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| Number | Title | Issue Date |
| 7735773 | Aircraft The invention relates to an aircraft comprising a fuselage and at least two substantially hollow cylindrical lifting bodies which are applied to the fuselage and comprise a plurality of rotor blades which extend over the periphery of the lifting bodies, the peripher... | 06/15/2010 |
| 7654486 | VTOL personal aircraft A vertical take-off and landing (VTOL) aircraft comprises (1) a fuselage having a front end, a rear end and two lateral sides, the fuselage defining a substantially horizontal central longitudinal axis of the aircraft; (2) an aircraft tail arranged at the rear end o... | 02/02/2010 |
| 7607606 | VTOL personal aircraft An STOL or VTOL winged aircraft comprises a fuselage and a fixed wing attached to the fuselage and extending outward from the two lateral sides thereof, forming one wing component extending outward from one side of the fuselage and a second wing component extending ... | 10/27/2009 |
| 7461811 | VTOL personal aircraft An STOL or VTOL winged aircraft comprises a fuselage and a fixed wing attached to the fuselage and extending outward from the two lateral sides thereof, forming one wing component extending outward from one side of the fuselage and a second wing component extending ... | 12/09/2008 |
| 7382283 | Method and device for detecting an overstepping of design loads of the tailplane of an aircraft Detection of the overstepping of design loads of an aircraft tailplane may include determining current bending and twisting moments applied to the aircraft. The determined bending and twisting moments are compared with a safety envelope to determine the risk of deve... | 06/03/2008 |
| 7370828 | Rotary wing aircraft A rotary wing aircraft is provided with longitudinally oriented counter-rotating rotors with circumferentially spaced variable pitch elongated rotor blades connected at their opposite ends to rotatable support rings mounted on the aircraft fuselage. Rotor downwash m... | 05/13/2008 |
| 7334939 | Method and device for verifying a temperature value at a destination altitude of an aircraft The device comprises a means for measuring a dynamic temperature on the outside of the aircraft, a means for determining a static temperature around the aircraft, using said dynamic temperature, a means for determining, using said static temperature and a thermodyna... | 02/26/2008 |
| 7264202 | Tri-cycloidal airship An unmanned, lighter-than-air airship includes three omnidirectional thrust generating units. One unit is mounted at the fore-end of the airship to generate thrust in a plane that is perpendicular to the longitudinal axis of the airship. This unit controls pitch and... | 09/04/2007 |
| 7219854 | Cycloidal hybrid advanced surface effects vehicle A “wing in ground effect” aerial vehicle includes a wing mounted on a fuselage, and two cycloidal propulsion units for providing lift, thrust and longitudinal control. Additional lift is provided by a lighter-than-air gas such as helium contained in the fuselage... | 05/22/2007 |
| 6969027 | Vertical takeoff and landing apparatus A vertical takeoff and landing apparatus is excellent in the maneuverability and postural stability of its airframe, serves to protect a pilot from an impact when landing, and can make extremely stable flight when hovering near a building. An airframe has a propulsi... | 11/29/2005 |
| 6932296 | Cycloidal VTOL UAV A system and method for moving an aerial vehicle along a flight path includes rotatable hubs mounted on opposite sides of the vehicle. Elongated airfoils are mounted on the hubs parallel to a common hub axis for rotation about the hub axis on a blade path. Each airf... | 08/23/2005 |
| 6845940 | Lift generator by continuously rotating impeller In order to continuously rotate an impeller having an axis parallel to a ground surface in one direction to generate lift, a cover close to a periphery in an opposite lift side is provided within a half of an outer periphery of the impeller, and a cylindrical scroll... | 01/25/2005 |
| 6527229 | Aerodynamic lift generating device An aircraft has its wing defined as a wing-like body with a tangential flow rotor in the leading edge. A shroud, under the lower part of the tangential flow rotor, terminates in at least one movable flap defining a lift-generating lip when the rotor is ro... | 03/04/2003 |
