GB1412874A - Helicopter rotor with blade pitch lock - Google Patents

Helicopter rotor with blade pitch lock

Info

Publication number
GB1412874A
GB1412874A GB721173A GB721173A GB1412874A GB 1412874 A GB1412874 A GB 1412874A GB 721173 A GB721173 A GB 721173A GB 721173 A GB721173 A GB 721173A GB 1412874 A GB1412874 A GB 1412874A
Authority
GB
United Kingdom
Prior art keywords
lock
blades
apertures
pins
plungers
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
GB721173A
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.)
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 GB1412874A publication Critical patent/GB1412874A/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)
GB721173A 1972-02-18 1973-02-14 Helicopter rotor with blade pitch lock Expired GB1412874A (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 (1)

Publication Number Publication Date
GB1412874A true GB1412874A (en) 1975-11-05

Family

ID=26921386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB721173A Expired GB1412874A (en) 1972-02-18 1973-02-14 Helicopter rotor with 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
AU471502B2 (en) 1976-04-29
AU5212173A (en) 1974-08-15
FR2172430A1 (cs) 1973-09-28
DE2307182C2 (de) 1983-10-06
DE2307182A1 (de) 1973-08-23
FR2172430B1 (cs) 1977-02-04

Similar Documents

Publication Publication Date Title
US2552843A (en) Sequence control for landing gears
US2764132A (en) Piston-mounted end lock for hydraulic actuators
GB1092422A (en) A piston and cylinder arrangement with three stable positions
US2276347A (en) Hub construction for hydraulic operated variable pitch propellers
GB1412874A (en) Helicopter rotor with blade pitch lock
GB1230010A (cs)
US2609057A (en) Variable-pitch airscrew
US2744501A (en) Toggle lock actuator assembly
GB1368162A (en) Helicopter blade folding and locking mechanism
US3263754A (en) Pressure fluid actuator system
US3764229A (en) Helicopter blade pitch lock
US3765794A (en) Helicopter blade pitch lock
US2379536A (en) Fluid actuated control system
US3698662A (en) Apparatus and method for sequencing the folding and unfolding of rotor blades in a compound vehicle
US3570373A (en) Valve operator and method of making the same
GB1240356A (en) Rotary wing aircraft with foldable rotor blades
GB1241314A (en) Controllable pitch propellers
US2576554A (en) Locking and pressure release mechanism for hydraulic motors
US2259439A (en) Control valve
US2692784A (en) Hinged strut lock
GB1529994A (en) Hydraulic controller for example for use with hydraulic mine-roof supports
US2811137A (en) Actuator lock mechanism
US3018986A (en) Fluid operated mechanism for steerable aircraft wheels
US4426107A (en) Door locking mechanism
US2488173A (en) Feel means for pressure fluid follow-up servomotor

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee