011-04-27 2014-07-15 United Technologies Corporation Fan drive planetary gear system integrated carrier and torque frame
US9631558B2 (en) 2012-01-03 2017-04-25 United Technologies Corporation Geared architecture for high speed and small volume fan drive turbine
US9239012B2 (en) 2011-06-08 2016-01-19 United Technologies Corporation Flexible support structure for a geared architecture gas turbine engine
US9523422B2 (en) 2011-06-08 2016-12-20 United Technologies Corporation Flexible support structure for a geared architecture gas turbine engine
US9506422B2 (en) 2011-07-05 2016-11-29 United Technologies Corporation Efficient, low pressure ratio propulsor for gas turbine engines
US9121412B2 (en) * 2011-07-05 2015-09-01 United Technologies Corporation Efficient, low pressure ratio propulsor for gas turbine engines
US9909505B2 (en) 2011-07-05 2018-03-06 United Technologies Corporation Efficient, low pressure ratio propulsor for gas turbine engines
US9938898B2 (en) 2011-07-29 2018-04-10 United Technologies Corporation Geared turbofan bearing arrangement
WO2013101805A1 (en) * 2011-12-27 2013-07-04 United Technologies Corporation Gas turbine engine compressor arrangement
CN104136721B (zh) * 2011-12-30 2017-05-31 联合工艺公司 涡轮发动机及其操作方法
EP2798187A4 (en) * 2011-12-30 2015-08-19 United Technologies Corp GAS TURBINE ENGINE EQUIPPED WITH VARIABLE SECTION NOZZLE FOR FAN TO REDUCE FAN INSTABILITY
SG11201403587SA (en) * 2011-12-30 2014-07-30 United Technologies Corp Gas turbine engine with fan variable area nozzle for low fan pressure ratio
BR102012028940A2 (pt) * 2011-12-30 2015-10-06 United Technologies Corp motor de turbina a gás
EP3456940B8 (en) * 2011-12-30 2020-11-04 Raytheon Technologies Corporation Gas turbine engine lubrication
SG11201403545SA (en) * 2011-12-30 2014-07-30 United Technologies Corp Gas turbine engine with fan variable area nozzle
WO2013141932A1 (en) * 2011-12-30 2013-09-26 United Technologies Corporation Gas turbine engine with fan variable area nozzle for low fan pressure ratio
WO2013106223A1 (en) * 2012-01-09 2013-07-18 United Technologies Corporation Gas turbine engine with geared architecture
US9416677B2 (en) 2012-01-10 2016-08-16 United Technologies Corporation Gas turbine engine forward bearing compartment architecture
US20130186058A1 (en) 2012-01-24 2013-07-25 William G. Sheridan Geared turbomachine fan and compressor rotation
US9222417B2 (en) 2012-01-31 2015-12-29 United Technologies Corporation Geared turbofan gas turbine engine architecture
US10287914B2 (en) 2012-01-31 2019-05-14 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section and bearing support features
US8869508B2 (en) 2012-01-31 2014-10-28 United Technologies Corporation Gas turbine engine variable area fan nozzle control
US8887487B2 (en) 2012-01-31 2014-11-18 United Technologies Corporation Geared turbofan gas turbine engine architecture
US10113434B2 (en) 2012-01-31 2018-10-30 United Technologies Corporation Turbine blade damper seal
US20150192070A1 (en) * 2012-01-31 2015-07-09 United Technologies Corporation Geared turbofan gas turbine engine architecture
US8863491B2 (en) 2012-01-31 2014-10-21 United Technologies Corporation Gas turbine engine shaft bearing configuration
US8402741B1 (en) * 2012-01-31 2013-03-26 United Technologies Corporation Gas turbine engine shaft bearing configuration
US9255487B2 (en) * 2012-01-31 2016-02-09 United Technologies Corporation Gas turbine engine seal carrier
US8443582B1 (en) * 2012-01-31 2013-05-21 United Technologies Corporation Gas turbine engine with geared turbofan and oil thermal management system
US8246292B1 (en) 2012-01-31 2012-08-21 United Technologies Corporation Low noise turbine for geared turbofan engine
US20130192191A1 (en) 2012-01-31 2013-08-01 Frederick M. Schwarz Gas turbine engine with high speed low pressure turbine section and bearing support features
US8935913B2 (en) 2012-01-31 2015-01-20 United Technologies Corporation Geared turbofan gas turbine engine architecture
US10240526B2 (en) 2012-01-31 2019-03-26 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section
US20130192198A1 (en) 2012-01-31 2013-08-01 Lisa I. Brilliant Compressor flowpath
US20150345426A1 (en) 2012-01-31 2015-12-03 United Technologies Corporation Geared turbofan gas turbine engine architecture
