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8181907 |
Wing-drive mechanism and vehicle employing same
A wing-drive mechanism is described that permits, with proper control, movement of a wing about multiple wing trajectories. The wing-drive is capable of independent movement about three rotational...
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7963478 |
Wing-flapping flying apparatus and method of using the same
The present invention provides a wing-flapping flying apparatus, which can fly by moving its wings similar to a bird hovering or flying in the air by flapping its wings. The wing-flapping flying...
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7742846 |
Surface contact override landing scheme for a FBW rotary-wing aircraft
A method of transitioning from a complex response flight state to a ground operation control state. Pilot intent is determined through collective position information to control the transition. An...
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7617024 |
Automatic heading control system for tiltrotor aircraft and helicopters
One embodiment of the present invention is a method for automatically reducing the effect of a component of an external force that is laterally incident on a rotorcraft. A signal of the rotorcraft...
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7607610 |
Ornithopter having a wing structure and a mechanism for imparting realistic, bird-like motion thereto
An ornithopter having segmented, flapping wings and capable of bird-like flight. A main drive system provides flapping motion to the wings. Servo systems are provided for independently moving each...
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7410121 |
Man-powered ornithopter-sailplane
A man-powered ornithopter-sailplane, which has one or two pair of flapping wings and a hang-glider wing wherein substantially novel femoral and humeral muscular propulsion engines with the aid of...
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7341222 |
Micro-unmanned aerodynamic vehicle
A MEMS-based micro-unmanned vehicle includes at least a pair of wings having leading wing beams and trailing wing beams, at least two actuators, a leading actuator beam coupled to the leading wing...
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7255305 |
Flying device utilizing natural principles
An efficient flying device having flapping wings, an ornithopter, which uses many of the principles seen in bird flight, is presented herein. The wings are highly flexible, translationally stable...
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7195199 |
Flapping apparatus
A flapping apparatus includes a first disk rotated by a driving source, and a second disk that rotates in contact with a main surface of the first disk. The second disk is provided with first and...
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7036769 |
Microstructures using carbon fiber composite honeycomb beams
A drive assembly for a wing of a micromechanical flying insect. The drive assembly comprises a honey comb structure. A method for flying a micromechanical flying insect comprising moving a wing...
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6959895 |
Dual wing-pair air vehicle
A vehicle for flying and having a forward portion and a rearward portion opposite the forward. The vehicle includes a first pair of wings arranged at the forward portion of the vehicle, a second...
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6942455 |
Strain isolated trim tab
A rotor blade assembly system includes a trim tab assembly which utilizes relatively thick resilient members bonded between a trim tab and the two trim tab doublers. Spanwise segmenting of the tab...
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6938853 |
Biomimetic mechanism for micro aircraft
A biomimetic pitching and flapping mechanism including a support member, at least two blade joints for holding blades and operatively connected to the support member. An outer shaft member is...
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6840476 |
Resonant wingbeat tuning circuit using strain-rate feedback for ornithoptic micro aerial vehicles
A resonant wingbeat tuning circuit automatically tunes the frequency of an actuating input to the resonant frequency of a flexible wing structure. Through the use of feedback control, the circuit...
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6824094 |
Power assembly for ornicopter
An ornithopter has a power assembly which provides flapping of the wings by a reciprocating shaft and bell cranks. The wings are mounted on a hub which rotates in response to the flapping of the...
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6802473 |
Ornithopter with flexible fuselage
An ornithopter has the capability of slow speed flight as a result of vertical movement of its wings. Two sets of wings are provided with vertical movement of each set of wings 180 degrees out of...
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6783097 |
Wing-drive mechanism and vehicle employing same
A wing-drive mechanism is described that permits, with proper control, movement of a wing about multiple wing trajectories. The wing-drive is capable of independent movement about three rotational...
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6769949 |
Power-driven ornithopter
An ornithopter with an airframe structure that is lightweight, simple and stable and can generate sufficient lift and thrust. The ornithopter comprises a body, a main wing attached to an upper...
