Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 8128032 | Aircraft wing including a plurality of dismountable members The invention relates to an aircraft wing including two members removably connected end to end by a coupling including: a male coupling part with spaced opposed upper and lower faces, a first face being planar while the second face has a longitudinal relief (9 | 03/06/2012 |
| 7975965 | Wing tip joint in airfoils An aircraft joint comprises a wing structure and a wing tip. The wing structure has a first part of a clevis and lug fastening system located around an outer end of the wing structure. The wing tip has a second part of the clevis and lug fastening system located aro... | 07/12/2011 |
| 7828246 | Wing with sectioned tubular members An aircraft wing made of a composite material, and its method of manufacture, require a plurality of kabobs (i.e. substantially rectangular shaped hollow tubes having an open end and a closed end). Of these kabobs, several are aligned end-to-end, to create a section... | 11/09/2010 |
| 7337932 | Hanger beam construction An I-beam having a web curved in two dimensions is used to provide an enhanced stiffness to weight ratio for molded plastic hangers. The I-beam includes first and second generally parallel flanges which extend in a longitudinal direction. The flanges are joined by a... | 03/04/2008 |
| 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 |
| 7243879 | Lattice fin for missiles or other fluid-born bodies and method for producing same A method for the manufacture of lattice fins for fluid-born bodies is provided. In one embodiment, lattice fins having a metallic cell structure are manufactured from strips or sheets of metal. In another embodiment, composite lattice fins are manufactured from a lo... | 07/17/2007 |
| 7216831 | Shape changing structure In one preferred embodiment, a structure is provided that includes a body having a first wall and a second wall. At least one appending component extends from an end of the body and includes a first skin and second skin. The structure additionally includes at least ... | 05/15/2007 |
| 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 |
| 6976343 | Compressive flange sinusoidal structural member A sinusoidal structural member having a dual component flange is provided. In the preferred embodiment, the flange (both upper and lower) is comprised of at least two components. These two components can be produced by dividing the flange lengthwise; where the divis... | 12/20/2005 |
| 6938856 | Empennage assembly and attachment mechanism for a model airplane An empennage assembly for a model aircraft. The empennage assembly includes a fuselage having a bottom portion with an opening and a housing positioned in the opening in the bottom portion of the fuselage. The housing has a first end defining an opening and a second... | 09/06/2005 |
| 6928715 | Method for producing lattice fin for missiles or other fluid-born bodies A method for the manufacture of lattice fins for fluid-born bodies is provided. In one embodiment, lattice fins having a metallic cell structure are manufactured from strips or sheets of metal. In another embodiment, composite lattice fins are manufactured from a lo... | 08/16/2005 |
| 6830218 | Structural attach method for thin fairings A method, system, and apparatus for attaching a fairing to a body or aircraft wing are disclosed. A plurality of attach anchors is disposed on the body or aircraft wing to which the fairing is to be attached. Disposed in the fairing is a plurality of core pockets th... | 12/14/2004 |
| 6786452 | Wing structure of airplane In a wing of an airplane, a front spar having a C-shape in section includes a web, flanges, and a reinforcing partition wall. An intermediate spar having an I-shape in section includes a web, flanges, and a reinforcing partition wall. Ribs can be positioned in a spa... | 09/07/2004 |
| 6746755 | Ceramic matrix composite structure having integral cooling passages and method of manufacture A multi-layer ceramic matrix composite structure (40) having a plurality of fiber-reinforced cooling passages (42) formed therein. The cooling passages are formed by the removal of a fugitive material (24). The fugitive material is part of a wra... | 06/08/2004 |
| 6739553 | K-spar configuration for bonded wing construction A method and apparatus of bonded wing construction in which skins (35, 39) having shaped protrusions (37, 41) are bonded to rib members having correspondingly shaped intrusions (33). The skins may also include differently shaped protrusions (... | 05/25/2004 |
| 6689246 | Method of making composite airfoil structures A box-structure airfoil is constructed of a composite material uppers skin, a composite material lower a skin 12 and a spar. Ribs and an elongate projection are formed integrally on the inner surface of each of the two skins. The upper and lower skins and... | 02/10/2004 |
| 6478922 | Method of manufacturing a composite structure using a conformable locating aperture system A method and apparatus for the manufacture of fiber reinforced structures including the tooling and its use in the manufacture of reinforced structures. The apparatus comprises a conformable locating aperture system (CLAS) used for the formation of compos... | 11/12/2002 |
| 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 elements extending through central openings in each of the airfo... | 07/16/2002 |
| 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 having a span-wise axis, and a airfoil cross section norm... | 07/17/2001 |
| 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 |
| 6217000 | Composite fabrication method and tooling to improve part consolidation A method and tooling concept for fabricating complex composite parts is provided. The method and tooling concept use various tooling configurations in order to produce varying magnitudes of thermal expansion at different areas within the tooling concept. ... | 04/17/2001 |