US10724431B2 (en) 2012-01-31 2020-07-28 Raytheon Technologies Corporation Buffer system that communicates buffer supply air to one or more portions of a gas turbine engine
US20130192240A1 (en) 2012-01-31 2013-08-01 Peter M. Munsell Buffer system for a gas turbine engine
US8714913B2 (en) 2012-01-31 2014-05-06 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
US9593628B2 (en) 2012-01-31 2017-03-14 United Technologies Corporation Gas turbine engine variable area fan nozzle with ice management
US10415468B2 (en) 2012-01-31 2019-09-17 United Technologies Corporation Gas turbine engine buffer system
US8366382B1 (en) 2012-01-31 2013-02-05 United Technologies Corporation Mid-turbine frame buffer system
US20140196472A1 (en) * 2012-01-31 2014-07-17 United Technologies Corporation Geared turbofan gas turbine engine architecture
US20160130949A1 (en) 2012-01-31 2016-05-12 United Technologies Corporation Low noise turbine for geared turbofan engine
US10018116B2 (en) * 2012-01-31 2018-07-10 United Technologies Corporation Gas turbine engine buffer system providing zoned ventilation
US20130192258A1 (en) * 2012-01-31 2013-08-01 United Technologies Corporation Geared turbofan gas turbine engine architecture
US9169781B2 (en) 2012-01-31 2015-10-27 United Technologies Corporation Turbine engine gearbox
US10400629B2 (en) 2012-01-31 2019-09-03 United Technologies Corporation Gas turbine engine shaft bearing configuration
US20150089959A1 (en) * 2012-01-31 2015-04-02 United Technologies Corporation Gas turbine engine shaft bearing configuration
US9394852B2 (en) 2012-01-31 2016-07-19 United Technologies Corporation Variable area fan nozzle with wall thickness distribution
US9038366B2 (en) 2012-01-31 2015-05-26 United Technologies Corporation LPC flowpath shape with gas turbine engine shaft bearing configuration
US9835052B2 (en) 2012-01-31 2017-12-05 United Technologies Corporation Gas turbine engine with high speed low pressure turbine section and bearing support features
US20130192251A1 (en) 2012-01-31 2013-08-01 Peter M. Munsell Buffer system that communicates buffer supply air to one or more portions of a gas turbine engine
US10502135B2 (en) 2012-01-31 2019-12-10 United Technologies Corporation Buffer system for communicating one or more buffer supply airs throughout a gas turbine engine
US8632301B2 (en) 2012-01-31 2014-01-21 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
US10107191B2 (en) 2012-02-29 2018-10-23 United Technologies Corporation Geared gas turbine engine with reduced fan noise
US8790075B2 (en) 2012-03-30 2014-07-29 United Technologies Corporation Gas turbine engine geared architecture axial retention arrangement
US10125693B2 (en) 2012-04-02 2018-11-13 United Technologies Corporation Geared turbofan engine with power density range
US10138809B2 (en) 2012-04-02 2018-11-27 United Technologies Corporation Geared turbofan engine with a high ratio of thrust to turbine volume
US20150308351A1 (en) 2012-05-31 2015-10-29 United Technologies Corporation Fundamental gear system architecture
US8756908B2 (en) 2012-05-31 2014-06-24 United Technologies Corporation Fundamental gear system architecture
US8572943B1 (en) 2012-05-31 2013-11-05 United Technologies Corporation Fundamental gear system architecture
WO2014051669A1 (en) * 2012-09-28 2014-04-03 United Technologies Corporation Reduction in jet flap interaction noise with geared turbine engine
US9624834B2 (en) 2012-09-28 2017-04-18 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
US8834099B1 (en) 2012-09-28 2014-09-16 United Technoloiies Corporation Low noise compressor rotor for geared turbofan engine
US20160138474A1 (en) 2012-09-28 2016-05-19 United Technologies Corporation Low noise compressor rotor for geared turbofan engine
WO2014051672A1 (en) 2012-09-28 2014-04-03 United Technologies Corporation Split-zone flow metering t-tube
US11585293B2 (en) 2012-10-01 2023-02-21 Raytheon Technologies Corporation Low weight large fan gas turbine engine
BR112015007733B1 (pt) 2012-10-08 2022-05-03 United Technologies Corporation Motores de turbina a gás, e, método para distribuir peso entre um conjunto de propulsor e um conjunto de gerador de gás de um motor de turbina a gás
