FR2836889B1 - Procede et dispositif de repliage-depliage des pales d'un rotor de giravion - Google Patents

Procede et dispositif de repliage-depliage des pales d'un rotor de giravion

Info

Publication number
FR2836889B1
FR2836889B1 FR0203013A FR0203013A FR2836889B1 FR 2836889 B1 FR2836889 B1 FR 2836889B1 FR 0203013 A FR0203013 A FR 0203013A FR 0203013 A FR0203013 A FR 0203013A FR 2836889 B1 FR2836889 B1 FR 2836889B1
Authority
FR
France
Prior art keywords
folding
giravion
blades
rotor
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
FR0203013A
Other languages
English (en)
Other versions
FR2836889A1 (fr
Inventor
Michel Romani
Marcel Cayol
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 FR0203013A priority Critical patent/FR2836889B1/fr
Priority to US10/375,707 priority patent/US6695253B1/en
Publication of FR2836889A1 publication Critical patent/FR2836889A1/fr
Application granted granted Critical
Publication of FR2836889B1 publication Critical patent/FR2836889B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/32Rotors
    • B64C27/46Blades
    • B64C27/473Constructional features
    • B64C27/50Blades foldable to facilitate stowage of aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transmission Devices (AREA)
  • Toys (AREA)
FR0203013A 2002-03-11 2002-03-11 Procede et dispositif de repliage-depliage des pales d'un rotor de giravion Expired - Fee Related FR2836889B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0203013A FR2836889B1 (fr) 2002-03-11 2002-03-11 Procede et dispositif de repliage-depliage des pales d'un rotor de giravion
US10/375,707 US6695253B1 (en) 2002-03-11 2003-02-27 Method and apparatus for folding/unfolding the blades of a rotary-wing aircraft rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0203013A FR2836889B1 (fr) 2002-03-11 2002-03-11 Procede et dispositif de repliage-depliage des pales d'un rotor de giravion

Publications (2)

Publication Number Publication Date
FR2836889A1 FR2836889A1 (fr) 2003-09-12
FR2836889B1 true FR2836889B1 (fr) 2004-05-28

Family

ID=27763699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0203013A Expired - Fee Related FR2836889B1 (fr) 2002-03-11 2002-03-11 Procede et dispositif de repliage-depliage des pales d'un rotor de giravion

Country Status (2)

Country Link
US (1) US6695253B1 (fr)
FR (1) FR2836889B1 (fr)

Families Citing this family (40)