| 6170157 | Determinant spar assembly A method and apparatus for manufacturing wing spars includes a fixture that holds spar webs for drilling and edge trimming by accurate numerically controlled machine tools using original numerical part definition records, utilizing spatial relationships b... | 01/09/2001 |
| 6116539 | Aeroelastically stable forward swept wing The instant invention generally relates to a forwardly swept wing 10 for an aircraft comprised of a pair of opposed single piece machined aluminum alloy wing boxes 20 and 40. Specifically, the invention provides for a forward swept wing construction utili... | 09/12/2000 |
| 6073882 | Flying vehicle with retractable wing assembly A retractable wing assembly for a flying vehicle includes a vane support member, a wing with vanes, and a wing extending and retracting assembly. Each vane includes a base portion and an end portion and is pivotally secured to the vane support member at i... | 06/13/2000 |
| 6065720 | Manufacture of aircraft A method of manufacture of an aircraft comprising the manufacture of a range of interconnectable demountable structural modules and assembly of one of a plurality of aircraft variants by the selection and assembly of a pre-determined set of said structura... | 05/23/2000 |
| 5984230 | Wing assemblies for aircraft A rotary wing having a spar that flexes and crosses the axis of the spar in two or more points. The spar mounts two adjacent flying surfaces extending spanwise and rotatable about the longitudinal axis of the spar without the transmission of flexural move... | 11/16/1999 |
| 5941478 | STOL/VTOL free wing aircraft with modular wing and tail A mechanism for quickly removing and installing the free wings and/or the tail booms of a freewing aircraft to the fuselage. The fuselage includes a free wing cross tube extending transversely through the fuselage at the spanwise axis, and each of the lef... | 08/24/1999 |
| 5922446 | Structural members with large unidirectional rigidities In a structural member with large unidirectional rigidities unidirectional fiber bundles are completely embedded in shear resistant sheaths. The shear resistant sheaths are joined to a shear resistant torsion shell made up of skin layers by shear resistan... | 07/13/1999 |
| 5897078 | Multi-service common airframe-based aircraft A modular approach to the manufacture of high performance military aircraft allows different aircraft to be manufactured at affordable cost and with high part number commonality. An aircraft so constructed includes a delta wing; a forebody section, includ... | 04/27/1999 |
| 5865911 | Aluminum alloy products suited for commercial jet aircraft wing members Rolled plate products up to 6 inches thick or more and other products in an aluminum alloy consisting essentially of about 5.2 to 6.8% zinc, 1.7 to 2.4% copper, 1.6 to 2% magnesium, 0.03 to 0.3% zirconium, balance substantially aluminum and incidental ele... | 02/02/1999 |
| 5848765 | Reduced amplitude corrugated web spar A reduced amplitude corrugated web spar for use in airplane wings and the like is disclosed. The amplitude of the corrugation is determined based upon general stability requirements of the spar, and the fasteners are offset from the center line of the web... | 12/15/1998 |
| 5794888 | System for removing incident heat from aircraft during flight The invention relates to a system for removing the heat that is incident upon an aircraft, and especially a supersonic aircraft, during flight. The incident heat is generated by the constant heating effect of aerodynamic friction on the outer skin of the ... | 08/18/1998 |
| 5779190 | Portable unmanned aerial vehicle An unmanned aerial vehicle that includes symmetrical wings, tail section and internal compartments. The wings which include the only control surfaces can be attached to either side of the aircraft. An engine and a payload are non-symmetrically attached mo... | 07/14/1998 |
| 5735486 | Aircraft wing In a wing with wing shells with good shear strength made of fibrous composite materials, particularly fiber-reinforced plastics, for aircraft, members taking up tensile and compressive forces are attached to the inside of the wing shells. These members ha... | 04/07/1998 |
| 5533693 | Three dimensional woven fabric connector A three dimensional woven fabric connector includes a first generally planar section of flexible fabric composed of fibers which run lengthwise and are interwoven with fibers that run crosswise generally at right angles to the lengthwise fibers, and a sec... | 07/09/1996 |
| 5501414 | Structure having an aerodynamic surface for an aircraft An aerodynamic structure having an aerodynamic surface for an aircraft, has at least two spars, several ribs made up of rib elements, and two shells made up of a plurality of shell elements. The ribs extend in the direction of the profile depth of the str... | 03/26/1996 |
| 5356094 | Scorpion wing A foldable, multisectional air foil with apparatus enabling it to fold or curl up or down about the body of a craft; and to a system to maintain air foil rigidity during flight. This system includes three separate assemblages which may be used in combinat... | 10/18/1994 |
| 5346745 | Elastic micro-fabricated surface layer for reducing turbulence and drag on an object while it moves through a fluid medium A surface for use in connection with an object in relative motion through a luid medium includes a plurality of surface elements arranged in rows on the surface, with surface elements of each row being arranged generally orthogonal to the direction of rela... | 09/13/1994 |
| 5269657 | Aerodynamically-stable airfoil spar A structural spar is provided that provides beneficial flexural-torsional coupling to an airfoil so that flexural excursions of the airfoil induces torsion in the spar so as to change the pitch angle of the airfoil in such a manner as to the oppose the fl... | 12/14/1993 |
| 5252381 | Airfoil with thick trailing edge An airfoil section comprising a relatively thick trailing edge and a sloped rear surface.... | 10/12/1993 |
