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| Number | Title | Issue Date |
| 7980515 | Aircraft wing modification and related methods A transferable modified leading edge for a wing is detachably mountable to a parent wing. The parent wing may use a NACA 23000-series airfoil. A modified wing tip may be used in conjunction with the modified leading edge. The modified leading edge can be mounted to ... | 07/19/2011 |
| 7823838 | Aircraft with improved lift An aircraft has a wing 10 supporting at its underside a gas turbine engine 13. A jet pipe 14 of the engine has an exhaust nozzle 15 of rectangular flow area defined by upper and lower panels 16,17 and end walls 18. The upper... | 11/02/2010 |
| 7740205 | Auxiliary wing and flap assembly for an aircraft An auxiliary wing and flap assembly for an aircraft which is to be extendable from a retracted position to a deployed position. Relative to the chord of the wing, the split flap is located directly adjacent the trailing edge of the wing with the auxiliary wing assem... | 06/22/2010 |
| 7686256 | Conformal aero-adaptive nozzle/aftbody The present invention provides flow field control techniques that adapt the aft body region flow field to eliminate or mitigate the development of massive separated flow field zones and associated unsteady vortical flow field structures. Embodiments of the present i... | 03/30/2010 |
| 7475853 | Method and system for regulating external fluid flow over an object's surface, and particularly a wing and diffuser The present invention features a fluid flow regulator that functions to significantly influence fluid flow across the surface of an object, as well as to significantly effect the performance of the object subjected to the fluid. The fluid flow regulator comprises a ... | 01/13/2009 |
| 7410133 | Miniature trailing edge effector for aerodynamic control Improved miniature trailing edge effectors for aerodynamic control are provided. Three types of devices having aerodynamic housings integrated to the trailing edge of an aerodynamic shape are presented, which vary in details of how the control surface can move. A bu... | 08/12/2008 |
| 7380756 | Single dielectric barrier aerodynamic plasma actuation A single dielectric barrier aerodynamic plasma actuator apparatus based on the dielectric barrier discharge phenomenon is disclosed and suggested for application to aerodynamic uses for drag reduction, stall elimination and airfoil efficiency improvement. In the pla... | 06/03/2008 |
| 7367532 | High lift longitudinal axis control system A bipartite, full span airplane flap system having an inboard flap portion and an outboard flap portion, wherein the outboard flap portion includes an integrated aileron mounted on its substantially equivalent spanwise length. ... | 05/06/2008 |
| 7357351 | Linear shock wave absorber A linear cavity is provided on the leading edge of an object that is subject to the flow of liquids or gasses, where said cavity preferably has a wall that follows the curvature of a diminishing sine wave, although other configurations are possible that do not follo... | 04/15/2008 |
| 7357358 | Aircraft leading edge device systems and corresponding sizing methods Aircraft leading edge device systems and methods for sizing such systems are disclosed. In one embodiment, a spanwise lift coefficient distribution for an airfoil corresponding to at least one design condition and at least one aircraft angle of attack is identified,... | 04/15/2008 |
| 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 |
| 7322547 | Aerospace vehicle leading edge slat devices and corresponding methods Aerospace vehicle leading edge slat devices and corresponding methods are generally disclosed herein. One aspect of the invention is directed toward an aerospace vehicle system that includes an airfoil having a leading edge. The system further includes a first flow ... | 01/29/2008 |
| 7309049 | Orbital debris shield An orbital debris shield for protecting the hull of a spacecraft. The shield is comprised of a number of flexible and releasably attached gores that substantially cover the hull. Interleafed between layers of the gores are layers of a spacing material. As debris col... | 12/18/2007 |
| 7290738 | Dual jet emerging lift augmentation system for airfoils and hydrofoils Separate upper and lower plenums within an aircraft airfoil or a sea hydrofoil conduct fluid under different pressures to nozzle slots from which jets emerge to augment lift in accordance with different travel conditions. Lift is induced by nozzle slot emergence of ... | 11/06/2007 |
| 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 |
| 7226015 | Aircraft and missile forebody flow control device and method of controlling flow The present invention relates to a forebody flow control system and more particularly to aircraft or missile flow control system for enhanced maneuverability and stabilization at high angles of attack. The present invention further relates to a method of operating t... | 06/05/2007 |
| 7216831 | Shape changing structure In one preferred embodiment, a structure is provided that includes a body having a first wall and a second wall. At least one appending component extends from an end of the body and includes a first skin and second skin. The structure additionally includes at least ... | 05/15/2007 |
| 7143983 | Passive jet spoiler for yaw control of an aircraft A wing for an aircraft has a passive jet spoiler for providing yaw control by increasing drag on the wing. The spoiler comprises an inlet located near the leading edge of a lower surface of the wing and at least one outlet formed on the lower surface or on an upper ... | 12/05/2006 |
| 7111809 | Aircraft excessive fuel dumping ejection parallel to flight direction Excessive fuel is dumped by ejection under a pressurized outflow velocity from an aircraft during flight as jets in a direction parallel to air stream flow relative to the aircraft, from a rearwardly facing exit opening of a fuel jettison device mounted on the lower... | 09/26/2006 |
| 7108230 | Aircraft with topside only spoilers An aircraft with swept back wings and spoilers inlaid into the top surface near the tips of the wings. The aircraft also includes an elevator formed in the center back portion of the aircraft, which is also aft of the spoilers. It is aft to allow an auxiliary contro... | 09/19/2006 |
