BR112012013757A2 - cubo de hélice com argola poligonal reforçada e turbomáquina equipada com tal cubo - Google Patents

cubo de hélice com argola poligonal reforçada e turbomáquina equipada com tal cubo

Info

Publication number
BR112012013757A2
BR112012013757A2 BR112012013757A BR112012013757A BR112012013757A2 BR 112012013757 A2 BR112012013757 A2 BR 112012013757A2 BR 112012013757 A BR112012013757 A BR 112012013757A BR 112012013757 A BR112012013757 A BR 112012013757A BR 112012013757 A2 BR112012013757 A2 BR 112012013757A2
Authority
BR
Brazil
Prior art keywords
hub
polygonal ring
propeller
turbomachine equipped
reinforced
Prior art date
Application number
BR112012013757A
Other languages
English (en)
Other versions
BR112012013757B1 (pt
Inventor
Eric Jacques Boston
Laurent Jablonski
Michel André Bouru
Philippe Gérard Edmond Joly
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
Priority claimed from FR0958700A external-priority patent/FR2953487B1/fr
Priority claimed from FR0958699A external-priority patent/FR2953486B1/fr
Application filed by Snecma filed Critical Snecma
Publication of BR112012013757A2 publication Critical patent/BR112012013757A2/pt
Publication of BR112012013757B1 publication Critical patent/BR112012013757B1/pt

Links

Classifications

    • 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
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329—Details of the hub
    • 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
    • B64C11/46—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
    • 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
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/026—Aircraft characterised by the type or position of power plants comprising different types of power plants, e.g. combination of a piston engine and a gas-turbine
    • 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
    • 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
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

cubo de hélice com argola poligonal reforçada e turbomáquina equipada com tal cubo. a argola poligonal (17) destinada ao suporte das pás da hélice compõe-se de dois flancos anulares de extremidade (20, 21) espaçados paralelamente um do outro e entre os quais são diametralmente solidarizados, por zonas de ancoragem (30), anéis (23) com alojamentos cilíndricos radiais (24), equi-angularmente distribuídos para a recepção das referidas pás, e separados por recessos atravessantes (33). de acordo com a invenção, areferida argola poligonal (17) comporta, além disso, elementos de reforço (26) dispostos nos referidos recessos atravessantes (33) e ligados aos referidos anéis correspondentes (23).
BR112012013757-3A 2009-12-07 2010-12-06 Cubo de hélice com anel poligonal reforçado e turbomáquina equipada com tal cubo BR112012013757B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR0958700 2009-12-07
FR0958700A FR2953487B1 (fr) 2009-12-07 2009-12-07 Moyeu d'helice a anneau polygonal renforce et turbomachine equipee d'un tel moyeu.
FR0958699A FR2953486B1 (fr) 2009-12-07 2009-12-07 Moyeu d'helice a anneau polygonal plein et turbomachine equipee d'un tel moyeu
FR0958699 2009-12-07
PCT/EP2010/069008 WO2011069981A1 (fr) 2009-12-07 2010-12-06 Moyeu d'hélice a anneau polygonal renforce et turbomachine équipée d'un tel moyeu

Publications (2)

Publication Number Publication Date
BR112012013757A2 true BR112012013757A2 (pt) 2016-03-15
BR112012013757B1 BR112012013757B1 (pt) 2022-08-09

Family

ID=43480853

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012013757-3A BR112012013757B1 (pt) 2009-12-07 2010-12-06 Cubo de hélice com anel poligonal reforçado e turbomáquina equipada com tal cubo

Country Status (8)

Country Link
US (1) US9255583B2 (pt)
EP (1) EP2509860B1 (pt)
JP (1) JP5732067B2 (pt)
CN (1) CN102666276B (pt)
BR (1) BR112012013757B1 (pt)
CA (1) CA2782249C (pt)
RU (1) RU2559904C2 (pt)
WO (1) WO2011069981A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201118386D0 (en) * 2011-10-25 2011-12-07 Rolls Royce Plc A support ring for a rotary assembly
FR3002781B1 (fr) * 2013-03-01 2017-06-23 Snecma Aubage a calage variable
FR3021295B1 (fr) 2014-05-21 2016-05-13 Snecma Moyeu raidi pour helice non carenee a pales a calage variable de turbomachine.
FR3027948B1 (fr) * 2014-10-31 2020-10-16 Snecma Anneau d'helice en materiau composite pour une turbomachine
FR3032941B1 (fr) 2015-02-24 2017-03-10 Snecma Soufflante non carenee de turbomachine d'aeronef
US10800539B2 (en) * 2016-08-19 2020-10-13 General Electric Company Propulsion engine for an aircraft
RU2667999C1 (ru) * 2017-10-19 2018-09-25 Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" Узел соединения композитной лопасти с металлической ступицей гребного винта
US11286795B2 (en) * 2019-10-15 2022-03-29 General Electric Company Mount for an airfoil

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1118374A (en) * 1909-10-14 1914-11-24 Anthony R Silverston Fluid-displacing motor.
SU771708A1 (ru) * 1978-11-02 1980-10-15 Ленинградский Ордена Ленина Кораблестроительный Институт Рабочее колесо осевой турбомашины дл экспериментальных исследований
US4422828A (en) * 1981-10-09 1983-12-27 Sambell Kenneth W Method of and apparatus for increasing propulsive efficiency of aircraft propellers
US4863352A (en) * 1984-11-02 1989-09-05 General Electric Company Blade carrying means
FR2605586B1 (fr) * 1986-10-22 1990-11-30 Snecma Anneau porte-pales pour aubage d'helice de grande dimension
CN1043479A (zh) * 1988-12-14 1990-07-04 通用电气公司 桨叶安装系统
US5263898A (en) 1988-12-14 1993-11-23 General Electric Company Propeller blade retention system
JPH02246897A (ja) 1988-12-29 1990-10-02 General Electric Co <Ge> 航空機推進装置及び方法
US5112191A (en) 1989-04-11 1992-05-12 General Electric Company Rotating cowling
US5082424A (en) 1989-06-05 1992-01-21 General Electric Company Connection system for aircraft propeller blades
US5152668A (en) * 1990-07-23 1992-10-06 General Electric Company Pitch change mechanism for prop fans
US5224831A (en) * 1990-10-04 1993-07-06 General Electric Company Fan blade protection system
FR2943984B1 (fr) * 2009-04-07 2013-02-08 Airbus France Helice pour turbomachine d'aeronef comprenant un moyeu support d'aubes scinde en deux portions annulaires montees l'une sur l'autre.

Also Published As

Publication number Publication date
CA2782249C (fr) 2017-10-31
US20120257975A1 (en) 2012-10-11
JP5732067B2 (ja) 2015-06-10
RU2012128577A (ru) 2014-01-20
CA2782249A1 (fr) 2011-06-16
EP2509860A1 (fr) 2012-10-17
BR112012013757B1 (pt) 2022-08-09
JP2013513065A (ja) 2013-04-18
WO2011069981A1 (fr) 2011-06-16
US9255583B2 (en) 2016-02-09
RU2559904C2 (ru) 2015-08-20
EP2509860B1 (fr) 2017-07-19
CN102666276B (zh) 2016-04-13
CN102666276A (zh) 2012-09-12

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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]
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 06/12/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.