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US20110278397 ALUMINUM-COPPER-LITHIUM ALLOY FOR A LOWER WING SKIN ELEMENT  
The present disclosure relates to an alloy containing aluminum including, as a % by weight, 2.1 to 2.4% of Cu, 1.3 to 1.6% of Li, 0.1 to 0.5% of Ag, 0.2 to 0.6% of Mg, 0.05 to 0.15% of Zr, 0.1 to...
US20110031349 Pinned lug joint  
A pinned lug joint comprising: a first part comprising two first lugs projecting from a bridge which extends between them; a second part pivotally coupled to the first part, the second part...
US20130001360 BRACKET  
An integrated bracket assembly for attachment to a convex outer corner surface of a torsion box of an aerofoil structure, the bracket assembly comprising a bracket strip having a plurality of...
US20140048652 HIGHLY INTEGRATED INNER STRUCTURE OF A TORSION BOX OF AN AIRCRAFT LIFTING SURFACE  
The invention provides a method for manufacturing a monolithic torsion box inner structure (40) of an aircraft lifting surface comprising the following steps: a) providing a set of laminated...
US20110042524 PASSIVE ADAPTIVE STRUCTURES  
Morphing an aerodynamic body's geometry in situ can optimize its aerodynamic properties, increasing range, reducing fuel consumption, and improving many performance parameters. The aerodynamic...
US20110049297 AEROFOIL WITH EROSION RESISTANT LEADING EDGE  
The present invention relates to an aerofoil having an erosion resistant leading edge. The aerofoil comprises an aerofoil main body portion and a leading edge portion. The leading edge portion...
US20130105629 Multi-Spar Port Box Joint  
A method for connecting a wing. A frame for a wing may be positioned relative to a fuselage of an aircraft. The frame may have bays and comprise a front spar, a rear spar, and a number of spars...
US20120043422 Multi-Spar Port Box Joint  
A method for connecting a wing. A frame for a wing may be positioned relative to a fuselage of an aircraft. The frame may have bays and comprise a front spar, a rear spar, and a number of spars...
US20090078825 METHOD FOR MANUFACTURING AND ATTACHMENT OF WING FAIRINGS  
A method and apparatus for manufacturing and installing a fairing on an aircraft. In one advantageous embodiment, a composite fairing is installed on the aircraft. A composite sheet having a form...
US20110260004 Parachute with One-Way Valve Device  
A multi-celled ram-air parachute possessing one or more internal one-way valved air passages between at least two parachute cells to maintain positive air pressure within the parachute for the...
US20110147523 PIPE COUPLING DEVICE FOR AIRCRAFT WING  
An aircraft wing comprising first and second fuel pipe segments which are coupled together with a pipe coupling device comprising a corrugated tube formed from an elastomer filled with conductive...
US20140209744 Box Structures for Carrying Loads and Methods of Making the Same  
There is provided a box structure for carrying load having upper and lower composite integrated sandwich panels. The panels have facesheets sandwiching one or more core portions and adjacent dense...
US20120037755 WING STRUCTURE  
A wing structure is provided, wherein the wing structure comprises; an upper covering, a lower covering, and a spar, the spar comprising; a spar web, an upper spar cap attached to the upper...
US20140054420 PASSIVE LOAD ALLEVIATION FOR A FIBER REINFORCED WING BOX OF AN AIRCRAFT WITH A STIFFENED SHELL STRUCTURE  
Awing box of an aircraft with a stiffened shell structure, consisting of fiber reinforced material includes a skin for absorbing shear loads, and several stringers arranged on the inner side of...
US20120138746 OBLIQUE PANEL AT THE REAR OF A CENTRAL BOX OF AN AIRCRAFT FUSELAGE  
An aircraft structure includes a wing spar (10), with orbital frames (24, 24′, 24″) arranged in transverse planes, right and left horizontal spars (26) connected to the wing spar (10) at the upper...
US20140117158 AIRCRAFT WING WITH WING TIP DEVICE  
An aircraft wing assembly comprising a wing (2) having a wing box structure including an upper wing cover (7) and a lower wing cover (8), and a wing tip device (1) attached to the outboard end of...
