FR2479134B1 - - Google Patents
Info
- Publication number
- FR2479134B1 FR2479134B1 FR8106278A FR8106278A FR2479134B1 FR 2479134 B1 FR2479134 B1 FR 2479134B1 FR 8106278 A FR8106278 A FR 8106278A FR 8106278 A FR8106278 A FR 8106278A FR 2479134 B1 FR2479134 B1 FR 2479134B1
- 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
- B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- B64C2027/8254—Shrouded tail rotors, e.g. "Fenestron" fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13487180A | 1980-03-28 | 1980-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2479134A1 FR2479134A1 (fr) | 1981-10-02 |
| FR2479134B1 true FR2479134B1 (es) | 1984-06-01 |
Family
ID=22465393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8106278A Granted FR2479134A1 (fr) | 1980-03-28 | 1981-03-30 | Dispositif de montage de rotor d'helicoptere et procede pour ameliorer les performances de ce rotor |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS56138099A (es) |
| AR (1) | AR226884A1 (es) |
| AU (1) | AU540193B2 (es) |
| BR (1) | BR8101767A (es) |
| CA (1) | CA1166228A (es) |
| DE (1) | DE3111376A1 (es) |
| ES (1) | ES267982Y (es) |
| FR (1) | FR2479134A1 (es) |
| GB (1) | GB2072601B (es) |
| IL (1) | IL62492A (es) |
| IT (1) | IT1142349B (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5419513A (en) * | 1993-05-11 | 1995-05-30 | United Technologies Corporation | Ancillary aerodynamic structures for an unmanned aerial vehicle having ducted, coaxial counter-rotating rotors |
| US8882024B1 (en) * | 2013-06-24 | 2014-11-11 | Bell Helicopter Textron Inc. | Rotorcraft anti-torque rotor and rudder system |
| US9067676B1 (en) * | 2014-06-19 | 2015-06-30 | Bell Helicopter Textron Inc. | Convertible helicopter ring member |
| DE202017104316U1 (de) * | 2017-07-19 | 2018-10-24 | SBM Development GmbH | Heckrotoranordnung |
| CN116124407B (zh) * | 2023-04-10 | 2023-06-13 | 中国空气动力研究与发展中心低速空气动力研究所 | 获取雷达尾流对直升机尾部件气动特性影响的试验方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US29023A (en) * | 1860-07-03 | Cornelius j | ||
| US2123657A (en) * | 1937-07-23 | 1938-07-12 | Max M Munk | Thrust-relieved propeller |
| US2609053A (en) * | 1946-10-31 | 1952-09-02 | United Aircraft Corp | Shrouded tail rotor |
| NL110393C (es) * | 1955-11-29 | 1965-01-15 | Bertin & Cie | |
| US3055613A (en) * | 1957-12-05 | 1962-09-25 | Bruce G Taylor | Annular winged aircraft with trailing edge wing tab |
| DE1481629A1 (de) * | 1966-06-14 | 1969-03-20 | Piasecki Aircraft Corp | Vorrichtung zur Seitensteuerung von Flugzeugen |
| FR1511006A (fr) * | 1966-12-13 | 1968-01-26 | Sud Aviation | Dispositif directionnel et propulsif pour hélicoptère |
| US3583659A (en) * | 1968-04-26 | 1971-06-08 | Soc D Const Et D Exploit De Ma | Rotary-wing aircraft having an auxiliary rotor at its tail |
| US3525484A (en) * | 1968-06-17 | 1970-08-25 | Leonard E Mueller | Aerodynamic saucer |
| FR2349495A1 (fr) * | 1976-04-29 | 1977-11-25 | Baudchon Christian | Aile circulaire |
| US4196877A (en) * | 1977-06-15 | 1980-04-08 | Mutrux Jean L | Aircraft |
| AT353105B (de) * | 1977-10-31 | 1979-10-25 | Tech Geraete Entwicklung Ges | Flugkoerper |
| CH634516A5 (de) * | 1977-10-31 | 1983-02-15 | Tech Geraete Entwicklung Ges | Flugkoerper. |
| US4387867A (en) * | 1977-10-31 | 1983-06-14 | Technische Gerate-U Entwicklungsgesellschaft M.B.H. | Flying craft |
-
1981
- 1981-02-16 AU AU67327/81A patent/AU540193B2/en not_active Ceased
- 1981-02-17 CA CA000371055A patent/CA1166228A/en not_active Expired
- 1981-02-25 GB GB8105907A patent/GB2072601B/en not_active Expired
- 1981-03-13 JP JP3544481A patent/JPS56138099A/ja active Granted
- 1981-03-13 IT IT48024/81A patent/IT1142349B/it active
- 1981-03-23 DE DE19813111376 patent/DE3111376A1/de not_active Withdrawn
- 1981-03-24 AR AR284719A patent/AR226884A1/es active
- 1981-03-25 BR BR8101767A patent/BR8101767A/pt unknown
- 1981-03-26 IL IL62492A patent/IL62492A/xx unknown
- 1981-03-27 ES ES1981267982U patent/ES267982Y/es not_active Expired
- 1981-03-30 FR FR8106278A patent/FR2479134A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1166228A (en) | 1984-04-24 |
| GB2072601A (en) | 1981-10-07 |
| JPS56138099A (en) | 1981-10-28 |
| JPH0247400B2 (es) | 1990-10-19 |
| FR2479134A1 (fr) | 1981-10-02 |
| ES267982U (es) | 1983-05-01 |
| AU6732781A (en) | 1981-10-01 |
| GB2072601B (en) | 1984-04-18 |
| DE3111376A1 (de) | 1982-03-11 |
| AU540193B2 (en) | 1984-11-08 |
| IT8148024A0 (it) | 1981-03-13 |
| IT1142349B (it) | 1986-10-08 |
| ES267982Y (es) | 1983-11-16 |
| IL62492A (en) | 1985-04-30 |
| AR226884A1 (es) | 1982-08-31 |
| BR8101767A (pt) | 1981-09-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |