FR2980452B1 - Systeme de commande de la variation de pas des pales d'une helice, helice et aeronef - Google Patents

Systeme de commande de la variation de pas des pales d'une helice, helice et aeronef

Info

Publication number
FR2980452B1
FR2980452B1 FR1102895A FR1102895A FR2980452B1 FR 2980452 B1 FR2980452 B1 FR 2980452B1 FR 1102895 A FR1102895 A FR 1102895A FR 1102895 A FR1102895 A FR 1102895A FR 2980452 B1 FR2980452 B1 FR 2980452B1
Authority
FR
France
Prior art keywords
propeller
movable
power block
manifold
controlling
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
FR1102895A
Other languages
English (en)
Other versions
FR2980452A1 (fr
Inventor
Gerard Couderc
Mathilde Chouteau
Romuald Biest
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.)
Airbus Helicopters SAS
Original Assignee
Eurocopter France SA
Eurocopter SA
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 Eurocopter France SA, Eurocopter SA filed Critical Eurocopter France SA
Priority to FR1102895A priority Critical patent/FR2980452B1/fr
Priority to US13/617,544 priority patent/US9284042B2/en
Publication of FR2980452A1 publication Critical patent/FR2980452A1/fr
Application granted granted Critical
Publication of FR2980452B1 publication Critical patent/FR2980452B1/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
    • 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
    • B64C11/42—Blade pitch-changing mechanisms fluid, e.g. hydraulic non-automatic
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
FR1102895A 2011-09-23 2011-09-23 Systeme de commande de la variation de pas des pales d'une helice, helice et aeronef Active FR2980452B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1102895A FR2980452B1 (fr) 2011-09-23 2011-09-23 Systeme de commande de la variation de pas des pales d'une helice, helice et aeronef
US13/617,544 US9284042B2 (en) 2011-09-23 2012-09-14 System for controlling pitch variation of the blades of a propeller, a propeller, and an aircraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1102895A FR2980452B1 (fr) 2011-09-23 2011-09-23 Systeme de commande de la variation de pas des pales d'une helice, helice et aeronef

Publications (2)

Publication Number Publication Date
FR2980452A1 FR2980452A1 (fr) 2013-03-29
FR2980452B1 true FR2980452B1 (fr) 2013-10-11

Family

ID=44992971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1102895A Active FR2980452B1 (fr) 2011-09-23 2011-09-23 Systeme de commande de la variation de pas des pales d'une helice, helice et aeronef

Country Status (2)

Country Link
US (1) US9284042B2 (fr)
FR (1) FR2980452B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3013325B1 (fr) 2013-11-20 2015-11-27 Snecma Dispositif d'alimentation en huile sous pression d'un actionneur lineaire de turbomachine
WO2016138139A1 (fr) * 2015-02-24 2016-09-01 Karem Aircraft, Inc. Aéronef propulsé à l'énergie solaire à aile à géométrie variable et réseaux de télécommunication utilisant un tel aéronef
US10005541B2 (en) 2015-02-24 2018-06-26 Karem Aircraft, Inc. Methods for providing a durable solar powered aircraft with a variable geometry wing
PL226825B1 (pl) * 2015-09-07 2017-09-29 Gen Electric Układ isposób regulacji skoku smigła

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5174718A (en) * 1991-08-12 1992-12-29 United Technologies Corporation Blade pitch change control system
US5186608A (en) * 1991-10-25 1993-02-16 United Technologies Corporation Hydraulic low pitch switch for propeller pitch change system
US7758310B2 (en) * 2007-01-15 2010-07-20 Sikorsky Aircraft Corporation Translational thrust system for a rotary wing aircraft
EP2052965B1 (fr) * 2008-01-11 2013-05-15 MT-Propeller Entwicklung GmbH Hélice à réglage hydraulique
FR2927879B1 (fr) * 2008-02-27 2010-08-20 Eurocopter France Arbre de commande hydraulique rigide et systeme de commande de la variation de pas d'une helice muni d'un tel arbre de commande
US8277182B2 (en) * 2009-07-02 2012-10-02 Hamilton Sundstrand Corporation Remote pitch controller for a variable pitch propeller
EP2444316B1 (fr) * 2010-10-25 2016-02-17 MT-Propeller Entwicklung GmbH Hélice à pas variable de réglage hydraulique

Also Published As

Publication number Publication date
US20130078096A1 (en) 2013-03-28
US9284042B2 (en) 2016-03-15
FR2980452A1 (fr) 2013-03-29

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