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| Number | Title | Issue Date |
| 7992825 | Control surface of aircraft Aircraft control surface (1), in particular for an aircraft lifting surface (2), that comprises a primary control surface (6) that comprises a hinge axis (10), and a secondary control surface (7) that comprises a hinge axis (11 | 08/09/2011 |
| 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 |
| 7293744 | Lift-flap mechanism Lift flap mechanism for adjusting a lift flap assigned to an airplane wing by means of a driving system, the lift flap mechanism comprising a main connection mechanism and a secondary connection mechanism in the form of a guide lever disposed in an articulated manne... | 11/13/2007 |
| 7243881 | Multi-function trailing edge devices and associated methods Trailing edge devices configured to carry out multiple functions, and associated methods of use and manufacture are disclosed. An external fluid flow body (e.g., an airfoil) configured in accordance with an embodiment of the invention includes a first portion and a ... | 07/17/2007 |
| 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 |
| 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 |
| 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 |
| 7131611 | Device and method of control of fixed and variable geometry rhomboid wings Provided is an aerodynamic body having rhomboid wings and internal torsion bars which can be twisted to affect a change in the shape of a wing. Individual or multiple swings can slide relative to the fuselage body to affect a change in sweep angle and aspect ratio. ... | 11/07/2006 |
| 7048228 | Slotted aircraft wing An aircraft wing includes a leading airfoil element and a trailing airfoil element. At least one slot is defined by the wing during at least one transonic condition of the wing. The slot may either extend spanwise along only a portion of the wingspan, or it may exte... | 05/23/2006 |
| 7011276 | Carrying or guiding device for aircraft components A carrying or guiding device for aircraft components, in particular for landing flaps arranged on an aircraft wing, including a carrier having a substantially U-shaped section with substantially parallel side walls, and a cover plate arranged at the open side. To mi... | 03/14/2006 |
| 7007897 | Flight control actuation system A flight control actuation system comprises a controller, electromechanical actuator and a pneumatic actuator. During normal operation, only the electromechanical actuator is needed to operate a flight control surface. When the electromechanical actuator load level ... | 03/07/2006 |
| 6905092 | Laminar-flow airfoil An airfoil having a fore airfoil element, an aft airfoil element, and a slot region in between them. These elements induce laminar flow over substantially all of the fore airfoil element and also provide for laminar flow in at least a portion of the slot region. The... | 06/14/2005 |
| 6641089 | Flap arrangement for varying the aerodynamic lift generated by an aerodynamic element of an aircraft An auxiliary flap is movably arranged on a planar trailing edge of an aerodynamic element such as a wing, rudder, stabilizer, or flap. The auxiliary flap is rotatable and/or slidable relative to the aerodynamic element, to move selectively into three posi... | 11/04/2003 |
| 6598834 | Method for reducing fuel consumption in aircraft A method and means are provided for increasing the aerodynamic efficiency of an airfoil employed by an aircraft. The method utilizes the primary flight control surfaces (11) (12) contiguous to the airfoil's trailing edge and relocates these devices to nov... | 07/29/2003 |
| 6565045 | Aircraft aerodynamic surface with trailing edge deflector An aerodynamic surface, such as a wing, empennage, angle of drift, nacelle pylon and the like for an aircraft includes at least one lightening hole pertaining to the trailing edge of the underwing, at least one hinged baffle that can be mounted in the lig... | 05/20/2003 |
| 6450457 | Fairing arrangement for an aircraft The fairing arrangement 28 comprises a first fairing portion 32 on a wing 10 and a second fairing portion 34 on an aileron 12 which is mounted on and angularly displaceable with respect to the wing. The fairing arrangement protrudes 28 outwardly of the ae... | 09/17/2002 |
| 6247670 | Active flaperon assembly An active flaperon assembly for a wing includes a sheet of flexible material deployed near an intersection between a primary lift surface of a wing and the surface of a flap. The sheet is mechanically linked to the flap such that it is withdrawn from and ... | 06/19/2001 |
| 6224022 | Airplane high lift surface drive system An airplane high lift surface drive system having a first actuator connected to a first high lift surface and a second actuator connected to a second high lift surface, wherein the first actuator is electrically connected to the second actuator in series.... | 05/01/2001 |
| 6164598 | Adaptive control surface apparatus In accordance with the present invention, there is provided an aerodynamic control surface apparatus for use with a wing assembly having a wing trailing edge. The control surface apparatus has an inboard section defined by a cordwise inboard side, a first... | 12/26/2000 |
| 6152405 | Lift body having a variable camber A lift body has a variable camber to achieve a flow-favorable profile. The lift body has a structure which is elastically deformable at least in one area. An integrated adjusting device includes at least one dimensionally stable adjusting body which can b... | 11/28/2000 |
| 6076775 | Airfoil with a landing flap having a flexible trailing edge A lifting airfoil (10) includes a landing flap (20) movably connected to a main airfoil body (10') so as to form at least a portion of the trailing edge of the airfoil. The landing flap (20) includes a leading edge nose (21) and a trailing edge body (22),... | 06/20/2000 |
| 6076767 | Flight control surface actuation system A flight control surface actuation system is provided in which a plurality of actuators (6-13) are connected to one another in order to synchronize their operation. Each actuator has its own gearbox such that the torque transmitted in the synchronizing el... | 06/20/2000 |
