GB9114085D0 - Improvements in or relating to helicopters - Google Patents

Improvements in or relating to helicopters

Info

Publication number
GB9114085D0
GB9114085D0 GBGB9114085.5A GB9114085A GB9114085D0 GB 9114085 D0 GB9114085 D0 GB 9114085D0 GB 9114085 A GB9114085 A GB 9114085A GB 9114085 D0 GB9114085 D0 GB 9114085D0
Authority
GB
United Kingdom
Prior art keywords
helicopters
relating
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
GBGB9114085.5A
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GBGB9114085.5A priority Critical patent/GB9114085D0/en
Priority to GB9213471A priority patent/GB2320477B/en
Publication of GB9114085D0 publication Critical patent/GB9114085D0/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/002—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto with means to modify the direction of thrust vector
    • F02K1/004—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto with means to modify the direction of thrust vector by using one or more swivable nozzles rotating about their own axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/36—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto having an ejector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/38—Introducing air inside the jet
    • F02K1/386—Introducing air inside the jet mixing devices in the jet pipe, e.g. for mixing primary and secondary flow
    • 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
    • B64C2027/829—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 a V-tail units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Jet Pumps And Other Pumps (AREA)
GBGB9114085.5A 1991-06-29 1991-06-29 Improvements in or relating to helicopters Pending GB9114085D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB9114085.5A GB9114085D0 (en) 1991-06-29 1991-06-29 Improvements in or relating to helicopters
GB9213471A GB2320477B (en) 1991-06-29 1992-06-25 Improvements in or relating to helicopters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9114085.5A GB9114085D0 (en) 1991-06-29 1991-06-29 Improvements in or relating to helicopters

Publications (1)

Publication Number Publication Date
GB9114085D0 true GB9114085D0 (en) 1997-09-17

Family

ID=10697554

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9114085.5A Pending GB9114085D0 (en) 1991-06-29 1991-06-29 Improvements in or relating to helicopters
GB9213471A Expired - Fee Related GB2320477B (en) 1991-06-29 1992-06-25 Improvements in or relating to helicopters

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9213471A Expired - Fee Related GB2320477B (en) 1991-06-29 1992-06-25 Improvements in or relating to helicopters

Country Status (1)

Country Link
GB (2) GB9114085D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA2808329C (en) 2010-09-20 2016-02-23 Bell Helicopter Textron Inc. Airfoil shaped tail boom
CA2817281C (en) 2010-11-12 2016-01-19 Bell Helicopter Textron Inc. Propulsive anti-torque nozzle system with external rotating sleeve for a rotorcraft
US8636244B2 (en) 2010-11-12 2014-01-28 Textron Innovations Inc. Propulsive anti-torque nozzle system with rotating thrust director for a rotorcraft
US8469308B2 (en) * 2010-11-12 2013-06-25 Textron Innovations Inc. Aircraft wing extension and nozzle system
EP2619089B1 (en) * 2010-11-12 2015-02-18 Bell Helicopter Textron Inc. Anti-torque nozzle system with internal sleeve valve for a rotorcraft
EP2933187B1 (en) 2014-04-15 2017-01-11 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Rotary wing aircraft with a multiple beam tail boom
MC200172B1 (en) * 2015-02-13 2016-04-15 Tourn Jean Claude AERIAL DEVICE COMPRISING A CARRIER STRUCTURE AND A ROTATING ELEMENT HAVING FASTENING MEANS FOR ATTACHING AT LEAST ONE BLADE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807662A (en) * 1972-11-13 1974-04-30 Lockheed Aircraft Corp Anti-torque, propulsion, and directional control system
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
US4711415A (en) * 1985-01-30 1987-12-08 Northrop Corporation X-wing helicopter-scout attack configuration
GB8927784D0 (en) * 1989-12-08 1990-05-30 Westland Helicopters Helicopters
GB8927785D0 (en) * 1989-12-08 1990-05-30 Westland Helicopters Helicopters

Also Published As

Publication number Publication date
GB9213471D0 (en) 1997-11-19
GB2320477A (en) 1998-06-24
GB2320477B (en) 1998-09-23

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