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| Number | Title | Issue Date |
| 8181912 | Engine pod for an aircraft with a vortex generator arrangement An engine pod for an aircraft has one side which features several fin-shaped vortex generators such that the overall vorticity field generated by the vortex generators extends over an increasing airfoil area in the wingspan direction as the angle of attack increases... | 05/22/2012 |
| 8172185 | Establishment of laminar boundary layer flow on an aerofoil body In order to establish laminar flow on the attachment line (18) of an aerofoil body, a duct entrance (27) is provided on the leading edge of the aerofoil body for receiving spanwise boundary layer flow BLt. The exit (23) of the duct is located sp... | 05/08/2012 |
| 8118263 | Method of controlling an aircraft in flight, especially to reduce wake vortices The flight of an aircraft is controlled by controlling the aircraft propulsion thrust and adjusting aerodynamic control elements so that the aircraft flies along a specified flight path. In order to reduce wake vortices generated by and trailing behind the aircraft,... | 02/21/2012 |
| 7934686 | Reducing drag on a mobile body A vortex ring generator adapted to be associated with a body subjected to fluid flow, the vortex ring generator being adapted to produce a fluid flow in the form of a vortex ring with the fluid flow moving over the body from the vortex ring generator. ... | 05/03/2011 |
| 7874523 | Method of controlling an aircraft in flight, especially to reduce wake vortices The flight of an aircraft is controlled by controlling the aircraft propulsion thrust and adjusting aerodynamic control elements so that the aircraft flies along a specified flight path. In order to reduce wake vortices generated by and trailing behind the aircraft,... | 01/25/2011 |
| 7866608 | Device for controlling a vortex trail generated by the oblong element of an aircraft bearing surface A device for controlling a vortex trail generated by an oblong element of an aircraft bearing surface includes a control component arranged on a fixing element of the oblong element and on a bearing surface such that a base of the control component contacts the lead... | 01/11/2011 |
| 7766279 | Vortex ring generator A vortex ring generator adapted to be associated with a body subjected to fluid flow, the vortex ring generator being adapted to produce a fluid flow in the form of a vortex ring with the fluid flow moving over the body from the vortex ring generator. ... | 08/03/2010 |
| 7673834 | Vortex ring generator A vortex ring generator adapted to be associated with a body subjected to fluid flow, the vortex ring generator being adapted to produce a fluid flow in the form of a vortex ring with the fluid flow moving over the body from the vortex ring generator. ... | 03/09/2010 |
| 7520470 | Aircraft configuration with improved aerodynamic performance An aircraft (10), in particular a trainer aircraft with improved aerodynamic performance, having a configuration able to keep a directional stability and a very good aerodynamic behaviour even at very high angles of attack, where, traditional configurations p... | 04/21/2009 |
| 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 |
| 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 |
| 7364118 | Propulsion arrangement In order to achieve greater operational efficiency a propulsive arrangement is provided in which a relatively large number of small propulsive assemblies 9; 31, 32, 33 are provided in aircraft structures in particular the wing 7; 30. The assemblies ... | 04/29/2008 |
| 7357358 | Aircraft leading edge device systems and corresponding sizing methods Aircraft leading edge device systems and methods for sizing such systems are disclosed. In one embodiment, a spanwise lift coefficient distribution for an airfoil corresponding to at least one design condition and at least one aircraft angle of attack is identified,... | 04/15/2008 |
| 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 |
| 7309049 | Orbital debris shield An orbital debris shield for protecting the hull of a spacecraft. The shield is comprised of a number of flexible and releasably attached gores that substantially cover the hull. Interleafed between layers of the gores are layers of a spacing material. As debris col... | 12/18/2007 |
| 7275722 | Wing tip device An aircraft comprises a wing tip device, for example a winglet, a raked-tip device, a wing tip fence or a planar wing extension, mounted in the region of the tip of a wing on the aircraft. The wing tip device is rotatably moveable between a first position and a seco... | 10/02/2007 |
| 7241113 | Vorticity control in a gas turbine engine An arrangement for reducing vorticity downstream of a turbine nozzle guide vane 34 in a gas turbine engine. The arrangement including directing cooling air through the guide vane 34 and out through outlets 40 in directions to counteract the wave... | 07/10/2007 |
| 7219855 | Rising and moving apparatus and manufacturing method thereof A fluid-structure interactive analysis is performed while n types of wing structure models are caused to flap in accordance with a prescribed model of flapping manner. Based on an analysis, data 1, data 2, . . . data n of physical values related to flu... | 05/22/2007 |
| 7150434 | Vehicle wake vortex modifier Wake vortices are made less detectable or reduced in their effect on nearby vehicles by re-orientation of vorticity about an axis in the direction of vehicle motion to transverse vorticity interacting with the longitudinal vorticity. The re-orientation may be by a f... | 12/19/2006 |
| 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 |
| 7070148 | Aerodynamic component for controlling a landing guide path of an aircraft An aerodynamic including a main body and a control member. The main body is configured to be connected to a wing of an aircraft. The control member is connected to the main body, the control member including a fixed member secured to the main body and a pivotable me... | 07/04/2006 |