US20130277499 AIRCRAFT AIRFOIL, AND AN AIRCRAFT PROVIDED WITH SUCH AN AIRFOIL  
An airfoil (10) having a main structure (15) including at least one spar (16) and a front structure (20) forming a leading edge (21), said airfoil (10) having an empty space (25) between said main...
US20140138486 OPTIMIZED TORSION BOX FOR AN AIRCRAFT  
The invention provides an aircraft lifting surface with a torsion box (13) of a composite material comprising an upper skin (21), a lower skin (23), a front spar (18), a rear spar (20), one or...
US20130228645 WING FOR AN UNMANNED AIRCRAFT  
A single wing for an unmanned aircraft adapted for image acquisition, surveillance or other applications consists of a ribbed frame and a foam wherein the ribbed frame is integrated during molding...
US20120012712 AIRCRAFT ASSEMBLY AND SPAR  
An aircraft assembly comprising: a pair of covers; a spar web extending between the covers in a thickness direction, the spar web having a length which extends in a span-wise direction; and a...
US20110095133 COVER TRAILING EDGE PROFILE  
An aircraft wing assembly, comprising a front spar, a rear spar, and upper and lower wing covers extending between the front and rear spars, wherein the upper and/or lower wing cover overhangs the...
US20110168850 AEROFOILS  
A two element aerofoil, and wing element based thereon, is provided, including a primary aerofoil element including a leading edge of the aerofoil and a secondary aerofoil element including a...
US20140284424 COMPONENT HAVING A BOX STRUCTURE FOR AN AIRPLANE AIRFOIL  
The present invention relates to a panel, especially for a component having a box structure in an airplane airfoil, comprising a surface shaped body and grid-like reinforcement bars protruding...
US20140061385 Bonded Composite Aircraft Wing  
A unitized composite aircraft wing includes upper and lower composite laminate wing skins that have differing stiffnesses and are bonded to a composite grid structure. The grid structure includes...
US20140374536 AIRCRAFT WING  
A wing including a spar, a box shaped sleeve in the spar running substantially the entire length of the wing, a skin affixed to spar and to the corners of the sleeve and shaped to from a leading...
US20050230036 Lightweight airfoil and method of manufacturing same  
A lightweight airfoil having a skin over a frame, and manufacturing process therefore, in which the airfoil is formed by coring a sheet of support material, attaching skin material to the cored...
US20120223183 AEROSPACE ARTICLES MADE FROM QUASI-ISOTROPIC CHOPPED PREPREG  
Quasi-isotropic chopped prepreg is used to make parts found in aerospace vehicles. Exemplary aerospace parts that are made using quasi-isotropic chopped prepreg include aircraft window frames,...
US20110011975 Aerospace articles made from quasi-isotropic chopped prepreg  
Quasi-isotropic chopped prepreg is used to make parts found in aerospace vehicles. Exemplary aerospace parts that are made using quasi-isotropic chopped prepreg include aircraft window frames,...
US20150041590 AIRFOIL WITH A TRAILING EDGE SUPPLEMENT STRUCTURE  
An airfoil includes a main portion formed of a base material and having an inner core comprising a hollow region. Also included is a trailing edge region of the main portion. Further included is a...
US20080245928 METHODS AND SYSTEMS FOR COMPOSITE STRUCTURAL TRUSS  
Methods and structures for a composite truss structure are provided. The structure includes a web formed of a plurality of sheets of composite material, each sheet including a first face and an...
US20110215201 STRUT SYSTEM FOR THE STABILIZATION OF THE SHELL OF AN AERODYNAMIC AIRCRAFT COMPONENT FOR A COMMERCIAL AIRCRAFT  
The invention relates to a strut system for the stabilisation of the shell (2) of an aerodynamic aircraft component in a commercial aircraft, comprising a pair of connection supports (4a, 4b)...
US20060118675 Transformable fluid foil with pivoting spars and ribs  
An adjustable fluid foil. The fluid foil includes one or more adjustable spars that are connected to one or more adjustable ribs. A deformable surface substantially houses the one or more...
US20130320142 Bonded Composite Airfoil and Fabrication Method  
An airfoil includes at least one precured composite spar having a web and at least one flange integrated with an end of the web. A precured composite skin is attached to the spar by adhesive...
