FR3036093B1 - Dispositif a bras de levier pour la commande de l'orientation des pales de soufflante d'une turbomachine a soufflante non carenee - Google Patents

Dispositif a bras de levier pour la commande de l'orientation des pales de soufflante d'une turbomachine a soufflante non carenee

Info

Publication number
FR3036093B1
FR3036093B1 FR1554279A FR1554279A FR3036093B1 FR 3036093 B1 FR3036093 B1 FR 3036093B1 FR 1554279 A FR1554279 A FR 1554279A FR 1554279 A FR1554279 A FR 1554279A FR 3036093 B1 FR3036093 B1 FR 3036093B1
Authority
FR
France
Prior art keywords
blower
carbonated
orientation
controlling
turbomachine
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
FR1554279A
Other languages
English (en)
Other versions
FR3036093A1 (fr
Inventor
Emmanuel Pierre Dimitri Patsouris
Olivier Belmonte
Clementine Charlotte Marie Mouton
Van Thomas Julien Nguyen
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 FR1554279A priority Critical patent/FR3036093B1/fr
Priority to US15/137,302 priority patent/US10443609B2/en
Priority to GB1607832.1A priority patent/GB2538393B/en
Publication of FR3036093A1 publication Critical patent/FR3036093A1/fr
Application granted granted Critical
Publication of FR3036093B1 publication Critical patent/FR3036093B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • 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
    • B64C11/308—Blade pitch-changing mechanisms specially adapted for contrarotating propellers automatic
    • 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
    • B64C11/36—Blade pitch-changing mechanisms mechanical non-automatic
    • 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
    • F02K3/06—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 front fan
    • 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
    • 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1554279A 2015-05-12 2015-05-12 Dispositif a bras de levier pour la commande de l'orientation des pales de soufflante d'une turbomachine a soufflante non carenee Active FR3036093B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1554279A FR3036093B1 (fr) 2015-05-12 2015-05-12 Dispositif a bras de levier pour la commande de l'orientation des pales de soufflante d'une turbomachine a soufflante non carenee
US15/137,302 US10443609B2 (en) 2015-05-12 2016-04-25 Lever arm device for controlling the pitch of fan blades of a turbine engine having an unducted fan
GB1607832.1A GB2538393B (en) 2015-05-12 2016-05-05 A lever arm device for controlling the pitch of fan blades of a turbine engine having an unducted fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1554279A FR3036093B1 (fr) 2015-05-12 2015-05-12 Dispositif a bras de levier pour la commande de l'orientation des pales de soufflante d'une turbomachine a soufflante non carenee

Publications (2)

Publication Number Publication Date
FR3036093A1 FR3036093A1 (fr) 2016-11-18
FR3036093B1 true FR3036093B1 (fr) 2017-06-02

Family

ID=53758404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1554279A Active FR3036093B1 (fr) 2015-05-12 2015-05-12 Dispositif a bras de levier pour la commande de l'orientation des pales de soufflante d'une turbomachine a soufflante non carenee

Country Status (3)

Country Link
US (1) US10443609B2 (fr)
FR (1) FR3036093B1 (fr)
GB (1) GB2538393B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108691806B (zh) * 2018-05-09 2019-10-29 中国航空发动机研究院 采用导轨轮盘和套齿圆管的发动机变结构风扇
FR3107319B1 (fr) * 2020-02-19 2022-08-12 Safran Aircraft Engines Module de turbomachine equipe de systeme de changement de pas des pales d’aubes de stator
FR3125095B1 (fr) * 2020-02-19 2023-10-27 Safran Aircraft Engines Module de turbomachine equipe de systeme de changement de pas des pales d’aubes de stator
US11454280B2 (en) * 2020-06-30 2022-09-27 Textron Innovations Inc. Rotor retention fitting with integral bearing and pitch control
FR3121172B1 (fr) 2021-03-25 2023-02-17 Safran Aircraft Engines Système et procédé de commande de la modification du pas des pales d'une turbomachine
CN113883091B (zh) * 2021-11-02 2024-07-09 中国航发沈阳发动机研究所 一种风扇转子迎角可调的航空发动机
CN114396394B (zh) * 2021-12-21 2024-08-02 中国航发沈阳发动机研究所 一种双涵自由可调静子叶片及机匣结构
CN115264159B (zh) * 2022-08-15 2024-09-06 中国航发沈阳发动机研究所 一种变循环航空发动机内外涵道环形阀门控制结构

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479668A (en) * 1948-06-09 1949-08-23 Evans Prod Co Variable pitch fan blade assembly
GB707844A (en) * 1951-07-13 1954-04-21 Svenska Flaektfabriken Ab Device for reversing fan blades
DK131389C (da) * 1973-01-23 1976-01-26 Nordisk Ventilator Skovlhjul til aksialbleser med indstillelige skovle
US4842484A (en) * 1983-08-29 1989-06-27 General Electric Company Blade gearing and pitch changing mechanisms for coaxial counterrotating propellers
US5431539A (en) * 1993-10-28 1995-07-11 United Technologies Corporation Propeller pitch change mechanism
AUPP433198A0 (en) * 1998-06-25 1998-07-16 Aimbridge Pty Ltd A motor for driving a propeller including a phase adjuster for altering the pitch of the propeller blades
FR2945512B1 (fr) * 2009-05-15 2012-08-24 Snecma Helice non carenee a pales a calage variable pour une turbomachine
FR2946012B1 (fr) * 2009-05-29 2011-06-24 Snecma Dispositif pour la commande de l'orientation des pales de soufflante d'un turbopropulseur
EP2354560A1 (fr) * 2010-01-28 2011-08-10 Siemens Aktiengesellschaft Dispositif d'ajustement d'aubes à calage variable
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
FR2980770B1 (fr) * 2011-10-03 2014-06-27 Snecma Turbomachine a helice(s) pour aeronef avec systeme pour changer le pas de l'helice.
FR2993607B1 (fr) * 2012-07-20 2014-08-22 Snecma Dispostif de transfert thermique entre une canalisation de lubrification et une canalisation hydraulique de commande de verin de calage de pales de turbomachine
FR3021375B1 (fr) * 2014-05-20 2017-03-03 Snecma Palier du type roulement et turbomachine a helice(s) dont les pales sont montees tourillonnantes dans au moins un tel palier.

Also Published As

Publication number Publication date
GB201607832D0 (en) 2016-06-22
FR3036093A1 (fr) 2016-11-18
US20170343008A1 (en) 2017-11-30
GB2538393B (en) 2020-05-06
US10443609B2 (en) 2019-10-15
GB2538393A (en) 2016-11-16

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