FR3025246B1 - Roue aubagee a calages variables - Google Patents

Roue aubagee a calages variables

Info

Publication number
FR3025246B1
FR3025246B1 FR1458125A FR1458125A FR3025246B1 FR 3025246 B1 FR3025246 B1 FR 3025246B1 FR 1458125 A FR1458125 A FR 1458125A FR 1458125 A FR1458125 A FR 1458125A FR 3025246 B1 FR3025246 B1 FR 3025246B1
Authority
FR
France
Prior art keywords
aubagee
calibrations
variable
wheel
variable calibrations
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1458125A
Other languages
English (en)
Other versions
FR3025246A1 (fr
Inventor
Clement Marcel Maurice Dejeu
Jonathan Evert Vlastuin
Mathieu Simon Paul Gruber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SAS filed Critical SNECMA SAS
Priority to FR1458125A priority Critical patent/FR3025246B1/fr
Priority to US15/506,937 priority patent/US11046424B2/en
Priority to GB1703239.2A priority patent/GB2543725B/en
Priority to PCT/FR2015/052296 priority patent/WO2016030645A1/fr
Publication of FR3025246A1 publication Critical patent/FR3025246A1/fr
Application granted granted Critical
Publication of FR3025246B1 publication Critical patent/FR3025246B1/fr
Priority to US17/341,277 priority patent/US11772777B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/24—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like
    • F01D1/26—Non-positive-displacement machines or engines, e.g. steam turbines characterised by counter-rotating rotors subjected to same working fluid stream without intermediate stator blades or the like traversed by the working-fluid substantially axially
    • 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
    • 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
    • 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
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/325—Application in turbines in gas turbines to drive unshrouded, high solidity propeller
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • 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
    • F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05D2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
    • 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
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
FR1458125A 2014-08-29 2014-08-29 Roue aubagee a calages variables Active FR3025246B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1458125A FR3025246B1 (fr) 2014-08-29 2014-08-29 Roue aubagee a calages variables
US15/506,937 US11046424B2 (en) 2014-08-29 2015-08-28 Variable pitch bladed disc
GB1703239.2A GB2543725B (en) 2014-08-29 2015-08-28 Variable pitch bladed disc
PCT/FR2015/052296 WO2016030645A1 (fr) 2014-08-29 2015-08-28 Roue aubagée à calages variables
US17/341,277 US11772777B2 (en) 2014-08-29 2021-06-07 Variable pitch bladed disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1458125A FR3025246B1 (fr) 2014-08-29 2014-08-29 Roue aubagee a calages variables

Publications (2)

Publication Number Publication Date
FR3025246A1 FR3025246A1 (fr) 2016-03-04
FR3025246B1 true FR3025246B1 (fr) 2016-12-09

Family

ID=52130364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1458125A Active FR3025246B1 (fr) 2014-08-29 2014-08-29 Roue aubagee a calages variables

Country Status (4)

Country Link
US (2) US11046424B2 (fr)
FR (1) FR3025246B1 (fr)
GB (1) GB2543725B (fr)
WO (1) WO2016030645A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3002781B1 (fr) * 2013-03-01 2017-06-23 Snecma Aubage a calage variable
FR3025246B1 (fr) 2014-08-29 2016-12-09 Snecma Roue aubagee a calages variables
FR3025247B1 (fr) * 2014-08-29 2016-11-11 Snecma Roue aubagee a calages variables
US9745050B2 (en) 2015-12-18 2017-08-29 Amazon Technologies, Inc. Selecting propellers for performance and noise shaping
US10232931B2 (en) * 2015-12-18 2019-03-19 Amazon Technologies, Inc. Selecting propellers for performance and noise shaping
US11305874B2 (en) 2016-03-23 2022-04-19 Amazon Technologies, Inc. Aerial vehicle adaptable propeller blades
US10723440B2 (en) 2016-03-23 2020-07-28 Amazon Technologies, Inc. Aerial vehicle with different propeller blade configurations
US10583914B2 (en) 2016-03-23 2020-03-10 Amazon Technologies, Inc. Telescoping propeller blades for aerial vehicles
US10526070B2 (en) 2016-03-23 2020-01-07 Amazon Technologies, Inc. Aerial vehicle propulsion mechanism with coaxially aligned propellers
US10399666B2 (en) 2016-03-23 2019-09-03 Amazon Technologies, Inc. Aerial vehicle propulsion mechanism with coaxially aligned and independently rotatable propellers
US10358926B2 (en) * 2017-08-11 2019-07-23 General Electric Company Low-noise airfoil for an open rotor
US11834965B2 (en) * 2020-08-25 2023-12-05 General Electric Company Blade dovetail and retention apparatus
CN114987742B (zh) * 2022-08-08 2022-11-04 陕西科技大学 一种飞行器头部偏转控制方法及结构

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982361A (en) * 1958-12-19 1961-05-02 United Aircraft Corp Variable camber blading
DE1251767B (de) 1964-02-28 1968-04-18 Dr Karl Thomae Gesellschaft mit beschrankter Haftung Biberach/Riß Verfahren zur Herstellung von neuen m 6 Stellung substituierten 5 6 Dihydro-5oxo HH pyrido[2,3-b] [l,5]benzodiazepinen
WO1984002752A1 (fr) * 1982-12-30 1984-07-19 Grp Interet Econom Aerogenerat Perfectionnements aux moteurs a vent et aerogenerateurs
US4767270A (en) * 1986-04-16 1988-08-30 The Boeing Company Hoop fan jet engine
DE3801353C1 (fr) * 1988-01-19 1989-03-23 Rhein-Flugzeugbau Gmbh, 4050 Moenchengladbach, De
US4936746A (en) * 1988-10-18 1990-06-26 United Technologies Corporation Counter-rotation pitch change system
JPH10513522A (ja) * 1995-01-25 1998-12-22 マギビュー プロプライアタリー リミテッド インペラー
FR2942454B1 (fr) * 2009-02-23 2012-09-14 Airbus France Dispositif de retenue d'aube pour helice de turbomachine.
FR2973333B1 (fr) * 2011-03-29 2014-08-01 Snecma Systeme pour changer le pas d'helices contrarotatives d'un turbomoteur
US9022738B1 (en) * 2011-12-23 2015-05-05 The United States Of America As Represented By The Secretary Of The Navy Marine propulsion-and-control system implementing articulated variable-pitch propellers
FR2992346B1 (fr) * 2012-06-22 2016-12-23 Snecma Helice non carenee de turbomachine d'aeronef presentant des pieds de pales refroidis par des conduits d'air de refroidissement traversant les pales
FR3002781B1 (fr) * 2013-03-01 2017-06-23 Snecma Aubage a calage variable
US20160007694A1 (en) 2013-03-01 2016-01-14 J & P Coats Limited Zip fastener
US9714575B2 (en) * 2013-11-27 2017-07-25 Hamilton Sundstrand Corporation Differential blade design for propeller noise reduction
FR3025246B1 (fr) 2014-08-29 2016-12-09 Snecma Roue aubagee a calages variables

Also Published As

Publication number Publication date
US11772777B2 (en) 2023-10-03
GB2543725A (en) 2017-04-26
FR3025246A1 (fr) 2016-03-04
US11046424B2 (en) 2021-06-29
US20170274980A1 (en) 2017-09-28
WO2016030645A1 (fr) 2016-03-03
GB2543725B (en) 2020-05-20
US20210291962A1 (en) 2021-09-23
GB201703239D0 (en) 2017-04-12

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