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| Number | Title | Issue Date |
| 8074938 | Active control of a body by altering surface drag A system and method is described generally for deforming a first surface of a body and deforming a second surface of a body to alter a fluid flow in order to change the characteristics of the fluid flow about the body and thereby control the fluid dynamic forces on ... | 12/13/2011 |
| 8074939 | Active control of surface drag A system and method is described generally for deforming a surface of a body to alter a fluid flow in order to change the characteristics of the fluid flow about the body. ... | 12/13/2011 |
| 7686257 | Dual bimorph synthetic pulsator The present invention provides a system and method for actively manipulating fluid flow over a surface using synthetic pulsators. Synthetic pulsators produce pulsed jet operable to manipulate the primary fluid flow proximate to the synthetic pulsator. The synthetic ... | 03/30/2010 |
| 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 |
| 7364118 | Propulsion arrangement In order to achieve greater operational efficiency a propulsive arrangement is provided in which a relatively large number of small propulsive assemblies 9; 31, 32, 33 are provided in aircraft structures in particular the wing 7; 30. The assemblies ... | 04/29/2008 |
| 7354247 | Blade for a rotor of a wind energy turbine A blade for a rotor of a wind energy turbine includes opposite upper and lower faces, opposite leading and trailing edges connecting the upper and lower and at least one air outlet opening arranged on at least one of the upper face, the lower face and the trailing e... | 04/08/2008 |
| 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 |
| 7334760 | Flow control device and method of controlling flow The present invention relates to a flow control device and more particularly to reactive self-contained modular flow control device with deployable flow effectors. The present invention further relates to a method of operating the flow control device. One emb... | 02/26/2008 |
| 7331752 | Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the radially converging trajectories and concentration of the flow energ... | 02/19/2008 |
| 7316539 | Vane assembly with metal trailing edge segment Embodiments of the invention relate to a vane assembly formed by a forward airfoil segment and an aft airfoil segment. The aft segment is made of metal and can define the trailing edge of the vane assembly. The forward segment can be made of ceramic, CMC or metal. T... | 01/08/2008 |
| 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 |
| 7275721 | Arrangement for generating vortexes A spoiler and wing of an aircraft. A bottom surface of the spoiler has several longitudinal, elongated grooves. At least some of the grooves are equipped with one or more vortex generators. Further, the invention relates to a wing having in its back part at least on... | 10/02/2007 |
| 7251592 | Boundary layer transition model A method for analyzing performance of an airfoil includes determining: an estimated laminar separation location; a freestream turbulence intensity; a momentum thickness; and a turbulence length scale. Based upon the freestream turbulence intensity, momentum thicknes... | 07/31/2007 |
| 7246770 | Aircraft with rotatable leading edge of fuselage and wings A rotatable leading edge for the fuselage and wings of an aircraft is disclosed. The leading edge may be rotated from an undeflected or retracted position adjacent to the fuselage and wings to a deflected or extended position. In the extended position, the leading e... | 07/24/2007 |
| 7247778 | Addressable pneumatic valve system An addressable valve system is described wherein a plurality of valves are embedded into a single, compact valve block. Each valve comprises a piston moving in a bore in the block. A magnet embedded in the piston is positioned within a coil. When energized, the coil... | 07/24/2007 |
| 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 |
| 7222819 | Aircraft ram air inlet with multi-member closure flap A ram air inlet includes a channel with an intake in a wing leading edge, front and rear flaps arranged in the channel for selectively closing or opening the channel, and an actuator connected to the flaps. A front end of the front flap is pivotably connected by a f... | 05/29/2007 |
| 7204454 | Aircraft with articulated leading edge of fuselage and wings An articulated leading edge for the fuselage and wings of an aircraft is disclosed. The leading edge may be moved from an undeflected or retracted position adjacent to the fuselage and wings to a deflected or extended position. The leading edge includes fuselage and... | 04/17/2007 |
| 7185853 | Air discharge valve for an aircraft An air discharge valve for an aircraft has an inner valve flap (1) and an outer valve flap (3) which partially overlap each other to form a nozzle of the Laval type with a nozzle inlet (6) converging toward a nozzle neck (S) and with a nozzle ou... | 03/06/2007 |
| 7178859 | Method for controlling airflow An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as shape memory material, is operative to change at least one attribute in response to an activation signal. The active material can... | 02/20/2007 |
