FR2124474A1 - - Google Patents

Info

Publication number
FR2124474A1
FR2124474A1 FR7203754A FR7203754A FR2124474A1 FR 2124474 A1 FR2124474 A1 FR 2124474A1 FR 7203754 A FR7203754 A FR 7203754A FR 7203754 A FR7203754 A FR 7203754A FR 2124474 A1 FR2124474 A1 FR 2124474A1
Authority
FR
France
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.)
Granted
Application number
FR7203754A
Other languages
French (fr)
Other versions
FR2124474B1 (en
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.)
Westland Group PLC
Original Assignee
Westland Aircraft Ltd
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 Westland Aircraft Ltd filed Critical Westland Aircraft Ltd
Publication of FR2124474A1 publication Critical patent/FR2124474A1/fr
Application granted granted Critical
Publication of FR2124474B1 publication Critical patent/FR2124474B1/fr
Expired 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
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Toys (AREA)
  • Transmission Devices (AREA)
  • Pivots And Pivotal Connections (AREA)
FR7203754A 1971-02-05 1972-02-04 Expired FR2124474B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB401171 1971-02-05

Publications (2)

Publication Number Publication Date
FR2124474A1 true FR2124474A1 (en) 1972-09-22
FR2124474B1 FR2124474B1 (en) 1977-11-10

Family

ID=9769083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7203754A Expired FR2124474B1 (en) 1971-02-05 1972-02-04

Country Status (4)

Country Link
US (1) US3750982A (en)
CA (1) CA975341A (en)
FR (1) FR2124474B1 (en)
GB (1) GB1333852A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014024128A3 (en) * 2012-08-07 2014-03-27 Epsilon Engineering Services (Pty) Ltd. A hinge arrangement

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802798A (en) * 1973-01-30 1974-04-09 Us Air Force Rotor blade capturing assembly
GB1472540A (en) * 1973-08-28 1977-05-04 Westland Aircraft Ltd Helicopters
US4071206A (en) * 1976-09-20 1978-01-31 Aerospace General Co. Portable helicopter
DE3272187D1 (en) * 1981-11-19 1986-08-28 Westland Plc Helicopter rotors
US5915649A (en) * 1996-08-23 1999-06-29 Mcdonnell Douglas Helicopter Company Roadable helicopter
GB0301370D0 (en) * 2003-01-22 2003-02-19 Secr Defence A wing for a compound helicopter
KR101083731B1 (en) 2004-09-20 2011-11-16 한국항공우주산업 주식회사 Helicopter
US7985048B2 (en) * 2007-09-25 2011-07-26 The Boeing Company Folding rotor for an autogyro device
DE102012100102B4 (en) * 2012-01-06 2015-09-24 Deutsches Zentrum für Luft- und Raumfahrt e.V. helicopter configuration
EP2883791B1 (en) 2013-12-10 2016-04-06 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Helicopter with a Tail shroud
US10370098B1 (en) 2015-12-18 2019-08-06 Amazon Technologies, Inc. Adjustable propeller blade with sound flaps
US10287006B1 (en) 2015-12-18 2019-05-14 Amazon Technologies, Inc. Adjustable propeller blades for sound control
US9592910B1 (en) 2015-12-18 2017-03-14 Amazon Technologies, Inc. Geometrically reconfigurable propellers
NL1043196B1 (en) * 2019-03-18 2020-09-25 Pal V Ip B V Rotor blades of a lift rotor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2815820A (en) * 1955-04-19 1957-12-10 Gyrodyne Company Of America In Power folding rotor blade system for rotary wing aircraft
US2941604A (en) * 1956-11-05 1960-06-21 Ira J Marriage Blade structure for airplane propellers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014024128A3 (en) * 2012-08-07 2014-03-27 Epsilon Engineering Services (Pty) Ltd. A hinge arrangement

Also Published As

Publication number Publication date
GB1333852A (en) 1973-10-17
CA975341A (en) 1975-09-30
FR2124474B1 (en) 1977-11-10
DE2204619B2 (en) 1977-04-07
US3750982A (en) 1973-08-07
DE2204619A1 (en) 1972-09-21

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Legal Events

Date Code Title Description
ST Notification of lapse