Matches 51 - 100 out of 210 < 1 2 3 4 5 >
Match Document Document Title
6220550 Actuating device with multiple stable positions  
A mechanical actuating device for moving an aerodynamic or hydrodynamic surface includes at least one flexure member confined in an elastically deformed condition. The flexure member is movable...
6209825 Low power loss electro hydraulic actuator  
The system includes a hydraulic surface actuator for operating a piston coupled to a structural member of an aircraft for moving the structural member. An electrical feedback sensor is coupled to...
6200223 Flexible shaft coupling for a power transmission system driven by a central drive unit, especially in aircraft  
A flexible coupling for flexibly connecting two rotary drive shafts includes a first coupling flange connected to the first shaft, a second coupling flange connected to the second shaft, a flexible...
6173924 Low density flexible edge transition  
In accordance with the present invention, there is provided a structural transition system for use between an aerodynamic lifting member and an aerodynamic control device attached thereto. The...
6168379 Helicopter rotor blade with a movable flap  
A helicopter rotor blade includes a main airfoil body (12) and a movable control flap (3) incorporated in the trailing edge profile of the airfoil body. The flap (3) is movably connected to the...
6164599 Aerofoil profile with variable profile adaptation  
In an aerofoil profile with variable profile adaptation and rigid rib structure, the aerofoil profile has a flexible rib structure with rib elements, which are arranged in segments and are...
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...
6145791 Elastomeric transition for aircraft control surface  
Elastomeric transition sections (118, 124) are mounted between the upper and lower portions of a wing (100) and a control surface (102) hinged thereto. The elastomeric transition sections include...
6138956 Aerofoil profile with variable profile adaptation  
In an aerofoil profile with variable profile adaptation, a rib structure of the aerofoil profile is provided which has rigid regions and flexible regions. The flexible region of a rib has at least...
6109567 Flight controls with automatic balance  
Flight controls with automatic balance for use in control of the movement of an aircraft through a fluid system, the control system consists of ailerons divided into two parts, which at low speed...
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)...
6070834 Aerodynamic body with internal actuating drives  
A segment 1 of an aerodynamic body has as the internal actuating drive an actuator 7, which acts on an upper profile shell 2 with one working piston 9 and on a lower profile shell with a working...
6033180 Rotor blade with a rotary spoiler  
A rotor blade is provided with rotary spoilers rotatably supported in recesses formed in a blade body, respectively, so that the upper surface of each rotary spoiler serves as a portion of the wind...
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...
5992792 Aircraft with jet flap propulsion  
In an aircraft (1) according to the invention the engine drives a blower and the compressed air is used to increase the lift of the wing (18) and the canard (22) using jet flap propulsion. The...
5947422 Tail for an aircraft  
A tail (14) for an aircraft (10) has a center member (20) pivotally attached to the aircraft (10). A leading edge flap (22) extends along a length of the center member (20). An elastomeric skin...
5895015 Automatic flap  
An automatic flap that uses on each wing two adjacent fins, one of which is smaller and is located on the middle or front of the wing, the other, which is larger, on the bottom rear of the wing,...
5887828 Seamless mission adaptive control surface  
An airfoil is provided with a seamless control surface which comprises upper and lower skins fixed to a spanwise extending spar and extending chordwise to a trailing edge and having an outer...
5884872 Oscillating flap lift enhancement device  
A lift enhancing device for a solid wing is disclosed wherein a where a mr driven, flap dynamically oscillating flap mechanism produces an increase in the lifting capabilities of the wing.
5839698 Control surface continuous seal  
A continuous skin and seal airfoil comprises a rigid structural wing box located centrally chordwise and extending spanwise and including a spanwise extending spar, an upper skin surface and a...
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...
5749546 Method and apparatus for reducing airframe aerosound  
A method and apparatus for reducing noise produced by the airframe of an airplane in flight. The present invention provides a smooth, continuous, arcuate surface, such as a rounded edge cap, for...
5722621 Bipod load support  
A first upright leg has an upper end pivoted to the body of an aircraft by a first bracket secured to the aircraft skin, alongside a second leg pivoted to the aircraft by a second bracket. The...
5711496 STOL aircraft and wing slat actuating mechanism for same  
A short take off and landing (STOL) aircraft is optimized for STOL performance and flight at minimum airspeed. The aircraft includes leading edge wing slats that are extended and retracted under...
5686907 Skew and loss detection system for individual high lift devices  
This invention is a method and apparatus for determining whether or not auxiliary airfoils on an aircraft wing are skewed or lost. It employs either of two types of systems and their associated...
5680124 Skew and loss detection system for adjacent high lift devices  
This invention is a method and apparatus for determining whether or not auxiliary airfoils on an aircraft wing are skewed or lost. It employs either of two types of systems and their associated...
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...
5651513 Linear flap drive system  
A linear flap drive system for an aircraft having an airfoil and at least one flap which is extendable from the trailing edge of the fixed wing. More particularly the system includes linear drive...
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...
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...
5628477 Auxiliary airfoil lost motion detector and actuator  
Apparatus for detecting and signaling a skewing or misalignment of adjacent aircraft leading edge slats is disclosed. A cable is attached to an actuator having a compression spring system and...
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...
5570859 Aerodynamic braking device  
A spoiler flap is pivotably mounted to the rearward portion of a wind turbine blade or wing to control or influence air flow over the surface of the blade or wing. The spoiler flap has forward and...
5566910 Apparatus for adjusting aircraft wing flaps  
A wing gap closure flap is positioned in an aircraft wing so that a gap between the wing structure and the leading edge of a landing flap can be closed during normal cruising positions of the...
5551651 High lift out-of-contour flap for aircraft wing  
A wing structure including an assembly which is basically constituted of a main airfoil and a lift augmenting device in the form of a flap articulated to the airfoil so as to facilitate a high...
5538202 Hydraulic actuation system for aircraft control surfaces  
A hydraulic actuation system for an aircraft control surface such as an elevon. A pair of spaced pivot points are provided to alternately rotate the control surface either clockwise or...
5527151 Advanced wind turbine with lift-destroying aileron for shutdown  
An advanced aileron configuration for wind turbine rotors featuring an aileron with a bottom surface that slopes upwardly at an angle toward the nose region of the aileron. The aileron rotates...
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...
5407153 System for increasing airplane fuel mileage and airplane wing modification kit  
A system is provided which enables winglets to be added to existing wing structures of 727 model aircraft to increase fuel efficiency while providing a means for redistributing additional loads...
5398893 Model aircraft constructed with extruded fluted plastic sheet  
Aircraft components utilize flexible fluted extruded twin wall plastic sheet to form aileron hinges, horizontal stabilizers and elevators, vertical stabilizers and rudders, compound landing gear,...
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...
5344103 Actuating system for aircraft wing slat and flap panels  
An actuating system effects rotation of wing slat and flap panels of an aircraft and includes actuators having arms rigidly mounted to the panel and allowing some wing-to-panel rotation during...
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...
5335886 Lift enhancement device  
A lift enhancing device for a solid wing is disclosed. A solid wing with a wept leading edge and unswept trailing edge has a rectangular flap attached along the trailing edge. The flap can be a...
5294080 Lift enhancing tabs for airfoils  
A tab deployable from the trailing edge of a main airfoil element forces flow onto a following airfoil element, such as a flap, to keep the flow attached and thus enhance lift. For aircraft wings...
5265830 Trailing edge splitter  
A plate projecting in an aft direction from the blunt trailing edge of a wing. The plate extends across the span of the trailing edge, and may be either planar or curved in the spanwise direction....
5236149 Boundary layer control device for tilt rotor configuration  
A boundary layer control device including a rotating cylinder mounted on a shaft disposed along the trailing edge of the wing of an aircraft and a flap structure secured to the shaft on which the...
5222699 Variable control aircraft control surface  
A variable contour control surface (30a) and a transition section (30a) are designed to eliminate the discontinuities that exist between an aircraft wing control surface and the wing itself. The...
5213287 Wing modification method and apparatus  
A modification kit for the DeHavilland DH-2 Beaver and the DH-3 Otter aircraft. A replacement leading edge is provided for the wing together with replacement droop wing tips and a wing fence. A...
5203524 Vibration damping arrangement for aircraft  
An arrangement and method for damping induced fundamental vibrations in an aircraft high lift device (3) are provided. The arrangement includes a wing (2), a high lift device (3) mounted upon and...
Matches 51 - 100 out of 210 < 1 2 3 4 5 >