FR2750948B1 - Dispositif de blocage, au moins en pas, des pales d'un rotor - Google Patents

Dispositif de blocage, au moins en pas, des pales d'un rotor

Info

Publication number
FR2750948B1
FR2750948B1 FR9608746A FR9608746A FR2750948B1 FR 2750948 B1 FR2750948 B1 FR 2750948B1 FR 9608746 A FR9608746 A FR 9608746A FR 9608746 A FR9608746 A FR 9608746A FR 2750948 B1 FR2750948 B1 FR 2750948B1
Authority
FR
France
Prior art keywords
blades
rotor
locking
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.)
Expired - Fee Related
Application number
FR9608746A
Other languages
English (en)
Other versions
FR2750948A1 (fr
Inventor
Jean Joseph Henri Mondet
Jean Luc Leman
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
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 filed Critical Eurocopter France SA
Priority to FR9608746A priority Critical patent/FR2750948B1/fr
Priority to US08/891,072 priority patent/US5951251A/en
Publication of FR2750948A1 publication Critical patent/FR2750948A1/fr
Application granted granted Critical
Publication of FR2750948B1 publication Critical patent/FR2750948B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C27/50—Blades foldable to facilitate stowage of aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/322—Blade travel limiting devices, e.g. droop stops

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
FR9608746A 1996-07-12 1996-07-12 Dispositif de blocage, au moins en pas, des pales d'un rotor Expired - Fee Related FR2750948B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9608746A FR2750948B1 (fr) 1996-07-12 1996-07-12 Dispositif de blocage, au moins en pas, des pales d'un rotor
US08/891,072 US5951251A (en) 1996-07-12 1997-07-10 Device for locking the blades of a rotor, at least in terms of pitch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9608746A FR2750948B1 (fr) 1996-07-12 1996-07-12 Dispositif de blocage, au moins en pas, des pales d'un rotor

Publications (2)

Publication Number Publication Date
FR2750948A1 FR2750948A1 (fr) 1998-01-16
FR2750948B1 true FR2750948B1 (fr) 1998-10-30

Family

ID=9493997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9608746A Expired - Fee Related FR2750948B1 (fr) 1996-07-12 1996-07-12 Dispositif de blocage, au moins en pas, des pales d'un rotor

Country Status (2)

Country Link
US (1) US5951251A (fr)
FR (1) FR2750948B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6309182B1 (en) 2000-04-05 2001-10-30 The Boeing Company Helicopter rotor droop stop mechanism
FR2835506B1 (fr) * 2002-02-06 2004-03-12 Eurocopter France Amortisseur de trainee a double piston pour rotor de giravion
FR2882543B1 (fr) * 2005-02-28 2008-10-10 Eurocopter France Dispositif de verrouillage d'une structure de fixation d'une pale au moyeu d'un rotor de giravion
FR2890937B1 (fr) 2005-09-21 2009-04-24 Eurocopter France Rotor de giravion a pales articulees en battement et en trainee
FR2910877B1 (fr) * 2006-12-28 2009-09-25 Eurocopter France Amelioration aux rotors de giravions equipes d'amortisseurs interpales
FR2954274B1 (fr) * 2009-12-17 2012-02-24 Eurocopter France Mecanisme amortisseur de vibrations, et appareil volant muni d'une structure porteuse et d'un rotor muni d'un tel mecanisme
US9255482B2 (en) * 2012-04-25 2016-02-09 Bell Helicopter Textron Inc. Electrical wiring system for a rotor hub
US9327831B2 (en) * 2013-05-22 2016-05-03 Bell Helicopter Textron Inc. Rotorcraft flapping lock
FR3020341B1 (fr) * 2014-04-24 2016-04-29 Airbus Helicopters Rotor comportant un mecanisme de butee en trainee, et aeronef
EP4015364B1 (fr) 2020-12-18 2023-09-27 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Dispositif de blocage de l'angle de pas

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614640A (en) * 1951-02-01 1952-10-21 United Aircraft Corp Rotor blade support
US3343610A (en) * 1965-06-29 1967-09-26 Vacca Luigi Mechanical blade locks
US4284387A (en) * 1979-05-02 1981-08-18 United Technologies Corp. Blade fold restraint system
EP0057053A1 (fr) * 1981-01-22 1982-08-04 WESTLAND plc Rotor d'hélicoptère
IT1155133B (it) * 1982-03-11 1987-01-21 Agusta Aeronaut Costr Rotore per elicotteri
FR2630703B1 (fr) * 1988-04-29 1990-08-24 Aerospatiale Tete de rotor de giravion a tirants interpales de rappel elastique avec amortissement incorpore
FR2636914B1 (fr) * 1988-09-23 1992-03-06 Aerospatiale Dispositif de butees de battement pour pales de rotors de giravions, et tete de rotor le comportant
FR2648106B1 (fr) * 1989-06-08 1991-09-27 Aerospatiale Dispositif de butees escamotables pour pales de rotors de giravions, et tete de rotor le comportant
EP0600797A1 (fr) * 1992-12-03 1994-06-08 Lucas France S.A. Dispositif de verrouillage des pales du rotor d'un hélicoptère à l'encontre d'un battement

Also Published As

Publication number Publication date
FR2750948A1 (fr) 1998-01-16
US5951251A (en) 1999-09-14

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150331