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| Number | Title | Issue Date |
| 8172179 | Aircraft wing box and manufacture thereof An aircraft wing box comprises a pair of half ribs (18, 20) joined to form a rib extending from an upper wing skin (12) to a lower wing skin (10). Each half rib (18) comprises a base (19) and a plurality of projections (4) t... | 05/08/2012 |
| 7871041 | System, method, and apparatus for leading edge structures and direct manufacturing thereof Leading edge structures for high performance aircraft and the direct manufacture thereof are disclosed. Direct manufacturing technology is used to deposit leading edge structures directly from a digital model to form near-net shape products. This technique permits a... | 01/18/2011 |
| 7806367 | Integrated multispar torsion box of composite material The invention relates to an integrated multispar torsion box structure of composite material for aircraft, comprising a lower skin (12), an upper skin (11), several spars (9), each of which comprises in turn a chord (13) and a web (14 | 10/05/2010 |
| 7500640 | Hollow assembly structure and fabrication method therefor A movable trailing edge is composed of a main body including a structural frame member in which a spar and a rib intersect with each other, and a first outer plate that covers the main body. The first outer plate is placed on and cover the structural frame member, a... | 03/10/2009 |
| 7316372 | Fuselage spar for aircraft and central sparbox provided with such a spar A fuselage spar for aircraft is vertically mounted between an upper surface panel and a lower surface panel of the fuselage at the junction between a first wing structure spar and a second wing structure spar symmetrical with the first wing structure spar relative t... | 01/08/2008 |
| 7316539 | Vane assembly with metal trailing edge segment Embodiments of the invention relate to a vane assembly formed by a forward airfoil segment and an aft airfoil segment. The aft segment is made of metal and can define the trailing edge of the vane assembly. The forward segment can be made of ceramic, CMC or metal. T... | 01/08/2008 |
| 7197856 | Modular truss assembly Truss assemblies of this invention comprise elongate chord elements having opposed first and second axial ends. Brace elements are used to orient and connect together the chord elements in a desired spatial orientation and have a plate structure. The brace elements ... | 04/03/2007 |
| 7195203 | Wing skin and method of manufacture thereof A simplified structure for a wing skin and wing box wherein the internal surface (2) of an aircraft wing skin panel (1) in the wing box includes a multiplicity of strips (3), each strip being associated with a stringer. The strips (3) hav... | 03/27/2007 |
| 7182293 | Airfoil box and associated method An airfoil box and associated method are provided. The airfoil box includes two or more half-shell structures. Each half-shell structure is an integral or unitary member that includes at least a portion of the outer skin of the airfoil as well as stiffener members a... | 02/27/2007 |
| 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 span direction. A wing structure of an airplane is also d... | 05/29/2001 |
| 4776534 | Controlled torsional resistance warpable beam A warpable beam allowing a controlled degree of torsional resistance. The beam is formed with an open cross-section channel-shaped structural element (24) that includes a plurality of planar structural elements (28) or (32) that are positioned within the ... | 10/11/1988 |
| 4749155 | Method of making wing box cover panel A plurality of channel-shaped members (12) are positioned longitudinally along the inner surface of an outer skin (6). Each member (12) has a web (14) and two flanges (16). Members (12) are positioned laterally contiguously to each other so that, when out... | 06/07/1988 |
| 4641796 | Airfoil An airfoil member having an upper surface contoured to create lift. The lower airfoil surface has a lower forward surface portion which, in a rearward direction, curves concavely into an expanded convexly curved lower surface belly portion. This enables a... | 02/10/1987 |
| 4365773 | Joined wing aircraft An aircraft having a fuselage and a pair of first airfoils in the form of wings extending outwardly from the vertical tail and a pair of second airfoils in the form of wings extending outwardly from the forward portion of the fuselage at a lower elevation... | 12/28/1982 |
| 4162777 | Canted spar with intermediate intercostal stiffeners An aircraft wing box construction including canted sheet metal spar webs continuously tied to the upper and lower skins. Sheet metal intercostal stiffeners of substantially triangular configuration are spaced spanwise along the web to provide shear stiffe... | 07/31/1979 |
