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| Number | Title | Issue Date |
| 8177170 | Aircraft comprising a central fairing that adjusts the pressure on the wing structures by means of local geometric deformations An aircraft including: a fuselage and two wings to which engine nacelles are attached and that are each connected laterally to the fuselage, one on each side thereof, by a central fairing. The central fairing includes, facing each wing, two opposed surfaces connecte... | 05/15/2012 |
| 8113469 | Passive micro-roughness array for drag modification The present invention is directed to a micro-array surface that provides for either drag reduction or enhancement. In one aspect, an aerodynamic or hydrodynamic wall surface that is configured to modify a fluid boundary layer on the surface comprises at least one ar... | 02/14/2012 |
| 7954767 | Laminar flow surfaces with selected roughness distributions, and associated methods Laminar flow surfaces with selected roughness distributions, and associated methods are disclosed. A representative method for designing an airfoil includes selecting a parameter that includes a flow behavior distribution and/or a surface shape for an airflow surfac... | 06/07/2011 |
| 7850126 | Laminar flow surfaces with selected roughness distributions, and associated methods Laminar flow surfaces with selected roughness distributions, and associated methods are disclosed. A representative method for designing an airfoil includes selecting a parameter that includes a flow behavior distribution and/or a surface shape for an airflow surfac... | 12/14/2010 |
| 7614588 | Apparatus system and method for drag reduction An apparatus, method and system for combining aerodynamic design with engine power to increase synergy between the two and increase climb performance, engine-out performance, and fuel efficiency for a variety of aircraft or the like. ... | 11/10/2009 |
| 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 |
| 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 |
| 7334759 | Airplane surface protection film kits Described herein is a computer design-aided shield for exposed surfaces on aircraft, a method for manufacture, and kits derived from collections of shields, each kit appropriate for use on a single aircraft type. The shield is contemplated for first use on general a... | 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 |
| 7318619 | Method and apparatus for reducing drag and noise for a vehicle A body part including a surface having a fluid flow thereover. The body part also includes flocking coupled to at least a portion of the surface that adjusts an aerodynamic characteristic relative to the surface that is devoid of the flocking. ... | 01/15/2008 |
| 7316847 | Vehicle floor tray A vehicle floor tray is molded from a multiple extrusion polymer sheet such that it has high shear and tensile strength, an acceptable degree of stiffness and a high coefficient of friction on its upper surface. The floor tray design is digitally fitted to a foot we... | 01/08/2008 |
| 7305817 | Sinuous chevron exhaust nozzle A gas turbine engine exhaust nozzle includes a row of laterally sinuous chevrons extending from an aft end of an exhaust duct. The chevrons have radially outer and inner surfaces bound by a laterally sinuous trailing edge extending between a base of the chevrons adj... | 12/11/2007 |
| 7278825 | Method and system for regulating fluid over an airfoil or a hydrofoil The present invention features a fluid flow regulator that functions to influence fluid flow across an airfoil or hydrofoil, as well as various rotating or rotary devices, including propellers, impellers, turbines, rotors, fans, and other similar devices, as well as... | 10/09/2007 |
| 7275720 | Actively cooled ceramic thermal protection system An apparatus and method for thermal protection is provided. A thermal protection apparatus includes a porous layer attached to an inner structural member requiring thermal protection. The porous layer serves as both a cooling air plenum and a transpiring medium. The... | 10/02/2007 |
| 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 |
| 7255387 | Vortex strake device and method for reducing the aerodynamic drag of ground vehicles An improved method and device for the reduction of aerodynamic drag and for increased fuel economy of ground vehicles by increasing the pressure on the rear surface of the vehicle with a plurality of vortices generated along the top and side surfaces of the ground v... | 08/14/2007 |
| 7249931 | High efficiency air conditioner condenser fan with performance enhancements Twisted blades for outdoor air conditioner condensers and heat pumps that improve airflow efficiency to minimize operating power requirements. The blades can run at approximately 850 rpm to produce approximately 1930 cfm of air flow using approximately 110 Watts of ... | 07/31/2007 |
| 7219614 | Apparatus and method for reducing fluid drag on a submerged surface An apparatus and method for reducing surface friction drag on the hull of a surface vessel by entraining air into water flowing in the boundary layer flow along the hull. A hemispherical protrusion creates flow separation by diverting a portion of the water flow awa... | 05/22/2007 |
| 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 |
| 7204674 | Rotor blade for a wind power installation A rotor for a wind power installation having at least one rotor blade. The smaller the surface area on which the wind acts, that is to say in particular the rotor blade area, the correspondingly lower is the load level for which installation has to be designed and t... | 04/17/2007 |
