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8181913 |
Slat support funk plate
An aircraft wing high lift assembly comprising a movable element and a load receiving element including a body portion having a first load receiving region arranged to receive loads from the...
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8172540 |
Airfoil for a helicopter rotor blade
An airfoil family for a helicopter rotor blade, designated SC362XX. SC362XX essentially removes the large lower surface suction peak associated with ‘drag creep’ at moderate lift coefficients whi...
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8157204 |
Double fuselage aircraft
Symmetric external parts of a front lower aircraft wing sweep forward such that lift generated by a rear upper wing is greater than lift generated by the front lower wing. The rear upper wing is in...
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8113459 |
High-security aircraft
An aircraft comprising an elongated framework provided with propelling means and direction-control planes. The framework is coupled to a pneumatic chamber suited to be filled with lighter-than-air...
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8113462 |
Low-drag swept wings
The invention relates to an aircraft, and a method for operating an aircraft, the aircraft having a longitudinally unstable configuration and swept wings, the swept wings being based on aerofoils...
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8115149 |
Gun launched hybrid projectile
A Hybrid Projectile is provided for delivering an explosive payload to a target wherein the Hybrid Projectile may be steered in flight using relatively inexpensive means. The Hybrid Projectile is...
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8109734 |
Article formed from a composite material
An article such as a fan blade of a turbofan engine comprises a core made up of components at least some of which comprise packs of rods embedded in a resin matrix material. The rods extend in the...
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8083175 |
Loading fitting having intersecting holes in the web side and end
In one embodiment, a loading fitting includes at least one of an I, a T, and a J shaped cross-section having a flange attached to at least one supporting structure. In another embodiment, a method...
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7992827 |
Wings for aircraft
A wing for an aircraft is provided, including at least a first wing portion configured for providing high-lift mild stall characteristics at least at Reynolds numbers in the range between about...
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7971824 |
Flying object
A flying object wing has a leading edge and a trailing edge and an upper and a lower surface between the edges. A portion between the leading edge and trailing edge provides an upper surface which...
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7946535 |
Highly efficient supersonic laminar flow wing
An improved supersonic laminar flow wing structure, on a supersonic aircraft, having one or more of the following: a strake extending forwardly of the wing inboard extent, a raked wing tip, a...
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7854593 |
Airfoil for a helicopter rotor blade
An airfoil family for a helicopter rotor blade, designated SC362XX. SC362XX essentially removes the large lower surface suction peak associated with ‘drag creep’ at moderate lift coefficients whi...
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7789340 |
Propulsion system for model airplane
An improved structure and method for powering the flight of a model airplane by positioning the motors and propellers on the back side of the top wings of an airplane using a single or double-deck...
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7644892 |
Blended winglet
A capped winglet comprising a helical portion having a smooth vertical curvature of 180°±approximately 20° from the plane of the unbounded end of a wing, and a generally planar cap contiguous wi...
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7475848 |
Wing employing leading edge flaps and winglets to achieve improved aerodynamic performance
A wing for use on a supersonic aircraft that includes an inboard section a central section of the wing outboard of the inboard portion, and an outboard section. The outboard section can be a...
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7467762 |
Advanced unmanned aerial vehicle system
An Unmanned Aerial Vehicle (UAV) system that couples the speed and responsiveness of a shoulder-launched rocket with the stable, slow-moving aerial platform of a parafoil is disclosed. The unique...
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7422051 |
System and method for using a flexible composite surface for pressure-drop free heat transfer enhancement and flow drag reduction
A flexible composite sheet (FCS) comprising a membrane, a substrate coupled to the membrane, and a plurality of ridges coupled between the membrane and the substrate, wherein a vibratory motion is...
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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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7185851 |
Inflatable aerodynamic wing and method
An inflatable structure constructed of flexible material that can occupy a minimal volume when in a deflated and stored condition as compared to its fully inflated and deployed configuration, has...
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7093792 |
Laminar-flow airfoil
An upper wing surface of a laminar-flow airfoil for decreasing an undesirable head-lowering pitching moment around an aerodynamic center of the airfoil. The upper wing surface includes: a convex...
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7065957 |
Segmented mixing device for jet engines and aircraft
Disclosed is a means for reducing jet engine exhaust noise wherein mixing is enhanced between adjacent exhaust flows and between exhaust flow and free-stream flow. Also disclosed is a means for...
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7048228 |
Slotted aircraft wing
An aircraft wing includes a leading airfoil element and a trailing airfoil element. At least one slot is defined by the wing during at least one transonic condition of the wing. The slot may either...
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7032864 |
Wing with inflatable struts
An aerodynamic wing formed by a flexible canopy with integrated inflatable, elastically deformable members integrated into the lifting surface. Preferably, the elastically deformable member extends...
