GB2072601B - Helicopter rotor thrust ring - Google Patents

Helicopter rotor thrust ring

Info

Publication number
GB2072601B
GB2072601B GB8105907A GB8105907A GB2072601B GB 2072601 B GB2072601 B GB 2072601B GB 8105907 A GB8105907 A GB 8105907A GB 8105907 A GB8105907 A GB 8105907A GB 2072601 B GB2072601 B GB 2072601B
Authority
GB
United Kingdom
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.)
Expired
Application number
GB8105907A
Other versions
GB2072601A (en
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.)
Textron Inc
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 GB2072601A publication Critical patent/GB2072601A/en
Application granted granted Critical
Publication of GB2072601B publication Critical patent/GB2072601B/en
Expired legal-status Critical Current

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)
GB8105907A 1980-03-28 1981-02-25 Helicopter rotor thrust ring Expired GB2072601B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2072601A GB2072601A (en) 1981-10-07
GB2072601B true GB2072601B (en) 1984-04-18

Family

ID=22465393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105907A Expired GB2072601B (en) 1980-03-28 1981-02-25 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)

* 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 (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)

* 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 (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.
AT353105B (en) * 1977-10-31 1979-10-25 Tech Geraete Entwicklung Ges AIRCRAFT
US4387867A (en) * 1977-10-31 1983-06-14 Technische Gerate-U Entwicklungsgesellschaft M.B.H. Flying craft

Also Published As

Publication number Publication date
FR2479134A1 (en) 1981-10-02
GB2072601A (en) 1981-10-07
AU540193B2 (en) 1984-11-08
JPH0247400B2 (en) 1990-10-19
ES267982Y (en) 1983-11-16
IL62492A (en) 1985-04-30
BR8101767A (en) 1981-09-29
ES267982U (en) 1983-05-01
IT1142349B (en) 1986-10-08
IT8148024A0 (en) 1981-03-13
DE3111376A1 (en) 1982-03-11
FR2479134B1 (en) 1984-06-01
AU6732781A (en) 1981-10-01
AR226884A1 (en) 1982-08-31
CA1166228A (en) 1984-04-24
JPS56138099A (en) 1981-10-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950225