BRPI1012800A2 - turbomáquina, compreendendo pelo menos uma hélice não carenada com palhetas de passo variável - Google Patents

turbomáquina, compreendendo pelo menos uma hélice não carenada com palhetas de passo variável

Info

Publication number
BRPI1012800A2
BRPI1012800A2 BRPI1012800A BRPI1012800A BRPI1012800A2 BR PI1012800 A2 BRPI1012800 A2 BR PI1012800A2 BR PI1012800 A BRPI1012800 A BR PI1012800A BR PI1012800 A BRPI1012800 A BR PI1012800A BR PI1012800 A2 BRPI1012800 A2 BR PI1012800A2
Authority
BR
Brazil
Prior art keywords
uncarnated
turbomachine
propeller
variable pitch
pitch vanes
Prior art date
Application number
BRPI1012800A
Other languages
English (en)
Inventor
Franck Emmanuel Bosco
Olivier Belmonte
Original Assignee
Snecma
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 filed Critical Snecma
Publication of BRPI1012800A2 publication Critical patent/BRPI1012800A2/pt
Publication of BRPI1012800B1 publication Critical patent/BRPI1012800B1/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
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating 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
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • 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
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • 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
    • 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
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/20—Adaptations of gas-turbine plants for driving vehicles
    • F02C6/206—Adaptations of gas-turbine plants for driving vehicles the vehicles being airscrew driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322—Blade mountings
    • F04D29/323—Blade mountings adjustable
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/34—Arrangement of components translated
    • 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
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/79—Bearing, support or actuation arrangements therefor
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
  • Supercharger (AREA)
BRPI1012800-0A 2009-05-15 2010-05-11 Turbomáquina, compreendendo pelo menos uma hélice não carenada com palhetas de passo variável BRPI1012800B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0902361A FR2945512B1 (fr) 2009-05-15 2009-05-15 Helice non carenee a pales a calage variable pour une turbomachine
FR09/02361 2009-05-15
PCT/FR2010/000361 WO2010130893A1 (fr) 2009-05-15 2010-05-11 Hélice non carénée à pales à calage variable pour une turbomachine

Publications (2)

Publication Number Publication Date
BRPI1012800A2 true BRPI1012800A2 (pt) 2016-03-29
BRPI1012800B1 BRPI1012800B1 (pt) 2020-06-23

Family

ID=41462255

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1012800-0A BRPI1012800B1 (pt) 2009-05-15 2010-05-11 Turbomáquina, compreendendo pelo menos uma hélice não carenada com palhetas de passo variável

Country Status (9)

Country Link
US (1) US8864470B2 (pt)
EP (1) EP2430291B1 (pt)
JP (1) JP5564106B2 (pt)
CN (1) CN102428254B (pt)
BR (1) BRPI1012800B1 (pt)
CA (1) CA2761497C (pt)
FR (1) FR2945512B1 (pt)
RU (1) RU2525039C2 (pt)
WO (1) WO2010130893A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2493980B (en) * 2011-08-26 2018-02-14 Ge Aviat Systems Ltd Pitch control of contra-rotating airfoil blades
FR2980818B1 (fr) * 2011-09-29 2016-01-22 Snecma Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes.
FR2980770B1 (fr) * 2011-10-03 2014-06-27 Snecma Turbomachine a helice(s) pour aeronef avec systeme pour changer le pas de l'helice.
FR3013325B1 (fr) * 2013-11-20 2015-11-27 Snecma Dispositif d'alimentation en huile sous pression d'un actionneur lineaire de turbomachine
FR3021296B1 (fr) * 2014-05-21 2017-12-22 Snecma Ensemble de propulsion a doublet d'helices pour aeronef
GB201409449D0 (en) 2014-05-28 2014-07-09 Rolls Royce Deutschland A variable stator vane arrangment
GB2527297B (en) * 2014-06-16 2016-08-17 Rolls Royce Plc An assembly
CN104632682B (zh) * 2015-02-09 2016-06-01 浙江富春江水电设备有限公司 一种可调节的水轮发电机组冷却风扇及其叶片调节方法
FR3036093B1 (fr) * 2015-05-12 2017-06-02 Snecma Dispositif a bras de levier pour la commande de l'orientation des pales de soufflante d'une turbomachine a soufflante non carenee
JP6285500B2 (ja) * 2015-07-08 2018-02-28 ジーイー・アビエイション・システムズ・エルエルシー ピッチ制御組立体及びプロペラ組立体並びにピッチを調整する方法
US10221706B2 (en) * 2015-11-17 2019-03-05 General Electric Company Variable pitch fan actuator
FR3046409B1 (fr) * 2016-01-05 2018-02-09 Safran Aircraft Engines Systeme de commande de l'orientation des pales de soufflante d'une turbomachine a pion de blocage de mise en drapeau
FR3055000B1 (fr) * 2016-08-10 2022-04-01 Safran Aircraft Engines Module de changement de pas pour turbomachine et turbomachine correspondante
US10801339B2 (en) 2017-07-11 2020-10-13 General Electric Company Aircraft gas turbine engine variable fan blade mechanism
CN107600415B (zh) * 2017-09-19 2023-09-29 四川建筑职业技术学院 一种采用交叉变距旋翼结构的可倾转式高机动无人机
FR3133367B1 (fr) * 2022-03-11 2024-08-23 Safran Aircraft Engines Propulseur aeronautique
US12491988B2 (en) * 2022-08-12 2025-12-09 General Electric Company Controlling excitation loads associated with open rotor aeronautical engines
FR3147603A1 (fr) * 2023-04-06 2024-10-11 Safran Aircraft Engines Actionneur à dispositif de verrouillage
US20240426225A1 (en) * 2023-06-26 2024-12-26 Hamilton Sundstrand Corporation Electrical actuation of variable stator vanes

