FR3046438B1 - Soufflante a calage variable a faible pas d'une turbomachine - Google Patents

Soufflante a calage variable a faible pas d'une turbomachine Download PDF

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Publication number
FR3046438B1
FR3046438B1 FR1650024A FR1650024A FR3046438B1 FR 3046438 B1 FR3046438 B1 FR 3046438B1 FR 1650024 A FR1650024 A FR 1650024A FR 1650024 A FR1650024 A FR 1650024A FR 3046438 B1 FR3046438 B1 FR 3046438B1
Authority
FR
France
Prior art keywords
turbomachine
blower
low
variable timing
blades
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
FR1650024A
Other languages
English (en)
Other versions
FR3046438A1 (fr
Inventor
Romain Guillaume CUVILLIER
Nils Edouard Romain BORDONI
Michel Gilbert Roland Brault
Guillaume Patrice KUBIAK
Arnaud Nicolas NEGRI
Nathalie Nowakowski
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
Safran Aircraft Engines SAS
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 Safran Aircraft Engines SAS, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1650024A priority Critical patent/FR3046438B1/fr
Priority to US16/068,029 priority patent/US10830066B2/en
Priority to PCT/FR2017/050030 priority patent/WO2017118820A1/fr
Publication of FR3046438A1 publication Critical patent/FR3046438A1/fr
Application granted granted Critical
Publication of FR3046438B1 publication Critical patent/FR3046438B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F02K3/06—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
    • 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne une soufflante (2) d'une turbomachine (1), ladite soufflante (2) comprenant : - un disque pourvu de pales (22) à sa périphérie, lesdites pales (22) étant montées à pivotement sur le disque autour d'un axe de pivotement (Y), et - un mécanisme de changement de pas desdites pales (22), ledit mécanisme étant configuré pour ajuster une position angulaire de chaque pale (22) autour de l'axe de pivotement (Y), ladite position angulaire étant comprise dans une plage angulaire de calage (A) inférieure ou égale à 20°.
FR1650024A 2016-01-05 2016-01-05 Soufflante a calage variable a faible pas d'une turbomachine Active FR3046438B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1650024A FR3046438B1 (fr) 2016-01-05 2016-01-05 Soufflante a calage variable a faible pas d'une turbomachine
US16/068,029 US10830066B2 (en) 2016-01-05 2017-01-05 Low-pitch variable-setting fan of a turbine engine
PCT/FR2017/050030 WO2017118820A1 (fr) 2016-01-05 2017-01-05 Soufflante à calage variable à faible pas d'une turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1650024A FR3046438B1 (fr) 2016-01-05 2016-01-05 Soufflante a calage variable a faible pas d'une turbomachine
FR1650024 2016-01-05

Publications (2)

Publication Number Publication Date
FR3046438A1 FR3046438A1 (fr) 2017-07-07
FR3046438B1 true FR3046438B1 (fr) 2019-01-25

Family

ID=55346128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1650024A Active FR3046438B1 (fr) 2016-01-05 2016-01-05 Soufflante a calage variable a faible pas d'une turbomachine

Country Status (1)

Country Link
FR (1) FR3046438B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3115818B1 (fr) 2020-10-30 2023-10-20 Safran Aircraft Engines Soufflante de turbomachine comprenant des pales à calage variable
US11946437B2 (en) 2021-02-15 2024-04-02 General Electric Company Variable pitch fans for turbomachinery engines
US11454195B2 (en) * 2021-02-15 2022-09-27 General Electric Company Variable pitch fans for turbomachinery engines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE849052C (de) * 1949-11-29 1952-09-11 Roger Laboureix Einrichtung zur selbsttaetigen Steigungsaenderung einer Luftschraube
US9200594B2 (en) * 2009-02-27 2015-12-01 Snecma Gas turbine engine having fan blades of adjustable pitch with cyclic setting
FR2967397B1 (fr) * 2010-11-16 2012-11-16 Snecma Dispositif de passage d'une helice en reverse comportant un actuateur agissant sur un maneton
FR2997138B1 (fr) * 2012-10-18 2014-11-14 Snecma Dispositif et procede de commande du calage des pales

Also Published As

Publication number Publication date
FR3046438A1 (fr) 2017-07-07

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