| 7028954 | Microfabricated translational stages for control of aerodynamic loading Micro-electro-mechanical (MEM) translational tabs are introduced for enhancing and controlling aerodynamic loading of lifting surfaces. These microtabs are mounted at or near the trailing edge of lifting surfaces, deploy approximately normal to the surface, and have... | 04/18/2006 |
| 6994297 | Method and apparatus for controlling a vehicle A method of controlling movement of a vehicle including generating a fluid jet adjacent an aerodynamic surface of the vehicle, and changing at least one of a strength and a position of a shock wave traveling over the aerodynamic surface of the vehicle by directing t... | 02/07/2006 |
| 6959958 | Aerodynamic combination for improved base drag reduction An improved method and device for reducing the base drag of bluff bodies, including large boxy highway vehicles such as semi-trailer trucks, which uses low drag vortex generators in combination with either a trailing panel or shortened boattail plates, to provide gr... | 11/01/2005 |
| 6932016 | Vortex-assisted pressure control at inlet of underwater launch system A vortex-assisted pressure control system is provided for controlling fluid flow into an inlet formed in a vehicle where such fluid flow into the inlet occurs during vehicle movement. Vortex generator(s) is (are) positioned forward of the inlet with respect to forwa... | 08/23/2005 |
| 6923624 | Wooden fan blade A wooden fan blade includes an elongated blade body and a rib strip fitted into the elongated blade body. The blade body is made of a wooden plate having wooden fibers extended substantially in parallel to a longitudinal axis of the blade body. The blade body has an... | 08/02/2005 |
| 6908063 | Vortex shedding and drag force reduction Smoothly curved protuberances (8, 26, 34) are added to an elongate body (2, 16, 18, 20, 22, 32) to modify the fluid flow to reduce the drag Force Fdrag and the forces induced by vortex shedding Fvortex. The protuberances can be ar... | 06/21/2005 |
| 6834835 | Telescopic wing system The present invention is a wing having telescoping segments deployed via an actuator composed of a heat activated material. The actuator is a coiled tube of shape memory alloy (SMA) with large force-displacement characteristics activated thermally by either a fluid ... | 12/28/2004 |
| 6834830 | Main wing structure A main wing structure comprises at least a leading edge structure and a wing central structure coupled to each other, and has a particular laminar-flow airfoil. The laminar-flow airfoil includes an upper wing surface, a lower wing surface, a leading edge and a trail... | 12/28/2004 |
| 6669142 | Lifting arrangement for lateral aircraft surfaces Lifting arrangement for lateral aircraft surfaces that consists of numerous lateral flutings, grooves, splines, flutes or riblets parallel to each other, arranged on the lateral surfaces of fuselages, fin units, pylons and gondolas of aircraft with a down... | 12/30/2003 |
| 6651935 | Method and apparatus for control of shock/boundary-layer interactions Apparatus for controlling shock/boundary-layer interactions created by a supersonic shock on a surface of a structure, includes a cavity formed in the structure and having an opening on the surface. A plate is attached to the surface and covers the openin... | 11/25/2003 |
| 6641089 | Flap arrangement for varying the aerodynamic lift generated by an aerodynamic element of an aircraft An auxiliary flap is movably arranged on a planar trailing edge of an aerodynamic element such as a wing, rudder, stabilizer, or flap. The auxiliary flap is rotatable and/or slidable relative to the aerodynamic element, to move selectively into three posi... | 11/04/2003 |
| 6592072 | Spanwise tailoring of divergent trailing edge wings A method for forming a transonic wing that segregates a baseline transonic wing into a plurality of airfoil segments that are collectively modified an optimized so as to tailor a spanwise variation of the baseline transonic wing in a manner that includes ... | 07/15/2003 |
| 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 |
| 6478251 | Flier structure A flier structure including a fuselage extending from front side to rear side and a weight body connected with front end of the fuselage. A port wing and a starboard wing respectively leftward and rightward extend from the fuselage. A left tailfin and a r... | 11/12/2002 |
| 6467732 | Rotary blade of helicopter A base wing 11, as attached at its root end portion to the rotor head of a rotational drive unit, is provided with a front wing 12 and a rear wing 13 having substantially equal spans. The vortex, as generated at the wing tip, is divided into relatively we... | 10/22/2002 |
| 6457671 | Funneled rotary foil A funnel strip is added to a rotary airfoil, which utilizes the Bernoulli principle to increase the velocity of air over the suction side of the rotating airfoil to increase the lift. The device is applicable to thrust-producing devices, such as propeller... | 10/01/2002 |
| 6431499 | Wing comprising a distal wing grid In a wing with a main wing part (1) and a drag-reducing wing grid arranged at a distal end of the main wing part, a grid includes at least two winglets (2) staggered in parallel and with an overlap (c/t) smaller than one. A zero air flow direction of the ... | 08/13/2002 |
| 6431498 | Scalloped wing leading edge An apparatus to modify a wing to provide increased lift over drag ratios compared to similar wings with straight leading edges. For wings extending in a lateral direction, and defining a longitudinal upstream direction, the apparatus forms a laterally ext... | 08/13/2002 |
| 6394396 | Aerodynamic noise reducing structure for aircraft wing slats A hollow expandable and contractible displacement element is secured onto the concave rear surface of a slat facing the leading edge of an aircraft wing. A bleed air line supplies engine bleed air into the hollow displacement element to selectively expand... | 05/28/2002 |
| 6394397 | Lifting surface with active variable tip member and method for influencing lifting surface behavior therewith A tip member is movable mount at the outboard end of a main lifting member such as a wing or rotor blade. The main lifting member at least at the outboard end has an internal cavity defined therein between pressure-side and suction-side surfaces of the ma... | 05/28/2002 |
