AU6732781A - Helicopter rotor thrust ring - Google Patents
Helicopter rotor thrust ringInfo
- Publication number
- AU6732781A AU6732781A AU67327/81A AU6732781A AU6732781A AU 6732781 A AU6732781 A AU 6732781A AU 67327/81 A AU67327/81 A AU 67327/81A AU 6732781 A AU6732781 A AU 6732781A AU 6732781 A AU6732781 A AU 6732781A
- Authority
- AU
- Australia
- Prior art keywords
- thrust ring
- helicopter rotor
- rotor thrust
- helicopter
- ring
- Prior art date
- 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.)
- Granted
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13487180A | 1980-03-28 | 1980-03-28 | |
US134871 | 1980-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU6732781A true AU6732781A (en) | 1981-10-01 |
AU540193B2 AU540193B2 (en) | 1984-11-08 |
Family
ID=22465393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU67327/81A Ceased AU540193B2 (en) | 1980-03-28 | 1981-02-16 | Helicopter rotor thrust ring |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS56138099A (en) |
AR (1) | AR226884A1 (en) |
AU (1) | AU540193B2 (en) |
BR (1) | BR8101767A (en) |
CA (1) | CA1166228A (en) |
DE (1) | DE3111376A1 (en) |
ES (1) | ES267982Y (en) |
FR (1) | FR2479134A1 (en) |
GB (1) | GB2072601B (en) |
IL (1) | IL62492A (en) |
IT (1) | IT1142349B (en) |
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 (en) * | 2017-07-19 | 2018-10-24 | SBM Development GmbH | Tail rotor assembly |
CN116124407B (en) * | 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 | Test method for obtaining influence of radar wake on aerodynamic characteristics of helicopter tail piece |
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 (en) * | 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 (en) * | 1966-06-14 | 1969-03-20 | Piasecki Aircraft Corp | Device for lateral steering of aircraft |
FR1511006A (en) * | 1966-12-13 | 1968-01-26 | Sud Aviation | Directional and propulsion device for helicopter |
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 (en) * | 1976-04-29 | 1977-11-25 | Baudchon Christian | Vtol aircraft with circular wing - forces air radially outwards over ring of aerofoil section |
US4196877A (en) * | 1977-06-15 | 1980-04-08 | Mutrux Jean L | Aircraft |
CH634516A5 (en) * | 1977-10-31 | 1983-02-15 | Tech Geraete Entwicklung Ges | MISSILE. |
US4387867A (en) * | 1977-10-31 | 1983-06-14 | Technische Gerate-U Entwicklungsgesellschaft M.B.H. | Flying craft |
AT353105B (en) * | 1977-10-31 | 1979-10-25 | Tech Geraete Entwicklung Ges | AIRCRAFT |
-
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 IT IT48024/81A patent/IT1142349B/en active
- 1981-03-13 JP JP3544481A patent/JPS56138099A/en active Granted
- 1981-03-23 DE DE19813111376 patent/DE3111376A1/en not_active Withdrawn
- 1981-03-24 AR AR284719A patent/AR226884A1/en active
- 1981-03-25 BR BR8101767A patent/BR8101767A/en unknown
- 1981-03-26 IL IL62492A patent/IL62492A/en unknown
- 1981-03-27 ES ES1981267982U patent/ES267982Y/en not_active Expired
- 1981-03-30 FR FR8106278A patent/FR2479134A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
ES267982U (en) | 1983-05-01 |
JPS56138099A (en) | 1981-10-28 |
IT1142349B (en) | 1986-10-08 |
DE3111376A1 (en) | 1982-03-11 |
JPH0247400B2 (en) | 1990-10-19 |
CA1166228A (en) | 1984-04-24 |
IL62492A (en) | 1985-04-30 |
FR2479134A1 (en) | 1981-10-02 |
AU540193B2 (en) | 1984-11-08 |
IT8148024A0 (en) | 1981-03-13 |
AR226884A1 (en) | 1982-08-31 |
ES267982Y (en) | 1983-11-16 |
GB2072601A (en) | 1981-10-07 |
GB2072601B (en) | 1984-04-18 |
BR8101767A (en) | 1981-09-29 |
FR2479134B1 (en) | 1984-06-01 |
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