FR3080885B1 - Rotor avec actionnement radial des aubes - Google Patents

Rotor avec actionnement radial des aubes Download PDF

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Publication number
FR3080885B1
FR3080885B1 FR1853814A FR1853814A FR3080885B1 FR 3080885 B1 FR3080885 B1 FR 3080885B1 FR 1853814 A FR1853814 A FR 1853814A FR 1853814 A FR1853814 A FR 1853814A FR 3080885 B1 FR3080885 B1 FR 3080885B1
Authority
FR
France
Prior art keywords
rotor
radial blade
blade actuation
actuation
radial
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
FR1853814A
Other languages
English (en)
Other versions
FR3080885A1 (fr
Inventor
Stephane Rousselin
Olivier Richard Lefebvre
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
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 filed Critical Safran Aircraft Engines SAS
Priority to FR1853814A priority Critical patent/FR3080885B1/fr
Publication of FR3080885A1 publication Critical patent/FR3080885A1/fr
Application granted granted Critical
Publication of FR3080885B1 publication Critical patent/FR3080885B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
    • 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
    • F01D7/02—Rotors with blades adjustable in operation; Control thereof having adjustment responsive to speed
    • 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
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1853814A 2018-05-03 2018-05-03 Rotor avec actionnement radial des aubes Active FR3080885B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1853814A FR3080885B1 (fr) 2018-05-03 2018-05-03 Rotor avec actionnement radial des aubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1853814 2018-05-03
FR1853814A FR3080885B1 (fr) 2018-05-03 2018-05-03 Rotor avec actionnement radial des aubes

Publications (2)

Publication Number Publication Date
FR3080885A1 FR3080885A1 (fr) 2019-11-08
FR3080885B1 true FR3080885B1 (fr) 2022-07-08

Family

ID=62948250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1853814A Active FR3080885B1 (fr) 2018-05-03 2018-05-03 Rotor avec actionnement radial des aubes

Country Status (1)

Country Link
FR (1) FR3080885B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873236A (en) * 1973-12-26 1975-03-25 Gen Electric Fan with variable pitch blades and translating bearing actuation system
US7341426B2 (en) * 2004-12-29 2008-03-11 United Technologies Corporation Gas turbine engine blade tip clearance apparatus and method
FR2940350B1 (fr) * 2008-12-23 2011-03-18 Snecma Roue mobile de turbomachine a aubes en materiau composite munie d'un anneau ressort.
FR2946010B1 (fr) * 2009-05-29 2011-06-24 Snecma Dispositif a verin fixe pour la commande des pales de soufflante d'un turbopropulseur
US8939715B2 (en) * 2010-03-22 2015-01-27 General Electric Company Active tip clearance control for shrouded gas turbine blades and related method

Also Published As

Publication number Publication date
FR3080885A1 (fr) 2019-11-08

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