FR2331479B1 - - Google Patents

Info

Publication number
FR2331479B1
FR2331479B1 FR7634098A FR7634098A FR2331479B1 FR 2331479 B1 FR2331479 B1 FR 2331479B1 FR 7634098 A FR7634098 A FR 7634098A FR 7634098 A FR7634098 A FR 7634098A FR 2331479 B1 FR2331479 B1 FR 2331479B1
Authority
FR
France
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
FR7634098A
Other languages
French (fr)
Other versions
FR2331479A1 (fr
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.)
Raytheon Technologies Corp
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
Publication of FR2331479A1 publication Critical patent/FR2331479A1/fr
Application granted granted Critical
Publication of FR2331479B1 publication Critical patent/FR2331479B1/fr
Granted legal-status Critical Current

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)
FR7634098A 1975-11-13 1976-11-12 Methode et systeme de controle de vol des avions a deux rotors rigides Granted FR2331479A1 (fr)

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 (2)

Publication Number Publication Date
FR2331479A1 FR2331479A1 (fr) 1977-06-10
FR2331479B1 true FR2331479B1 (es) 1983-02-11

Family

ID=27091437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7634098A Granted FR2331479A1 (fr) 1975-11-13 1976-11-12 Methode et systeme de controle de vol des avions a deux rotors rigides

Country Status (7)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6138778U (ja) * 1984-08-13 1986-03-11 株式会社 壬生電機製作所 端子盤
JPS6369482U (es) * 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
EP3126225B1 (en) * 2014-04-02 2020-06-03 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 (es) * 1971-04-06 1981-04-04

Also Published As

Publication number Publication date
IL50878A (en) 1980-01-31
IL50878A0 (en) 1977-01-31
JPS5262898A (en) 1977-05-24
IT1064383B (it) 1985-02-18
BR7607626A (pt) 1977-09-27
DE2651577C2 (de) 1986-07-31
JPS5951479B2 (ja) 1984-12-14
FR2331479A1 (fr) 1977-06-10
GB1519380A (en) 1978-07-26
DE2651577A1 (de) 1977-05-26

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Legal Events

Date Code Title Description
ST Notification of lapse