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7658346 Double ducted hovering air-vehicle  
A dual ducted fan arrangement in which the duct components, engine, and avionics/payload pods are capable of being quickly disassembled to fit within common backpacking systems. Each duct is...
7654073 Power generating systems and methods  
A power-generating system is provided for operating adiabatically and reducing emissions of greenhouse gases contributing to global warming. The system may include gas reactors and/or combustors...
7604199 Aerofoil containment structure  
A stage of fan aerofoils ( 10 ) lies within a fan cowl ( 12 ). The fan duct ( 16 ) is defined in part by a hard casing ( 14 ) that in turn surrounds aerofoils ( 10 ). Hard casing ( 14 ) includes...
7604201 Nacelle drag reduction device for a turbofan gas turbine engine  
The nacelle drag reduction device comprises a substantially circular and axis symmetrical external airfoil concentric with a aft section of the nacelle and located outside a propulsive jet zone...
7581692 Fluidic chevrons and configurable thermal shield for jet noise reduction  
A system for jet engine noise control of a jet engine having a main jet stream exiting an exhaust nozzle and flowing along a jet axis includes a thermal acoustic shield directed at a non-zero angle...
7555893 Aircraft propulsion system  
To provide an aircraft propulsion system which can secure the optimum thrust and thrust vector for flight conditions, as well as the optimum sectional area for the engine, and which is highly...
7543777 Air guiding flap of an aircraft comprising control of the pressure forces impinging thereon, process for adjusting the position of an air guiding flap and ram air system including such an air guiding flap  
An air guiding flap of an aircraft wherein one surface thereof faces an air duct and is exposed to a prevailing pressure in the air duct and whose opposite surface is exposed to the pressure of the...
7543451 Aircraft engine exhaust shroud  
A shroud for an aircraft engine exhaust plume, the shroud being formed of a flexible material secured at one end to the exhaust nozzle and selectively extendable downstream with the exhaust plume...
7516918 Morphable ceramic composite skins and structures for hypersonic flight  
An exemplary morphable ceramic composite structure includes a flexible ceramic composite skin and a truss structure attached to the skin. The truss structure can morph shape of the skin from a...
7509797 Thrust vectoring missile turbojet  
A turbojet engine includes a core engine, an afterburner, and a converging-diverging exhaust nozzle in serial flow communication. A thrust vectoring system is joined between a compressor and the...
7506839 Engine airframe J-seal damper  
An aircraft fuselage intake duct seal dampens vibration in a compression seal member of an engine case inlet. The intake duct seal includes an inner leg that engages a stationary portion of the...
7448199 Self powdered missile turbojet  
A turbojet engine includes a core engine, an afterburner, and a converging-diverging exhaust nozzle in serial flow communication. An integral starter-generator is disposed inside the core engine...
7419121 Integrated mount duct for use with airborne auxiliary power units and other turbomachines  
An integrated mount duct includes a load ring for mounting a turbomachine to a flight vehicle, wherein the load ring has a cylindrical shape with a flange edge and a stepped edge, and comprises one...
7413141 Gas turbine engine fuel control system and regulating valves therefor  
A fuel control system for reheat burners of a gas turbine engine has a plurality of metering valves for respective burners, and throttle valves in series with the respective metering valves. A...
7407133 Using imbalanced thrust in a multi-engine jet aircraft  
Methods of operating a multi-engine jet-aircraft. According to one embodiment of the present invention, a first jet engine and a second jet engine are provided. One of the jet engines has a lesser...
7287725 Missile control system and method  
A missile includes a control system having divert and attitude control system thrusters with control valves. Each of the control valves has a nozzle plate having a plurality of small nozzles...
7267297 Integrated axially varying engine muffler, and associated methods and systems  
Integrated axially varying engine mufflers, and associated methods and systems. An arrangement in accordance with one embodiment of the invention includes a tailcone having a tapering external...
7217184 Electrical generator fluid-flow-coolant filtration method  
A ventilating and particle-filtering airflow methodology for managing the flow of air to the electrical sliding-contact zone of an on-board aircraft (vehicle) electrical generator. Conduit...
7150431 Electrical generator fluid-flow-coolant filtration  
A ventilating and particle-filtering airflow system, and related methodology, for managing the flow of air to the brush region of an on-board aircraft (vehicle) electrical generator. Conduit...
7121512 Drain particularly for engine support strut  
A drain, for example for an aircraft engine support strut, arranged on the trailing edge of the rear secondary structure of the strut. The drain includes a conduit with a substantially horizontal...
7100868 Method for the control of aero gas turbine engines  
The exchange, removal or addition, as applicable, of media and/or power between the individual shafts of an engine, between individual engines and between the engines and the aircraft provides for...
7100869 Turboprop carrier structure and an assembly including such a carrier structure  
The carrier structure of the invention is used for carrying a turboprop and it is designed to be mounted beneath and/or in front of an airplane wing. In characteristic manner, the carrier structure...
7093793 Variable cam exhaust nozzle  
An exhaust nozzle includes an exhaust duct with an outlet and a row of radial apertures upstream therefrom. A radial frame surrounds the duct upstream from the apertures. A row of flaps are hinged...
7090165 Aeroengine nacelle  
A nacelle ( 55 ) for a gas turbine engine ( 10 ), the engine ( 10 ) comprising accessories ( 34 ) mounted to a fan casing ( 28 ) and a core engine ( 9 ), the nacelle ( 55 ) substantially surrounds...
7070147 Lubricating oil filling structure for an engine  
The lower end of a filler tube is attached to a service hole formed on a cylinder block in a horizontally opposed engine on a rear side of the engine, e.g., on side opposite from which an output...
