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8167248 |
Aircraft comprising a device for reducing the induced drag
An aircraft including a longitudinal fuselage, at least two lateral wings connected symmetrically one on each side of the fuselage and at least one engine pod fixed to each lateral wing via an...
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8146868 |
Pylon for suspending a turboengine
Disclosed is a mast for the suspension of a bypass turbine engine beneath a wing of an aircraft in which the wing has at least one flap. The mast includes a rear fairing that protrudes rearward of...
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8113469 |
Passive micro-roughness array for drag modification
The present invention is directed to a micro-array surface that provides for either drag reduction or enhancement. In one aspect, an aerodynamic or hydrodynamic wall surface that is configured to...
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8087618 |
Propulsion system and method for efficient lift generation
A propulsion system for an aircraft includes an airfoil, an engine having an engine cowling carried by the airfoil and configured to produce exhaust gases that are predominantly directed toward an...
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8087617 |
Retractable nacelle chine
A retractable chine assembly includes at least one chine which is hingebly mountable to a surface such as of an aircraft having a wing. The chine is preferably configured to be movable between...
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8083179 |
Composite material for geometric morphing wing
An airfoil member and an airfoil member altering system are provided for significantly modifying the shape and size of the airfoil member while simultaneously providing an airfoil member with...
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8083183 |
Air discharge device for an aircraft
An air discharge device includes a grid that is connected to an aerodynamic surface of an aircraft. The grid includes a number of openings delimited by intermediate zones that are arranged in the...
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8006941 |
System for reducing aerodynamic noise at a supplementary wing of an aircraft
A system for reducing aerodynamic noise of a supplementary wing of an aircraft is provided. The supplementary wing is hinged to a main wing and is extendable when a gap region between the main wing...
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7980515 |
Aircraft wing modification and related methods
A transferable modified leading edge for a wing is detachably mountable to a parent wing. The parent wing may use a NACA 23000-series airfoil. A modified wing tip may be used in conjunction with...
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7900871 |
Wing leading edge having vortex generators
An arrangement of devices as well as a method for improving the aerodynamics of an aircraft wing are disclosed. In embodiments, a plurality of vortex generators are attached in span-wise alignment...
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7866608 |
Device for controlling a vortex trail generated by the oblong element of an aircraft bearing surface
A device for controlling a vortex trail generated by an oblong element of an aircraft bearing surface includes a control component arranged on a fixing element of the oblong element and on a...
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7861966 |
Supersonic aircraft footprint spreading control system and method
A method and system to optimize the process a spreading the weight of supersonic aircraft downstream over a large area to reduce the pressure and intensity on the ground as function of air flow...
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7837141 |
Reaction drive rotor/wing variable area nozzle
In an exemplary variable area nozzle, a fixed duct section has an inlet and an outlet oriented approximately perpendicular to the inlet. A controllable nozzle member is disposed adjacent the outlet...
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7823840 |
Systems and methods for control of engine exhaust flow
Coanda Effect and lift produced along a surface of an airfoil are increased by ducting compressed fluid from the engine to the surface of the airfoil. An engine produces exhaust gases that are...
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7823838 |
Aircraft with improved lift
An aircraft has a wing 10 supporting at its underside a gas turbine engine 13. A jet pipe 14 of the engine has an exhaust nozzle 15 of rectangular flow area defined by upper and lower panels 16,17...
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7798443 |
Composite material for geometric morphing wing
An airfoil member and an airfoil member altering system are provided for significantly modifying the shape and size of the airfoil member while simultaneously providing an airfoil member with...
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7793884 |
Deltoid main wing aerodynamic configurations
“T-tailed Deltoid Main Wing” idea allows for design of high-subsonic passenger aircraft with a capacity between 200 and 650 passengers with outer dimensions fitting within 80 m box on class VI air...
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7780120 |
Flight control method and apparatus to produce induced yaw
A method of controlling an aircraft in a turn without the use of a rudder by producing induced yaw. Induced yaw being produced by creating a net induced drag differential between an inboard wing to...
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7766281 |
System for reducing aerodynamic noise at a supplementary wing of an aircraft
A system for reducing aerodynamic noise of a supplementary wing of an aircraft is provided. The supplementary wing is hinged to a main wing and is extendable when a gap region between the main wing...
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7740205 |
Auxiliary wing and flap assembly for an aircraft
An auxiliary wing and flap assembly for an aircraft which is to be extendable from a retracted position to a deployed position. Relative to the chord of the wing, the split flap is located directly...
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7728265 |
MEMS type flow actuated out-of-plane flap
A MEMS type flow actuated out-of-plane flap apparatus includes a substrate defining a plane; a duct attached to the substrate, the duct and the substrate defining a fluid flow channel; and a...
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7686256 |
Conformal aero-adaptive nozzle/aftbody
The present invention provides flow field control techniques that adapt the aft body region flow field to eliminate or mitigate the development of massive separated flow field zones and associated...
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7686257 |
Dual bimorph synthetic pulsator
The present invention provides a system and method for actively manipulating fluid flow over a surface using synthetic pulsators. Synthetic pulsators produce pulsed jet operable to manipulate the...
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7558653 |
Autopilot system for a helicopter
The present invention relates to an autopilot system for a rotary wing aircraft operating relative to at least two pilot axes, which system comprises, for each of the two axes, at least one...
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7503527 |
Flight control method and apparatus to produce induced yaw
A method of controlling an aircraft in a turn without the use of a rudder by producing induced yaw. Induced yaw being produced by creating a net induced drag differential between an inboard wing to...
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7484589 |
Apparatus and method for reducing aircraft noise and acoustic fatigue
An apparatus and method is provided for attenuating aerospace engine noise and unsteady pressure fluctuations associated with high velocity exhaust flows. The apparatus and method reduce acoustic...
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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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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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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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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...
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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...
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7290738 |
Dual jet emerging lift augmentation system for airfoils and hydrofoils
Separate upper and lower plenums within an aircraft airfoil or a sea hydrofoil conduct fluid under different pressures to nozzle slots from which jets emerge to augment lift in accordance with...
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7226015 |
Aircraft and missile forebody flow control device and method of controlling flow
The present invention relates to a forebody flow control system and more particularly to aircraft or missile flow control system for enhanced maneuverability and stabilization at high angles of...
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7108230 |
Aircraft with topside only spoilers
An aircraft with swept back wings and spoilers inlaid into the top surface near the tips of the wings. The aircraft also includes an elevator formed in the center back portion of the aircraft,...
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6834830 |
Main wing structure
A main wing structure comprises at least a leading edge structure and a wing central structure coupled to each other, and has a particular laminar-flow airfoil. The laminar-flow airfoil includes an...
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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...
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6669142 |
Lifting arrangement for lateral aircraft surfaces
Lifting arrangement for lateral aircraft surfaces that consists of numerous lateral flutings, grooves, splines, flutes or riblets parallel to each other, arranged on the lateral surfaces of...
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6651935 |
Method and apparatus for control of shock/boundary-layer interactions
Apparatus for controlling shock/boundary-layer interactions created by a supersonic shock on a surface of a structure, includes a cavity formed in the structure and having an opening on the...
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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...
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6592072 |
Spanwise tailoring of divergent trailing edge wings
A method for forming a transonic wing that segregates a baseline transonic wing into a plurality of airfoil segments that are collectively modified an optimized so as to tailor a spanwise variation...
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6578798 |
Airlifting surface division
This airlifting surface division idea provides for division of airlifting surfaces resulting in low induced and interference drag. It can be applied to aircraft wings and helicopter and windmill...
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6478251 |
Flier structure
A flier structure including a fuselage extending from front side to rear side and a weight body connected with front end of the fuselage. A port wing and a starboard wing respectively leftward and...
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6474604 |
Mobius-like joining structure for fluid dynamic foils
This invention, though preferably applied to aircraft structure, has application to foil-bearing devices in general, creating structure somewhat similar to the structure of a mobius band surface...
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6467732 |
Rotary blade of helicopter
A base wing 11, as attached at its root end portion to the rotor head of a rotational drive unit, is provided with a front wing 12 and a rear wing 13 having substantially equal spans. The vortex,...
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6457671 |
Funneled rotary foil
A funnel strip is added to a rotary airfoil, which utilizes the Bernoulli principle to increase the velocity of air over the suction side of the rotating airfoil to increase the lift. The device is...
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6431499 |
Wing comprising a distal wing grid
In a wing with a main wing part (1) and a drag-reducing wing grid arranged at a distal end of the main wing part, a grid includes at least two winglets (2) staggered in parallel and with an overlap...
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6431498 |
Scalloped wing leading edge
An apparatus to modify a wing to provide increased lift over drag ratios compared to similar wings with straight leading edges. For wings extending in a lateral direction, and defining a...
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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...
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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...
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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...
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