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7607607 |
De-rotation system suitable for use with a shaft fairing system
A de-rotation system includes a first ring gear defined about an axis of rotation, a second ring gear defined about the axis of rotation and a gear set in meshing engagement with the first ring...
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7604201 |
Nacelle drag reduction device for a turbofan gas turbine engine
The nacelle drag reduction device comprises a substantially circular and axis symmetrical external airfoil concentric with a aft section of the nacelle and located outside a propulsive jet zone...
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7562845 |
Rudder unit connection to a fuselage without a bolt-fairing structure
The connection of a rudder unit on the fuselage of an aircraft frequently leads to an inhomogeneous flow of forces in the connecting region between the rudder unit and the fuselage or even to an...
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7510144 |
Elastic pre-deformed fairings for aircrafts
A fairing for streamlining the junction between the horizontal stabilizer and the fuselage or the fin of an aircraft, comprising an upper fairing shell, a lower fairing shell, a leading edge...
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7478781 |
Joint cover in aircraft
A joint cover in an aircraft has a clamp section and a cover section for covering a joint. The clamp section is used to mount the cover section over the joint. The joint cover conceals the joint...
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7475853 |
Method and system for regulating external fluid flow over an object's surface, and particularly a wing and diffuser
The present invention features a fluid flow regulator that functions to significantly influence fluid flow across the surface of an object, as well as to significantly effect the performance of the...
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7413262 |
Hub for wheel of human powered vehicle
A hub for a human powered vehicle includes a rotation axis, a hub body formed generally symmetrically about the rotation axis, the hub body having a radially-outward-facing surface that includes a...
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7410133 |
Miniature trailing edge effector for aerodynamic control
Improved miniature trailing edge effectors for aerodynamic control are provided. Three types of devices having aerodynamic housings integrated to the trailing edge of an aerodynamic shape are...
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7407135 |
Aircraft provided with a belly fairing, and corresponding belly fairing
In an aircraft comprising a fuselage and a belly fairing, the fairing is made of two independent parts. For example, a first part of the fairing comprises a front section, a central section and a...
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7392963 |
Supersonic flight vehicle
A supersonic guided weapon has radiation sensitive apparatus carried behind a radiation transparent window the window being formed within an open recess in the weapon nose, the recess being such...
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7380756 |
Single dielectric barrier aerodynamic plasma actuation
A single dielectric barrier aerodynamic plasma actuator apparatus based on the dielectric barrier discharge phenomenon is disclosed and suggested for application to aerodynamic uses for drag...
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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...
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7334760 |
Flow control device and method of controlling flow
The present invention relates to a flow control device and more particularly to reactive self-contained modular flow control device with deployable flow effectors. The present invention further...
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7331752 |
Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy
A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the...
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7311287 |
Methods for incorporating area ruled surfaces in a supersonic aircraft
A vertical stabilizer is configured to minimize the rate of change of cross-sectional area distribution of the vehicle or device to which the vertical stabilizer is mounted. One or more...
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7309046 |
Method for determination of fuselage shape of supersonic aircraft, and fuselage front section shape
Objectives to be achieved by this invention are the provision of a method for determining the ultimate fuselage shape of supersonic aircraft by integral modification of the upper and lower surface...
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7278825 |
Method and system for regulating fluid over an airfoil or a hydrofoil
The present invention features a fluid flow regulator that functions to influence fluid flow across an airfoil or hydrofoil, as well as various rotating or rotary devices, including propellers,...
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7278609 |
Movable nose cap and control strut assembly for supersonic aircraft
A nose cap and control strut assembly for supersonic aircraft is disclosed. In one embodiment, the nose cap extends forward from the nose of the aircraft to deflect shock waves and decrease draft...
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7270520 |
Fairing for the rotor of a rotorscraft
A fairing C is arranged on a rotor 9 of a rotorcraft having a cap 5 secured to the end 10 of the head of the rotor 9 . The fairing C further comprises at least one air deflector member D...
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7252263 |
Design methods and configurations for supersonic aircraft
Methods for configuring aircraft that may be implemented to integrate aircraft sonic boom constraint requirements with the design process for a supersonic aircraft, for example, to reconcile a...
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7216922 |
Fairing panel retainer apparatus
A fairing panel retainer can include a retainer strip that is configured to conform to the contour of a vehicle body. The retainer strip includes alternating body attachment segments and raised...
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7150435 |
Type aircraft
The present invention relates to a new type aircraft. The aircraft includes the airframe and wing, characterized in that the transverse section of airframe has an oblate (oval) profile with...
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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...
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7121511 |
Shock wave modification method and system
A shock wave in a gas is modified by emitting energy to form an extended path in the gas; heating gas along the path to form a volume of heated gas expanding outwardly from the path; and directing...
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7118072 |
Method for reducing resistance of flying object using expandable nose cone
It is an object of the present invention to provide a flying object using a thin elongated nose cone with a small tip angle for reducing the air resistance during flying, wherein the maximum...
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7118071 |
Methods and systems for controlling lower surface shocks
Methods and systems for controlling shocks on airfoil lower surfaces are disclosed. An airfoil in accordance with one embodiment of the invention includes an upper surface portion having an upper...
