IT1064383B - Metodo ed apparecchio per il controllo in volo di elicotteri con due rotori rigidi - Google Patents

Metodo ed apparecchio per il controllo in volo di elicotteri con due rotori rigidi

Info

Publication number
IT1064383B
IT1064383B IT29285/76A IT2928576A IT1064383B IT 1064383 B IT1064383 B IT 1064383B IT 29285/76 A IT29285/76 A IT 29285/76A IT 2928576 A IT2928576 A IT 2928576A IT 1064383 B IT1064383 B IT 1064383B
Authority
IT
Italy
Prior art keywords
helicopters
flight control
rigid rotors
rotors
rigid
Prior art date
Application number
IT29285/76A
Other languages
English (en)
Italian (it)
Original Assignee
United Technologies 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
Priority claimed from US05/631,599 external-priority patent/US4027999A/en
Priority claimed from US05/631,600 external-priority patent/US4008979A/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of IT1064383B publication Critical patent/IT1064383B/it

Links

Classifications

    • 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
    • B64C27/80—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement for differential adjustment of blade pitch between two or more lifting rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT29285/76A 1975-11-13 1976-11-12 Metodo ed apparecchio per il controllo in volo di elicotteri con due rotori rigidi IT1064383B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/631,599 US4027999A (en) 1975-11-13 1975-11-13 Analog mixer to vary helicopter rotor phase angle in flight
US05/631,600 US4008979A (en) 1975-11-13 1975-11-13 Control for helicopter having dual rigid rotors

Publications (1)

Publication Number Publication Date
IT1064383B true IT1064383B (it) 1985-02-18

Family

ID=27091437

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29285/76A IT1064383B (it) 1975-11-13 1976-11-12 Metodo ed apparecchio per il controllo in volo di elicotteri con due rotori rigidi

Country Status (7)

Country Link
JP (1) JPS5951479B2 (oth)
BR (1) BR7607626A (oth)
DE (1) DE2651577C2 (oth)
FR (1) FR2331479A1 (oth)
GB (1) GB1519380A (oth)
IL (1) IL50878A (oth)
IT (1) IT1064383B (oth)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6369482U (oth) * 1986-10-24 1988-05-10
DE19627869A1 (de) * 1996-07-11 1998-01-15 Zf Luftfahrttechnik Gmbh Hubschrauber
DE102007002586A1 (de) 2007-01-12 2008-07-24 Rotorfly Ltd. Rotorsystem
US9315265B2 (en) 2013-07-29 2016-04-19 Sikorsky Aircraft Corporation Adjustable scissor control link
WO2015152912A1 (en) * 2014-04-02 2015-10-08 Sikorsky Aircraft Corporation Rotor phasing control
CN117419885B (zh) * 2023-12-19 2024-03-19 中国空气动力研究与发展中心低速空气动力研究所 一种剪刀式尾桨风洞试验台

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427936A (en) * 1943-09-18 1947-09-23 Jr Nathaniel B Wales Control mechanism for helicopters having coaxial counterrotating rotors
FR995459A (fr) * 1945-03-06 1951-12-03 Procédé et dispositif permettant d'améliorer la maniabilité des appareils d'aviation à voilures tournantes articulées
US2748876A (en) * 1951-01-12 1956-06-05 Vertol Aircraft Corp Means for controlling tip-path of rotors
US3409248A (en) * 1965-10-22 1968-11-05 Harvard J. Bryan Rotary winged aircraft with drag propelling rotors and controls
US3409249A (en) * 1966-06-29 1968-11-05 United Aircraft Corp Coaxial rigid rotor helicopter and method of flying same
FR1534974A (fr) * 1967-06-28 1968-08-02 United Aircraft Corp Perfectionnements apportés aux hélicoptères à rotors coaxiaux rigides et aux méthodes de pilotage de tels hélicoptères
US3521971A (en) * 1968-07-17 1970-07-28 United Aircraft Corp Method and apparatus for controlling aircraft
US3570786A (en) * 1969-08-07 1971-03-16 United Aircraft Corp Control apparatus and method for operating an aircraft
JPS5614519B1 (oth) * 1971-04-06 1981-04-04

Also Published As

Publication number Publication date
IL50878A (en) 1980-01-31
GB1519380A (en) 1978-07-26
JPS5262898A (en) 1977-05-24
DE2651577C2 (de) 1986-07-31
FR2331479A1 (fr) 1977-06-10
DE2651577A1 (de) 1977-05-26
JPS5951479B2 (ja) 1984-12-14
FR2331479B1 (oth) 1983-02-11
BR7607626A (pt) 1977-09-27
IL50878A0 (en) 1977-01-31

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