FR2742725B1 - Dispositif a double anneau escamotable de butees hautes de battement, et tete de rotor le comportant - Google Patents

Dispositif a double anneau escamotable de butees hautes de battement, et tete de rotor le comportant

Info

Publication number
FR2742725B1
FR2742725B1 FR9515272A FR9515272A FR2742725B1 FR 2742725 B1 FR2742725 B1 FR 2742725B1 FR 9515272 A FR9515272 A FR 9515272A FR 9515272 A FR9515272 A FR 9515272A FR 2742725 B1 FR2742725 B1 FR 2742725B1
Authority
FR
France
Prior art keywords
same
rotor head
high beams
retractable ring
double retractable
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
FR9515272A
Other languages
English (en)
Other versions
FR2742725A1 (fr
Inventor
Jean Joseph Henri Mondet
Sylvie Jacqueline Garcin
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 FR9515272A priority Critical patent/FR2742725B1/fr
Priority to US08/758,790 priority patent/US5820341A/en
Publication of FR2742725A1 publication Critical patent/FR2742725A1/fr
Application granted granted Critical
Publication of FR2742725B1 publication Critical patent/FR2742725B1/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
    • B64C27/322—Blade travel limiting devices, e.g. droop stops

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Wind Motors (AREA)
  • Toys (AREA)
FR9515272A 1995-12-21 1995-12-21 Dispositif a double anneau escamotable de butees hautes de battement, et tete de rotor le comportant Expired - Fee Related FR2742725B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9515272A FR2742725B1 (fr) 1995-12-21 1995-12-21 Dispositif a double anneau escamotable de butees hautes de battement, et tete de rotor le comportant
US08/758,790 US5820341A (en) 1995-12-21 1996-12-03 Device with retractable double anti-cone stops ring, and rotor head including it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9515272A FR2742725B1 (fr) 1995-12-21 1995-12-21 Dispositif a double anneau escamotable de butees hautes de battement, et tete de rotor le comportant

Publications (2)

Publication Number Publication Date
FR2742725A1 FR2742725A1 (fr) 1997-06-27
FR2742725B1 true FR2742725B1 (fr) 1998-03-06

Family

ID=9485801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9515272A Expired - Fee Related FR2742725B1 (fr) 1995-12-21 1995-12-21 Dispositif a double anneau escamotable de butees hautes de battement, et tete de rotor le comportant

Country Status (2)

Country Link
US (1) US5820341A (fr)
FR (1) FR2742725B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2885115B1 (fr) 2005-04-27 2007-06-22 Eurocopter France Rotor de giravion a pales articulees et a verrouillage de butees escamotables de battement
FR2983830B1 (fr) * 2011-12-07 2016-06-03 Eurocopter France Rotor pour giravion, comportant un mecanisme de butees en battement pour pales articulees sur un moyeu du rotor
FR3010973B1 (fr) * 2013-09-20 2016-04-29 Eurocopter France Rotor pour giravion comportant un mecanisme de butees en battement et giravion
US11008094B2 (en) * 2018-10-23 2021-05-18 Bell Helicopter Textron Inc. Passive hub flapping lock

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717653A (en) * 1951-03-10 1955-09-13 Kaman Aircraft Corp Oscillation limiting mechanism for a helicopter rotor
FR2434079A1 (fr) * 1978-08-23 1980-03-21 Aerospatiale Dispositif pour limiter les battements des pales d'un rotor principal de giravion
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
FR2725687B1 (fr) * 1994-10-12 1996-12-27 Eurocopter France Dispositif de butees de battement, a anneau escamotable de butees hautes, et tete de rotor le comportant

Also Published As

Publication number Publication date
US5820341A (en) 1998-10-13
FR2742725A1 (fr) 1997-06-27

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130830