AU471502B2 - Helicopter blade pitch lock - Google Patents

Helicopter blade pitch lock

Info

Publication number
AU471502B2
AU471502B2 AU52121/73A AU5212173A AU471502B2 AU 471502 B2 AU471502 B2 AU 471502B2 AU 52121/73 A AU52121/73 A AU 52121/73A AU 5212173 A AU5212173 A AU 5212173A AU 471502 B2 AU471502 B2 AU 471502B2
Authority
AU
Australia
Prior art keywords
blade pitch
helicopter blade
pitch lock
lock
helicopter
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
AU52121/73A
Other languages
English (en)
Other versions
AU5212173A (en
Inventor
KARLHEINZ WALLISCHECK LUIGI VACCA and DONALD LEROY FERRIS GEORGE KUBASCH
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.)
RTX Corp
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Publication of AU5212173A publication Critical patent/AU5212173A/en
Application granted granted Critical
Publication of AU471502B2 publication Critical patent/AU471502B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Hydraulic Motors (AREA)
  • Transmission Devices (AREA)
AU52121/73A 1972-02-18 1973-02-13 Helicopter blade pitch lock Expired AU471502B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22735972A 1972-02-18 1972-02-18
US22739572A 1972-02-18 1972-02-18

Publications (2)

Publication Number Publication Date
AU5212173A AU5212173A (en) 1974-08-15
AU471502B2 true AU471502B2 (en) 1976-04-29

Family

ID=26921386

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52121/73A Expired AU471502B2 (en) 1972-02-18 1973-02-13 Helicopter blade pitch lock

Country Status (5)

Country Link
JP (1) JPS4888700A (cs)
AU (1) AU471502B2 (cs)
DE (1) DE2307182C2 (cs)
FR (1) FR2172430B1 (cs)
GB (1) GB1412874A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114923070B (zh) * 2022-04-25 2023-10-13 中国电子科技集团公司第二十九研究所 一种超宽平板单元电液混合俯仰多杆机构及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219121A (en) * 1962-08-03 1965-11-23 John W Barden Controllable pitch propeller hydraulic locking device
US3369611A (en) * 1967-04-27 1968-02-20 Navy Usa Pitch mechanism lock for main helicopter rotor blade
US3438446A (en) * 1967-10-03 1969-04-15 United Aircraft Corp Rotor blade pitch lock

Also Published As

Publication number Publication date
JPS4888700A (cs) 1973-11-20
AU5212173A (en) 1974-08-15
GB1412874A (en) 1975-11-05
FR2172430A1 (cs) 1973-09-28
DE2307182C2 (de) 1983-10-06
DE2307182A1 (de) 1973-08-23
FR2172430B1 (cs) 1977-02-04

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