BR112017012436B8 - Turbomáquina - Google Patents

Turbomáquina

Info

Publication number
BR112017012436B8
BR112017012436B8 BR112017012436A BR112017012436A BR112017012436B8 BR 112017012436 B8 BR112017012436 B8 BR 112017012436B8 BR 112017012436 A BR112017012436 A BR 112017012436A BR 112017012436 A BR112017012436 A BR 112017012436A BR 112017012436 B8 BR112017012436 B8 BR 112017012436B8
Authority
BR
Brazil
Prior art keywords
turbomachine
blade
propeller
upstream
upstream propeller
Prior art date
Application number
BR112017012436A
Other languages
English (en)
Other versions
BR112017012436A2 (pt
BR112017012436B1 (pt
Inventor
Francine Vion Laurence
Simon Paul Gruber Mathieu
Original Assignee
Safran Aircraft Engines
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 filed Critical Safran Aircraft Engines
Publication of BR112017012436A2 publication Critical patent/BR112017012436A2/pt
Publication of BR112017012436B1 publication Critical patent/BR112017012436B1/pt
Publication of BR112017012436B8 publication Critical patent/BR112017012436B8/pt

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
    • 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
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • 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
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • 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
    • 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
    • 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

Abstract

a presente invenção se refere a uma turbomáquina (1) que compreende pelo menos duas hélices não carenadas (10, 11) sendo uma hélice a montante (10) e uma hélice a jusante (11), sendo que a hélice a montante (10) compreende uma pluralidade de pás (2) em que pelo menos uma primeira pá apresenta um comprimento diferente de pelo menos uma segunda pá.
BR112017012436A 2014-12-17 2015-12-17 Turbomáquina BR112017012436B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1462652A FR3030446B1 (fr) 2014-12-17 2014-12-17 Turbomachine a helice multi-diametres
FR1462652 2014-12-17
PCT/FR2015/053600 WO2016097635A1 (fr) 2014-12-17 2015-12-17 Turbomachine à hélice multi-diamètres

Publications (3)

Publication Number Publication Date
BR112017012436A2 BR112017012436A2 (pt) 2018-01-02
BR112017012436B1 BR112017012436B1 (pt) 2021-12-14
BR112017012436B8 true BR112017012436B8 (pt) 2022-02-15

Family

ID=52477966

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017012436A BR112017012436B8 (pt) 2014-12-17 2015-12-17 Turbomáquina

Country Status (9)

Country Link
US (1) US10494086B2 (pt)
EP (1) EP3233627B1 (pt)
JP (1) JP6758293B2 (pt)
CN (1) CN107108015B (pt)
BR (1) BR112017012436B8 (pt)
CA (1) CA2970092C (pt)
FR (1) FR3030446B1 (pt)
RU (1) RU2718866C2 (pt)
WO (1) WO2016097635A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3030446B1 (fr) * 2014-12-17 2018-06-01 Safran Aircraft Engines Turbomachine a helice multi-diametres
US10633083B2 (en) * 2017-09-28 2020-04-28 Intel IP Corporation Unmanned aerial vehicle and method for driving an unmanned aerial vehicle
FR3078101B1 (fr) * 2018-02-16 2020-11-27 Safran Aircraft Engines Turbomachine a bec de separation de flux a profil en serrations
US20210009263A1 (en) * 2019-07-12 2021-01-14 Dotterel Technologies Limited Rotor system
FR3125089A1 (fr) * 2021-07-06 2023-01-13 Safran Aircraft Engines Propulseur aeronautique
FR3125090B1 (fr) * 2021-07-06 2024-03-29 Safran Aircraft Engines Propulseur aeronautique
FR3125091A1 (fr) * 2021-07-06 2023-01-13 Safran Aircraft Engines Propulseur aeronautique

Family Cites Families (37)

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US921423A (en) * 1907-01-22 1909-05-11 John Barnes Screw-propeller.
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US1946571A (en) * 1932-08-29 1934-02-13 Emil A Briner Propeller with auxiliary blades applicable to driving aircraft
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US4486146A (en) * 1980-08-08 1984-12-04 British Aerospace Public Limited Company Aircraft propulsion means
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US4883240A (en) * 1985-08-09 1989-11-28 General Electric Company Aircraft propeller noise reduction
GB2182727B (en) * 1985-11-12 1989-09-27 Gen Electric Propeller/fan pitch feathering apparatus
DE3716326A1 (de) * 1987-05-15 1988-12-01 Schempp Hirth Gmbh & Co Kg Propeller
DE3832026A1 (de) 1988-09-21 1990-03-22 Bosch Gmbh Robert Luefterrad
US4901920A (en) * 1989-02-13 1990-02-20 Snow Machines Incorporated Snow making apparatus and methods
JPH0672799U (ja) * 1993-03-29 1994-10-11 科学技術庁航空宇宙技術研究所長 二重反転プロペラ推力変換装置
US5482436A (en) * 1993-12-30 1996-01-09 Acme Engineering & Manufacturing Corp. High specific speed fan propeller having auxiliary blades
DE4420219A1 (de) * 1994-06-06 1995-12-07 Stemme Gmbh & Co Kg Luftfahrzeug
US5620303A (en) * 1995-12-11 1997-04-15 Sikorsky Aircraft Corporation Rotor system having alternating length rotor blades for reducing blade-vortex interaction (BVI) noise
US5735670A (en) * 1995-12-11 1998-04-07 Sikorsky Aircraft Corporation Rotor system having alternating length rotor blades and positioning means therefor for reducing blade-vortex interaction (BVI) noise
IT1303441B1 (it) * 1998-12-03 2000-11-06 Vladimiro Lidak Rotore principale monopala per elicotteri
FR2892705B1 (fr) * 2005-11-03 2009-04-24 Airbus France Sas Aeronef a impact environnemental reduit.
DK176357B1 (da) * 2005-11-21 2007-09-24 Lm Glasfiber As Et vindenergianlæg med ekstra sæt vinger
US8608441B2 (en) * 2006-06-12 2013-12-17 Energyield Llc Rotatable blade apparatus with individually adjustable blades
GB0702608D0 (en) * 2007-02-10 2007-03-21 Rolls Royce Plc Aeroengine
US8661781B2 (en) * 2009-02-13 2014-03-04 The Boeing Company Counter rotating fan design and variable blade row spacing optimization for low environmental impact
US8821118B2 (en) * 2009-12-21 2014-09-02 The Boeing Company Optimization of downstream open fan propeller position
FR2958980B1 (fr) * 2010-04-14 2013-03-15 Snecma Dispositif redresseur pour turbomachine
FR2963067B1 (fr) * 2010-07-23 2012-08-24 Snecma Turbomoteur a double helice non carenee
GB2482333A (en) * 2010-07-30 2012-02-01 Ge Aviat Systems Ltd Aircraft propeller
FR2974060B1 (fr) * 2011-04-15 2013-11-22 Snecma Dispositif de propulsion a helices contrarotatives et coaxiales non-carenees
FR2980818B1 (fr) 2011-09-29 2016-01-22 Snecma Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes.
FR2999151B1 (fr) 2012-12-07 2017-01-27 Snecma Pale d'helice pour turbomachine
FR3006292B1 (fr) * 2013-05-30 2017-01-27 Eurocopter France Giravion a voilure tournante muni d'une pluralite d'helices
US9714575B2 (en) * 2013-11-27 2017-07-25 Hamilton Sundstrand Corporation Differential blade design for propeller noise reduction
US20150344127A1 (en) * 2014-05-31 2015-12-03 General Electric Company Aeroelastically tailored propellers for noise reduction and improved efficiency in a turbomachine
FR3030446B1 (fr) * 2014-12-17 2018-06-01 Safran Aircraft Engines Turbomachine a helice multi-diametres
US10604245B2 (en) * 2016-12-30 2020-03-31 Wing Aviation Llc Rotor units having asymmetric rotor blades
US10837459B2 (en) * 2017-10-06 2020-11-17 Pratt & Whitney Canada Corp. Mistuned fan for gas turbine engine

Also Published As

Publication number Publication date
US10494086B2 (en) 2019-12-03
FR3030446B1 (fr) 2018-06-01
EP3233627A1 (fr) 2017-10-25
BR112017012436A2 (pt) 2018-01-02
CA2970092C (fr) 2022-08-16
JP2018501142A (ja) 2018-01-18
JP6758293B2 (ja) 2020-09-23
RU2017124871A3 (pt) 2019-05-30
RU2017124871A (ru) 2019-01-17
BR112017012436B1 (pt) 2021-12-14
CN107108015B (zh) 2019-03-08
RU2718866C2 (ru) 2020-04-15
FR3030446A1 (fr) 2016-06-24
WO2016097635A1 (fr) 2016-06-23
EP3233627B1 (fr) 2018-10-17
CA2970092A1 (fr) 2016-06-23
CN107108015A (zh) 2017-08-29
US20170369153A1 (en) 2017-12-28

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09W Correction of the decision to grant [chapter 9.1.4 patent gazette]

Free format text: RETIFICACAO DA PUBLICACAO (9.1)

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/12/2015, OBSERVADAS AS CONDICOES LEGAIS.

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: REF. RPI 2658 DE 14/12/2021 QUANTO AOS DESENHOS.