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7364114 |
Aircraft
The present invention concerns an aircraft having a plurality of lifting and thrust rotors, with an electric motor and an inverter for each motor. In order to provide an aircraft having a greater...
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7318564 |
Power line sentry charging
A surveillance aircraft recharging system based on energy collection by magnetic induction from the current flowing in a randomly selected alternating current transmission line conductor. The...
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7267300 |
Aircraft capable of vertical and short take-off and landing
Aircraft comprising an airframe having a forward end, an aft end opposite the forward end, a top extending between the forward end and the aft end, and a bottom opposite the top side. The aircraft...
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7267299 |
Aircraft
An aircraft includes a fuselage with a circular airfoil body supported thereabove on a vertical drive shaft mechanism. The airfoil body includes an upper disk forming an upper surface of the body...
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7246769 |
Vehicles particularly useful as VTOL vehicles
A vehicle including a fuselage, at least one lift-producing propeller carried by the fuselage on each side of its transverse axis a pilot's compartment formed in the fuselage between the...
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7231997 |
Hybrid drive powered lift platform
An air-based thrust recovery system for use in a powered lift platform utilizing fixed-pitch propellers is provided. The system utilizes an air compressor coupled to the drive motor of the platform...
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7104499 |
Rechargeable compressed air system and method for supplemental aircraft thrust
A system for providing aircraft thrust includes a compressor, operable to take in a quantity of air, reduce the volume of the air to generate compressed air, and to deliver the compressed air to a...
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7032859 |
Counter rotating ducted fan having a permanent magnet drive
A counter rotating ducted fan having a permanent magnet drive. comprising a ducted housing having an iron core stator and a pair of counter rotating propeller blades rotationally mounted on a...
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6885917 |
Enhanced flight control systems and methods for a jet powered tri-mode aircraft
A method of stabilizing a jet-powered tri-mode aircraft as the aircraft travels in a helicopter mode, a compound mode, and a fixed-wing mode is disclosed. The method includes receiving a plurality...
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6843447 |
Vertical take-off and landing aircraft
A vertical take-off and landing aircraft includes a fuselage, a left wing, a right wing, at least one forward thruster, a horizontal stabilizer and a vertical stabilizer. The left and right wings...
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6732972 |
High-lift, low-drag, stall-resistant airfoil
Method and apparatuse embodiments of the present invention are diclosed wherein wing-rotor configurations provide aerodynamically high lift-low drag capabilities and improvements over the prior art...
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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...
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6688552 |
Variable cycle propulsion system with mechanical transmission for a supersonic airplane
A variable cycle propulsion system for a supersonic airplane comprises at least one engine capable of generating thrust for flight at supersonic speeds together with at least one auxiliary...
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6672538 |
Transmission for a coaxial counter rotating rotor system
A transmission system for a hybrid aircraft is driven by a plurality of driveshafts and drives a translational propulsion system. Each driveshaft is mounted to a pinion gear which mesh with an...
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6629670 |
VTOL aircraft with angled thrusters
A VTOL aircraft having a fuselage, a first wing extending from one side of the fuselage, a second wing extending from an opposite side of the fuselage, a first thruster supported on the first wing,...
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6622962 |
Fixed wing aircraft having powered rotor VTOL capability with rotor blades stowable during horizontal flight
An apparatus that includes a rotor blade assembly capable of generating vertical lift, one or more propulsion units capable of engaging and disengaging from the rotor blade assembly, an...
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6575402 |
Cooling system for a hybrid aircraft
A cooling system for a hybrid aircraft includes an inlet which extends through the body to communicate airflow to a powerplant subsystem and out through an exhaust within a rotor duct. In a hover...
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6568630 |
Ducted vehicles particularly useful as VTOL aircraft
A VTOL aircraft (or other vehicle such as a sea vehicle) includes a pair of elongated ducts on opposite sides of the vehicle body, and a plurality of powered propellers (or other propulsion units...
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6561456 |
Vertical/short take-off and landing aircraft
An aircraft is provided having a fuselage and a pair of main wings. Each main wing includes a lift fan segment, a generally circular duct defined within the lift fan segment and a fan mounted...
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6467726 |
Aircraft and torque transmission
An aircraft including an airframe having a fuselage which extends longitudinally, and having fixed wings including a main wing, a horizontal tail wing and a vertical tail wing. A propeller-rotor...
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6340133 |
System to transform a horizontal take-off and self-sustained horizontal flight airplane into self-sustained horizontal flight, vertical landing and take-off, hybrid integrated airplane
The present invention relates to a system for the transformation of a traditional self-sustained horizontal take-off and landing aircraft into hybrid, integrated, self-sustained vertical take-off...
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6270038 |
Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop
An unmanned aerial vehicle that includes a fuselage with a partial toroidal forward portion, and an aft portion. A duct is formed through the fuselage and extends from the top to the bottom of the...
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6270037 |
Rapid response attitude control logic for shaft-driven lift fan STOVL engine
A short take-off and vertical landing ("STOVL") aircraft has a conventional gas turbine engine that is selectively mechanically connected to a vertically-oriented lift fan by a drive shaft when the...