| 5282591 | Active vortex control for a high performance wing An on-demand wing vortex control system includes a pair of retractable pas which extend forward through slots in the leading edges of the strake and main wing at their junction. When not in use, the device is retracted in a stowed position, thus having z... | 02/01/1994 |
| 4860976 | Attached jet spanwise blowing lift augmentation system A lift enhancing system for an aircraft having wings and a deflectable airfoil attached to the trailing edge of the wing which includes ejecting nozzles attached to and movable with each deflectable airfoil to eject gas spanwise across the surface of the ... | 08/29/1989 |
| 4739957 | Strake fence flap The strake fence flap is a device which may be tailored to the aircraft to augment the low-speed lift of canard-configured general aviation aircraft with little or no longitudinal trim change and no cruise drag penalty. The strake fence flap is deployed a... | 04/26/1988 |
| 4738479 | Mobile car stabilizer actuating device A device comprising a movable panel, designed to support a stabilizer by means of at least one rib; an opening in the car bodywork, the edge of which opening presents substantially the same shape as the stabilizer contour and the aforementioned panel cont... | 04/19/1988 |
| 4685643 | Nacelle/wing assembly with vortex control device In a nacelle and wing combination where a vortex is shed from a side surface portion of the nacelle and said vortex burst prematurely to reduce lift, the improvement comprising a vortex control device located in an upwash region along the side of the nace... | 08/11/1987 |
| 4648571 | Transverse thrust lift augmentation system Disclosed is a propulsive lift mechanism which improves the short takeoff and landing capabilities of an aircraft by generating transverse thrust lift augmentation by exhausting gasses ported from the main exhaust through a nozzle, close behind and parall... | 03/10/1987 |
| 4569494 | Pitch control of swept wing aircraft A pair of vanes (26, 28) extend laterally outwardly from the fuselage (10) of a swept wing aircraft immediately forwardly of the wings (12, 14). The preferred vanes (26, 28) have a trapezoidal plan form, an outwardly tapering thickness and an airfoil cros... | 02/11/1986 |
| 4540143 | Nacelle/wing assembly with wake control device In a wing and nacelle combination, where the nacelle is positioned below and forwardly of the wing leading edge, a wake control device to control a turbulent wake which is formed at the upper forward lip portion of the nacelle. This wake control device co... | 09/10/1985 |
| 4489905 | Nacelle-pylon configuration for an aircraft and method of using the same A below-wing engine nacelle mounted by a pylon forwardly of a wing having a rearward sweep. The pylon upper outboard edge that extends forwardly of the wing is formed with a relatively sharp radius of curvature. Thus, airflow which flows over the top of t... | 12/25/1984 |
| 4466587 | Nacelle installation Nacelle installation having devices for constraining hot core exhaust gas from flowing over the trailing portion of a highly swept pylon supporting a high bypass turbofan engine. The devices can comprise a pylon ejector, a core nozzle shroud or a pluralit... | 08/21/1984 |
| 4444367 | Aerofoil bodies An aerofoil body, for example a "delta" wing aircraft, in which strip-form devices project rearwards from the trailing edge of the wing and serve to improve the lift-to-drag ratio of the body, in some conditions of flight at least, by modifying the format... | 04/24/1984 |
| 4434957 | Low drag surface A low drag surface comprises at its upstream edge an intermittent linear vortex producing means extending transverse to the flow of fluid across the surface. The vortex producing means produces a succession of rolling vortices which roll across the surfac... | 03/06/1984 |
| 4429843 | Counter-rotating vortices generator for an aircraft wing A device for enhancing the lift capability of an aircraft wing is characterized by at least one forwardly projecting finger member mounted on the leading edge of the wing. The finger generates counter-rotating vortices, each in contact with the other, tra... | 02/07/1984 |
| 4418880 | Fluid flow augmentor There is described a fluid flow concentrating device suitable, for example, for concentrating the flow of tidal waters or of wind, which comprises a hollow body closed at one end and open at the other. The body has a fixed circumferential wall composed of... | 12/06/1983 |
| 4378922 | Aircraft having improved strake configuration An aircraft has a series of strakes in the form of laterally projecting bs (low aspect ratio semi-delta type aerofoils) extending longitudinally rearwards from and on each side of the nose, each barb lying substantially parallel to the longitudinal axis.... | 04/05/1983 |
| 4323209 | Counter-rotating vortices generator for an aircraft wing A device for enhancing the lift capability of an aircraft wing is characterized by at least one forwardly projecting finger member mounted on the leading edge of the wing. The finger generates counter-rotating vortices, each in contact with the other, tra... | 04/06/1982 |
| 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 |
| 4291853 | Airplane all-moving airfoil with moment reducing apex Disclosed is an airplane all-moving airfoil having a moment reducing apex for facilitating control of the airfoil. In a preferred embodiment, the apex protrudes forward from the leading edge of an all-moving horizontal stabilizer and operates through its ... | 09/29/1981 |
| 4267990 | Method for steering an aircraft The present aircraft steering method makes use of additional lift gained by ontrolling the separating of vortical flows from the leading edges of the wings for the purpose of controlling the aircraft about its pitch axis, its roll axis, and its yaw axis. T... | 05/19/1981 |
