GB2320477B - Improvements in or relating to helicopters - Google Patents
Improvements in or relating to helicoptersInfo
- Publication number
- GB2320477B GB2320477B GB9213471A GB9213471A GB2320477B GB 2320477 B GB2320477 B GB 2320477B GB 9213471 A GB9213471 A GB 9213471A GB 9213471 A GB9213471 A GB 9213471A GB 2320477 B GB2320477 B GB 2320477B
- 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.)
- Expired - Fee Related
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)
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 (3)
Publication Number | Publication Date |
---|---|
GB9213471D0 GB9213471D0 (en) | 1997-11-19 |
GB2320477A GB2320477A (en) | 1998-06-24 |
GB2320477B true GB2320477B (en) | 1998-09-23 |
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 Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9114085.5A Pending GB9114085D0 (en) | 1991-06-29 | 1991-06-29 | Improvements in or relating to helicopters |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB9114085D0 (en) |
Families Citing this family (8)
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 |
Citations (6)
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 |
GB2012223A (en) * | 1977-12-21 | 1979-07-25 | Summa Corp | Helicopter |
US4711415A (en) * | 1985-01-30 | 1987-12-08 | Northrop Corporation | X-wing helicopter-scout attack configuration |
GB2238996A (en) * | 1989-12-08 | 1991-06-19 | Westland Helicopters | Compound helicopters |
GB2238995A (en) * | 1989-12-08 | 1991-06-19 | Westland Helicopters | Compound helicopters |
-
1991
- 1991-06-29 GB GBGB9114085.5A patent/GB9114085D0/en active Pending
-
1992
- 1992-06-25 GB GB9213471A patent/GB2320477B/en not_active Expired - Fee Related
Patent Citations (6)
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 |
GB2012223A (en) * | 1977-12-21 | 1979-07-25 | Summa Corp | Helicopter |
US4711415A (en) * | 1985-01-30 | 1987-12-08 | Northrop Corporation | X-wing helicopter-scout attack configuration |
GB2238996A (en) * | 1989-12-08 | 1991-06-19 | Westland Helicopters | Compound helicopters |
GB2238995A (en) * | 1989-12-08 | 1991-06-19 | Westland Helicopters | Compound helicopters |
Also Published As
Publication number | Publication date |
---|---|
GB9213471D0 (en) | 1997-11-19 |
GB9114085D0 (en) | 1997-09-17 |
GB2320477A (en) | 1998-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020625 |