BR112015031404A2 - pivô para uma pá de hélice áerea, hélice áerea, e, turbopropulsor de aeronave - Google Patents

pivô para uma pá de hélice áerea, hélice áerea, e, turbopropulsor de aeronave

Info

Publication number
BR112015031404A2
BR112015031404A2 BR112015031404A BR112015031404A BR112015031404A2 BR 112015031404 A2 BR112015031404 A2 BR 112015031404A2 BR 112015031404 A BR112015031404 A BR 112015031404A BR 112015031404 A BR112015031404 A BR 112015031404A BR 112015031404 A2 BR112015031404 A2 BR 112015031404A2
Authority
BR
Brazil
Prior art keywords
pivot
air
air propeller
blade
propeller
Prior art date
Application number
BR112015031404A
Other languages
English (en)
Other versions
BR112015031404B1 (pt
Inventor
Laurenceau Adrien
Jacques Philippe Fabre Adrien
Jacquemard Christophe
Tajan Sébastien
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 BR112015031404A2 publication Critical patent/BR112015031404A2/pt
Publication of BR112015031404B1 publication Critical patent/BR112015031404B1/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
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B64C11/34—Blade pitch-changing mechanisms mechanical automatic
    • B64C11/346—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces
    • 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
    • B64C11/34—Blade pitch-changing mechanisms mechanical automatic
    • 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
    • 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
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • 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
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • F04D29/366—Adjustment by interaction of inertion and lift
    • 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]
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Toys (AREA)

Abstract

1 / 1 resumo “piv㔠para uma pだde hã‰lice ãerea, hã‰lice ãerea, e, turbopropulsor de aeronave” a invenã§ã£o refere-se a um pivã´ (30) para uma pã¡ de hã©lice aã©rea, compreendendo um suporte rotativo (36) a ser montado radialmente em um cubo de hã©lice aã©rea, enquanto sendo capaz de pivotar em torno de um eixo geomã©trico pivotante (z); e um suporte de pã¡ (38) compreendendo um alojamento (40) para receber uma raiz de pã¡ e pelo menos um braã§o (34a, 34b) estendendo-se lateralmente em relaã§ã£o ao eixo geomã©trico pivotante e contendo um peso de equilã­brio (32) formando um contrapeso; o braã§o e seu peso de equilã­brio apresentando o formato geomã©trico geral de uma calota esfã©rica.
BR112015031404-0A 2013-06-17 2014-06-12 Pivô para uma pá de hélice aérea, hélice aérea, e, turbopropulsor de aeronave BR112015031404B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1355627 2013-06-17
FR1355627A FR3006988B1 (fr) 2013-06-17 2013-06-17 Pivot de pale d'helice aerienne en forme de calotte spherique
PCT/FR2014/051441 WO2014202873A1 (fr) 2013-06-17 2014-06-12 Pivot de pale d'helice aerienne en forme de calotte spherique

Publications (2)

Publication Number Publication Date
BR112015031404A2 true BR112015031404A2 (pt) 2017-07-25
BR112015031404B1 BR112015031404B1 (pt) 2022-02-15

Family

ID=49546502

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015031404-0A BR112015031404B1 (pt) 2013-06-17 2014-06-12 Pivô para uma pá de hélice aérea, hélice aérea, e, turbopropulsor de aeronave

Country Status (9)

