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Match Document Document Title
7281680 VTOL/STOL ducted propeller aircraft  
The aircraft incorporates a single ducted propeller. The fuselage Bridges over the ducted propeller assembly, and is shaped in a way that the incoming air can smoothly flow into the propeller area....
6926229 Aircraft with thrust vectoring for switchably providing upper surface blowing  
Aircraft having thrust vectoring for switchably providing upper surface blowing. The aircraft generally includes a wing and an engine. The engine can be rotatably supported to supporting structure...
6918244 Vertical takeoff and landing aircraft propulsion systems  
This patent concerns VTOL propulsion systems that develop a forward flow of air through the air intake duct(s), by the methods of a internal duct system, reversing the rotation of the fan, or a...
6857597 Control system for vertical take off and land (VTOL) aircraft  
A vertical take off and land (VTOL) jet aircraft may have a jet engine mounted in a forward portion of the aircraft. A thrust deflection assembly may be provided rearward of the jet engine, and...
6824095 VSTOL vehicle  
A VSTOL vehicle including a fuselage with two pairs of ducted rotors fully enclosed fore and aft of the fuselage respectively. The fuselage is aerodynamically shaped to generate lift in forward...
6808140 Vertical take-off and landing vehicles  
A VTOL vehicle including a fuselage with two foldable wings, two tiltable nacelles attached to the wings, a vertical stabilizer, a horizontal stabilizer, and two auxiliary thrusters. Each nacelle...
6568635 Apparatus and method for flight control of an aircraft  
An apparatus and method for flight control of an aircraft provides a body with adjustable intake ports ducting air into an internal intake manifold. Adjusting the openings of the intake ports...
6547180 Impeller-powered vertical takeoff and descent aircraft  
A vertical take-off and vertical descent aircraft having a vertically extending main air duct extending through the body and having an air inlet at the top and a number of air outlets at the...
6520450 V/STOL aircraft  
An aircraft having a powerplant with an aft-directed main propulsion outlet means for providing forward thrust, and further including duct means having an inlet for receiving at least a proportion...
6450445 Stabilizing control apparatus for robtic or remotely controlled flying platform  
A robotic or remotely controlled flying platform ( 10 ) with reduced drag stabilizing control apparatus constructed having an air duct ( 12 ) with an air intake ( 14 ) on the top and an exhaust (...
6382560 High speed vertical take-off and land aircraft  
A high-speed vertical take-off and land (HSVTOL) aircraft includes a disk-shaped fuselage wit a rotatable fan having a nozzle ring driven by hot jet gasses and fan air from jet engines. Feed ducts...
6371407 Mechanism for vectoring exhaust flow  
A mechanism and methods for directing the flow of exhaust gases associated with a V/STOL aircraft. A pair of constant area nozzles are associated with a plenum chamber that receives and contains...
6352220 Helicopter tail boom with venting for alleviation and control of tail boom aerodynamic loads and method thereof  
In at least one embodiment, the apparatus of the invention is a flight vehicle tail assembly having an exterior surface, at least one first vent in the exterior surface, at least one second vent in...
6318668 Thrust vectoring techniques  
A thrust directing mechanism to vector thrust and control discharge throat area with a number of vanes mounted across the passage. The mechanism includes a control link pivotally coupled to each of...
6311928 Jet engine cascade thrust reverser for use with mixer/ejector noise suppressor  
A cascade thrust reverser for use with a mixer/ejector noise suppressor has a set of internal blocker doors controllably moveable between a stowed position, where engine exhaust passes through and...
6293489 Lock for a trust reverser  
A lock for a thrust reverser comprising a retainer member carried by a pivot pin, the pivot pin being angularly moveable between a first position in which the retainer member retains a part of the...
6260794 Dolphin cascade vane  
An exhaust nozzle includes cascade vanes mounted in a duct for discharging exhaust. The vanes have a dolphin profile which is effective for turning subsonically the exhaust near leading edges of...
6250586 Apparatus and method for controlling the motion of a solid body or fluid stream  
This invention discloses a fluid dynamic system including a fluid medium separated from a solid medium by a solid boundary, one of which media is moving with respect to the other, apparatus for...
6041273 Emergency control aircraft system using thrust modulation  
A digital longitudinal Aircraft Propulsion Control (APC) system of a multiengine aircraft is provided by engine thrust modulation in response to comparing an input flightpath angle signal γc from...
6036141 Jet thruster for helicopter antitorque and yaw control system  
An improved jet thruster system for use in a helicopter without a tail rotor. A non-rotating outer thruster assembly is attached to the rear of the tail boom which, within it, has a source of low...
6021976 Operation of a helicopter  
5984229 Extremely short takeoff and landing of aircraft using multi-axis thrust vectoring  
A system for enabling an aircraft to accomplish extremely short takeoffs and landings, which includes an integrated flight control system; a takeoff system; a landing system and a high...
5947625 Pivot attachment for a movable thrust reverser element  
A pivot system is disclosed for pivotally connecting a movable component to a fixed component, the pivot system having a swivel device mounted on one of the movable and fixed components, a headed...
5842667 Vertical takeoff and landing mass transit system and method  
The invention relates to a mass transit method including a docking terminal where passengers are loaded onto a craft with integral passenger pod. The craft lifts vertically from the docking...
5779188 Flight device  
A flight vehicle which can be joined and firmly strapped to a load, the load being either a human pilot (P) or a remote-controlled pilot. The flight vehicle comprises a supporting frame for...
