Matches 1 - 50 out of 69 1 2 >
Match Document Document Title
7448578 Aircraft with forward opening inlay spoilers for yaw control  
An aircraft comprises first and second wings positioned on opposite sides of a longitudinal axis with each of the first and second wings including an upper surface and a lower surface, wherein no...
7384016 Adaptive compliant wing and rotor system  
Variation in the contours of first and second compliant surfaces is produced by a compliant frame having a first resiliently variable frame element ( 120 ) having a corresponding first outer...
7367532 High lift longitudinal axis control system  
A bipartite, full span airplane flap system having an inboard flap portion and an outboard flap portion, wherein the outboard flap portion includes an integrated aileron mounted on its...
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...
7059664 Airflow control devices based on active materials  
An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one...
7014142 Low-drag rotor/wing flap  
Rotor/wing aircraft having a low-drag flap are disclosed. In one embodiment, a rotor/wing aircraft includes an elongated blade having a body portion and a flap portion. The body portion has first...
6966526 Dragless flight control system for flying objects  
The Dragless Flight Control System for Flying Objects utilizes paired fins that are mounted to rotate in opposite directions. When no lift is desired during the object's flight, the fins are...
6910661 Geometric morphing wing  
An airfoil member ( 14 ) is provided including a geometric morphing device ( 18 ). The geometric morphing device ( 18 ) has an inflatable member ( 30 ). The inflatable member ( 30 ) has an exterior...
6892989 Method for reducing the drag of blunt-based vehicles by adaptively increasing forebody roughness  
A method for reducing drag upon a blunt-based vehicle by adaptively increasing forebody roughness to increase drag at the roughened area of the forebody, which results in a decrease in drag at the...
6834835 Telescopic wing system  
The present invention is a wing having telescoping segments deployed via an actuator composed of a heat activated material. The actuator is a coiled tube of shape memory alloy (SMA) with large...
6827314 Aircraft with active control of the warping of its wings  
An aircraft with active control of the warping of its wings may include at the outer end of each wing an articulating additional aerodynamic plane that is swept back with respect to the wing. The...
6824108 Active drag modulation system and method  
A vehicle traveling through an environmental media such as air experiences drag. The drag is actively modulated by energy beams which may either increase or decrease the drag. The energy beams may...
6682021 System and method for actively manipulating and controlling fluid flow over a surface  
The present invention provides a system and method for actively manipulating and controlling aerodynamic or hydrodynamic fluid flow over a surface. More specifically, the present invention provides...
6588709 Apparatus for variation of a wall skin  
The present invention provides an apparatus and method for varying a wall skin to alter airflow over the skin. The apparatus has a first and second end-plates, a plurality of flexible rods are...
6513761 Method and apparatus for reducing trailing vortices in the wake of an aircraft  
Harmful trailing vortices downstream of an aircraft wing are at least partly dissipated by a respective counteracting vortex for each trailing vortex at each wing. An auxiliary counteracting vortex...
6474593 Guided bullet  
A projectile having a plurality of micro electromechanical (MEMS) devices disposed about the axis of flight for active control of the trajectory of the projectile. The MEMS devices each form an...
6422518 Aircraft with means for a premature breakdown of the wing vortex pair  
For a premature breakdown of a wing vortex pair +/−Γ M behind an aircraft in flight ( 1 ) comprising a symmetry plane ( 7 ), two wings ( 3 ), a fuselage ( 2 ) and a horizontal tail plane (HTP)...
6398167 Aircraft braking system  
An aircraft braking system including a port formed in a side of an airplane. The port has an openable door disposed therein. The openable door is in operative communication with a computerized...
6394397 Lifting surface with active variable tip member and method for influencing lifting surface behavior therewith  
A tip member is movable mount at the outboard end of a main lifting member such as a wing or rotor blade. The main lifting member at least at the outboard end has an internal cavity defined therein...
6394396 Aerodynamic noise reducing structure for aircraft wing slats  
A hollow expandable and contractible displacement element is secured onto the concave rear surface of a slat facing the leading edge of an aircraft wing. A bleed air line supplies engine bleed air...
6371414 System and method for manipulating and controlling fluid flow over a surface  
The present invention provides a system and method for actively manipulating and controlling aerodynamic or hydrodynamic fluid flow over a surface. More specifically, the present invention provides...
6360997 Automatic wing-flap  
An automatic wing-flap that consists of the use of each side of the fuselage of additional small wings, which act simultaneously as individual wings and as flaps, fastened and divided with a...
6286789 Configurable aerial vehicle aerosurface  
A configurable aerial vehicle aerosurface is disclosed, The configurable aerial vehicle aerosurface includes first and second airfoil surfaces in sliding engagement. A plurality of apertures pass...
