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Document |
Document Title |
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7506837 |
Inbound transition control for a tail-sitting vertical take off and landing aircraft
A system for controlling inbound transition of an aircraft includes a fuselage and first and second freewings pivotably mounted on opposing sides thereof. The system includes an airspeed sensor...
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7472862 |
Rotating blade aircraft control system
In a preferred embodiment, an apparatus, including: an aircraft having rotatable blades; and the rotatable blades are movable between horizontal and vertical positions.
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7441724 |
System and method for controlling a roll rate of a torsionally-disconnected freewing aircraft
An aircraft includes a fuselage, and first and second freewings. Each of the first and second freewings is separately mounted to the fuselage and independently freely pivotable about respective...
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7226017 |
Aerodynamically stable, high-lift, vertical takeoff aircraft
In a preferred embodiment, a vertical takeoff aircraft body having an inverted hemispherical upper portion, a generally cylindrical lower portion with a diameter of its upper end slightly greater...
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7118066 |
Tall V/STOL aircraft
A vertical or short takeoff and landing (V/STOL) airplane is described having a vertical form factor. Making the airplane tall has many advantages when operating in hover mode close to the ground....
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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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6634593 |
Remote controlled aircraft, in particular for surveillance or inspection
The invention concerns a remote-controlled flying machine, in particular for surveillance and inspection, capable of hovering and comprising a spherical open-worked resistant shroud integral with a...
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6561455 |
Vertical take-off and landing, aerodynamically self-sustained horizontal flight hybrid aircraft
An vertical take-off and landing (VTOL) and horizontal flight (HF) aircraft has a fuselage with wings providing lift during horizontal flight, a rotor on the nose of the fuselage that is stowable...
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6550715 |
Miniature vertical takeoff and landing aircraft
A vertical takeoff and landing aircraft is disclosed that includes a support structure having a motor mounted vertically thereto, with the motor having a propeller for rotation in a horizontal...
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6502787 |
Convertible vertical take-off and landing miniature aerial vehicle
A vertical take-off and landing miniature aerial vehicle includes an upper fuselage segment and a lower fuselage segment that extend in opposite directions from a rotor guard assembly. A rotor...
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6398157 |
Aircraft
An aircraft capable of vertical take off and normal cruise flight has a fuselage and a pair of wings, the wings being movable relative to the fuselage from a rearwardly swept position to which the...
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6086015 |
Aerial transport method and apparatus
Apparatus for transporting a load between source and destination locations, comprising an aircraft having a body, power plant carried by the body to drive the aircraft both generally vertically and...
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RE36487 |
Airplane with variable-incidence wing
The craft is for hovering flight, vertical takeoff and landing, and horizontal forward flight. It has a tail-sitting fuselage and a ducted fan mounted to the fuselage aft to provide propulsion in...
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5769359 |
Active feedback loop to control body pitch in STOL/VTOL free wing aircraft
An aircraft control system for controlling an aircraft, particularly a free wing aircraft in low speed or hover regimes. An air speed sensor measures air speed of the aircraft and outputs an air...
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5765783 |
Vertically launchable and recoverable winged aircraft
A vertically launchable and recoverable winged aircraft includes an airframe, a least one proprotor connected to the airframe through a rotatable drive shaft, and collective and cyclic pitch...
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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...
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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...
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5340057 |
Thrust vectoring free wing aircraft
The VTOL aircraft includes a free wing having wings on opposite sides of the fuselage connected to one another for joint free rotation and for differential pitch settings under pilot, computer or...
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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...
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5289994 |
Equipment carrying remote controlled aircraft
It works like a helicopter in vertical flight or like an airplane in horizontal flight, being able to land accurately on a small area. It is equipped with a rotor, a couple of wings fitted with...
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5114096 |
Tail sitter airplane
A tail sitter airplane will take off and land on its tail section, with its fuselage and nose pointed up. The airplane has a single driven propeller mounted to the nose section. Wings extend...
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5062587 |
Landing gear for a tail sitting airplane
A tail sitter aircraft of a type that takes off and lands on its tail section with the fuselage pointed vertically upward has landing gears located on its rearward end. Each of the landing gears is...
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5056737 |
VTOL aircraft with movable undercarriage
A vertical take-off and landing aircraft is configured so as to provide, when landing tail-first with its fuselage (1) in a generally vertical attitude, a touchdown area (21) at the tail of the...
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4085912 |
Convertible airship
A gondola, or cabin structure, is attached to a lighter-than-air gas-containing structure by mounting apparatus enabling rotation of the longitudinal axis of the gas-containing structure through...
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4037807 |
Flight vehicle
A flight vehicle comprises a vehicle body with a duct having a longitudinal axis extending through the body, and a fan for inducing a flow of ambient air through the duct from an inlet end to an...
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3589646 |
VERTICAL TAKE-OFF AND LANDING AIRPLANE
A vertical takeoff and landing airplane including a master body provided with a propelling mechanism, and a subordinate body suspended from the master body solely by a universal joint, whereby...
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3420472 |
HELICOPTER HAVING IN HORIZONTAL FLIGHT THE CHARACTERISTICS OF AN AIRPLANE
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3356315 |
Aircraft
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3142455 |
Rotary vertical take-off and landing aircraft
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3120359 |
Aircraft with equi-spaced power plants
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3116040 |
Supersonic rotary wing platform
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3096952 |
Vertical take off aircraft
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3045953 |
Device for steering aircraft designed for vertical flight
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3036794 |
Aircraft
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2866608 |
Vertical-take-off type aircraft with jet driven rotor system
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2859003 |
Aerodyne
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2850250 |
Turbine powered convertible aircraft
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2837300 |
Vertical and horizontal flight aircraft
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2794609 |
Multiple brake system for aircraft
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