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU73342A2 (ru) * 1948-03-28 1948-11-30 В.Т. Корецкий Механизм дл изменени шага соосных винтов
US3873236A (en) * 1973-12-26 1975-03-25 Gen Electric Fan with variable pitch blades and translating bearing actuation system
US4124330A (en) * 1974-10-09 1978-11-07 United Technologies Corporation Cam-operated pitch-change apparatus
US4021142A (en) * 1974-10-09 1977-05-03 United Technologies Corporation Pitch-change apparatus for a ducted thrust fan
JPS5950899U (ja) * 1982-09-28 1984-04-04 社団法人日本航空宇宙工業会 回転翼のピッチ変換装置
GB2145777B (en) * 1983-08-29 1987-07-22 Gen Electric Aircraft propeller system
US4842484A (en) * 1983-08-29 1989-06-27 General Electric Company Blade gearing and pitch changing mechanisms for coaxial counterrotating propellers
US4591313A (en) * 1983-12-30 1986-05-27 The Boeing Company Propeller pitch control system and apparatus
GB2173863B (en) * 1985-04-17 1989-07-19 Rolls Royce Plc A propeller module for an aero gas turbine engine
US4704067A (en) * 1986-06-16 1987-11-03 Fisher Robin D Helicoidal propeller pitch control mechanism
US4718823A (en) * 1987-02-24 1988-01-12 United Technologies Corporation Pitch changing mechanism for fan blades
US4936746A (en) * 1988-10-18 1990-06-26 United Technologies Corporation Counter-rotation pitch change system
DE3837994A1 (de) * 1988-11-09 1990-05-10 Mtu Muenchen Gmbh Vorrichtung zur verstellung der rotorschaufeln eines propfan/turboproptriebwerkes
JPH02246897A (ja) * 1988-12-29 1990-10-02 General Electric Co <Ge> 航空機推進装置及び方法
SU1698491A1 (ru) * 1989-11-21 1991-12-15 Донецкое Производственное Объединение По Горному Машиностроению Рабочее колесо осевого вентил тора
US5205712A (en) * 1991-05-13 1993-04-27 Allied-Signal Inc. Variable pitch fan gas turbine engine
US5431539A (en) * 1993-10-28 1995-07-11 United Technologies Corporation Propeller pitch change mechanism
JP4200846B2 (ja) * 2003-07-04 2008-12-24 株式会社Ｉｈｉ シュラウドセグメント
FR2908451B1 (fr) * 2006-11-09 2009-03-20 Snecma Sa Turbopropulseur comportant un ensemble de pales a orientation reglable
DE102007011990B4 (de) * 2007-03-09 2019-01-10 Tlt-Turbo Gmbh Vorrichtung zum hydraulischen Verstellen der Laufschaufeln eines Laufrades eines Axialventilators
FR2992677B1 (fr) * 2012-07-02 2016-03-18 Snecma Moyeu pour logement radial d'anneau d'helice de turbomachine a pales a calage variable et assemblage comportant un tel moyeu

Also Published As

Publication number Publication date
EP2430291A1 (fr) 2012-03-21
FR2945512B1 (fr) 2012-08-24
JP2012526697A (ja) 2012-11-01
RU2011151112A (ru) 2013-06-20
US8864470B2 (en) 2014-10-21
BRPI1012800B1 (pt) 2020-06-23
US20120093652A1 (en) 2012-04-19
EP2430291B1 (fr) 2016-08-31
CN102428254B (zh) 2014-08-20
CA2761497A1 (fr) 2010-11-18
CN102428254A (zh) 2012-04-25
RU2525039C2 (ru) 2014-08-10
FR2945512A1 (fr) 2010-11-19
CA2761497C (fr) 2017-04-04
WO2010130893A1 (fr) 2010-11-18
JP5564106B2 (ja) 2014-07-30

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

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