| 5788190 | Slotted cruise trailing edge flap A slotted cruise trailing edge flap (16) having a single-slotted configuration during cruise, and a double-slotted configuration during takeoff and landing is disclosed. The slotted cruise trailing edge flap (16) includes a flap assembly (18) positioned a... | 08/04/1998 |
| 5655737 | Split rudder control system aerodynamically configured to facilitate closure A split rudder control system for an aircraft which reduces the net opening hinge moments opposing return of the split rudders to the fully closed position from small deflection angles. The split rudder control system provides a smoothly faired aerodynami... | 08/12/1997 |
| 5639215 | Helicopter rotor equipped with flaps A blade of the rotor is attached to a main rotor shaft, and is rotated counterclockwise at a high speed when viewed from above. In the vicinity of the blade tip, a flap having a wing shape in section is pivotally supported with a hinge so as to be angular... | 06/17/1997 |
| 5634613 | Tip vortex generation technology for creating a lift enhancing and drag reducing upwash effect Methods for using tip generated vortices to improve performance of foils. These methods include generating a substantially streamwise beneficial vortex (74) near the outboard end (60) of a foil (82). This beneficial vortex (74) spins in the opposite direc... | 06/03/1997 |
| 5622336 | Device for the protection of a control surface hinge particularly for an aircraft In order to reduce the force to be applied to the control member of a control surface (10) articulated to a support structure (12) by hinges located in notches or slots (28) formed in the leading edge (16) of the control surface, a protection device is as... | 04/22/1997 |
| 5518210 | Seal plate for aircraft movable flight control surfaces A fixed seal plate for an aircraft functions to seal the gap between a movable flight control surface and its associated airfoil when the control surface is in a deflected position. The seal plate is fixed to the airfoil (typically a wing) so that it does... | 05/21/1996 |
| 5388788 | Hinge fairings for control surfaces A new hinge fairing design for control surfaces such as ailerons, elevators, and rudders. By staggering the two curved hinge fairings, one mounted to the fixed airfoil and the other to the leading edge of the control surface, a curving load path is opened... | 02/14/1995 |
| 5342004 | Airfoil trailing flap Improvements in airfoils, such as conventional airfoils, are disclosed including modifications to the final flap element of the airfoil. Disclosed are surface contour modifications, including, in some instances, extensions of the chord of the final flap e... | 08/30/1994 |
| 5253828 | Concealable flap-actuated vortex generator A concealable flap actuated vortex generator for generating a vortex on a lifting surface assembly, and an improved aircraft flight lifting surface having such concealable flap actuated vortex generators. When the flap of the lifting surface assembly is i... | 10/19/1993 |
| 5178348 | Contoured wing/flap assembly and method A wing flap assembly having a contoured upper forward surface portion of the flap being arranged to reduce adverse effects of a wake producing device, such as a landing gear or a flap track faring, positioned upstream of the slot, when the flap is in its ... | 01/12/1993 |
| 5088665 | Serrated trailing edges for improving lift and drag characteristics of lifting surfaces An improvement in the lift and drag characteristics of a lifting surface is achieved by attaching a serrated panel to the trailing edge of the lifting surface. The serrations may have a saw-tooth configuration, with a 60° included angle between adjacent ... | 02/18/1992 |
| 4840331 | Trailing edge flaps for aircraft wings A trailing edge flap assembly for an aircraft wing includes at its rearward end upper and lower surfaces terminating in a trailing edge portion. The assembly has a flap (15) is located in a stowed position during normal flight. A mounting beam (18) is loc... | 06/20/1989 |
| 4669687 | Airfoil flap member with flap track member An airfoil having a trailing edge flap assembly comprising a flap member having a pair of tracks mounted thereto at spanwise spaced locations. Each track member is operatively connected to a slide member which is in turn mounted to a stationary structure.... | 06/02/1987 |
| 4600172 | Retractable rounded trailing edge for circulation control wing In a circulation control airfoil, the improvement comprises of a seprate and rounded compressed air supply duct, with a slot and ejector from which high velocity air can issue tangentially to its surface. The duct is supported by a hollow actuator arm whi... | 07/15/1986 |
| 4575030 | Laminar flow control airfoil A laminar flow control aircraft wing combines suction surfaces and slots in its leading and trailing edge regions, with natural laminar flow over its main box region to achieve laminar boundary layer flow over a majority of the wing surface area. The wing... | 03/11/1986 |
| 4447028 | Upper surface blown powered lift system for aircraft In an aircraft having a pair of engines mounted forwardly of the wing and discharging jet exhaust over the wing for augmented lift, a trailing edge flap is positioned directly behind each of the engines. Each flap has a stowed position for the cruise mode... | 05/08/1984 |
| 4447027 | Upper surface blown powered lift system for aircraft In an aircraft having a pair of engines mounted forwardly of the wing and discharging jet exhaust over the wing for augmented lift, a trailing edge flap is positioned directly behind each of the engines. Each flap has a stowed position for the cruise mode... | 05/08/1984 |
| 4444368 | Slotted variable camber flap Variable camber actuator assemblies 50 broaden the range of speeds at which lift to drag performance is maximized for slotted flap wings. Lift is improved over a broader range of cruising speeds by varying wing camber with rotational flap movements that d... | 04/24/1984 |
