IT979233B - Rotore di elicottero con bloccag gio perfezionato del dispositivo per la variazione del passo delle pale - Google Patents

Rotore di elicottero con bloccag gio perfezionato del dispositivo per la variazione del passo delle pale

Info

Publication number
IT979233B
IT979233B IT20541/73A IT2054173A IT979233B IT 979233 B IT979233 B IT 979233B IT 20541/73 A IT20541/73 A IT 20541/73A IT 2054173 A IT2054173 A IT 2054173A IT 979233 B IT979233 B IT 979233B
Authority
IT
Italy
Prior art keywords
blades
pitch
variation
helicopter rotor
improved blocking
Prior art date
Application number
IT20541/73A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT979233B publication Critical patent/IT979233B/it

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)
  • Transmission Devices (AREA)
IT20541/73A 1972-02-18 1973-02-19 Rotore di elicottero con bloccag gio perfezionato del dispositivo per la variazione del passo delle pale IT979233B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT979233B true IT979233B (it) 1974-09-30

Family

ID=22852937

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20541/73A IT979233B (it) 1972-02-18 1973-02-19 Rotore di elicottero con bloccag gio perfezionato del dispositivo per la variazione del passo delle pale

Country Status (3)

Country Link
US (1) US3765794A (it)
CA (1) CA971940A (it)
IT (1) IT979233B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354234A (en) * 1980-10-10 1982-10-12 United Technologies Corporation Automatic lock-positioning of foldable helicopter blades
US4376979A (en) * 1980-10-10 1983-03-15 United Technologies Corporation Updated lock-positioning of foldable helicopter blades
FR2636595B1 (fr) * 1988-09-16 1990-12-21 Aerospatiale Dispositif de commande individuelle du pas des pales de rotors de giravions, par verins lineaires tournants
FR2765550B1 (fr) * 1997-07-07 1999-10-01 Eurocopter France Dispositif de blocage en pas des pales d'un rotor principal de giravion
WO2010141132A2 (en) 2009-04-28 2010-12-09 Sikorsky Aircraft Corporation Proximity sensor valve and lock system using same
WO2016118980A2 (en) * 2015-01-21 2016-07-28 Groenewald Felix Errol Aircraft

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957527A (en) * 1950-09-26 1960-10-25 United Aircraft Corp Hydraulic booster control
US2755870A (en) * 1950-09-26 1956-07-24 United Aircraft Corp Hydraulic booster control of helicopter blade pitch
US2861640A (en) * 1956-12-27 1958-11-25 Doman Helicopters Inc Helicopter rotor head combination with mechanism to fly rotor level
US2973815A (en) * 1957-11-08 1961-03-07 Omega Aircraft Corp Pitch control mechanism for helicopter rotors
US2978038A (en) * 1958-03-11 1961-04-04 Doman Helicopters Inc Swash plate operating mechanism and combination with swash plate
US3002569A (en) * 1959-05-28 1961-10-03 Mcdonnell Aircraft Corp Locking device for floating hub helicopter rotors
GB1021544A (en) * 1961-08-12 1966-03-02 Dehavilland Aircraft Improved variable pitch propeller control system
US3219121A (en) * 1962-08-03 1965-11-23 John W Barden Controllable pitch propeller hydraulic locking device
US3256780A (en) * 1963-12-10 1966-06-21 United Aircraft Corp Dual input servo control mechanism

Also Published As

Publication number Publication date
CA971940A (en) 1975-07-29
US3765794A (en) 1973-10-16

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