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7007889 |
Flexible airfoils and method
An airfoil for use in kites, movable wing aircraft and fixed wing aircraft has a straight spar inserted into a sleeve in the arcuate leading edge of a flexible wing panel. The resultant forces on...
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7004428 |
Lift and twist control using trailing edge control surfaces on supersonic laminar flow wings
An aircraft includes a fuselage, thin supersonic wings on the fuselage, there being trailing edge flaps carried by the wings, the flaps configured to provide flap deflection to simultaneously...
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6905092 |
Laminar-flow airfoil
An airfoil having a fore airfoil element, an aft airfoil element, and a slot region in between them. These elements induce laminar flow over substantially all of the fore airfoil element and also...
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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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6802474 |
Advanced high turning compressor airfoils
In a high turning airfoil capable of being suitably applied to each of blades constituting a blade row of an axial flow-type compressor, both of an intrados generating a positive pressure and an...
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6688553 |
Inflatable airfoils, and elevated and propulsion driven vehicles
An aeronautical apparatus, the combination comprising a primary airfoil having at least one panel which is an upper panel, a lower panel, and multiple gas containing tubes associated with the...
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6651927 |
Airfoil trailing edge
An aerofoil wing comprising upper and lower surfaces meeting at the leading and trailing edges and a camber line representing the curvature of the aerofoil comprising at least two regions of...
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6626397 |
Autonomous flying wing
An unmanned flying vehicle comprises an autonomous flying wing having at least two wing portions arranged substantially symmetrically about a center portion. Each wing portion is pivotally attached...
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6607164 |
Wing airfoil
An airfoil having particular use in a general aviation aircraft operating at generally low speeds. The airfoil has a shape designed to produce high lift coefficients at low speeds, with low drag...
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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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6587762 |
Automatic guidance unit for aerial delivery unit
Methods and systems for programming the automatic guidance unit of an aerial delivery system. The operator selects on a hand-held unit the desired flight parameters such as the latitude, longitude...
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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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6485590 |
Method of forming a multilayer ceramic coating
A method of forming a multilayer ceramic coating system on a substrate that requires thermal protection from a hostile thermal environment. The method generally entails forming at least one tape...
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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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6419187 |
Profile
In a thin-walled profile with profile variation using anisotropisms due to the material or the structure, the anisotropisms due to the material or the structure are arranged locally in the profile...
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6419189 |
Hot ruddervator apparatus and method for an aerospacecraft
A ruddervator for an aerospacecraft. The ruddervator is formed by a plurality of airfoil sections nestably disposed in side by side fashion and supported by a pair of titanium box beam frame...
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6386481 |
Arrangement for fastening stringers to aircraft wing ribs
An arrangement for fastening stringers of an aircraft wing to a transverse wing rib in the wing. An elongated fastening element is arranged to the side of the wing rib comprising a plate-like...
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6382561 |
Trailing edge wedge for an aircraft wing
A trailing edge wedge for an aircraft wing is attached to a bottom downwardly facing wing surface along the trailing edge of the wing so that an inner edge wedge surface is fully covered by the...
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6378802 |
Enhance aerodynamic profile
The enhanced aerodynamic profile of the invention consists of a profile consisting of three sections: a front or leading edge of two sides or plates forming an acute dihedral angle with the vertex...
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6367740 |
Air foil having a hybrid leading edge construction
A leading edge component for reducing drag and improving heat sink properties of an air foil. The leading edge component includes a composite tile component with a predetermined aerodynamic shape...
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6361279 |
Blade profile for aircraft rotor and rotor comprising same
The invention concerns a blade profile for aircraft rotor, comprising, between a leading edge (1A) and a trailing edge (1B), a suction face (2) and a blade face (3) whereof the geometric locus of...
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6341247 |
Adaptive method to control and optimize aircraft performance
A measurement-based method to control and optimize the performance of an airborne vehicle. The stability and control of the vehicle is modified to induce a response in the airborne vehicle as...
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6267331 |
Airfoil with dynamic stall control by oscillatory forcing
A method for inhibiting dynamic stall of an airfoil by causing a fluid to flow out of at least one location on the airfoil. This location may be anywhere on the airfoil; but if the location is...
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6260798 |
High-G compact folding wing
A compact, aerodynamic wing assembly constructed and arranged so as to withstand a force due to acceleration in at least one direction includes at least two wing segments, each of the wing segments...
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6237873 |
Composite material wing structure
A composite material wing structure is disclosed, comprising a plurality of composite material multi-spar structures, each including a plurality of spar extending in a span direction, placed in the...
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6199796 |
Adaptive pneumatic wing for fixed wing aircraft
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6179248 |
Aircraft
An aircraft is composed of two elongated inflated, flexible tubes diverging from each other from a nose of the aircraft toward a trailing edge. First and second membranes span the upper and lower...
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