7011274 Aircraft  
The invention concerns a land and flying vehicle with its tubular frame, 2 main rotors with blades and adjustable pitch-propellers, with its drive propelled by the force of a hydraulic turbine...
7010905 Ventilated confluent exhaust nozzle  
An exhaust nozzle includes an outer duct surrounding an inner duct. The inner duct includes a main outlet, and a row of apertures spaced upstream therefrom. The outer duct includes a row of intakes...
7012233 Thrust vectoring a flight vehicle during homing using a multi-pulse motor  
A method and apparatus for thrust vectoring a flight vehicle during homing are disclosed. The flight vehicle includes a body; a plurality of attitude control mechanisms on the body; a multi-pulse...
6983912 Hybrid exhaust heat shield for pylon mounted gas turbine engines  
The present invention is a hybrid engine exhaust heat shield assembly that includes a plurality of sections. The plurality of sections include one or more sections formed of titanium (or other high...
6969028 Scarf nozzle for a jet engine and method of using the same  
A scarf nozzle for a jet engine supported within a nacelle. The scarf nozzle is at an aft end of the nacelle. The scarf nozzle includes a first trailing edge portion and a second trailing edge...
6938855 Hooking strut of an engine under the wing unit of an aircraft  
A strut ( 10 ) for hooking an engine ( 16 ) under a wing body assembly ( 12 ) of an aircraft comprises a rigid structure as well as a mechanism for hooking this structure under the wing body...
6921046 Creating imbalanced thrust in a center line mounted multi-engine jet aircraft configuration and a method of using imbalanced thrust  
A centerline mounted overbalanced multiple main jet engine configuration. The multiple jet engines are centerline mounted rather than parallel offset. While each jet engine is a “main” engine,...
6837459 Air intake for large-size nacelle with enhanced transportability  
An air intake of a turbofan engine, capable of being fixed at the front of an engine casing enclosing the fan. The air intake includes an annular inner wall, an annular outer cowl radially spaced...
6745980 Unbalanced gyroscopic apparatus for producing unidirectional thrust  
An unbalanced gyroscopic apparatus is disclosed for producing unidirectional thrust without having to interact with an external gas, liquid, or solid mass. The technique is based on the controlled...
6729575 Propulsion system for a vertical and short takeoff and landing aircraft  
The invention is a propulsion system for a V/STOL aircraft. In detail, the invention includes a turbo-fan engine having a fan section with a variable pitch fan, a compressor section, a combustion...
6717285 Multiple collector wind driven power generating device  
A wind powered generating device comprises a tube cluster, a collector assembly, and a turbine assembly. The collector assemblies utilize sails that can be rotated to direct wind down through an...
6712314 Method for the control of aero gas turbine engines  
The exchange, removal or addition, as applicable, of media and/or power is provided between the individual shafts of an engine, between individual engines and between the engines and the aircraft....
6704625 Aircraft architecture with a reduced bleed aircraft secondary power system  
The present invention relates to an improved architecture for an aircraft. The aircraft has a first engine, a first gearbox associated with the first engine, a first starter/generator associated...
6703720 Wind powered generator device  
A wind powered generating device comprises a tube cluster, a collector assembly, and a turbine assembly. The collector assemblies utilize sails that can be rotated in the direction of the wind to...
6676073 Pivoting power transmission unit with peripheral face toothed gearwheels of the face gear type  
A pivoting power transmission unit is provided for transmitting rotational drive from a power source to a rotor configured to revolve about a first axis and configured to swivel about a second axis...
6666408 Closure fault indicator, particularly for an aircraft engine pod cowl  
In order to avoid an operator forgetting to actuate locking mechanism interposed between two elements, such as the pod cowls ( 12, 14 ) of an aircraft engine, when said elements are in the closed...
6634596 Aircraft system architecture  
An integrated aircraft system which comprises an aircraft frame, a nacelle cowl mounted to the aircraft frame, a primary gas turbine engine mounted within the nacelle cowl, a secondary power system...
6615165 Cable connections between an unmanned aircraft and a detachable data handling module  
A power and communications connection arrangement for a miniature, unmanned aircraft having data handling capability. The aircraft has a microprocessor for managing flight control, a GPS receiver,...
6578667 Thrust reverser blocker door access platform  
An access platform comprising a series of stackable polyurethane foam block assemblies that when properly secured to each other creates a set of steps and handholds similar to a ladder. At the top...
6568633 Fuel cell powered electric aircraft  
Electrically powered aircraft having fuel cells as at least a partial source of electrical energy. In many instances the electrical energy powers an electric motor used to propel the aircraft. In...
6550718 Aircraft engine  
An aircraft engine includes an exhaust gas purifying device for purifying exhaust gas from the engine, and a switching device for switching the engine between an emission-emphasized mode in which...
6527224 Separate boundary layer engine inlet  
A dual boundary layer engine inlet for a turbofan propulsion engine of an aircraft having a first air inlet positioned generally within the boundary layer flowing around the exterior surface of the...
6453221 Method for determining a minimum control speed for an aircraft  
A method for determining a minimum control speed for an aircraft includes measuring, during at least one flight of the aircraft, the values of predefined parameters, recording these values in a...
6450447 Auxiliary power unit for an aircraft  
An auxiliary power unit for an aircraft includes a gas turbine with a combustion chamber a compressor and a turbine. A compressor is coupled with the turbine, for generating compressed air. A fuel...
6446909 Reciprocating chemical muscle(RCM) and method for using same  
A preferred apparatus for generating power from a non-combustive chemical reaction with the power being sufficient to enable motion of the apparatus includes a reaction chamber containing a...
Matches 1 - 50 out of 291 1 2 3 4 5 6 >