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6644589 |
Compressed air engine and flying object equipped therewith
A compressed air engine and a flying object using the engine are disclosed. The flying object includes the following elements. That is, the compressed air engine includes: a top member 11 provided...
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6550716 |
Power-driven ornithopter piloted by remote controller
A power-driven ornithopter piloted by a remote controller wherein a takeoff and landing motion, a climbing and descending motion, and a turning motion of the ornithopter can be controlled using the...
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6540177 |
Flying object by flapping motion of wings equipped with compressed air engine
The present invention to a flying object by flapping motion of two pair of wings, which comprises a compressed air engine, a flying body (or compressed air container) assembled with the compressed...
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6530540 |
Flapping-wing flying device
A flapping wing flying device comprises wings that pivot about a pivot axis extending generally perpendicularly to an elongate body of the flying device, and wings that move relative to said...
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6064923 |
Aircraft with reduced wing structure loading
An aircraft having a reduced-load wing structure is provided with a controllable canard stabilizer (5G, 5D) at the front end of the aircraft and a controller that controls the canard stabilizer....
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6061612 |
Aircraft flight management system
A process for managing air speed of an aircraft in flight. The method includes a first step of determining a point on the flight path at which it is theoretically possible to comply with a required...
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5975462 |
Integrated propulsion/lift/control system for aircraft and ship applications
A new method for boundary layer energization and boundary layer propulsion or use on vehicles moving through fluids, which comprises mounting small airfoils parallel or perpendicular to the...
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5951608 |
Flight control system for jet powered tri-mode aircraft
The disclosed flight control system includes a rotor blade speed monitor for monitoring the rotor blade speed of the jet powered tri-mode aircraft and for outputting a rotor blade speed command....
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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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5899408 |
Ornithopter
An ornithopter aircraft which flys by flapping a wing. The wing is flapped by a constructively sympathetically forced dampened harmonic oscillation induced in a leading edge strut which preferable...
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5170965 |
Hang glider which can fly by human strength
A human powered hang glider has a right main wing and a left main wing, both of which are swingably attached to a post by a universal joint. A rope is stretched in a loop shape between a pedal...
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5163861 |
Wing-operated flying toy, and a process for automatically locking the wings, at the end of a flight
Process and apparatus providing the automatic locking of the wings of a wing-operated flying toy, wherein a locking device associated with the operating mechanism is applied, under the effect of...
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4793573 |
Figure eight wing drive
A machine designed to move a pair of light weight graphite fiber composite covered wings in such a way that their tips will describe a horizontal figure eight through the air. Thereby sustaining an...
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4749149 |
Ornithopter-type vehicle, and methods of constructing and utilizing same
An ornithopter which is propelled upwardly and forwardly by means of flapping wings, similar to the flight of a bird or bat. The power is supplied by a small engine that is mechanically-connected...
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4417707 |
Human powered hang glider
A human powered hang glider (10) has a fixed wing portion (12) and a pair of movable wing portions (14, 16). Flexible sheet material (26, 28) is connected to trailing edges (30, 32) of the movable...
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4155195 |
Toy airplane
A toy airplane which is to be constructed of two pairs of overlapping wings which are to flap relative to each other. Each pair of wings is to move in synchronism with respect to the fuselage. The...
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4081155 |
Man-powered flying machine
A heavier-than-air structure has a delta-shaped wing and a plurality of rearwardly-directed flat fans mounted upon the rear thereof. The fans are driven in up and down arcuate oscillations by a...
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4053122 |
Flapping wing aircraft
A flapping wire aircraft capable of being operated by manpower comprising double wings acting in a countermovement is provided with a toggle lever system on each side for separate actuating the...
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3830449 |
AIRFOIL WING FOR AIRCRAFT
An airfoil wing having a generally triangular support frame extending transversely from an aircraft fuselage and upon which are mounted a plurality of overlapping, curved, elongated blades...
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RE14417 |
Title is not available
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3007372 |
Recoverable rocket launching unit
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2859553 |
Toy airplane
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