GB1333853A - Helicopters - Google Patents

Helicopters

Info

Publication number
GB1333853A
GB1333853A GB553271A GB1333853DA GB1333853A GB 1333853 A GB1333853 A GB 1333853A GB 553271 A GB553271 A GB 553271A GB 1333853D A GB1333853D A GB 1333853DA GB 1333853 A GB1333853 A GB 1333853A
Authority
GB
United Kingdom
Prior art keywords
gear
ring member
gearing
bore
arm
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
Application number
GB553271A
Other languages
English (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 GB1333853A publication Critical patent/GB1333853A/en
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)
  • Retarders (AREA)
  • Toys (AREA)
GB553271A 1971-02-26 1972-01-27 Helicopters Expired GB1333853A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB553271 1971-02-26

Publications (1)

Publication Number Publication Date
GB1333853A true GB1333853A (en) 1973-10-17

Family

ID=9797981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB553271A Expired GB1333853A (en) 1971-02-26 1972-01-27 Helicopters

Country Status (3)

Country Link
DE (1) DE2204620A1 (enExample)
FR (1) FR2126409A1 (enExample)
GB (1) GB1333853A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466775A (en) * 1981-11-19 1984-08-21 Westland Plc Helicopter rotors
CN112389645A (zh) * 2021-01-08 2021-02-23 成都飞亚航空设备应用研究所有限公司 双电机驱动旋翼电动折叠机构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466775A (en) * 1981-11-19 1984-08-21 Westland Plc Helicopter rotors
CN112389645A (zh) * 2021-01-08 2021-02-23 成都飞亚航空设备应用研究所有限公司 双电机驱动旋翼电动折叠机构

Also Published As

Publication number Publication date
FR2126409A1 (enExample) 1972-10-06
DE2204620A1 (de) 1972-10-26

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees