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| Number | Title | Issue Date |
| 8087617 | Retractable nacelle chine A retractable chine assembly includes at least one chine which is hingebly mountable to a surface such as of an aircraft having a wing. The chine is preferably configured to be movable between stowed and deployed positions. The aircraft may include an engine nacelle... | 01/03/2012 |
| 7823839 | Airfoil performance modification using synthetic jet actuators Systems and methods for modifying fluid flowing over solid bodies are provided. A representative system incorporates a vorticity concentration-producing component and a synthetic jet actuator. The vorticity concentration-producing component is disposed on a pressure... | 11/02/2010 |
| 7431244 | Device for the generation of eddies and method for operating of said device According to the invention, a device for the generation of eddies creates or destroys eddies in a flowing medium in a particularly simple manner, with particularly low energy requirement with the lowest possible pressure drop, whereby the device comprises one or mor... | 10/07/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7156611 | Counterrotating axial blower An axial-flow fan with double impellers is provided that can produce a larger amount of air and a higher static pressure than can be achieved with conventional fans. The axial-flow fan with double impellers has a first axial-flow fan unit and a second axial-flow fan... | 01/02/2007 |
| 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 |
| 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 |
| 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 |
| 6682021 | System and method for actively manipulating and controlling fluid flow over a surface The present invention provides a system and method for actively manipulating and controlling aerodynamic or hydrodynamic fluid flow over a surface. More specifically, the present invention provides a system and method to control aerodynamic or hydrodynami... | 01/27/2004 |
| 6668638 | Active vortex control with moveable jet In a method of controlling vortex breakdown on an aerodynamic surface, a vortex generated by the aerodynamic surface is continually monitored to identify a non-linear region where vortex breakdown occurs. A fluid jet is blown into the non-linear region to... | 12/30/2003 |
| 6644598 | Modification of fluid flow about bodies and surfaces through virtual aero-shaping of airfoils with synthetic jet actuators The present invention involves a system for altering the aerodynamic shape and/or fluid flow about a solid body. The preferred embodiment comprises an obstruction disposed on the solid body and extending outwardly from the solid body into the fluid flowin... | 11/11/2003 |
| 4293110 | Leading edge vortex flap for wings A series of flaps along the leading edge of a highly swept-back wing for a supersonic airplane; wherein, the spanwise series of flaps comprise a double-flap chordwise having fore and aft flap segments. When the leading edge double-flap is positioned at a ... | 10/06/1981 |
| 3934844 | Free vortex aircraft An aircraft has air pumping devices which retain, concentrate and augment vorticity shed from a surface of the moving aircraft in such a way as to allow the formation of a lift producing and drag reducing free vortex which travels along with the aircraft ... | 01/27/1976 |