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7114785 |
Aerodynamic surfaced bicycle wheel
A bicycle wheel includes a tire engaging portion located at the outward perimeter of the wheel, an inner portion located radially inward from the tire engaging portion A pair of air engaging side...
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7108225 |
More aerodynamic wheel fairings for small airplanes
The invention described here provides better aerodynamics in airplane wheel fairings. A great improvement is achieved by putting doors on the fairing that completely enclose the wheel. This...
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7100867 |
Lifting foil
A lifting foil for an aircraft, a hydrofoil or the like having a pair of courses or wings. Vortex losses due to spanwise fluid flow are substantially reduced by joining the tips of the courses with...
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7070850 |
Drag reduction article and method of use
An article for reducing the drag caused by a fluid flowing over a surface comprises a backing layer having an outer, exposed patterned surface that reduces drag, and an adhesive bonding layer for...
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7070146 |
Aircraft thickness/camber control device for low sonic boom
An aircraft thickness/camber control device mounts to the lower surface of a airfoil configuration, for example on a fuselage, and extends along a longitudinal axis. The device, when deployed,...
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7063289 |
Helicopter tail section
A vertical stabilizer ( 38 ) is supported by and projects upwardly and rearwardly from the tail portion ( 14 ) of a helicopter fuselage ( 12 ). A tail rotor (TSR) is mounted on the vertical...
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7048505 |
Method and system for regulating fluid flow over an airfoil or a hydrofoil
The present invention features a fluid flow regulator that functions to significantly influence fluid flow across an airfoil or hydrofoil, as well as various rotating or rotary devices, including...
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7048230 |
Laminar flow nacelle for an aircraft engine
A laminar flow nacelle for an aircraft engine ( 10 ) has an outer member ( 26 ) defining an aerodynamic shape. The nacelle ( 24 ) has an inner member ( 28 ) defining a chamber ( 30 ) with the outer...
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7041363 |
Solid body with microstructured surface
The invention relates to a solid body of plastic, glass, ceramic or metal which has at least partially a microstructured surface with rows oriented in a preferential direction of cross-sectionally...
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7000870 |
Laminar flow wing for transonic cruise
In combination, an aircraft wing and fuselage, comprising the wing having camber at or near the wing leading edge which has blunted sharpness and low sweep angle, and the fuselage having...
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6986484 |
VTOL aircraft external load drag reduction system
A drag reduction system extends from an underside of a VTOL aircraft forward of a four-point sling system. The four-point sling system carries an external load close to an underside of the airframe...
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6978971 |
Methods and apparatuses for controlling airflow proximate to engine/airfoil systems
Methods and apparatuses for controlling airflow proximate to engine/airfoil systems are disclosed. In one embodiment, an aircraft system includes an airfoil and an engine unit at least proximate to...
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6969029 |
Methods and systems for removing material from aircraft flight surfaces
Methods and systems for removing material from aircraft flight surfaces are disclosed herein. In one embodiment, an aircraft nacelle includes an inlet housing having a lip, a wiper positioned at...
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6964397 |
Nacelle chine installation for drag reduction
An apparatus and a method for reducing drag over an aircraft wing assembly in operational angle of attack situations are disclosed. The aircraft wing assembly includes a wing and an engine nacelle...
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6957792 |
Lifting arrangement for aircraft fuselages
A lifting arrangement for aircraft fuselages that consists of placing longitudinal vertical or slanted fins or plates on the lower and lateral lower part of the whole fuselage, said fins forming a...
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6908063 |
Vortex shedding and drag force reduction
Smoothly curved protuberances ( 8, 26, 34 ) are added to an elongate body ( 2, 16, 18, 20, 22, 32 ) to modify the fluid flow to reduce the drag Force F drag and the forces induced by vortex...
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6899302 |
Method and device for altering the separation characteristics of flow over an aerodynamic surface via hybrid intermittent blowing and suction
An active flow control device and method for improving the aerodynamic efficiency of airfoils. The device and method pertain to the application of hybrid intermittent suction or intake of...
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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...
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6869045 |
Helicopter tail section and retrofit method
A vertical stabilizer ( 38 ) is supported by and projects upwardly and rearwardly from the tail portion ( 14 ) of a helicopter fuselage ( 12 ). A tail rotor (TSR) is mounted on the vertical...
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6863245 |
Aerodynamic profile with an adjustable flap
An aerodynamic profile has an adjustable flap, which has a forward profile area as well as a rearward profile area situated in the downward current, bounded by a pressure-side covering skin as well...
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6857604 |
Shock wave absorber
A 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...
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6857598 |
Integrated high-speed aircraft and associated methods of manufacture
Integrated high-speed aircraft, such as high-speed transport aircraft, and associated methods of manufacture. In one embodiment, a high-speed transport aircraft includes a fuselage having a first...
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6854687 |
Nacelle integration with reflexed wing for sonic boom reduction
A method for integrating an engine nacelle below the wing of a supersonic aircraft with low sonic boom capabilities includes determining the shape of a reflexed portion of the airfoil on the...
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6824109 |
Lift adjusting device for aircraft
The invention utilizes a computer-controlled moving band, typically on an airplane, to increase the apparent speed and therefore the lift of any body moving through a fluid. The invention will...
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