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| Number | Title | Issue Date |
| 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 transversely through the airfoil surfaces and are disposed ... | 09/11/2001 |
| 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 which includes three main components or layers: a metal s... | 04/24/2001 |
| 6199796 | Adaptive pneumatic wing for fixed wing aircraft An adaptive pneumatic wing for a fixed wing aircraft having an airtight envelope (8) defined by a top skin (1) and a bottom skin (2) subdivided internally by a plurality of cells extending longitudinally of the wing, portions of the cells being airtight f... | 03/13/2001 |
| 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 positioned in an extended position or a retracted position. The ... | 12/19/2000 |
| 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 having longitudinal and lateral axes. The fuselage/wing has ... | 10/10/2000 |
| 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 trailing edge of the microslat is normal or perpendicular... | 09/26/2000 |
| 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 adopt the shape of a conventional aileron and rotate in the... | 08/29/2000 |
| 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 vortex pairs is provided. The method includes actuating the ... | 07/04/2000 |
| 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 |
| 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 fluid near the boundary layer of the control tile, or a ma... | 05/09/2000 |
| 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 in front of the airfoil to divert the path of the fluid to ... | 04/04/2000 |
| 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, altering the generated initial vortex wake to make it vulnerab... | 03/28/2000 |
| 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 surfaces of the airfoils. The system comprises the steps of: ... | 12/14/1999 |
| 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.... | 03/23/1999 |
| 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 pressure between the upper surface and lower surfaces of said l... | 09/15/1998 |
| 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 be depressed below, the surface, provided they remain hydr... | 09/08/1998 |
| 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 the airfoils. The apparatus a) measures an actual different... | 04/07/1998 |
| 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 initial contour of the control surface. The first and second ... | 09/02/1997 |
| 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 boundary layer downstream of the indentations, changing the c... | 07/30/1996 |
| 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 surfaces of the airfoils. The system comprises the steps of: ... | 10/10/1995 |
| 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 transporting channels fluidly coupled with various ones of the perfor... | 11/22/1994 |
| 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 introducing into the medium a broad spectrum stochastic external dis... | 10/11/1994 |
| 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. Control actuators separately connect the fore and after wi... | 06/14/1994 |
| 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 degree opposed positions.... | 03/12/1991 |
| 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 telescopic wing which retracts into a housing in the roof of the fu... | 01/22/1991 |
| 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 gear rotatably coupled to a drive shaft and having gear teeth... | 12/25/1990 |
| 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 extending from the leading edge to the trailing edge. The upper ... | 01/02/1990 |
| 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 surface which merges smoothly with the top surface on the fixed... | 02/21/1984 |
| 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 |
| 4061996 | Status monitoring apparatus for BLC systems Apparatus for monitoring the operational status of the air delivery and momentum injection subsystems of a Boundary Layer Control (BLC) system of an aircraft, by sensing an air flow parameter in the supply duct supplying air to the BLC manifold is disclos... | 12/06/1977 |
| 4026503 | Fuel storage means An expandable fuel storage tank for aircraft has a resilient exterior wall panel in the form of a leaf spring anchored at both ends to a surface region of the aircraft, one anchorage being in the form of a simple hinge and the other incorporating a transl... | 05/31/1977 |