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US6769644B2 (en) * 2002-12-23 2004-08-03 The Boeing Company Tail boom saddle for maintaining helicoptor main rotor blades in a stowed configuration for helicopter stowage and transport
US20040129830A1 (en) * 2002-12-23 2004-07-08 Muylaert Neal W. Tail boom saddle for maintaining helicoptor main rotor blades in a stowed configuration for helicoptor stowage and transport
US7207519B2 (en) * 2004-03-03 2007-04-24 Peter Hoynash Blade restraint system
US7946526B2 (en) * 2004-11-05 2011-05-24 Nachman Zimet Rotary-wing vehicle system
US20060120873A1 (en) * 2004-12-03 2006-06-08 Sikorsky Aircraft Corporation Damper positioner for a rotor blade folding system
US7798442B2 (en) * 2006-03-17 2010-09-21 Sikorsky Aircraft Corporation Rotor assemblies having automatic blade folding systems
US7530790B2 (en) * 2006-09-20 2009-05-12 Sikorsky Aircraft Corporation Rotor blade folding system
US7841829B2 (en) * 2006-11-15 2010-11-30 Sikorsky Aircraft Corporation Rotor system with pitch flap coupling
CN101883718B (zh) * 2007-12-03 2013-06-26 贝尔直升机泰克斯特龙公司 用于旋翼飞行器的多叶片旋翼系统
US8038394B2 (en) * 2008-01-16 2011-10-18 Sikorsky Aircraft Corporation System and method of damping a 1P motion
US9108727B2 (en) 2010-06-16 2015-08-18 Sikorsky Aircraft Corporation Blade fold system monitoring
US10293935B2 (en) * 2010-08-03 2019-05-21 Tudor Crossfelt, Lp Flying vehicle retractable wing hinge and truss
JP5528307B2 (ja) * 2010-11-22 2014-06-25 富士重工業株式会社 ブレード拘束装置、ブレード拘束キット及びブレード拘束方法
US9255482B2 (en) * 2012-04-25 2016-02-09 Bell Helicopter Textron Inc. Electrical wiring system for a rotor hub
EP2722276B1 (fr) * 2012-10-18 2015-03-18 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Fixation de pale séparable pour rotor sans palier d'hélicoptère
WO2015030874A1 (fr) * 2013-08-28 2015-03-05 Sikorsky Aircraft Corporation Ensemble de repliement manuel de pale non chargé
WO2015133980A1 (fr) * 2014-03-03 2015-09-11 Sikorsky Aircraft Corporation Liaison de pliage de pale à actionneur unique
CN104760694B (zh) * 2014-10-27 2016-09-28 深圳九星智能航空科技有限公司 下叶片可折叠垂悬的双旋翼飞行器
US9989098B2 (en) * 2016-02-24 2018-06-05 Bell Helicopter Textron Inc. System and method of rotating rotor blades from a distance
KR102451679B1 (ko) * 2016-03-30 2022-10-07 삼성전자주식회사 무인 비행체
CN106741909A (zh) * 2016-11-29 2017-05-31 北京华信智航科技有限公司 一种水平折叠的对转螺旋桨
US10618632B2 (en) * 2017-02-13 2020-04-14 Bell Helicopter Textron Inc. Foldable rotor blade assembly
CN107054637B (zh) * 2017-05-25 2023-08-15 桂艳春 一种多旋翼直升机折叠系统
US10640205B2 (en) 2017-12-18 2020-05-05 Bell Helicopter Textron Inc. Outboard centrifugal force bearing with inboard blade fold axis in a folding rotor blade assembly
US10577079B2 (en) 2017-12-18 2020-03-03 Bell Helicopter Textron Inc. Dual blade fold bolts and inboard centrifugal bearing in a folding rotor blade assembly
US10703469B2 (en) 2017-12-18 2020-07-07 Bell Helicopter Textron Inc. Compact folding yoke with flexible yoke arms in a folding rotor blade assembly
US10569869B2 (en) 2017-12-18 2020-02-25 Bell Helicopter Textron Inc. Compact folding yoke in a folding rotor blade assembly
US10703460B2 (en) 2017-12-18 2020-07-07 Bell Helicopter Textron Inc. Folding spindle and bearing assembly in a folding rotor blade assembly
CN107985581B (zh) * 2017-12-29 2023-11-28 南京瑞蓝世光电传感技术研究院有限公司 一种新型折叠油动旋翼结构
US10703461B2 (en) * 2018-04-26 2020-07-07 Bell Helicopter Textron Inc. Blade fold method and apparatus for a tilt rotor hub
US10933986B2 (en) 2018-06-22 2021-03-02 Bell Helicopter Textron Inc. Blade fold method and apparatus for a tilt rotor hub
US10858094B2 (en) * 2018-07-09 2020-12-08 Bell Helicopter Textron Inc. Method of blade fold for tiltrotor aircraft
CN112407271A (zh) * 2020-10-30 2021-02-26 中国直升机设计研究所 一种直升机四桨叶旋翼折叠系统及折叠方法
CN112520015B (zh) * 2020-11-25 2023-06-20 常州市长昊机械有限公司 一种翻转式航空折叠叶片
EP4015364B1 (fr) * 2020-12-18 2023-09-27 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Dispositif de blocage de l'angle de pas
CN114030639B (zh) * 2021-11-19 2023-09-01 中国直升机设计研究所 一种直升机桨叶夹持锁紧装置
CN114180213B (zh) * 2021-11-19 2023-04-25 中国直升机设计研究所 一种直升机旋翼折叠固定系统
US11970293B2 (en) * 2022-03-26 2024-04-30 Epazz, Inc. Drone with extendable and rotatable wings and multiple accessory securing panel
CN115946850B (zh) * 2022-12-19 2023-06-09 北京航空航天大学 一种旋翼桨叶自动折叠收放机构
CN116834998B (zh) * 2023-06-29 2023-11-28 珠海市双捷科技有限公司 自动收桨装置、旋翼无人机、停机坪及收桨方法

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Publication number Priority date Publication date Assignee Title
US2950767A (en) * 1957-08-06 1960-08-30 Boeing Co Rotor blade folding mechanism
US3192820A (en) 1961-01-16 1965-07-06 Paul Gross Quick release pin
US3133715A (en) * 1961-12-22 1964-05-19 Sud Aviation Apparatus for supporting and holding foldable rotor blades of helicopters
US3135333A (en) * 1962-10-15 1964-06-02 Lockheed Aircraft Corp Folding rotor blade
US3187818A (en) * 1964-12-31 1965-06-08 Boeing Co Blade folding mechanism
US3749515A (en) * 1971-06-01 1973-07-31 Textron Inc Powered folding mechanism
US3802798A (en) * 1973-01-30 1974-04-09 Us Air Force Rotor blade capturing assembly
FR2423396A1 (fr) 1978-04-17 1979-11-16 Aerospatiale Outillage permettant le repliage des pales d'un rotor principal d'helicoptere
EP0057053A1 (fr) 1981-01-22 1982-08-04 WESTLAND plc Rotor d'hélicoptère
DE3336847A1 (de) * 1983-10-11 1985-04-25 Messerschmitt-Bölkow-Blohm GmbH, 2800 Bremen Luftfahrzeug mit faltbaren und/oder schwenkbaren tragfluegeln
US4712978A (en) * 1986-12-01 1987-12-15 Tiemann James P Helicopter blade and the like stand-off and folding device
US5322415A (en) * 1992-11-18 1994-06-21 United Technologies Corporation Pitch actuation system restraint device for a helicopter blade folding system
US6213712B1 (en) * 1999-12-03 2001-04-10 Mcdonnell Douglas Corporation Helicopter blade positioning mechanism for foldable rotor blades
FR2817830B1 (fr) 2000-12-11 2003-02-14 Eurocopter France Perfectionnements aux rotors de giravion a pales a repliage manuel et installation de connexion electrique de degivrage

Also Published As

Publication number Publication date
US20040026564A1 (en) 2004-02-12
FR2836889A1 (fr) 2003-09-12
US6695253B1 (en) 2004-02-24

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Legal Events

Date Code Title Description
CD Change of name or company name

Owner name: AIRBUS HELICOPTERS, FR

Effective date: 20140602

PLFP Fee payment

Year of fee payment: 14

ST Notification of lapse

Effective date: 20161130