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| Number | Title | Issue Date |
| 7896289 | Aircraft tail assembly An aircraft tail assembly planform comprising curvilinear leading edges (21) and trailing edges (22), with an aircraft tail assembly configuration in which the hinge line (13) is rectilinear and has a non-constant percentage with respect to the ... | 03/01/2011 |
| 7410120 | Control surface assemblies with torque tube base Control surface assemblies having a torque tube base are disclosed. In one embodiment, a control surface assembly includes a control surface portion and a base portion. The base portion has a hollow, shell-like base portion coupled to a first end portion of the cont... | 08/12/2008 |
| 7338011 | Method making it possible to prevent vibration of a rudder of an aircraft and aircraft using this method A method for preventing vibration of a rudder of an aircraft may have, on a lateral aerodynamic surface of the aircraft's rudder, a protruding aerodynamic element capable of generating an aerodynamic effect tending to rotate the rudder about its articulation axis. A... | 03/04/2008 |
| 7316371 | Method and device for steepening a landing approach of an aircraft To control and particularly steepen the landing glide path of an aircraft, a respective aerodynamic component mounted on each wingtip includes a fixed plane member and a pivotable control element pivotally connected to the fixed plane member. The pivot axis is perpe... | 01/08/2008 |
| 7275722 | Wing tip device An aircraft comprises a wing tip device, for example a winglet, a raked-tip device, a wing tip fence or a planar wing extension, mounted in the region of the tip of a wing on the aircraft. The wing tip device is rotatably moveable between a first position and a seco... | 10/02/2007 |
| 7271741 | Method and device for detecting an overstepping of design loads of the fin of an aircraft A method and device for detecting an overstepping of design loads of the fin of an aircraft. The device includes a set of information sources and a section for determining, with the aid of information emanating from the set of information sources, a current bending ... | 09/18/2007 |
| 7234667 | Modular aerospace plane This invention relates to the design of a Modular Aerospace Plane (MAP) comprising a forward fuselage section, a main wing section, a tail section and wing attachments. Various sections can be integrated to offer a variety of aircraft characteristics, performance an... | 06/26/2007 |
| 7229046 | Servo mounting system for direct drive of an aircraft control surface This invention is a servo mounting system, which allows a servo with a rotating output shaft to directly power an aircraft control surface. A specially designed servo mount securely positions the servo with the central axis of its rotational output shaft on, and axi... | 06/12/2007 |
| 7207526 | High efficiency tip vortex reversal and induced drag reduction Methods for increasing the performance of a foil (100) by using tip droop (102) having an inward directed camber capable of generating an inward directed lifting force on the tip droop (102) in order to control spanwise flow conditions adjacent ... | 04/24/2007 |
| 7100867 | Lifting foil A lifting foil for an aircraft, a hydrofoil or the like having a pair of courses or wings. Vortex losses due to spanwise fluid flow are substantially reduced by joining the tips of the courses with flow guides configured for jointly terminating the undesired flows. ... | 09/05/2006 |
| 7093795 | Methods and systems for operating aircraft landing gears Methods and systems for performing landing gear operations. In one embodiment, a method for retracting a landing gear is useable with an aircraft having a gear door that at least partially covers a gear well when the landing gear is extended. The method can include ... | 08/22/2006 |
| 7070148 | Aerodynamic component for controlling a landing guide path of an aircraft An aerodynamic including a main body and a control member. The main body is configured to be connected to a wing of an aircraft. The control member is connected to the main body, the control member including a fixed member secured to the main body and a pivotable me... | 07/04/2006 |
| 6886778 | Efficient wing tip devices and methods for incorporating such devices into existing wing designs Efficient wing tip devices for use with aircraft wings. In one embodiment, an aircraft wing/winglet combination includes a wing having a wing root portion and a wing tip portion spaced apart from the wing root portion. The wing tip portion can have a wash-out twist ... | 05/03/2005 |
| 6578798 | Airlifting surface division This airlifting surface division idea provides for division of airlifting surfaces resulting in low induced and interference drag. It can be applied to aircraft wings and helicopter and windmill rotor blades to significantly reduce induced drag when compa... | 06/17/2003 |
| 6497600 | Automatic pilot system for model aircraft An automatic pilot system for a model airplane comprising one or more flexible control elements. When installed on a vertical stabilizer of the airplane, a flexible control element acts as an automatic rudder which provides directional control for the air... | 12/24/2002 |
| 6484968 | Aircraft with elliptical winglets An aircraft with swept back wings has winglets (202) at the outer ends of its wings (200). The winglets (202) curve upwardly as they extend outwardly from their intersection (204) with the wings (200). The curvature of the winglets (202) at least approxim... | 11/26/2002 |
| 6464167 | Vehicle with vertical wings and a stabilizing torque system of jets to use fluid energy for forward motion Disclosed is a fluid vehicle having one or more vertical wings in contact with the fluid for generating a forward motion. This fluid vehicle also has a stabilizing torque system for generating jets transverse to the forward motion for the purpose of count... | 10/15/2002 |
| 6394389 | Aircraft lift arrangement An aircraft lift arrangement that involves giving the fins or vertical elements, a positive angle slope in relation to their forward edge or transverse axis both on the leading and trailing edges, both beginning at the upper front and descending in an inc... | 05/28/2002 |
| 6345790 | Subsonic aircraft with backswept wings and movable wing tip winglets A subsonic aircraft having backswept lifting wings is equipped with individually rotatable winglets at the wing tips thereof, in order to reduce drag during cruise flight, to minimize the dangers posed by wing tip vortices to following aircraft during tak... | 02/12/2002 |
