IT8148024A0 - Perfezionamento nei rotori di codadi elicotteri - Google Patents

Perfezionamento nei rotori di codadi elicotteri

Info

Publication number
IT8148024A0
IT8148024A0 IT8148024A IT4802481A IT8148024A0 IT 8148024 A0 IT8148024 A0 IT 8148024A0 IT 8148024 A IT8148024 A IT 8148024A IT 4802481 A IT4802481 A IT 4802481A IT 8148024 A0 IT8148024 A0 IT 8148024A0
Authority
IT
Italy
Prior art keywords
improvement
helicopter tail
tail rotors
rotors
helicopter
Prior art date
Application number
IT8148024A
Other languages
English (en)
Other versions
IT1142349B (it
Inventor
Harold E Lemont
Original Assignee
Textron Inc
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
Application filed by Textron Inc filed Critical Textron Inc
Publication of IT8148024A0 publication Critical patent/IT8148024A0/it
Application granted granted Critical
Publication of IT1142349B publication Critical patent/IT1142349B/it

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)
IT48024/81A 1980-03-28 1981-03-13 Perfezionamento nei rotori di coda di elicotteri IT1142349B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13487180A 1980-03-28 1980-03-28

Publications (2)

Publication Number Publication Date
IT8148024A0 true IT8148024A0 (it) 1981-03-13
IT1142349B IT1142349B (it) 1986-10-08

Family

ID=22465393

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48024/81A IT1142349B (it) 1980-03-28 1981-03-13 Perfezionamento nei rotori di coda di elicotteri

Country Status (11)

Country Link
JP (1) JPS56138099A (it)
AR (1) AR226884A1 (it)
AU (1) AU540193B2 (it)
BR (1) BR8101767A (it)
CA (1) CA1166228A (it)
DE (1) DE3111376A1 (it)
ES (1) ES267982Y (it)
FR (1) FR2479134A1 (it)
GB (1) GB2072601B (it)
IL (1) IL62492A (it)
IT (1) IT1142349B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116124407A (zh) * 2023-04-10 2023-05-16 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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
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 (it) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116124407A (zh) * 2023-04-10 2023-05-16 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

Also Published As

Publication number Publication date
IL62492A (en) 1985-04-30
GB2072601B (en) 1984-04-18
AR226884A1 (es) 1982-08-31
JPS56138099A (en) 1981-10-28
GB2072601A (en) 1981-10-07
DE3111376A1 (de) 1982-03-11
ES267982Y (es) 1983-11-16
ES267982U (es) 1983-05-01
FR2479134B1 (it) 1984-06-01
IT1142349B (it) 1986-10-08
JPH0247400B2 (it) 1990-10-19
CA1166228A (en) 1984-04-24
FR2479134A1 (fr) 1981-10-02
AU6732781A (en) 1981-10-01
AU540193B2 (en) 1984-11-08
BR8101767A (pt) 1981-09-29

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940329