6220549 Method and apparatus for fabricating panels used for the active control of surface drag  
Improved methods and techniques for fabricating a panel of control cells, or a "control panel", useful in various electromagnetic turbulence control (EMTC) applications includes a layered structure...
6199796 Adaptive pneumatic wing for fixed wing aircraft  
6161802 Trapped vortex airfoil nose  
An airplane has a plurality of airfoils with leading edges. A partition and a nose cap are located at a forward surface of the airfoil, creating upper and lower cavities. The nose cap may be...
6129308 Delta-shaped aircraft with variable camber fuselage and wing  
In accordance with the present invention, there is provided a variable camber delta-shaped aircraft. The aircraft is provided with an integrated fuselage/wing generally defining the aircraft and...
6123296 Self-actuated flow control system  
Arrays of microslats operating within the boundary layer of an aircraft wing or other surfaces are provided. The arrays consist of rows of microslats, staggered between rows, and shaped so that the...
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...
6082679 Active system for early destruction of trailing vortices  
An active control method and apparatus for encouraging the early destruction of trailing vortices formed by a lifting body having at least two control surfaces on each side and creating multiple...
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)...
6059236 Tangential force panel for active flow control of a conductive fluid  
Magnetic and electric fields are used in a controlled manner to create equal and oppositely-directed Lorentz forces tangential to the surface of a control tile that affect the flow of a conductive...
6045095 Vane-airfoil combination  
A vane-airfoil combination for shifting forces associated with an airfoil. The vane-airfoil combination includes an airfoil moving through a fluid, such as air. A plurality of vanes is positioned...
6042059 System and method of vortex wake control using vortex leveraging  
This invention relates to a system and method for reducing the primary vortex wake structure generated by a lifting body mounted on an object moving through a fluid. This is achieved by first,...
6002972 Method and apparatus for measuring forces based upon differential pressure between surfaces of an aircraft  
A method and apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift...
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.
5806808 Airfoil lift management device  
A passive porosity airfoil lift management device employed on a leading edge region of said airfoil whereby the lift on said airfoil may be varied and controlled by passively transferring air...
5803409 Method and apparatus for reducing the drag of flows over surfaces  
An apparatus, and its accompanying method, for reducing the drag of flows over a surface includes arrays of small disks and sensors. The arrays are embedded in the surface and may extend above, or...
5737222 Apparatus for measuring lift forces based upon differential pressure between surfaces of an aircraft  
An apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift surfaces of...
5662294 Adaptive control surface using antagonistic shape memory alloy tendons  
A pliant, controllable contour control surface comprising a first flexible facesheet formed to a first initial contour of the control surface, and a second flexible facesheet formed to a second...
5540406 Hydrofoils and airfoils  
A low turbulence cambered surface foil, hydrofoil or airfoil, which contains indentations located on maximum camber across which a fluid can be flowed. The indentations create turbulence in the...
5457630 System for onboard lift analysis and apparatus therefor  
A method and apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift...
5366177 Laminar flow control apparatus for aerodynamic surfaces  
Aerodynamic boundary layer control apparatus comprising a panel assembly having one surface for immersion in an ambient fluid flow and provided with perforations, a first array of fluid...
5354017 Method for controlling turbulence  
Controlling turbulence in a medium caused by injection of energy into the medium at relatively large scale with consequent dissipation of energy at relatively small scale, is achieved by...
5320310 Articulated wing mechanism  
An articulated wing has a fore wing portion and after wing portion connected to an articulate axis support structure which extends along the length of the wing and separates the two wing portions....
4998689 90 degree rotation aircraft wing  
A high speed aircraft fitted with a unitary, rotatable wing coupled to the craft's fuselage at a hollow turret or solid pivot pin, enabling it to operate with the wing in either of two ninety...
4986493 Convertible fixed wing aircraft  
A fixed wing aircraft that can be converted to an automotive vehicle, comprising a generally rectangular planform fuselage having four wheels as in conventional automobile practice, and a...
4979700 Rotary actuator for leading edge flap of aircraft  
A rotary geared actuator for pivotally connecting a flap to a wing of an aircraft, includes at least two adjacent actuator slices rotatably coupled together, each actuator slice including a sun...
4890803 Airfoil with fixed and variable upper camber portions  
An airfoil having improved aerodynamic characteristics has a leading edge and a trailing edge longitudinally spaced therefrom. A continuous lower surface of the air foil forms a lower camber...
4432516 Variable airfoil assembly  
The present variable airfoil assembly has a fixed airfoil member with a shallow recess in the top in which an adjustable airfoil member is seated snugly, when lowered, to present a convex top...
Matches 1 - 50 out of 69 1 2 >