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7520466 |
Gyro-stabilized air vehicle
A vertical takeoff and landing (VTOL) air vehicle disclosed. The air vehicle can be manned or unmanned. In one embodiment, the air vehicle includes two shrouded propellers, a fuselage and a...
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7407132 |
Method of steering aircraft by moving the stagnation point and aircraft using the method
An aircraft which includes elements providing air circulation and directing the circulation along a housing. Different operational stages of the aircraft such as take off and level flight are...
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7334756 |
Ground-effect craft and method for the cruising flight thereof
The invention relates to flying vehicles. A centre wing is provided with aerodynamic profiles on the longitudinal sections thereof. A cigar-shaped fuselage is arranged on the central wing. A crew...
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7188803 |
Vertical take-off and landing aircraft
A vertical take-off and landing aircraft is provided with a plurality of thrust generators which generate thrust substantially vertically upward with respect to the aircraft; a first prime mover...
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7044422 |
Gyrostabilized self propelled aircraft
An unmanned air vehicle comprises a fuselage that defines aerodynamic flight surfaces, an engine mounted to the fuselage having an engine shaft arranged to rotate about a longitudinal axis with...
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6854686 |
VTOL aircraft
VTOL aircraft comprising a first and a second ducted rotor positioned at the ends of a vertical fuselage and whose propellers are driven to rotate in mutually opposite directions. Control flaps for...
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6616094 |
Lifting platform
A novel drive for a lifting platform utilizing a simple propeller, impeller, or gas turbine is disclosed. The axial air rotation from the drive is eliminated in order to permit the development of a...
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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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6547181 |
Ground effect wing having a variable sweep winglet
A variable sweep winglet with a negative dihedral angle is provided for a ground effect vehicle. The winglet is positionable at a sweep angle to control the winglet tip clearance from ground....
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6520449 |
Lifting platform with positive horizontal stability
A novel means of stability for a lifting platform utilizing toroidal vortex airflow through air guide means. A toroidal vortex created by the airflow means efficiently maintains a raised air...
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6419190 |
Airborne cleaning and painting robot
A Cleaning and Painting Robot having the capability to fly, and a cleaning or painting mechanism that can be located at various positions on the robot body. The robot comprises of a flying unit...
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6375117 |
Flying vehicle and method
A vertically ascending flying vehicle and method. The flying vehicle consists of a body, which may be in the shape of a saucer or an airfoil, and an engine located above the body. The engine...
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6290184 |
Flying craft with water and air propulsion source
A propulsion system for a flying craft uses an air and water fuel source to provide propulsion thrust. The system includes two steam generating units, one attached directly to a compact turbine and...
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6260796 |
Multi-thrustered hover craft
A feedback control system for a multi-thrusted hovercraft is disclosed. In a hover craft having a plurality of vertically oriented thruster that are controlled by a system that relies on operator...
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6230835 |
Ground effect vehicle
The invention concerns a ground effect vehicle comprising hydrofoils or hydrofoil outer parts (18) which can pivot about a parallel line relative to the longitudinal axis of the body in order to...
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6158540 |
Ground effect flying craft with simplified air cushion take-off aid
A ground effect flying craft utilizing a pressure cavity (10) for low speed support on a static air cushion. The cavity is bounded by a streamlined aft body (18), a fore body (24), and side plates...
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6053451 |
Remote-control flight vehicle structure
A remote-control flight vehicle structure includes an inner housing fixedly mounted, an outer housing rotatably mounted on the inner housing along a vertical axis thereof, an annular wing fixedly...
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5971321 |
Body lift airplane assembly
A body lift airplane assembly including 1) a main air lift body assembly of substantial length and width; 2) a landing gear/wheel assembly retractably connected to the main air lift body assembly;...
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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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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...
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5738302 |
Airborne vehicle
An airborne vehicle generally comprises a body, a lifting mechanism for lifting the vehicle, and a steering mechanism operable by a user for steering the vehicle. The lifting mechanism comprises...
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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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5480110 |
Transport plane with stub tail
A transport plane with stub tail, which is preferably propelled by two jet engines. The intake air is fed to the engines directly integrated in the fuselage tail via a diffusor, the diffusor is a...
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5402963 |
Acoustically shielded exhaust system for high thrust jet engines
A flade exhaust nozzle for a high thrust jet engine is configured to form an acoustic shield around the core engine exhaust flowstream while supplementing engine thrust during all flight...
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5141173 |
Pressure-jet and ducted fan hybrid electric car
A hybrid electric vehicle (10) capable of ground travel and air travel is described. The vehicle provides for movement over the ground by wheel motors (20) mounted at each of four ground engaging...
