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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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8091823 |
Flapping apparatus with large flapping angles
The present invention provides a flapping apparatus with a large flapping angle. The flapping apparatus includes a frame, a drive motor, a slider, connection links, actuating links and wings. The...
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8033499 |
Biomimetic micro-aerial-vehicle with figure-eight flapping trajectory
A micro aerial vehicle includes: a fuselage; a flapping transmission mechanism mounted on a front portion of the fuselage; a flexible wing frame secured to and driven by the flapping transmission...
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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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7651051 |
Mechanism for biaxial rotation of a wing and vehicle containing such mechanism
A vehicle with wings and a mechanism for causing a flapping motion in wings. Each wing structure comprises a wing and a wing spar coupled to a follower via a resilient member. Each wing carrier is...
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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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7350745 |
Apparatuses and methods for applying forces to a structure utilizing oscillatory wing motions in a fluid
Methods and apparatuses are disclosed that rotate a first member about a first point relative to a chassis, wherein the first member is rotatably coupled to a second member at a second point. A...
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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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7107842 |
Angular rate sensor using micro electromechanical haltere
An angular rate sensing system suitable for a micromechanical flying insect (MFI) device. The system includes a rod, or haltere, that is moved in a plane by a piezoelectric actuator. Bending of the...
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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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7007889 |
Flexible airfoils and method
An airfoil for use in kites, movable wing aircraft and fixed wing aircraft has a straight spar inserted into a sleeve in the arcuate leading edge of a flexible wing panel. The resultant forces on...
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6974356 |
Amphibious robot devices and related methods
Devices for navigating in a fluid medium having a solid boundary include a vehicle body and a fin attached to the vehicle body. The fin is configured to oscillate relative to the body such that...
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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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6877692 |
Oscillating foil propulsion system
The invention provides a propulsion system based on “thuniform” movement of a foil member to achieve desired directional movement of a vehicle such as an unmanned submarine type of vessel. A pai...
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6840477 |
Fluttering wing-operated flying moving apparatus
On a main body portion of a fluttering apparatus, a wing (left wing) is formed which has a front wing shaft, a rear wing shaft and a wing film provided spreading over the front and rear wing...
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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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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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6250585 |
Impellers with bladelike elements and compliant tuned transmission shafts and vehicles including same
A vehicle with improved maneuverability includes: a vehicle body; a first bladelike element; a first tuned compliant transmission shaft attached to the bladelike element; and a reciprocating unit...
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6227483 |
Wing movement for ornithopters and apparatus of the like
The wing movement has a gearbox, a reference gear extending through the gearbox and being movably mounted to the gearbox, an input shaft extending through the reference gear and into the gearbox...
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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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5454530 |
Canard rotor/wing
A dual-mode high speed rotorcraft is disclosed which combines the efficiency of a helicopter with the high-speed capability of a fixed wing aircraft. The rotorcraft includes a rotor for propulsion...
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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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4863117 |
Profiled wing for controlled deformation and application thereof to beating wing aircraft
The invention relates to a contoured wing intended to serve as a airfoil or a blade. This wing comprises a longitudinal stringer (3), a plurality of juxtaposed wing sectors (1, 2), each articulated...
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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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4712749 |
Means for and methods of controlling ornithopters
An ornithopter aircraft has at least a fuselage and four rigid wings which are tandem mounted, in pairs, on opposite sides of the fuselage, in what might be called a "dragonfly configuration". The...
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4537373 |
Air vehicle having driven wheels and ducted fans
An air vehicle has a passenger section, a tail section including variable camber air foil wings and horizontal and vertical control surfaces, ducted fan propellers and landing gear wheels driven by...
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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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4261534 |
Inflated wing aircraft
An aircraft is constructed of an airfoil shaped inflated involucrum of lightweight gas-impervious plastic film. The airfoil is maneuverable to attain forward self-propulsion upon ascent as well as...
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4139171 |
Articulated wing ornithopter
An ornithopter which produces a large swept volume of the wings and essentially constant lift and includes a first and a second outer wing segment joined by an aerodynamically significant center...
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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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3817478 |
VEHICLES FOR GLIDING FLIGHT
In an air vehicle intended for gliding there are provided two wing members and a tail member connected to a fuselage member and controllable respectively by the arms and legs of the pilot. The wing...
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3498574 |
FLUTTERING WING AERIAL PROPELLED APPARATUS SUITABLE FOR CARRYING A MAN
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D135260 |
Title is not available
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3162400 |
Reciprocating wing helicopter adapted to be manually powered
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3161376 |
Ornithopter type aircraft
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2985407 |
Ornithopter
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2783955 |
Air, land, and water craft
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