IL96406A0 - Apparatus and method for folding and locking rotor blades - Google Patents

Apparatus and method for folding and locking rotor blades

Info

Publication number
IL96406A0
IL96406A0 IL96406A IL9640690A IL96406A0 IL 96406 A0 IL96406 A0 IL 96406A0 IL 96406 A IL96406 A IL 96406A IL 9640690 A IL9640690 A IL 9640690A IL 96406 A0 IL96406 A0 IL 96406A0
Authority
IL
Israel
Prior art keywords
folding
rotor blades
locking rotor
locking
blades
Prior art date
Application number
IL96406A
Other languages
English (en)
Original Assignee
Bell Helicopter Textron Inc
Boeing Co
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 Bell Helicopter Textron Inc, Boeing Co filed Critical Bell Helicopter Textron Inc
Publication of IL96406A0 publication Critical patent/IL96406A0/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transmission Devices (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Lock And Its Accessories (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Air Bags (AREA)
  • Extensible Doors And Revolving Doors (AREA)
IL96406A 1989-11-20 1990-11-19 Apparatus and method for folding and locking rotor blades IL96406A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/439,980 US5031858A (en) 1989-11-20 1989-11-20 Apparatus and method for folding and locking rotor blades

Publications (1)

Publication Number Publication Date
IL96406A0 true IL96406A0 (en) 1991-08-16

Family

ID=23746929

Family Applications (1)

Application Number Title Priority Date Filing Date
IL96406A IL96406A0 (en) 1989-11-20 1990-11-19 Apparatus and method for folding and locking rotor blades

Country Status (8)