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5072892 |
Aerodynamic device
An aerodynamic vehicle includes a central body with a vertical axis, an outer wall and a bottom wall, a first rotatable disk concentric with the central body axis and rotatable in a first...
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5016837 |
Venturi enhanced airfoil
A basic airfoil has its operating performance improved by incorporating one or more apertures in the airfoil adjacent its trailing edge. These apertures extend from the upper surface of the airfoil...
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4886224 |
Aircraft lift mechanism
An apparatus for producing lift in a flying vehicle comprising a top deck of a flying vehicle having a cylindrical well formed thereinto, a discoidal member positioned within the cylindrical well,...
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4828205 |
Device for carrying and lifting loads and moving same by aerodynamic lifting
The disclosure describes a device for carrying and lifting loads and moving ame by aerodynamic lifting, rotary-wing aerial propulsion, having two coaxial rotors of same diameters rotating at the...
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4828058 |
Hovercraft with improved maneuverability
Disclosed is a hovercraft having a pair of air cushions, associated with each air cushion is a rotatable fan which partly produces lifting force and partly propels and maneuvers the craft. The fans...
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4796836 |
Lifting engine for VTOL aircrafts
A hovering or VTOL aircraft with a propulsion unit using a fan in a shroud whose upper end is toroidally shaped and rotationally symmetrical with a convex curvature with a radius of curvature...
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4705234 |
Ram wing surface effect vehicle
A surface effect vehicle comprises a hull of a generally rectangular shape concave at the front underside and contouring to a flat planing hull at the stern, an upper surface forming an airfoil, a...
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4660670 |
Wing-in-ground effect air cushion vehicle
An air-cushion vehicle of the type having a flat rigid platform with rigid longitudinal walls attached to the platform. In such an air-cushion vehicle a plurality of transverse trough-shaped skirts...
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4643268 |
Air lifted and propelled vehicle
The disclosure concerns a vehicle which is both lifted and propelled by air flow. The vehicle comprises an upper deck, a depending peripheral side wall and a flexible, perforated sheet secured...
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4541357 |
Watercraft having water jet lift
A watercraft (10) operates as a conventional displacement vessel or as an airborne craft. In the airborne mode water is drawn upward through a drogue (18) by operation of a pump (42) which is...
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4462560 |
Airplane take-off system
This invention provides a system for launching aircraft into free flight regime regardless of runway conditions, wherein a sled of the self-powered air cushion vehicle type is configured in plan...
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4151893 |
Wing in ground effect vehicle
A wing in ground effect (WIG) vehicle, the body of which is a low aspect io airfoil. Soft end plates allow for proper sealing of pressure below the wing while preventing the transmittal of wave...
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4046215 |
Vessel mobile on air cushion or the like
A propeller driven vehicle, such as an air cushion hovercraft, comprising a hull, a teardrop shaped cabin mounted on the hull and a propeller arranged in front of the cabin. A gutter shaped...
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3997131 |
Rotor means for an aircraft
A rotor arrangement for an aircraft comprising two coaxially counter-rotatable rotators, each rotor being journaled freely rotatable about an imaginary axis of rotation common to both rotors on or...
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3990658 |
Boundary layer control for air cushion landing systems
An air cushion landing system for aircraft, ground effect machines and the like utilizing boundary layer control around the outer sides of an inflated bag to improve its aerodynamic...
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3891047 |
Skirts of gas cushion vehicles
Pitch, roll or heave control of a gas cushion vehicle is effected by the provision of a skirt comprising upper and lower parts of flexible sheet material at least the lower part being formed by a...
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3748854 |
LIFT ENGINE
A lift engine assembly for aircraft capable of producing lift and/or thrust having a tip turbine operated lift fan with at least one gas turbine engine being arranged about the circumference of the...
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3726493 |
AIR CUSHION SYSTEM FOR AIRCRAFT REMOVAL
Apparatus and method for quick conversion of a disabled aircraft or other structure to a ground effects machine includes the use of a flexible skirt conforming to the periphery of the structure and...
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3640486 |
FLYING WING HAVING GROUND-EFFECT TAKEOFF AND LANDING
Aerodyne for the transoceanic transport of freight, with a thick profile flying wing between thin longitudinal panels disposed in the direction of normal travel and provided at the bottom with...
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3524611 |
CONTROLLABLE AIR DUCT FOR VERTICAL AND SHORT TAKE-OFF AND LANDING TYPE OF AIR VEHICLE
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3519224 |
VERTICAL TAKEOFF AND LANDING AIRCRAFT
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3515236 |
APPARATUS FOR PROVIDING AN AIR CUSHION FOR A GROUND EFFECT VEHICLE
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3507461 |
ROTARY WING AIRCRAFT
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3506221 |
ONE-MAN AIRCRAFT WITH JET-POWERED LIFT AND PROPULSION
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