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6269627 |
Rapid thrust response control logic for shaft-driven lift fan STOVL engine
A short take-off and vertical landing ("STOVL") aircraft has a conventional gas turbine engine that is selectively mechanically connected to a vertically-oriented lift fan by a drive shaft when the...
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6170778 |
Method of reducing a nose-up pitching moment on a ducted unmanned aerial vehicle
A method for reducing a nose-up pitching moment in an unmanned aerial vehicle during forward flight. The unmanned aerial vehicle includes counter-rotating rotor assemblies that are mounted within a...
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D418805 |
Unmanned multi-mode vertical take off and landing aircraft
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5931411 |
Hovering aircraft
In a novel hovering aircraft, an airfoil blade structure rotatable about a vertical axis comprises a set of upper blades and a set of lower blades, all having variable lift, the upper blades...
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5909857 |
Filimonov hybrid dirigible craft
The hybrid dirigible craft belongs to the category of flying vehicles which use an air cushion and take off and land at any type of airfield. The air of the invention is to design an improved...
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5895011 |
Turbine airfoil lifting device
A turbine airfoil unit is described which enables an aircraft to ascend and descend vertically. Multiple turbine airfoil units may be arranged within a large disk-like structure and thereby...
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5890441 |
Horizontal and vertical take off and landing unmanned aerial vehicle
A semiautonomously directed, autonomously controlled, gyroscopically stabilized, horizontal or vertical take off and landing (HOVTOL) flying apparatus employing two vertical lift devices equally...
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5873545 |
Combined flying machine
A combined flying machine comprises a fuselage (1) in the form of a central hick wing with a vertical open tunnel (2), in which there is mounted a lifting rotor (4). Said machine is also provided...
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5836543 |
Discus-shaped aerodyne vehicle for extremely high velocities
A discus-shaped aircraft is provided with a peripheral jet arrangement for generating lift and, in the bottom of the aircraft, at least one rocket engine supplied with silicon hydride and...
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5836542 |
Flying craft and a thruster engine suitable for use in such a craft
A flying craft (14) has a dish shaped body (18, 20, 21) with a convex upper surface (18) to provide lift. Engine means (1) in the form of a jet or rocket engine is housed in the body at the rear,...
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5823468 |
Hybrid aircraft
A hybrid aircraft is taught having VTOL, R-VTOL and S-STOL capabilities. The aircraft has a lifting body hull and four wing sections arranged in tandem which are pivotally moveable about their...
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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,...
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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...
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5730390 |
Reusable spacecraft
A reusable space craft having a disk-shaped casing which receives buoyancy upon horizontal travel through a gas atmosphere and three drive systems on the casing. A first drive system utilizes...
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5526999 |
Spacecraft with a crew escape system
The spacecraft comprises a fuselage (1), a wing (2), a power unit incorporating two liquid-propellant launching rocket engines (3), two liquid-propellant boost rocket engines (4), six...
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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...
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5320305 |
Propulsion system for an aircraft providing V/STOL capability
The invention is a propulsion system for powering an aircraft in both vertical and horizontal flight modes. In detail, the invention includes a pair of ducted lift fans mounted in the aircraft for...
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5312069 |
Propulsion system for an aircraft providing V/STOL capability
The invention is a propulsion system for powering an aircraft in both vertical and horizontal flight modes. In detail, the invention includes first and second gas-driven ducted lift fans mounted in...
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5275356 |
Propulsion system for a V/STOL aircraft
The invention is a propulsion system for powering an aircraft in both vertical and horizontal flight modes. In detail, the invention comprises a gas-driven ducted lift fan mounted in the aircraft...
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5246188 |
Wing turbines in conjuction with propulsion systems for aircraft and helicopters
An aircraft may have vertical take-off and landing capability including a power-generating mechanism, a propulsion-developing mechanism, and laterally extending wings. Each wing includes an...
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5149016 |
Prop jet airplane propelling system
A propelling system for an aircraft having a fuselage and a pair of swept wings, is provided and consists of a pair of propeller driving engines, each carried on top rearward edge of each swept...
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5149012 |
Turbocraft
An aircraft having a substantially circular body having a profile in the direction of flight as a profile of an airplane wing, at least two concentric counter-rotating turbo-blade assemblies within...
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5064143 |
Aircraft, having a pair of counter rotating rotors
The aircraft has a pair of rotors driven to counter-rotate within a housing. The housing has adjustable air guiding discuss for the rotor stream and a airfoil-like outer shape to generate lift at...
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4969614 |
Jet-propelled aircraft
In a jet-propelled aircraft of the type in which the propulsion jets are directed onto a wing so as to achieve an ejector effect, two vertical tail-fin surfaces are provided and extend downwardly...
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4880071 |
Toy air vehicle
A toy air propelled vehicle is set forth that utilizes a plurality of rearwardly oriented aligned impellers with a forwardly positioned impeller to elevate the vehicle. The rear impellers are...
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4767083 |
High performance forward swept wing aircraft
A high performance aircraft capable of subsonic, transonic and supersonic speeds employs a forward swept wing planform and at least one first-and-second-solution ejector located on the inboard...
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4757962 |
Amphibious vehicle
An amphibious vehicle comprises a fuselage having a pair of support pods at the front end thereof and a single support pod at the rear. In accordance with one embodiment of the invention, each pod...
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