WO2014058710A1 (en) 2012-10-09 2014-04-17 United Technologies Corporation Improved operability geared turbofan engine including compressor section variable guide vanes
US9920653B2 (en) 2012-12-20 2018-03-20 United Technologies Corporation Low pressure ratio fan engine having a dimensional relationship between inlet and fan size
US9932933B2 (en) 2012-12-20 2018-04-03 United Technologies Corporation Low pressure ratio fan engine having a dimensional relationship between inlet and fan size
US20140182309A1 (en) * 2012-12-28 2014-07-03 United Technologies Corporation Geared gas turbine engine exhaust nozzle with chevrons
US20150027101A1 (en) * 2013-01-21 2015-01-29 United Technologies Corporation Geared gas turbine engine architecture for enhanced efficiency
US10436120B2 (en) 2013-02-06 2019-10-08 United Technologies Corporation Exhaust nozzle for an elongated gear turbofan with high bypass ratio
EP3882448B1 (en) 2013-03-12 2024-07-10 RTX Corporation Flexible coupling for geared turbine engine
US11156090B2 (en) * 2013-03-14 2021-10-26 Raytheon Technologies Corporation Low speed fan for gas turbine engines
US11719161B2 (en) 2013-03-14 2023-08-08 Raytheon Technologies Corporation Low noise turbine for geared gas turbine engine
US10605172B2 (en) 2013-03-14 2020-03-31 United Technologies Corporation Low noise turbine for geared gas turbine engine
US9624827B2 (en) 2013-03-15 2017-04-18 United Technologies Corporation Thrust efficient turbofan engine
US10113481B2 (en) 2013-03-15 2018-10-30 United Technologies Corporation Turbofan engine bearing and gearbox arrangement
US10724479B2 (en) 2013-03-15 2020-07-28 United Technologies Corporation Thrust efficient turbofan engine
EP3008323B1 (en) 2013-05-09 2021-11-10 Raytheon Technologies Corporation Turbofan engine front section
EP2994628A4 (en) 2013-05-09 2017-01-18 United Technologies Corporation Turbofan engine front section
WO2015088619A2 (en) 2013-10-16 2015-06-18 United Technologies Corporation Geared turbofan engine with targeted modular efficiency
US10502163B2 (en) 2013-11-01 2019-12-10 United Technologies Corporation Geared turbofan arrangement with core split power ratio
WO2015112212A2 (en) 2013-11-01 2015-07-30 United Technologies Corporation Geared turbofan arrangement with core split power ratio
US8869504B1 (en) 2013-11-22 2014-10-28 United Technologies Corporation Geared turbofan engine gearbox arrangement
EP3108123B1 (en) 2014-02-19 2023-10-04 Raytheon Technologies Corporation Turbofan engine with geared architecture and lpc airfoils
WO2015126796A1 (en) * 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108110B1 (en) 2014-02-19 2020-04-22 United Technologies Corporation Gas turbine engine airfoil
US10495106B2 (en) 2014-02-19 2019-12-03 United Technologies Corporation Gas turbine engine airfoil
EP3108114B1 (en) 2014-02-19 2021-12-08 Raytheon Technologies Corporation Gas turbine engine airfoil
WO2015126448A1 (en) * 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108103B1 (en) 2014-02-19 2023-09-27 Raytheon Technologies Corporation Fan blade for a gas turbine engine
US10352331B2 (en) 2014-02-19 2019-07-16 United Technologies Corporation Gas turbine engine airfoil
US10465702B2 (en) 2014-02-19 2019-11-05 United Technologies Corporation Gas turbine engine airfoil
US9567858B2 (en) 2014-02-19 2017-02-14 United Technologies Corporation Gas turbine engine airfoil
US10605259B2 (en) 2014-02-19 2020-03-31 United Technologies Corporation Gas turbine engine airfoil
WO2015126774A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
WO2015126449A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
US10557477B2 (en) 2014-02-19 2020-02-11 United Technologies Corporation Gas turbine engine airfoil
US10502229B2 (en) 2014-02-19 2019-12-10 United Technologies Corporation Gas turbine engine airfoil
EP3575551B1 (en) 2014-02-19 2021-10-27 Raytheon Technologies Corporation Gas turbine engine airfoil
US10422226B2 (en) 2014-02-19 2019-09-24 United Technologies Corporation Gas turbine engine airfoil
WO2015126452A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108118B1 (en) 2014-02-19 2019-09-18 United Technologies Corporation Gas turbine engine airfoil
US10570916B2 (en) 2014-02-19 2020-02-25 United Technologies Corporation Gas turbine engine airfoil
US10584715B2 (en) 2014-02-19 2020-03-10 United Technologies Corporation Gas turbine engine airfoil