| 6116540 | Aircraft vertical tail with shadowed base In accordance with the present invention, there is provided a low observable aerodynamic control system for integrated use with an aircraft fuselage. The control system is provided with a shadow structure having an inner sloping region and an outer slopin... | 09/12/2000 |
| 6042059 | System and method of vortex wake control using vortex leveraging This invention relates to a system and method for reducing the primary vortex wake structure generated by a lifting body mounted on an object moving through a fluid. This is achieved by first, altering the generated initial vortex wake to make it vulnerab... | 03/28/2000 |
| 6021977 | Vertical stabilizer fin assembly for an aircraft A vertical stabilizer fin and rudder assembly for use on an aircraft including a stabilizer fin with airfoil surfaces and a rudder with a forward margin pivotally mounted on the trailing edge of the stabilizer fin. The assembly is subjected to Bernoulli f... | 02/08/2000 |
| 5988563 | Articulating winglets The present invention is directed to a unique foldable winglet assembly adaptable for use with an aircraft for maximizing the wing span of the aircraft during cruise operation while reducing wing bending moment during extreme flight maneuvers. A foldable ... | 11/23/1999 |
| 5961068 | Aerodynamic control effector An aerodynamic control system for an aircraft comprises a pair of low-aspect-ratio strakes integral with the fuselage, each of the strakes being substantially co-planar with an associated one of the wings and extending between a leading region generally b... | 10/05/1999 |
| 5810284 | Aircraft This disclosure provides a solar rechargeable aircraft that is inexpensive to produce, is steerable, and can remain airborne almost indefinitely. The preferred aircraft is a span-loaded flying wing, having no fuselage or rudder. Travelling at relatively s... | 09/22/1998 |
| 5806807 | Airfoil vortex attenuation apparatus and method A vortex attenuating airfoil (24) includes an outboard area (28). The outboard area includes a deflector (40) which is disposed in the inboard direction from a tip (30). An air passage (46) extends through the airfoil from an inlet (48) on a high pressure... | 09/15/1998 |
| 5738298 | Tip fence for reduction of lift-generated airframe noise The present invention is directed toward a unique lift-generated noise reduction apparatus. This apparatus includes a plurality of tip fences that are secured to the trailing and leading assemblies of the high-lift system, as close as possible to the disc... | 04/14/1998 |
| 5738331 | Aircraft crosswind control apparatus The present invention relates to a control system for an aircraft to compensate for crosswinds on landings. In one embodiment, the control system includes two mutually identical control surfaces having common end points, respectively; and an actuator to m... | 04/14/1998 |
| 5692709 | Shock wave stabilization apparatus and method An apparatus and method of stabilizing unstable shock waves on the surface of a body induce shock waves to form prematurely at a particular location on a surface of the body and fix that location such that shock waves will form consistently and persistent... | 12/02/1997 |
| 5653404 | Disc-shaped submersible aircraft An aircraft of disc-shaped configuration provides the capability of vertical take-off and landing; straight horizontal flight; and three-dimensional maneuverability in the air by means of a plurality of counter-rotating lifting rotors assembled of fixed p... | 08/05/1997 |
| 5651516 | Shock wave stabilization apparatus and method An apparatus and method of stabilizing unstable shock waves on the surface of a body induce shock waves to form prematurely at a particular location on a surface of the body and fix that location such that shock waves will form consistently and persistent... | 07/29/1997 |
| 5503352 | Light-duty box-wing aeroplane A light-duty multipurpose aeroplane has a fuselage having a cabin at its center, a tail portion with a pusher propeller in a ring and a front portion with an all-swiveling horizontal "canard" type empennage. The wings of the aeroplane are articulated with... | 04/02/1996 |
| 5449131 | Vertical nose strake for aircraft stability and control A pivotal strake located at the nose section of an aircraft forebody. The strake pivots about an axis that is essentially perpendicular to the surface of the nose section. Rotation of the strake will influence the forebody vortices to create a resulting y... | 09/12/1995 |
| 5417386 | Flying and road vehicle A vehicle will serve as a road vehicle, as well as can be flown. The vehicle has a fuselage and a wing with a fixed span. The aspect ratio is low, allowing the vehicle to be operated on a normal roadway. An upper winglet extends upward from each side edge... | 05/23/1995 |
| 5348253 | Blended winglet The blended winglet is a wing-like device comprising a blended lifting surface attachable to each airplane wing tip so as to achieve minimum induced drag for a given surface size. The device consists of a nearly planar, straight section joined to the wing... | 09/20/1994 |
| 5275358 | Wing/winglet configurations and methods for aircraft A wing/winglet configuration, which basically comprises: (a) a wing having upper and lower wing surfaces, a wing leading edge, a wing trailing edge, and a wing tip; and (b) a winglet having upper and lower winglet surfaces, a winglet leading edge, a wingl... | 01/04/1994 |
| 5213287 | Wing modification method and apparatus A modification kit for the DeHavilland DH-2 Beaver and the DH-3 Otter aircraft. A replacement leading edge is provided for the wing together with replacement droop wing tips and a wing fence. A flap gap seal is provided to close the gap between the traili... | 05/25/1993 |
| 5156358 | Aircraft outboard control An outboard control surface for an aircraft. The control surface is operably connected to wing side edges of the aircraft and includes a forward flap and a rearward flap with at least one of the flaps being movable into and out of alignment with the plane... | 10/20/1992 |
| 5150861 | Variable sweep side force generator and roll control device In an airborne vehicle utilizing tail fins to provide directional control by use of the sideslip maneuver, a variably positionable side force generator airfoil that is positioned in response to the normal load factor of the vehicle to eliminate undesired ... | 09/29/1992 |
| 5100081 | Aircraft control system An aircraft having a wing with trailing edge control flaps and with upwardly extending winglets at the outer wind ends, the winglets being provided with rudder surfaces, the craft has the usual control stick and left and right foot pedals, is improved by ... | 03/31/1992 |