5779169 Aircraft engine inlet hot gas and foreign object ingestion reduction and pitch control system  
An aircraft for vertical or short take off and landing operations having two main lift nozzles, both positioned at or near the aircraft center of gravity utilizes one or more jet screen nozzles,...
5765778 Flight vehicle with a safety device  
An aircraft which is capable of safely landing during an emergency landing is disclosed. The aircraft has a safety device which includes a plurality of auxiliary engines. Each auxiliary engine is...
5746390 Air-land vehicle with ducted fan vanes providing improved performance  
A ducted fan 20 provides lift to a flying vehicle 10. The ducted fan includes direction control vanes (1, 2, 3, 4) for controlling torques applied to the vehicle, and also includes lift negation...
5720453 Fluid flow control devices and methods  
A VSTOL aircraft powerplant comprises a gas turbine engine (1), a chamber (2) for receiving exhaust from the turbine section of the engine (1), and a jet propulsion nozzle (3) and vertical lift...
RE35387 Superfragile tactical fighter aircraft and method of flying it in supernormal flight  
A superagile tactical fighter aircraft and a method of flying it are disclosed. The superagile aircraft is characterized by articulatable air inlets, articulatable exhaust nozzles, highly...
5524827 Method and nozzle for producing thrust  
A method and apparatus for producing a thrust force from an annular axial stream of gaseous products fed to a nozzle with a supercritical pressure drop and acceleration to subsonic speed. In the...
5507453 Gyro stabilized vectored thrust vertical takeoff or landing aircraft  
The thrust director assembly may include a thrust director cone with its apex oriented into the fan airstream and a larger thrust vectoring ring concentric with the director cone. The thrust...
5505407 Air-land vehicle  
A flying vehicle has wheels for highways, and a body and an engine. The body, engine and load define a center of mass (CG). Shrouded fans are located about the CG so as to produce, in conjunction...
5485958 Mechanism for operating a cascade of variable pitch vanes  
In a V/STOL aircraft having a vectorable exhaust device in the form of a cascade of variable pitch nozzle vanes, an operating mechanism for effecting coordinated pivotal movement of the vanes is...
5478016 Vectorable nozzle  
A vectorable nozzle for directing the thrust produced by an aircraft mounted lift fan includes three relatively rotatable nozzle sections. A first of the nozzle sections is part toroidal in form,...
5470020 Combination turbojet engine nozzle and thrust reverser  
A combination converging-diverging exhaust nozzle and thrust reverser for an aircraft turbojet engine is disclosed having a generally annular array of cold flaps extending from a downstream end of...
5464175 Variable camber vane  
A variable camber vane comprises a plurality of articulated spanwise segments which can be operated by a mechanism of pivoted links at one end. A plurality of such vanes may be arranged in a...
5433400 Aircraft design  
An aircraft comprises a hollow elongated body having a plurality of short wings projecting outwardly form the body in a vertically stacked array. The wings transverse substantially the entire...
5421538 VTOL aircraft  
A vertical takeoff and landing heavier-than-air aircraft that includes a gyroscopic airfoil in the airstream of a ducted fan to cause vertical lift to the aircraft. The gyroscopic foil is both...
5390877 Vectorable nozzle for aircraft  
In a VTOL or STOL aircraft in which a lift device is housed internally within the aircraft fuselage or wing an outlet nozzle is stowable within the lift device exit aperture. A pair of doors, which...
5374010 Deflected slipstream vertical lift airplane structure  
A vertical lift and short takeoff airplane achieving a powered lift which is generated by deflecting downward on the order of nearly 90° the slipstream from the driven propellors by means of the...
5372337 Unmanned aerial aircraft having a single engine with dual jet exhausts  
An unmanned aerial vehicle incorporates a single engine with bifurcated exhausts which are coupled to side mounted rotating nozzles through a swivel joint. Jet deflection means are mounted to the...
5295643 Unmanned vertical take-off and landing, horizontal cruise, air vehicle  
An unmanned air vehicle capable of vertical take-off and landing, hovering and high-speed horizontal cruise flight. A forward centerbody houses an engine and carries a single rotor assembly having...
5209432 Aircraft reverser port door  
Doors sealing radial flow ports are opened by rotation which slides the doors away from the ports. All doors rotate about a longitudinal centerline of the aircraft. Each flow port has its inlet...
5186390 Propelling nozzle  
A propelling nozzle has upper and lower primary and secondary flaps which are disposed opposite one another at a mutual distance and which are sealingly movably guided between lateral wall portions...
5170964 Propelling nozzle for the thrust vector control for aircraft equipped with jet engines  
The proposal is for a thrust nozzle for aircraft fitted with jet engines especially for lateral thrust vector control, in which the upstream ends of at least two flaps (8, 12) actuated via...
5167383 STOL aircraft  
A STOL aircraft includes propfan engines which are each connected to a lower surface of one of the wings by a pylon. The propfan engine is located directly below the wing and are each equipped with...
5161741 Aircraft nozzle control apparatus  
The invention concerns nozzle control apparatus for VSTOL aircraft power plant having at least one vectorable thrust nozzles 22. The apparatus comprises oscillating means for oscillating the...
5145129 Unmanned boom/canard propeller v/stol aircraft  
An unmanned aircraft is provided which dual turbo shaft engines diving contra-rotating propellers. A bow plane provides pitch control during normal aircraft cruising. The contra-rotating propellers...
5131605 Four engine VTOL aircraft  
A VTOL aircraft has a first engine nacelle mounted under the wing on one side of the fuselage and houses two of the aircraft engines. The first engine nacelle is mounted in close proximity with the...
Matches 1 - 50 out of 228 1 2 3 4 5 >