| 6352458 | Propulsion system and method A method and system for propelling or sustaining marine vessels and aircraft. A propulsive force is developed in a gaseous or liquid fluid as a result of rotation of two pairs of generally parallel blades around two perpendicular intercrossed axes with th... | 03/05/2002 |
| 6231004 | Fluid dynamic lift generation An aircraft lifting member (wing) comprises a crossflow rotor 2 formed of a core 4 having rotor vanes 5 mounted around it, disposed in a trough 3 at the front upper part of a wing-like body 1. Rotation of the rotor induces a downwardly and rearwardly dire... | 05/15/2001 |
| 6224441 | Propulsion system and method A method and system for developing a propulsive force which can be utilized for driving different types of water, air or land vehicles. The propulsive force is developed by rotating a propeller shaft with four generally flat propeller blades mounted on tw... | 05/01/2001 |
| 6016992 | STOL aircraft A STOL aircraft has a fuselage 22 vertical 26 and horizontal 27 rear stabilizers and at least one wing made up of a lower primary airfoil 10 and an upper complementary airfoil 11 which, between them, form the inlet 12 and exhaust 14 air ducts. The craft i... | 01/25/2000 |
| 6007021 | Flying apparatus for a vertical take off and landing A flying apparatus has a body; power means; and lifting force generating units, the lifting force generating units being arranged parallel to a plane of symmetry of the body and turnable in a vertical plane, each of the lifting force generating units is f... | 12/28/1999 |
| 5954295 | Lift generation by counter-rotating line vortices A mechanism and method for generating lift with the Bernoulli Effect. A pair of cylindrical impellers create a pair of counter rotating forced linear vortices. Fast moving, low pressure air surrounding the forced vortices comes into contact with the upper... | 09/21/1999 |
| 5265827 | Paddle wheel rotorcraft An aircraft having vertical takeoff and landing capability having at least first and second laterally extending paddle wheels rotatable on a central axis generally perpendicular to the longitudinal axis of the aircraft and between its nose and tail. Each ... | 11/30/1993 |
| 5100080 | Rotor for developing sustaining and propelling forces in a fluid, steering process, and aircraft equipped with such rotor The invention relates to a rotor able to develop in a fluid lifting and/or propelling forces and its process for control. Said rotor comprises several profiled blades (9) with axes parallel to the drive axis (3); the incidence of each profiled blade is co... | 03/31/1992 |
| 4527757 | Lift generating mechanism for an aircraft A lift generating mechanism includes a plurality of airfoils each having first and second end surfaces, first and second side surfaces, and a centerline extending between the first and second side surfaces. The airfoil section lying between the first end ... | 07/09/1985 |
| 4243190 | Rotary wing device A rotary wing device has a circular stabilizer disc and, secured normally thereto, a bilaterally symmetrical wing member having a first symmetry axis intersecting the center of the stabilizer disc. The ends of the wing member at the first symmetry axis ar... | 01/06/1981 |
| 4210299 | Propulsive lifting rotors A propulsive lifting rotor for an aircraft comprises two wings pivotally mounted about axes parallel to their leading edges. The wings (rotary airfoils) are located at respective sides of a plane at right angles to the rotor axis.... | 07/01/1980 |
| 4194707 | Lift augmenting device for aircraft A lift augmenting device to provide a vertical take-off capability in aircraft which includes a pair of rotor assemblies with independently individually pivoted rotor vanes so that the attitude of the vanes can be changed at different positions along the ... | 03/25/1980 |
| 4166595 | Variable lift advancing wing aircraft An aircraft comprised of a pair of spaced apart interconnected air-frame members and a cargo compartment supported therewithin is provided with a plurality of expansible airfoils mounted for peripheral movement around the air-frame members as driven by a ... | 09/04/1979 |
| 3938759 | Special aircraft using a novel integrated lift, propulsion and steering system An aircraft having a body on which is mounted an integrated lift, propulsion and steeing system inclusive of cycloidal propellers having horizontal axes of rotation capable of developing net thrust forces at any given angle in a vertical plane. Each prope... | 02/17/1976 |
