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Document Title |
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7581608 |
Levitating platform
A levitating platform, which is capable of stable flight, is disclosed. Levitating platform ( 100 ) comprises a platform structure ( 110 ), which includes a bottom extended surface ( 116 ) and a...
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7428939 |
Waterjet drive hovercraft with adjustable trim system
A flexible skirt-cell system is provided for a hovercraft having a propulsion system mounted to interface with water and a flexible skirt having an upper flexible panel section and a lower flexible...
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7306066 |
Air cushion vehicle and game
The present invention is an air cushion vehicle and a control mechanism for steering and turning the vehicle. The air cushion vehicle includes a frame having a skirt body extending around the...
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6648270 |
Vehicle
A vehicle is disclosed having a hull with a longitudinal, vertical and lateral axis, the hull further having front end and rear ends and first and second sides. A turbofan engine mounted in said...
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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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6082478 |
Lift augmented ground effect platform
The lift augmented ground effect platform of the present invention is characterized by two pair of annular concentric air curtain nozzles and supercharge nozzles which direct respective jet streams...
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5941331 |
Air cushion vehicle control system
Control of air cushion vehicles is obtained by controlling the translation of the vehicle independently from control of the rotation (yaw). Lateral translation of the vehicle is controlled by...
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5836413 |
Hovercraft capable of storing energy and air-cushion producing method therefor
A hovercraft includes a plurality of energy storing containers for storing a low-temperature, high-pressure gas therein, a heat exchange device for performing heat exchange between the gas from the...
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5636702 |
Aerodynamic and ground effect craft
A craft for ground effect and aerodynamic flight has, in addition to the usual vertical and horizontal stabilizer(s), a primary, upper airfoil, a lower secondary airfoil and a pivotable flap. The...
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5566775 |
Skirted surface effect vehicle
A surface effect vehicle for traversing a water or ground surface is provided. The surface effect vehicle comprises an elongate body and forward and rear scoops, preferably having a large angle of...
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5314035 |
Surface effect vehicle
A surface effect vehicle having a pair of lifting scoops, or air foils, mounted on a vehicle body, one in front and the other in the rear. Each lifting scoop has an arched leading edge to collect...
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5307893 |
Air cushion vehicle having volute side thrusters
An air cushion vehicle having improved maneuverability is produced by providing air discharge vents for diverting at least a portion of the pressurizing cushion air from the side of the volute...
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5273128 |
Hovercraft control system
An air-cushion vehicle is provided with an intermediate plenum which provides air to the air-cushion cavity. Propulsion and steering is effected by means of two parallel double-ended ducts that are...
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5267626 |
Near surface vehicle
A near surface vehicle including a vehicle body including a nose section having a canard with lift and pitch control. The vehicle body including a cockpit or cabin with a main wing mounted adjacent...
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5158033 |
Air cushion vehicles
An elongated vehicle body has a forward bow portion, a stern, and a lower portion with the floor and sides runners defining a longitudinal rearwardly opening air channel in the underside thereof....
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5125470 |
Hovercraft
A hovercraft is described having a fan mounted to rotate about a vertical axis. The airflow from the fan is directed to the skirt to create lift and to horizontally aligned outlets to positively...
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5096012 |
Direction and lift control for hovercraft
A hovercraft includes a hull having a plurality of diffusion apertures and air skirt for providing a supporting air cushion. An engine drives a propeller which produces an airflow. A movable...
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4862984 |
Amphibious air cushion vehicle
An amphibious air cushion vehicle includes a body defining an air containment wall, and an inflatable tube is attached to the body and defines a rearward opening. A fan is positioned within the...
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4836121 |
Surface effect ship
A surface effect ship and a system of cushion pressurization by forcing into the cushion chamber a homogeneous mixture of air and gas. The surface effect ship is provided with a hull, having...
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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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4747459 |
Hovercraft
A hovercraft includes a rigid body and a flexible skirt pending from a lower periphery thereof. A main engine and propeller are coupled to the rigid body and provide a main propeller thrust. A...
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4718513 |
Wheel driven air cushion vehicle
An air cushion vehicle comprises a main engine connected to drive, firstly, a fan device for generating an air cushion for the support of the vehicle, and secondly, a traction wheel device for...
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4714443 |
Flexible exhaust duct
A novel exhaust system for both conducting engine exhaust gases away from and aft of the personnel occupied portion of a marine vessel and protecting the sides of the hull of the vessel from...
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4534434 |
Propulsion plant for air-cushioned vehicles
An air-cushioned vehicle wherein the air pressure differential between the plenum chamber and the atmosphere is used to charge a jet engine; thus allowing the use of pulse-jet or ram-jet power...
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4529054 |
Fluid flow control systems
A fluid flow control system for connecting a source of pressurized fluid with a region of varying pressure, comprises a fluid supply duct having an inlet end connectable to the pressure source end...
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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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4413697 |
Air cushion vehicle
Disclosed is an air cushion vehicle intended to move on land or water, having a platform surrounded by an inflatable skirt. A belt is positioned around the platform interior of the skirt and...
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4397367 |
Lift and propulsion unit of air-cushion transport vehicle
There is proposed a lift and propulsion unit for an air-cushion transport vehicle, with an axial fan installed at the entrance portion of an annular duct and at the exit of said annular duct is...
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4196686 |
Surface effect ship internal sidewall drag reduction device
A sidewall drag reduction system for captured air bubble type surface eff ships having rigid surface-piercing sidewalls. Pressurized air is discharged vertically down into the surface effect ship...
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4071207 |
Vertical take-off aircraft
A wingless vertical take-off aircraft having multiple ducted propeller rotors with controllable pitch blades symmetrically mounted in the forward and the rear portions and on both sides of the...
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4056159 |
Air cushion vehicle
A vehicle, primarily a marine vessel, but also adaptable for travel over snow or ice, which is supported and propelled by air flow through a channel in the underside of the body. An impeller in a...
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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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3977491 |
Gas-cushion vehicles
An air-cushion vehicle is provided with an inflatable flexible skirt of bag-like form. The bottom of the skirt defines a convex face in close proximity to the surface over which the vehicle travels...
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3931864 |
Air sustension propulsion
A vehicle which is supported and propelled by pressurized air. A stream of pressurized air is directed from at least one nozzle means away from the bottom of the body of the vehicle. The stream is...
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3908783 |
Winged surface effect vehicle
A winged surface effect vehicle has two parallel wings spaced apart in the direction of flight, and of which the front wing has a strongly curved underside to act as air scoop, whose effectiveness...
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3907061 |
Gas-cushion vehicles
An air-cushion vehicle is provided with a flexible skirt of hollow, inflatable form, which is attached to and depends from the vehicle body so as to contain, at least in part, the...
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3877542 |
Vehicle with an air cushion lifting system
A vehicle with an air-cushion lifting system having improved propulsion, stabilizing and control devices, said vehicle comprising: a platform equipped with flexible bands forming a plurality of...
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3869020 |
AIR CUSHIONED VEHICLE
An air cushioned vehicle includes a control system for permitting the vehicle to move sidewards and rearwards and for accurately steering the vehicle during these movements. The control system also...
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3831525 |
AUTOMATED ASSEMBLY LINE WITH AIR CUSHION DEVICES
An assembly line with a plurality of self propelled air cushion transporters for moving large loads through an assembly area. An automatic control system with a plurality of control points, with...
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3827527 |
GIMBAL GROUND EFFECT VEHICLES
Ground effect vehicles including power means for providing a flow of gas and gimbal mounted flow-directing means for selectively directing the flow of gas into a lift component and a propulsion or...
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3805913 |
AIR-CUSHION VEHICLE EDGE SKIRT ARRANGEMENT
An air-cushion vehicle lower-edge skirt arrangement including a flexible diaphragm attached at the edge of the hard structure of the vehicle and extending downwardly to an elongated member which...
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3777842 |
AIRCAR
A vehicle having an air intake system at the forward end thereof, which directs a portion of the ingested air downwardly to fill a pliable doughnut-shaped skirt extending around the vehicle; the...
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3730298 |
SURFACE EFFECT VEHICLE
A surface effect vehicle having an outer hull and an inner hull secured to a bottom wall which, in turn, has a plurality of longitudinal and transverse openings that are adapted to exhaust...
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3718203 |
GROUND EFFECT VEHICLE WITH INTEGRATED FORWARD THRUST MEANS
An air cushion vehicle is provided which utilizes a single motor to provide the air cushion and forward thrust. Front mounted air intakes are connected as inputs to a fan. The fan is driven by air...
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3669212 |
AIR-PROPELLED VEHICLE AND METHOD FOR DRIVING AND STEERING SAID VEHICLE
An air-propelled vehicle having an air tunnel on either side of the central longitudinal vertical plane of the vehicle and an air thrust source forwardly of the tunnels blowing a jet of air of...
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3662851 |
AIR-CUSHION VEHICLE WITH BRUSH SUPPORT
An air-cushion vehicle has a plurality of brushes mounted on the body within the boundary of the downwardly extending peripheral wall or skirt thereof, and extending downwardly to or below the...
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3656575 |
GROUND EFFECT MACHINE
A ground-effect machine having a rigid outer plenum chamber which is substantially triangular and has an inverted, cup-shaped form. The two leading sides of the plenum chamber adjacent the bow have...
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3612208 |
AIR-CUSHION VEHICLE WITH REVERSE THRUST BRAKES
A single propeller mounted toward the front of the vehicle provides both propulsion and air cushion. Two point steering is provided by front and rear steering vanes with air channels on each side...
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3608663 |
AIR CUSHION VEHICLE WITH THRUST CONTROL
A single propeller mounted toward the front of the vehicle provides both propulsion and air cushion. Two-point steering is provided by front and rear steering vanes with air channels on each side...
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3566797 |
JET THRUST PROPULSION OR BRAKING DEVICE FOR A GROUND EFFECT MACHINE
A propulsion or braking device for a fluid cushion machine comprising means for supplying pressurized fluid to the cushion and exhausting fluid therefrom with a velocity component directed along...
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