FR2981684B1 - Systeme de commande d'incidence de pale de turbomachine et turbomachine - Google Patents

Systeme de commande d'incidence de pale de turbomachine et turbomachine

Info

Publication number
FR2981684B1
FR2981684B1 FR1159575A FR1159575A FR2981684B1 FR 2981684 B1 FR2981684 B1 FR 2981684B1 FR 1159575 A FR1159575 A FR 1159575A FR 1159575 A FR1159575 A FR 1159575A FR 2981684 B1 FR2981684 B1 FR 2981684B1
Authority
FR
France
Prior art keywords
turbomachine blade
control system
implant control
turbomachine
blade
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
FR1159575A
Other languages
English (en)
Other versions
FR2981684A1 (fr
Inventor
Pascal Marly
Denis Louis Bocquet
Caroline Frantz
Gouellec Gilles Le
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 FR1159575A priority Critical patent/FR2981684B1/fr
Priority to US13/654,830 priority patent/US9200525B2/en
Priority to GB1218843.9A priority patent/GB2495852B/en
Publication of FR2981684A1 publication Critical patent/FR2981684A1/fr
Application granted granted Critical
Publication of FR2981684B1 publication Critical patent/FR2981684B1/fr
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
    • B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
    • B64C11/385—Blade pitch-changing mechanisms fluid, e.g. hydraulic comprising feathering, braking or stopping systems
    • 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
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
FR1159575A 2011-10-21 2011-10-21 Systeme de commande d'incidence de pale de turbomachine et turbomachine Active FR2981684B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1159575A FR2981684B1 (fr) 2011-10-21 2011-10-21 Systeme de commande d'incidence de pale de turbomachine et turbomachine
US13/654,830 US9200525B2 (en) 2011-10-21 2012-10-18 Turbomachine blade incidence control system and turbomachine
GB1218843.9A GB2495852B (en) 2011-10-21 2012-10-19 Turbomachine blade incidence control system and turbomachine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1159575A FR2981684B1 (fr) 2011-10-21 2011-10-21 Systeme de commande d'incidence de pale de turbomachine et turbomachine

Publications (2)

Publication Number Publication Date
FR2981684A1 FR2981684A1 (fr) 2013-04-26
FR2981684B1 true FR2981684B1 (fr) 2013-12-27

Family

ID=47359177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1159575A Active FR2981684B1 (fr) 2011-10-21 2011-10-21 Systeme de commande d'incidence de pale de turbomachine et turbomachine

Country Status (3)

Country Link
US (1) US9200525B2 (fr)
FR (1) FR2981684B1 (fr)
GB (1) GB2495852B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3010133B1 (fr) 2013-09-02 2015-10-02 Snecma Reservoir comprenant une cloison inclinee munie a ses extremites d'orifices traversants pour une alimentation continue de turbomachine en liquide d'alimentation
FR3137660A1 (fr) 2022-07-08 2024-01-12 Safran Aircraft Engines Protection pour circuit de commande d’orientation de pales d’hélices de moteur d’aéronef

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889888A (en) * 1955-05-05 1959-06-09 Rotol Ltd Pitch lock for hydraulic pitch propeller
GB818611A (en) * 1956-12-18 1959-08-19 Rotol Ltd Improvements in or relating to hydraulic variable pitch propellers
DE19608343A1 (de) * 1996-03-05 1997-09-11 Voith Ag J M Vorrichtung zur Ölversorgung der Laufradnabe einer Strömungsmaschine über eine schwimmend gelagerte ölzu- und abführende Buchse
DE10038061A1 (de) * 2000-08-04 2002-02-14 Mannesmann Rexroth Ag Hydraulischer Zylinder
US7441405B2 (en) * 2006-03-31 2008-10-28 Caterpillar Inc. Cylinder with internal pushrod
FR2914030B1 (fr) * 2007-03-21 2009-07-03 Hispano Suiza Sa Dispositif de commande de position d'un actionneur par une servovalve a memoire de position en cas de panne
GB0821783D0 (en) * 2008-12-01 2009-01-07 Rolls Royce Plc Blade pitch control system

Also Published As

Publication number Publication date
GB2495852A (en) 2013-04-24
FR2981684A1 (fr) 2013-04-26
GB201218843D0 (en) 2012-12-05
US9200525B2 (en) 2015-12-01
GB2495852B (en) 2018-08-29
US20130101419A1 (en) 2013-04-25

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