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| Number | Title | Issue Date |
| 8167249 | Controllable upper surface blown nozzle Apparatus and methods provide for a controllable upper surface blown (USB) nozzle aperture. Aspects of the disclosure provide a powered-lift aircraft that utilizes a controllable nozzle aperture to maximize the spreading of the engine exhaust flow over the wing and ... | 05/01/2012 |
| 8038102 | System and method to control flowfield vortices with micro-jet arrays The present invention provides a system and method for actively manipulating and controlling aerodynamic or hydrodynamic flow field vortices within a fluid flow over a surface using micro-jet arrays. The system and method for actively manipulating and controlling th... | 10/18/2011 |
| 7988103 | Solid state supersonic flow actuator and method of use A method and device are provided for manipulating high-speed flows without moving aerodynamic structures. More particularly, a flow control actuator device is provided that is capable of producing a pulsating synthetic jet with high exhaust velocities for manipulati... | 08/02/2011 |
| 7988102 | Aircraft with a fluid-duct-system An aircraft with a fluid-duct system for extraction of the laminar layer and/or blowing out of fluid at vulnerable places of the outer skin, wherein the fluid-duct system (26, 19, 18) by means of switchable valves (6, 4) is connectable to a pump facili... | 08/02/2011 |
| 7984879 | Flow control actuators A flow control actuator 10 for a body exposed to fluid flow comprises first and second flow surfaces 14, 16 spaced to define an elongate gap 20 therebetween. An elongate control element is disposed in or adjacent the gap and has an externally fa... | 07/26/2011 |
| 7980516 | Ultra-low friction air pump for creating oscillatory or pulsed jets An air pump positioned within a hollow space in an aerodynamic structure for controlling the flow over an aerodynamic surface thereof, includes a movable member linearly displaced by a very low friction piston mechanism and a compression chamber open to the exterior... | 07/19/2011 |
| 7967258 | 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 ... | 06/28/2011 |
| 7878458 | Method and apparatus for enhancing engine-powered lift in an aircraft Lift produced by an airfoil of an aircraft is increased by suppressing fluid detachment from the surface of the airfoil. An engine cowling extends outwardly from the surface of the airfoil that has an exit plane configured for directing exhaust gases toward a rear o... | 02/01/2011 |
| 7874525 | Method and system for fully fixed vehicle control surfaces A fully fixed, non-articulating geometry vehicle that includes a number of virtual control surfaces operable to replicate a mechanical control surface's functionality. These virtual control surfaces further include a number of flow control devices on the non-articul... | 01/25/2011 |
| 7861977 | Adaptive material actuators for Coanda effect circulation control slots A system and method of use are provided for introducing tangential control fluid flows along the surface of an aerodynamic member. The fluid flows are directed toward a coanda surface disposed at the trailing edge of the aerodynamic member. At least two injection sl... | 01/04/2011 |
| 7802760 | Boundary layer control arrangement A boundary layer control arrangement comprises a pulse generator communicating with a surface having a fluid boundary layer thereacross. The boundary layer control arrangement further includes a fluid supply means for supplying a fluid to the surface via the pulse g... | 09/28/2010 |
| 7726609 | High-performance low-noise aircraft exhaust systems and methods Aircraft exhaust systems and methods are disclosed. In one embodiment, an integrated propulsion assembly includes a wing assembly having an upper surface and a lower surface, and a propulsion unit at least partially disposed within the wing assembly. An exhaust syst... | 06/01/2010 |
| 7708230 | Flow distribution system for inlet flow control A nacelle structure for a gas turbine engine includes an inlet aft of an exit guide vane for supplying air flow to a forward plenum. Air is exhausted from the plenum into an air intake opening and over an inner surface of the nacelle for controlling air flow charact... | 05/04/2010 |
| 7677502 | Method and apparatus for generating lift A method of generating lift for a vehicle including heating a flow of gas using a gas generator mounted on the vehicle that contributes no more than about ten percent of thrust used to propel the vehicle in a forward direction, and driving a lift fan using the heate... | 03/16/2010 |
| 7635107 | System for aerodynamic flows and associated method A system and method for controlling boundary layer flow over an aircraft wing are provided. The system includes at least one wing element, and a plurality of ports defined in the wing element and in fluid communication with one another. The system also includes at l... | 12/22/2009 |