| 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 |
| 7150435 | Type aircraft The present invention relates to a new type aircraft. The aircraft includes the airframe and wing, characterized in that the transverse section of airframe has an oblate (oval) profile with corrugated area on the ventral of airframe; the aircraft has uneven friction... | 12/19/2006 |
| 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 |
| 7121512 | Drain particularly for engine support strut A drain, for example for an aircraft engine support strut, arranged on the trailing edge of the rear secondary structure of the strut. The drain includes a conduit with a substantially horizontal axis and a substantially rectangular cross-section, taken in a plane p... | 10/17/2006 |
| 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 |
| 7114685 | Wing for an aircraft or spacecraft The invention relates to a wing, a wing, a tail unit or grid fins for a flying object moving with supersonic speeds. The wing comprises leading edges and tailing edges. According to the invention, the contour of at least one of the leading contour and the tai... | 10/03/2006 |
| 7114785 | Aerodynamic surfaced bicycle wheel A bicycle wheel includes a tire engaging portion located at the outward perimeter of the wheel, an inner portion located radially inward from the tire engaging portion A pair of air engaging side surfaces extend radially between the inner portion and the tire engagi... | 10/03/2006 |
| 7111570 | Dynamic surface element for bodies moving through a fluid A dynamic surface element is located on a substantially smooth surface of a body moving through a fluid for improving the movement of the body. The dynamic surface element includes a lower wall provided on the surface of the body, the lower wall having a front edge ... | 09/26/2006 |
| 7108485 | Reduction in the noise produced by a rotor blade of a wind turbine Rotor blades for wind power installations are known in many different forms. In a wind power installation the rotors or the rotor blades thereof represent the main source of sound. For reasons relating to acceptance and noise prevention laws, the aim should/must be ... | 09/19/2006 |
| 7100969 | Wake disturbing apparatus and method for reducing drag Provided is a wake disturbing apparatus and method for reducing drag, which can considerably reduce drag caused by a sharp decrease in the pressure behind an object with a blunt trailing edge, such as a vehicle, while the object is traveling at high speed. The wake ... | 09/05/2006 |
| 7070850 | Drag reduction article and method of use An article for reducing the drag caused by a fluid flowing over a surface comprises a backing layer having an outer, exposed patterned surface that reduces drag, and an adhesive bonding layer for bonding the backing layer to the surface of a substrate, the article b... | 07/04/2006 |
| 7065957 | Segmented mixing device for jet engines and aircraft Disclosed is a means for reducing jet engine exhaust noise wherein mixing is enhanced between adjacent exhaust flows and between exhaust flow and free-stream flow. Also disclosed is a means for improving the thrust of jet engines and for reducing the noise and drag ... | 06/27/2006 |
| 7059662 | Post pressurizing material treatment for bodies moving through fluid A post pressurizing material is preferably embodied in a collection of dense, flexible elements oriented generally perpendicularly and extending from a flexible mounting base which can be attached to the rear surface of the body. The elements have the ability to ent... | 06/13/2006 |
| 7048505 | Method and system for regulating fluid flow over an airfoil or a hydrofoil The present invention features a fluid flow regulator that functions to significantly influence fluid flow across an airfoil or hydrofoil, as well as various rotating or rotary devices, including propellers, impellers, turbines, rotors, fans, and other similar devic... | 05/23/2006 |
| 7041363 | Solid body with microstructured surface The invention relates to a solid body of plastic, glass, ceramic or metal which has at least partially a microstructured surface with rows oriented in a preferential direction of cross-sectionally trapezoidal or wedge-shaped ridges, wherein the ridges have minima an... | 05/09/2006 |
| 7008471 | Filter and canister having the same A canister is connected to a fuel tank to adsorb fuel vapor vaporized in the fuel tank and includes a canister housing and a canister main body, which is received in the canister housing and communicates with the fuel tank at one end. The canister housing includes a... | 03/07/2006 |
| 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 |
| 6948910 | Spiral-based axial flow devices Axial flow devices using rigid spiral band profiled blade catenaries attached variably along and around an axially elongated profiled hub, of axially oriented profile section sequences 75 mapped relative to truncated cones-of-generation. Upon rotation and lub... | 09/27/2005 |
| 6923216 | Microfluidic device with ultraphobic surfaces A microfluidic device having durable ultraphobic fluid contact surfaces in the fluid flow channels of the device. The ultraphobic surface generally includes a substrate portion with a multiplicity of projecting regularly shaped microscale or nanoscale asperities dis... | 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 |