| 7156032 | Method and apparatus for controlling friction between a fluid and a body A method and apparatus is disclosed wherein nanostructures or microstructures are disposed on a surface of a body (such as a submersible vehicle) that is adapted to move through a fluid, such as water. The nanostructures or microstructures are disposed on the surfac... | 01/02/2007 |
| 7152829 | Perforated skin structure for laminar-flow systems The outer skin (100) of an aerodynamic body (40) has perforations (200) arranged in particular patterns in respective spanwise extending groups or bundles (250). Each perforation is preferably a micro-slot with a length of 100 to 3000 μm... | 12/26/2006 |
| 7150427 | Boundary layer transition model In the computational fluid dynamics analysis of airfoils, a laminar/turbulent transition location is determined by consideration of a turbulence length scale in addition to a turbulence intensity. In an exemplary implementation, the transition is predicted as occurr... | 12/19/2006 |
| 7147271 | Airflow control devices with planar surfaces An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one attribute in response to an activation signal. The active material c... | 12/12/2006 |
| 7147269 | Airflow control devices using current An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one attribute in response to an activation signal. The active material c... | 12/12/2006 |
| 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 |
| 7144220 | Investment casting An article may be manufactured by providing a reticulate core element in a mold shell having a shape at least partially corresponding to a shape of the article. The molten metallic material is introduced to the shell so as to at least partially infiltrate into the r... | 12/05/2006 |
| 7118071 | Methods and systems for controlling lower surface shocks Methods and systems for controlling shocks on airfoil lower surfaces are disclosed. An airfoil in accordance with one embodiment of the invention includes an upper surface portion having an upper surface positioned to face generally upwardly during the level flight,... | 10/10/2006 |
| 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 |
| 7070144 | Aircraft and missile afterbody flow control device and method of controlling flow The present invention relates to an afterbody flow control system and more particularly to aircraft or missile flow control system for enhanced maneuverability and stabilization. The present invention further relates to a method of operating the flow control system.... | 07/04/2006 |
| 7066431 | Turbulent flow drag reduction The present invention relates to apparatus for influencing fluid flow over a surface, and more particularly, but not exclusively, to turbulent boundary layer flow drag reduction for an aircraft. The present invention provides such apparatus including a plasma genera... | 06/27/2006 |
| 7059664 | Airflow control devices based on active materials An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one attribute in response to an activation signal. The active material c... | 06/13/2006 |
| 7048235 | Slotted aircraft wing A swept aircraft wing includes a leading airfoil element and a trailing airfoil element. At least one full-span slot is defined by the wing during at least one transonic condition of the wing. The full-span slot allows a portion of the air flowing along the lower su... | 05/23/2006 |
| 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 |
| 7010930 | Method and system for cooling high power density devices A turbomachinery system for cooling a high power density device includes a turbomachine configured to deliver a high flux cooling medium toward the high power density device, a housing containing a motor, a compressor, or both, of the turbomachine, a heat exchanger ... | 03/14/2006 |
| 7000870 | Laminar flow wing for transonic cruise In combination, an aircraft wing and fuselage, comprising the wing having camber at or near the wing leading edge which has blunted sharpness and low sweep angle, and the fuselage having indentation along the wing side thereof, and lengthwise of the fuselage. ... | 02/21/2006 |
| 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 |
| 6994045 | Superhydrophobic coating This invention solves the problem of reducing the fluid friction resistance accompanying relative movement of surfaces of a solid and a liquid. A superhydrophobic coating acting as a substrate for a gaseous lubricant of very low viscosity, reducing the fluid skin fr... | 02/07/2006 |
| 6966758 | Wind turbine rotor blade comprising one or more means secured to the blade for changing the profile thereof depending on the atmospheric temperature A wind turbine rotor blade (10) comprising one or more means (4) secured to the blade (10) for changing the profile thereof depending on the atmospheric temperature. The means comprises at least one laminate having at least two layers of materia... | 11/22/2005 |
| 6940186 | Wind turbine having sensor elements mounted on rotor blades The invention relates to a wind power plant with a tower, a rotor having at least one rotor blade being substantially radially distant with respect to a rotor axis and being rotatably supported with respect to a substantially horizontal rotation axis in a portion at... | 09/06/2005 |