Country Link
US (1) US9938000B2 (pt)
EP (1) EP3010799B1 (pt)
JP (1) JP6453866B2 (pt)
CN (1) CN105377695B (pt)
BR (1) BR112015031404B1 (pt)
CA (1) CA2914699C (pt)
FR (1) FR3006988B1 (pt)
RU (1) RU2658195C2 (pt)
WO (1) WO2014202873A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3046439B1 (fr) * 2016-01-05 2019-01-25 Safran Aircraft Engines Soufflante a calage variable a faible pas d'un turboreacteur
FR3048228B1 (fr) * 2016-02-25 2018-03-09 Safran Aircraft Engines Moyeu d'helice a pales a calage variable avec variation radiale et axiale de dimensionnement
FR3100563B1 (fr) 2019-09-06 2021-08-06 Safran Aircraft Engines Moyeu polysphérique de turbomachine pour pales à calage variable
FR3107724B1 (fr) 2020-02-27 2022-06-24 Safran Aircraft Engines Rotor de soufflante à aubes à calage variable et turbomachine équipée d’un tel rotor
FR3112809B1 (fr) * 2020-07-23 2022-07-29 Safran Aircraft Engines Module de turbomachine equipe d’une helice et d’aubes de stator supportees par des moyens de maintien et turbomachine correspondante
US11697996B2 (en) 2020-08-25 2023-07-11 General Electric Company Blade dovetail and retention apparatus
FR3129433B1 (fr) 2021-11-19 2023-10-27 Safran Aircraft Engines Aube de soufflante munie d’un ergot anti-pivotement.
CN115042959A (zh) * 2022-06-22 2022-09-13 亿航智能设备（广州）有限公司 一种电控变距螺旋桨、多轴飞行器及其控制方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU23781A1 (ru) * 1930-07-08 1931-10-31 К.И. Несытов Устройство дл автоматического поворота лопастей пропеллера
US2844303A (en) * 1952-08-27 1958-07-22 Nordisk Ventilator Axial blowers or fans
FR1354427A (fr) 1963-04-03 1964-03-06 Hoechst Ag Utilisation de produits de condensation de protéines et d'acides gras comme matières premières détersives pour produits cosmétiques
FR1354428A (fr) 1963-04-03 1964-03-06 Sperry Rand Corp Appareil réagissant à un signal oscillatoire
FR2105914A5 (pt) * 1970-08-22 1972-04-28 Dowty Rotol Ltd
US4019832A (en) * 1976-02-27 1977-04-26 General Electric Company Platform for a turbomachinery blade
US4650402A (en) * 1984-03-12 1987-03-17 Trw Inc. Aircraft propeller with blade pitch adjustment for feather and reverse positions
US4863352A (en) * 1984-11-02 1989-09-05 General Electric Company Blade carrying means
US20100003139A1 (en) * 2008-07-03 2010-01-07 Rotating Composite Technologies, Llc Propulsor devices having variable pitch fan blades with spherical support and damping surfaces
FR2948425B1 (fr) * 2009-07-22 2011-09-23 Airbus Operations Sas Dispositif de retenue d'aube pour helice de turbomachine
FR2957329B1 (fr) * 2010-03-15 2012-08-03 Snecma Mecanisme de calage variable de pales pour systeme d'helices contrarotatives et systeme d'helices contrarotatives comportant au moins un tel mecanisme
US9765624B2 (en) * 2012-10-10 2017-09-19 Snecma Propeller comprising a counterweight system provided with an air discharge channel
FR2996584A1 (fr) * 2012-10-10 2014-04-11 Snecma Cale pour pied de pale ajouree
US9598967B2 (en) * 2012-12-18 2017-03-21 United Technologies Corporation Airfoil member and composite platform having contoured endwall
US9458730B2 (en) * 2013-01-07 2016-10-04 Hamilton Sundstrand Corporation Propeller blade with relatively movable counterweight
FR3002781B1 (fr) * 2013-03-01 2017-06-23 Snecma Aubage a calage variable
FR3005684B1 (fr) * 2013-05-17 2015-06-05 Snecma Pivot de pale d'helice
US9527579B2 (en) * 2013-10-25 2016-12-27 Hamilton Sundstrand Corporation Pivoting blade counterweight

Also Published As

Publication number Publication date
US9938000B2 (en) 2018-04-10
RU2016101196A (ru) 2017-07-19
RU2016101196A3 (pt) 2018-03-19
FR3006988B1 (fr) 2015-07-03
EP3010799B1 (fr) 2018-11-07
JP2016528084A (ja) 2016-09-15
US20160121999A1 (en) 2016-05-05
CA2914699A1 (fr) 2014-12-24
FR3006988A1 (fr) 2014-12-19
RU2658195C2 (ru) 2018-06-19
CN105377695B (zh) 2018-01-23
JP6453866B2 (ja) 2019-01-16
CA2914699C (fr) 2021-06-08
WO2014202873A1 (fr) 2014-12-24
CN105377695A (zh) 2016-03-02
BR112015031404B1 (pt) 2022-02-15
EP3010799A1 (fr) 2016-04-27

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
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 12/06/2014, OBSERVADAS AS CONDICOES LEGAIS.