US20140299713 VENT MEMBER, WING PANEL, AND MAIN WING FOR AIRCRAFT  
An opening portion of a vent member is prevented from being blocked, and thus ventilation is reliably performed. A plurality of opening portions (40A, 40B) are formed in a single vent stringer...
US20140145031 Vertically Integrated Stringers  
Apparatus and methods provide for the reinforcement of various components of an aircraft utilizing vertically-oriented circumferential stringers. According to embodiments described herein, barrel...
US20090084899 COMPOSITE WING-BODY JOINT  
Embodiments of integral composite panels and joints for composite structures are described In one implementation, an integrated panel spanning substantially the entire wingspan of an aircraft,...
US20090121074 WING LOAD ALLEVIATION STRUCTURE  
A wing load alleviation structure for use on an aircraft, comprising a front spar, wherein the front spar includes a plurality of alternating rigid spar structures and inflatable spar structures;...
US20080067292 VORTEX GENERATOR AT HOT GAS OUTPUT  
In order to reduce the surface of a support mast (2) of an aircraft engine in contact with the hot exhaust gases (18) of said engine, a vortex-generating device (24) is positioned on the surface...
US20090277996 Wing and empennage leading edge structure made of thermoplastic material with a stiffened double shell configuration  
A leading edge structure is described for wing structures and empennage, comprising an outer shell suitable to define a front portion of a airfoil. The outer shell is formed by a bent plate of...
US20130082142 TAIL CAPABLE OF IMPROVING ANTI-BIRD STRIKE PERFORMANCE OF AIRCRAFT  
The present invention relates to a tail for improving anti-bird strike performance of an aircraft. A leading edge reinforcement having a shape of an isosceles triangle is located inside a tail...
US20110174927 AIRCRAFT COMPONENT WITH PANELS STIFFENED WITH STRINGERS  
Aircraft component with panels (11) stiffened with stringers (15) configured with a central section (17) and some feet (19) in which there are zones of potential intersections or interferences of...
US20080283675 RIB STRUCTURE FOR TORSION BOXES OF A WING OR HORIZONTAL STABILISER OF AN AIRCRAFT  
Rib structure for a torsion box of an aircraft wing or a horizontal stabiliser. The structure comprises a center element which extends between the front spar and the rear spar of the torsion box,...
US20090224102 Aircraft Wing and Fuselage Structure  
A structure protected from premature buckling for resisting multiple bending forces resulting from design loads in which the resulting structural configuration is determined by the force...
US20090121082 Method of locally reinforcing a composite element and reinforced aircraft wing structure central box section  
A method of locally reinforcing an element made of composite material having a longest dimension, such as a composite beam, which is intended to bear multidirectional forces. To do that, at least...
US20080305000 ALUMINUM-MAGNESIUM-SILVER BASED ALLOYS  
Al—Mg—Ag wrought products and methods of making such products useful in aircraft applications. The Al—Mg—Ag wrought products have improved strength when compared to traditional AA5XXX alloys. The...
US20130320141 SEAL ASSEMBLY FOR AN AIRCRAFT WING  
A wing assembly for an aircraft comprising a spar, a wing cover and a rib; wherein the spar has a web portion and a flange portion joined by a radius corner; wherein a gap is formed at an...
US20130299636 KEEL BEAM OF AN AIRCRAFT  
A keel beam connected to a central wing box of an aircraft and ensuring the connection between a front structure and a rear structure of an aircraft is characterized in that it includes, on the...
US20110049298 LEADING EDGE ELEMENT OF AIRCRAFT, METHOD FOR MANUFACTURING ONE, WING AND STABILIZER  
A leading edge element, a method for manufacturing one, and an aircraft wing and stabilizer furnished with the leading edge element. The leading edge element is an elongate piece that comprises a...
US20090314892 AIRPLANE WING STRUCTURE  
A rib of an airplane wing is prevented from deforming due to a machining load when machining a rivet hole in parts where the rib and a skin are joined. With regard to a rib that provides a...
US20080029645 Tooling for insulating aircraft stringers and method  
To an aircraft stringer, a strap is inserted lengthwise through a stringer of an aircraft fuselage, a first end of the strap is secured to a first end of a length of insulation, and the first end...
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