WO2015126941A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108100B1 (en) 2014-02-19 2021-04-14 Raytheon Technologies Corporation Gas turbine engine fan blade
WO2015126454A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
US10280843B2 (en) 2014-03-07 2019-05-07 United Technologies Corporation Geared turbofan with integral front support and carrier
US9879608B2 (en) 2014-03-17 2018-01-30 United Technologies Corporation Oil loss protection for a fan drive gear system
EP2930302A1 (en) * 2014-04-09 2015-10-14 United Technologies Corporation Low noise turbine for geared turbofan engine
US9976490B2 (en) 2014-07-01 2018-05-22 United Technologies Corporation Geared gas turbine engine with oil deaerator
US10060289B2 (en) 2014-07-29 2018-08-28 United Technologies Corporation Geared gas turbine engine with oil deaerator and air removal
CA2996844A1 (en) 2014-08-29 2016-06-16 Tzunum, Inc. Power train for a hybrid-electric aircraft
FR3029576B1 (fr) * 2014-12-04 2016-12-30 Snecma Procede pour reduire le niveau de bruit d'une soufflante de turbomachine
US9915225B2 (en) 2015-02-06 2018-03-13 United Technologies Corporation Propulsion system arrangement for turbofan gas turbine engine
US9470093B2 (en) 2015-03-18 2016-10-18 United Technologies Corporation Turbofan arrangement with blade channel variations
US10371168B2 (en) 2015-04-07 2019-08-06 United Technologies Corporation Modal noise reduction for gas turbine engine
US9874145B2 (en) 2015-04-27 2018-01-23 United Technologies Corporation Lubrication system for gas turbine engines
US10458270B2 (en) 2015-06-23 2019-10-29 United Technologies Corporation Roller bearings for high ratio geared turbofan engine
US10233773B2 (en) 2015-11-17 2019-03-19 United Technologies Corporation Monitoring system for non-ferrous metal particles
US10508562B2 (en) 2015-12-01 2019-12-17 United Technologies Corporation Geared turbofan with four star/planetary gear reduction
US10669948B2 (en) 2017-01-03 2020-06-02 Raytheon Technologies Corporation Geared turbofan with non-epicyclic gear reduction system
US11421627B2 (en) * 2017-02-22 2022-08-23 General Electric Company Aircraft and direct drive engine under wing installation
WO2018175349A1 (en) * 2017-03-19 2018-09-27 Zunum Aero, Inc. Hybrid-electric aircraft, and methods, apparatus and systems for facilitating same
WO2018208889A1 (en) 2017-05-10 2018-11-15 Embry-Riddle Aeronautical University, Inc. Systems and methods for noise mitigation for hybrid and electric aircraft
US10738646B2 (en) 2017-06-12 2020-08-11 Raytheon Technologies Corporation Geared turbine engine with gear driving low pressure compressor and fan at common speed, and failsafe overspeed protection and shear section
US10724445B2 (en) 2018-01-03 2020-07-28 Raytheon Technologies Corporation Method of assembly for fan drive gear system with rotating carrier
US11092020B2 (en) 2018-10-18 2021-08-17 Raytheon Technologies Corporation Rotor assembly for gas turbine engines
CN112664328B (zh) * 2019-10-15 2024-07-23 通用电气公司 用于控制无涵道发动机的系统和方法
US11781506B2 (en) 2020-06-03 2023-10-10 Rtx Corporation Splitter and guide vane arrangement for gas turbine engines
US11827344B2 (en) 2020-12-09 2023-11-28 Textron Innovations Inc. Low noise ducted fan
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly
US12123356B2 (en) 2021-07-19 2024-10-22 Rtx Corporation Gas turbine engine with higher low spool torque-to-thrust ratio
US11754000B2 (en) 2021-07-19 2023-09-12 Rtx Corporation High and low spool configuration for a gas turbine engine
US11719245B2 (en) 2021-07-19 2023-08-08 Raytheon Technologies Corporation Compressor arrangement for a gas turbine engine
FR3130321A1 (fr) * 2021-12-13 2023-06-16 Safran Aircraft Engines Turbomachine non carénée comprenant des aubes de stator présentant des cordes différentes
US20240051673A1 (en) * 2022-08-15 2024-02-15 General Electric Company Gas turbine engine noise reduction

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330475A (en) * 1965-04-12 1967-07-11 United Aircraft Corp Vane construction in turbofan engine
GB1196588A (en) * 1966-11-09 1970-07-01 British Aircraft Corp Ltd Form Improvements relating to Turbo-fan Aircraft Engines
GB1195961A (en) * 1966-12-05 1970-06-24 Rolls Royce Variable Pitch Aerofoil Blades.
