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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/631,600 US4008979A (en) | 1975-11-13 | 1975-11-13 | Control for helicopter having dual rigid rotors |
US05/631,599 US4027999A (en) | 1975-11-13 | 1975-11-13 | Analog mixer to vary helicopter rotor phase angle in flight |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2331479A1 FR2331479A1 (fr) | 1977-06-10 |
FR2331479B1 true FR2331479B1 (xx) | 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 (xx) |
BR (1) | BR7607626A (xx) |
DE (1) | DE2651577C2 (xx) |
FR (1) | FR2331479A1 (xx) |
GB (1) | GB1519380A (xx) |
IL (1) | IL50878A (xx) |
IT (1) | IT1064383B (xx) |
Families Citing this family (7)
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 (xx) * | 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)
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 (xx) * | 1971-04-06 | 1981-04-04 |
-
1976
- 1976-10-26 GB GB44425/76A patent/GB1519380A/en not_active Expired
- 1976-11-10 IL IL50878A patent/IL50878A/xx unknown
- 1976-11-11 BR BR7607626A patent/BR7607626A/pt unknown
- 1976-11-12 FR FR7634098A patent/FR2331479A1/fr active Granted
- 1976-11-12 IT IT29285/76A patent/IT1064383B/it active
- 1976-11-12 JP JP51136816A patent/JPS5951479B2/ja not_active Expired
- 1976-11-12 DE DE2651577A patent/DE2651577C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR7607626A (pt) | 1977-09-27 |
GB1519380A (en) | 1978-07-26 |
IL50878A (en) | 1980-01-31 |
DE2651577A1 (de) | 1977-05-26 |
FR2331479A1 (fr) | 1977-06-10 |
DE2651577C2 (de) | 1986-07-31 |
JPS5951479B2 (ja) | 1984-12-14 |
IT1064383B (it) | 1985-02-18 |
JPS5262898A (en) | 1977-05-24 |
IL50878A0 (en) | 1977-01-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |