Matches 1 - 50 out of 105 1 2 3 >
Match Document Document Title
7584924 High speed vertical take-off and land aircraft with active fan balancing system  
A high-speed vertical take-off and land aircraft includes a body with an engine supported by the body. A fan assembly is also carried by the body. The fan assembly includes a hub and a plurality of...
7461811 VTOL personal aircraft  
An STOL or VTOL winged aircraft comprises a fuselage and a fixed wing attached to the fuselage and extending outward from the two lateral sides thereof, forming one wing component extending outward...
7434764 Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft  
A gearbox of a rotary-wing aircraft includes at least one variable speed system which optimizes the main rotor speed for different flight regimes such as a hover flight profile and a high speed...
7410122 VTOL UAV with lift fans in joined wings  
A vertical takeoff and landing (“VTOL”) aircraft, e.g., an unmanned aerial vehicle (“UAV”), includes an elongated fuselage having a pair of forward swept wings and a pair of rearward swept...
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...
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...
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...
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...
6978969 Fly-drive vehicle  
A fly-drive vehicle is disclosed including a vehicle body, a motor mounted on the vehicle body, at least one rotor rotatably attached to the vehicle body, a pair of wheels each rotatably attached...
6976654 Vertical takeoff and landing aircraft  
A flight capable mobile platform adapted for covert deployment is provided. The mobile platform is additionally adapted to have a reduced vulnerability to hostile detection and aggression. The...
6974106 V/STOL biplane  
The present invention is a 2 passenger aircraft capable of vertical and conventional takeoffs and landings, called a jyrodyne. The jyrodyne comprises a central fuselage with biplane-type wings...
6974105 High performance VTOL convertiplanes  
A single-tilt-rotor VTOL airplanes have a tiltable rotor attached to an elongated power pod containing the collective and cyclical pitch mechanism, and transmission. The power pod is pivotably...
6848649 V/STOL biplane aircraft  
The present invention is a 2 passenger aircraft capable of vertical and conventional takeoffs and landings, called a jyrodyne. The jyrodyne comprises a central fuselage with biplane-type wings...
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...
6793174 Pulsejet augmentor powered VTOL aircraft  
A vertical take-off and landing (VTOL) aircraft includes separate axial and vertical propulsion sources. The vertical propulsion source includes pulsejet engines located in separate augmentor bays...
6745977 Flying car  
A vehicle is in the general shape of a land vehicle, such as a car, but has a plurality of rotors so the vehicle is capable of flight in the manner of a VTOL or a helicopter. The vehicle has foot...
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...
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...
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,...
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...
6588701 Unmanned mobile device  
A remotely-controlled unmanned mobile device (UMD) adapted to function as a robot scout to enter and reconnoiter the site of a disaster and to communicate to a rescue mission information regarding...
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...
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...
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...
6517026 Vertical take-off and landing vehicle for land, water and air transport  
The present invention relates to a vehicle for land and air transport and, more specifically, to a vertical take-off and landing vehicle for land, water and air transport which is submersible and...
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...
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 (...
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...
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...
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...
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...
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...
6113029 Aircraft capable of hovering and conventional flight  
Vertical lift in an aircraft is produced by driving a column of air downwardly, through an annular thrust-flow channel which is formed in the body (fuselage) of the aircraft. The aircraft also has...
6062508 Compound aircraft  
A lift rotor assembly for a compound aircraft having a fuselage, including at least one circular disk structure with a plurality of bladelets spaced peripherally thereabout, a drive shaft coupled...
D418805 Unmanned multi-mode vertical take off and landing aircraft  
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;...
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...
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...
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...
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,...
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...
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...
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...
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...
5516060 Vertical take off and landing and horizontal flight aircraft  
The present invention pertains to an aircraft that is capable of converting between vertical flight or helicopter mode flight, and horizontal flight or airplane mode flight where a two-bladed rotor...
5454531 Ducted propeller aircraft (V/STOL)  
The aircraft incorporates a primary and two control ducted propeller assemblies. The propellers are interconnected for rotation by a single engine. Each propeller assembly is inclined in horizontal...
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...
5419514 VTOL aircraft control method  
In a vertical take-off and landing vehicle, the invention is a method for improving stability by virtue of establishing conversion of thrust vectors over the center of gravity of the vehicle while...
5407150 Thrust unit for VTOL aircraft  
A thrust unit for an aircraft having a lift unit for propelling the aircraft in upward flight. The lift unit includes a duct for directing air substantially downwardly, the duct being shaped so...
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...
Matches 1 - 50 out of 105 1 2 3 >