GB1113542A (en) * 1967-01-06 1968-05-15 Rolls Royce Gas turbine engine
GB1113087A (en) * 1967-02-27 1968-05-08 Rolls Royce Gas turbine power plant
US3494129A (en) * 1968-03-06 1970-02-10 Gen Electric Fluid compressors and turbofan engines employing same
US3572960A (en) * 1969-01-02 1971-03-30 Gen Electric Reduction of sound in gas turbine engines
GB1257497A (xx) * 1969-04-16 1971-12-22
US3620021A (en) * 1970-04-14 1971-11-16 Rolls Royce Gas turbine engines
US3618699A (en) * 1970-04-27 1971-11-09 Gen Electric Multiple pure tone noise suppression device for an aircraft gas turbine engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4144649A1 (en) * 2021-09-07 2023-03-08 Lilium eAircraft GmbH Shrouded fan engine comprising an acoustic liner
WO2023036721A1 (en) * 2021-09-07 2023-03-16 Lilium Eaircraft Gmbh Shrouded fan engine comprising an acoustic liner

Also Published As

Publication number Publication date
US3747343A (en) 1973-07-24
DE2242219A1 (de) 1973-08-23
FR2171050A1 (xx) 1973-09-21
GB1386481A (en) 1975-03-05
JPS4891800A (xx) 1973-11-29
DE2242219C2 (de) 1983-01-05
FR2171050B1 (xx) 1977-08-26
IT978944B (it) 1974-09-20

Similar Documents

Publication Publication Date Title
SE397666B (sv) Propellerframdrivningsorgan av ledkapetyp med lag bullerniva
SE7601603L (sv) Genomskinliga vattenhaltiga mikroemulsioner eller genomskinliga geler
SE390993B (sv) Spar
SE397504B (sv) Batframdrivningsanordning
FI56719B (fi) Mast eller stolpe foer uppbaerande av belysningsarmatur
SE384187B (sv) Marint framdrivningsaggregat
NO138733C (no) Marin konstruksjon.
SE7508734L (sv) Propeller
SE405584B (sv) Vattenfarkost med planande skrov
SE381234B (sv) Hopfellbar propeller
SE385840B (sv) Framdrivningsanleggning for fartyg
AT341895B (de) Wasserfahrzeug mit drehbaren schwimmkorpern
IT978616B (it) Nave con sezioni rimovibili
IT999160B (it) Elica
BR7302157D0 (pt) Estrutura de casco
BE804563A (fr) Gouvernail de bateau
IT989654B (it) Perfezionamento nei comandi per propulsori per natanti
NO136210C (no) Cellulosesubstrat med forbedret v}tstyrke.
NO137672C (no) Gressklipper med fremdriftsanordning
ES180052Y (es) Embarcacion con medios multiples de propulsion.
BE806685A (fr) Coque de bateau perfectionnee
AT319764B (de) Batterie-elektrisch betriebenes Fahrzeug mit mechanischer Lenkung
ES176020Y (es) Juguete propulsor.
BE796351A (fr) Bateaux
DE7112077U (de) Ruderpropeller