GB8927784D0 - Helicopters - Google Patents

Helicopters

Info

Publication number
GB8927784D0
GB8927784D0 GB898927784A GB8927784A GB8927784D0 GB 8927784 D0 GB8927784 D0 GB 8927784D0 GB 898927784 A GB898927784 A GB 898927784A GB 8927784 A GB8927784 A GB 8927784A GB 8927784 D0 GB8927784 D0 GB 8927784D0
Authority
GB
United Kingdom
Prior art keywords
helicopters
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.)
Pending
Application number
GB898927784A
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.)
AgustaWestland Ltd
Original Assignee
Westland Helicopters Ltd
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 Westland Helicopters Ltd filed Critical Westland Helicopters Ltd
Priority to GB898927784A priority Critical patent/GB8927784D0/en
Publication of GB8927784D0 publication Critical patent/GB8927784D0/en
Priority to GB9026434A priority patent/GB2238996B/en
Priority to IT48545A priority patent/IT1242175B/en
Priority to FR9015337A priority patent/FR2655612B1/en
Priority to DE4039028A priority patent/DE4039028A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
    • B64C27/26—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft characterised by provision of fixed wings
    • 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
    • B64C2027/8245—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 using air jets
    • 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
    • B64C2027/8263—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 comprising in addition rudders, tails, fins, or the like
    • B64C2027/8272—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 comprising in addition rudders, tails, fins, or the like comprising fins, or movable rudders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB898927784A 1989-12-08 1989-12-08 Helicopters Pending GB8927784D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB898927784A GB8927784D0 (en) 1989-12-08 1989-12-08 Helicopters
GB9026434A GB2238996B (en) 1989-12-08 1990-12-05 Compound helicopters
IT48545A IT1242175B (en) 1989-12-08 1990-12-06 COMPOSITE HELICOPTER.
FR9015337A FR2655612B1 (en) 1989-12-08 1990-12-07 COMBINED HELICOPTERS.
DE4039028A DE4039028A1 (en) 1989-12-08 1990-12-07 COMPOSITE HELICOPTER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898927784A GB8927784D0 (en) 1989-12-08 1989-12-08 Helicopters

Publications (1)

Publication Number Publication Date
GB8927784D0 true GB8927784D0 (en) 1990-05-30

Family

ID=10667637

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898927784A Pending GB8927784D0 (en) 1989-12-08 1989-12-08 Helicopters
GB9026434A Expired - Lifetime GB2238996B (en) 1989-12-08 1990-12-05 Compound helicopters

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9026434A Expired - Lifetime GB2238996B (en) 1989-12-08 1990-12-05 Compound helicopters

Country Status (4)

Country Link
DE (1) DE4039028A1 (en)
FR (1) FR2655612B1 (en)
GB (2) GB8927784D0 (en)
IT (1) IT1242175B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9114085D0 (en) * 1991-06-29 1997-09-17 Rolls Royce Plc Improvements in or relating to helicopters
FR2679199B1 (en) * 1991-07-16 1997-01-31 Aerospatiale ANTICOUPLE SYSTEM FOR HELICOPTER.
US5676335A (en) * 1995-03-08 1997-10-14 Mcdonnell Douglas Helicopter Company Airflow control system for a helicopter
ZA962567B (en) * 1995-07-25 1996-10-07 Denel Pty Ltd Operation of a helicopter
CN101048313A (en) 2004-09-28 2007-10-03 贝尔直升机泰克斯特龙公司 Propulsive anti-torque system for rotorcraft
NL1043177B1 (en) * 2019-03-04 2020-09-17 Pal V Ip B V Vertical Take Off and Landing Vehicle
CN110228585B (en) * 2019-06-14 2022-11-22 安徽工业大学 Combined wing aircraft
US11584522B2 (en) * 2020-11-30 2023-02-21 Textron Innovations Inc. Rotorcraft with cooling anti-torque system
US11760472B2 (en) * 2020-12-01 2023-09-19 Textron Innovations Inc. Rudders for rotorcraft yaw control systems

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2383038A (en) * 1943-06-04 1945-08-21 Bossi Enea Airing of antitorque propellers
US2941749A (en) * 1955-04-06 1960-06-21 United Aircraft Corp Jet propelled convertiplane with jet driven rotor
DE1124823B (en) * 1959-05-02 1962-03-01 Daimler Benz Ag Propulsion for aircraft
FR1298518A (en) * 1961-06-02 1962-07-13 Sud Aviation Helicopter orientation control device
GB964360A (en) * 1961-12-12 1964-07-22 Power Jets Res & Dev Ltd Helicopter
DE1272729B (en) * 1965-04-22 1968-07-11 Dornier Gmbh Combination aircraft with a rotor arranged at the tail
US4026472A (en) * 1965-12-08 1977-05-31 General Electric Company Convergent-divergent plug nozzle
DE1526809C3 (en) * 1966-04-28 1973-12-06 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Thrust nozzle for gas turbine jet engines, preferably for afterburner engines
US3442471A (en) * 1966-12-27 1969-05-06 Helen M Fischer Nozzle structure
US3409250A (en) * 1966-12-27 1968-11-05 Gen Electric Movable fairing for an aircraftmounted nozzle
US3612402A (en) * 1969-12-22 1971-10-12 Rohr Corp Thrust-controlling apparatus with variable axial flow area for differing flight regimes and thrust reversal
US3678690A (en) * 1970-07-10 1972-07-25 United Aircraft Corp Convertible composite engine
GB1407428A (en) * 1971-10-20 1975-09-24 Mtu Muenchen Gmbh Gas turbine engine having a power turbine system adapted to be selectively cut in
US3807662A (en) * 1972-11-13 1974-04-30 Lockheed Aircraft Corp Anti-torque, propulsion, and directional control system
DE2328460A1 (en) * 1973-06-05 1975-01-02 Motoren Turbinen Union V/STOL. turbo-jet engine - has multi-flow and multi-drive shaft construction
US3957226A (en) * 1975-01-27 1976-05-18 The Boeing Company Helicopter yaw and propulsion mechanism
US4200252A (en) * 1977-12-21 1980-04-29 Summa Corporation Helicopter antitorque system using circulation control
FR2501786A1 (en) * 1981-03-13 1982-09-17 Snecma DEVICE FOR BEARING AND GUIDING AN ORIENTABLE NOZZLE OF A REACTION PROPELLER
GB2130984B (en) * 1982-12-01 1986-07-02 Rolls Royce Compound helicopter and power plant therefor
IT1183880B (en) * 1985-06-07 1987-10-22 Agusta Aeronaut Costr HELICOPTER WITH TURBINE POWER SUPPLY UNIT PROVIDED WITH EXHAUST MASK DEVICE
GB2194597B (en) * 1986-08-29 1990-07-25 Rolls Royce Plc A variable area exhaust nozzle for a gas turbine engine

Also Published As

Publication number Publication date
FR2655612B1 (en) 1995-06-23
DE4039028A1 (en) 1991-06-13
IT9048545A0 (en) 1990-12-06
GB9026434D0 (en) 1991-01-23
FR2655612A1 (en) 1991-06-14
IT1242175B (en) 1994-02-16
GB2238996A (en) 1991-06-19
IT9048545A1 (en) 1991-06-09
GB2238996B (en) 1993-05-19

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