Country Link
US (1) US5031858A (de)
EP (1) EP0455797B1 (de)
JP (1) JP3489829B2 (de)
AU (1) AU6895291A (de)
DE (1) DE69005813T2 (de)
IL (1) IL96406A0 (de)
MX (1) MX173578B (de)
WO (1) WO1991007314A1 (de)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211538A (en) * 1991-11-27 1993-05-18 Bell Helicopter Textron Inc. Method for folding helicopter main rotor blades
US5868351A (en) * 1996-05-23 1999-02-09 Bell Helicopter Textron Inc. Rotor blade stowing system
BRPI0419051A (pt) * 2004-09-30 2007-12-11 Bell Helicopter Textron Inc sistema de atuação de conversão de torre de tiltrotor compacto
US7930074B2 (en) * 2007-03-19 2011-04-19 Sikorsky Aircraft Corporation Vertical speed and flight path command module for displacement collective utilizing tactile cueing and tactile feedback
US8459954B2 (en) * 2010-01-19 2013-06-11 United Technologies Corporation Torsional flexing energy absorbing blade lock
CN101837195B (zh) * 2010-01-21 2012-02-08 罗之洪 一种垂直起降的模型飞机
US8998125B2 (en) 2010-06-15 2015-04-07 Textron Innovations Inc. Method and apparatus for in-flight blade folding
US9108727B2 (en) * 2010-06-16 2015-08-18 Sikorsky Aircraft Corporation Blade fold system monitoring
PL2551198T3 (pl) * 2011-07-29 2014-03-31 Agustawestland Spa Zmiennopłat
FR2991292B1 (fr) * 2012-06-04 2014-05-23 Etienne Jean Rampal Dispositif pour repliage automatique des pales sur les rotors de giravions ou aeronefs de tout type
US10315760B2 (en) * 2014-03-18 2019-06-11 Joby Aero, Inc. Articulated electric propulsion system with fully stowing blades and lightweight vertical take-off and landing aircraft using same
US10933992B2 (en) * 2015-10-27 2021-03-02 Sikorsky Aircraft Corporation Blade fold system using flap hinge
CA2967221C (en) * 2016-05-13 2021-08-24 Bell Helicopter Textron Inc. Forward folding rotor blades
US10730624B2 (en) 2016-05-13 2020-08-04 Bell Helicopter Textron Inc. Modular fuselage sections for vertical take off and landing distributed airframe aircraft
USD808328S1 (en) 2016-09-14 2018-01-23 Bell Helicopter Textron Inc. Foldable tiltrotor aircraft
US10077106B2 (en) 2016-09-19 2018-09-18 Bell Helicopter Textron Inc. Storage modes for tiltrotor aircraft
US10239605B2 (en) 2016-09-19 2019-03-26 Bell Helicopter Textron Inc. Chordwise folding and locking of rotor systems
US10065736B2 (en) 2016-09-19 2018-09-04 Bell Helicopter Textron Inc. Storage modes for tiltrotor aircraft
US10086936B2 (en) 2016-09-19 2018-10-02 Bell Helicopter Textron Inc. Storage models for tiltrotor aircraft
US10167080B2 (en) 2016-09-19 2019-01-01 Bell Helicopter Textron Inc. Storage modes for tiltrotor aircraft
FR3056554B1 (fr) * 2016-09-29 2018-08-31 Airbus Helicopters Butee d'une pale
US10618632B2 (en) * 2017-02-13 2020-04-14 Bell Helicopter Textron Inc. Foldable rotor blade assembly
US10589841B2 (en) 2017-05-18 2020-03-17 Bell Helicopter Textron Inc. Aircraft hub fairing with movable members
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
US10703460B2 (en) 2017-12-18 2020-07-07 Bell Helicopter Textron Inc. Folding spindle and bearing assembly 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
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
US10703461B2 (en) 2018-04-26 2020-07-07 Bell Helicopter Textron Inc. Blade fold method and apparatus for a tilt rotor hub
EP3802322A4 (de) 2018-05-31 2022-02-23 Joby Aero, Inc. Stromsystemarchitektur und fehlertolerantes vtol-flugzeug damit
US12006048B2 (en) 2018-05-31 2024-06-11 Joby Aero, Inc. Electric power system architecture and fault tolerant VTOL aircraft using same
CN112219036B (zh) 2018-06-01 2023-08-11 杰欧比飞行有限公司 用于飞行器噪声减轻的系统和方法
US10933986B2 (en) 2018-06-22 2021-03-02 Bell Helicopter Textron Inc. Blade fold method and apparatus for a tilt rotor hub
WO2020009871A1 (en) 2018-07-02 2020-01-09 Joby Aero, Inc. System and method for airspeed determination
US10773793B2 (en) 2018-08-05 2020-09-15 Textron Innovations Inc. Rotor blade locking assembly
WO2020061085A1 (en) 2018-09-17 2020-03-26 Joby Aero, Inc. Aircraft control system
USD909949S1 (en) 2018-11-15 2021-02-09 Bell Helicopter Textron Inc. Tiltrotor aircraft
USD909278S1 (en) 2018-11-15 2021-02-02 Bell Helicopter Textron Inc. Foldable tiltrotor aircraft
USD974276S1 (en) 2018-11-15 2023-01-03 Textron Innovations, Inc. Aircraft spinner
USD974277S1 (en) 2018-11-15 2023-01-03 Textron Innovations, Inc. Aircraft payload enclosure
EP3891066A4 (de) 2018-12-07 2022-08-10 Joby Aero, Inc. Rotierende tragfläche und entwurfsverfahren dafür
US10983534B2 (en) 2018-12-07 2021-04-20 Joby Aero, Inc. Aircraft control system and method
US10845823B2 (en) 2018-12-19 2020-11-24 Joby Aero, Inc. Vehicle navigation system
US11440671B2 (en) * 2019-01-24 2022-09-13 Amazon Technologies, Inc. Adjustable motor fairings for aerial vehicles
CN114041229B (zh) 2019-04-23 2023-06-16 杰欧比飞行有限公司 电池热管理系统及方法
US11230384B2 (en) 2019-04-23 2022-01-25 Joby Aero, Inc. Vehicle cabin thermal management system and method
KR20220029554A (ko) 2019-04-25 2022-03-08 조비 에어로, 인크. 수직 이착륙 항공기
US11511848B2 (en) * 2020-05-20 2022-11-29 Textron Innovations Inc. Pitch-fold lock
US12534186B2 (en) * 2023-09-22 2026-01-27 Textron Innovations Inc. Fold-lock and pitch-lock systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2385464A (en) * 1941-03-20 1945-09-25 Adolphe C Peterson Auxiliary autogiro means
US3097701A (en) * 1960-10-27 1963-07-16 United Aircraft Corp Blade folding mechanism
US3247907A (en) * 1963-09-18 1966-04-26 Boeing Co Blade folding mechanism for rotary wing aircraft
US3187818A (en) * 1964-12-31 1965-06-08 Boeing Co Blade folding mechanism
US3389878A (en) * 1965-02-02 1968-06-25 Bolkow Ges Mit Beschranker Haf Vtol aircraft
US3749515A (en) * 1971-06-01 1973-07-31 Textron Inc Powered folding mechanism
EP0057053A1 (de) * 1981-01-22 1982-08-04 WESTLAND plc Hubschrauber-Rotor
US4738592A (en) * 1984-09-28 1988-04-19 The Boeing Company Cam assisted blade folding system
US4691878A (en) * 1985-11-06 1987-09-08 The United States Of America As Represented By The Secretary Of The Navy Tilt-rotor wing fold mechanism and method
US7738592B2 (en) * 2005-01-21 2010-06-15 Panasonic Corporation Wireless communication apparatus and wireless communication method

Also Published As

Publication number Publication date
US5031858A (en) 1991-07-16
WO1991007314A1 (en) 1991-05-30
EP0455797A1 (de) 1991-11-13
EP0455797B1 (de) 1994-01-05
DE69005813D1 (de) 1994-02-17
AU6895291A (en) 1991-06-13
MX173578B (es) 1994-03-16
DE69005813T2 (de) 1994-07-28
EP0455797A4 (en) 1992-02-05
JP3489829B2 (ja) 2004-01-26
JPH04504240A (ja) 1992-07-30

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