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| Number | Title | Issue Date |
| 7262394 | Mortar shell ring tail and associated method There is provided a ring tail for a ballistic projectile and an associated method that facilitate maneuverability of the ballistic projectile. The ring tail comprises a ring member having a generally cylindrical wall and at least one rod joined to an aft section of ... | 08/28/2007 |
| 7249732 | Aerodynamically stable, VTOL aircraft A hover aircraft employs an air impeller engine having an air channel duct and a rotor with outer ends of its blades fixed to an annular impeller disk that is driven by magnetic induction elements arrayed in the air channel duct. The air-impeller engine is arranged ... | 07/31/2007 |
| 7175131 | Deployment and drive device for projectile control surfaces A deployment and orientation device for projectile control surfaces, the deployment being carried out by means of springs between a loading position in which the control surfaces are folded inside the projectile and held against the action of the spring means using ... | 02/13/2007 |
| 7165742 | Aircraft spiralling mechanism - B An aircraft 1 with a spiral inducing assembly 2 which is capable of inducing the aircraft to travel in a continuous spiralling motion without the aircraft rolling. Two fins 6 and 17 are attached to a tube 3 that is able to rotate a... | 01/23/2007 |
| 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 |
| 7098619 | Actuator and movement linkage system An actuator and movement linkage system for moving a load, such as a control surface of aircraft, in relation to a carrying structure includes an electric motor system, an actuator device connectable or connected to the load to move the load, the actuator device con... | 08/29/2006 |
| 7093791 | Aircraft spiralling mechanism—c An aircraft 1 with a spiral inducing assembly 2 which is capable of inducing the aircraft to travel in a continuous spiralling motion without the aircraft rolling. Two fins 6 and 17 are attached to a tube 3a that is able to ... | 08/22/2006 |
| 6708923 | Aircraft spiralling mechanism An aircraft 1 in the form of an airplane with a spiral inducing assembly 2 which is capable of inducing the airplane to travel in a continuous spiralling motion without rolling. Two fins 3 and 4 are attached to a tube 5 that is abl... | 03/23/2004 |
| 6419187 | Profile In a thin-walled profile with profile variation using anisotropisms due to the material or the structure, the anisotropisms due to the material or the structure are arranged locally in the profile to produce specific changes in the contour.... | 07/16/2002 |
| 6405976 | Counter-rotation disc lift device A lift and propulsion device is presented which utilizes Bournelli's Principle and the principle of relative motion to create lift. A series of discs are arranged in coaxial alignment. Each successive disc rotates in a direction opposite from the directio... | 06/18/2002 |
| 6378802 | Enhance aerodynamic profile The enhanced aerodynamic profile of the invention consists of a profile consisting of three sections: a front or leading edge of two sides or plates forming an acute dihedral angle with the vertex facing forward, a central section formed by two parallel s... | 04/30/2002 |
| 5934607 | Shock suppression supersonic aircraft The invention is a supersonic aircraft. In detail, the aircraft is in the form of a flying wing having a generally flat upper surface, a generally cosine shaped lower surface and a swept back leading edge. A propulsion system is mounted in the aircraft fo... | 08/10/1999 |
| 5344102 | Rotary-wing blade of rotary-wing aircraft A rotary-wing blade of a rotary-wing aircraft has an airfoil section which has an asymmetrical region of positive camber from its leading edge to its approximately 30-percent chord length point and an essentially symmetrical airfoil region from its 30-per... | 09/06/1994 |