| 7510149 | System and method to control flowfield vortices with micro-jet arrays The present invention provides a system and method for actively manipulating and controlling aerodynamic or hydrodynamic flow field vortices within a fluid flow over a surface using micro-jet arrays. The system and method for actively manipulating and controlling th... | 03/31/2009 |
| 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 |
| 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 |
| 7328623 | Temperature and/or pressure sensor assembly A sensor assembly includes a housing and a tube. The housing has a first leading edge portion which is capable of being located in a compressor/fan inlet flow path and which includes an interior wall section. The tube has a proximal portion including an air inlet wh... | 02/12/2008 |
| 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 |
| 7278610 | Aircraft wing with electrothermal deicing and/or anti-icing device An aircraft wing (12) comprising a structural member (20) forming the wing's leading edge skin, a Kreuger flap (16) which moves relative to the structural member (20) between a stowed position and a deployed position, and an electrotherma... | 10/09/2007 |
| 7267067 | 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. The apparatus creates a reduced pressure region by diverting a first portion of the flow away f... | 09/11/2007 |
| 7264444 | Aerofoils An aerofoil has a body, and at least one flow control device, the flow control device including a passage within the body of the aerofoil, and a passage outlet at an upper aerofoil surface of the aerofoil, whereby in use, air from the passage passes through the pass... | 09/04/2007 |
| 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 |
| 7213788 | Microjet-based control system for cavity flows A dynamic cavity air flow system reduces the highly unsteady flow over exposed aircraft cavities by incorporating a series of microjets proximate the leading edge of a cavity. The microjets, which may articulate, issue a supersonic jet flow toward the rear or traili... | 05/08/2007 |
| 7198234 | Method and apparatus for modulating flow separation An apparatus comprising: an aerodynamic surface adapted for producing an adverse pressure gradient in a fluid flow; and a first pulse detonation actuator disposed adjacent the aerodynamic surface and adapted for impulsively detonating a fuel/air mixture to produce a... | 04/03/2007 |
| 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 |
| 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 |
| 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 |
| 7124662 | Reversible driving apparatus for PCU pumps An accessory driving apparatus for an aircraft system is connected to an accessory unit to be driven, such as a PCU pump. A gear set for transferring rotational power from the driving shaft to the driven shaft is provided for selective arrangement in first and secon... | 10/24/2006 |
| 7104499 | Rechargeable compressed air system and method for supplemental aircraft thrust A system for providing aircraft thrust includes a compressor, operable to take in a quantity of air, reduce the volume of the air to generate compressed air, and to deliver the compressed air to a tank. The tank is coupled to the compressor and is operable to receiv... | 09/12/2006 |
| 7104498 | Channel-wing system for thrust deflection and force/moment generation An aircraft comprising a Channel Wing having blown channel circulation control wings (CCW) for various functions. The blown channel CCW includes a channel that has a rounded or near-round trailing edge. The channel further has a trailing-edge slot that is adjacent t... | 09/12/2006 |
| 7100875 | Apparatus and method for the control of trailing wake flows A system and method for dissipating vortices that form at the wingtips on aircraft and from other airfoils. A jet air stream is discharged in a location at or proximate to the outer end portion of the airfoil into the vortex flow, and the jet air stream is moved cyc... | 09/05/2006 |
| 7093794 | Aircraft and detonative engine incorporating pulse detonation engines An aircraft includes at least one airfoil having a leading edge and a trailing edge. A number of pulse detonation engines are distributed along one of the leading and trailing edges of the airfoil and are positioned beneath the airfoil. Each pulse detonation engine ... | 08/22/2006 |
| 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 |
| 7048227 | Parachute supported aircraft with controlled wing collapse and inflation This invention relates to a parachute supported aircraft having a frame and a seat for supporting at least a pilot. A parachute is coupled to the frame by a plurality of riser lines for allowing the parachute to inflate and form a wing for lifting the frame. A pair ... | 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 |
| 7024929 | Flow stabilizer for flow bench Apparatus and methods for airflow testing, especially for air testing of gas turbine components on an airflow test bench. Various embodiments of the present invention include the use of a flow-stabilizing member downstream of the component being tested. Since the fl... | 04/11/2006 |
| 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 |
