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4593870 Energy absorbing composite aircraft structure  
An energy absorber is provided. The energy absorber includes a thin panel (78) formed of composite materials (84) for reacting compression forces in the plane of the panel (78) between two opposed...
4582276 Lifting shock wave cancellation module  
An aerodynamic structure which when included into the design of a supersonic aircraft provides the aircraft with a higher lift/drag ratio than has been obtainable previously in supersonic aircraft...
4579301 Pilot module  
A pilot module for a lightweight aircraft having a fuselage primary structure that includes a longitudinally disposed support structure, or boom and also having a wing structure attached to the...
4576857 Melt-fusible polyimides  
Melt-fusible polyimides based on pyromellitic dianhydride and at least one defined aromatic diamine are useful in making low-void composites and thermoplastic tapes, which can be fabricated into...
4539253 High impact strength fiber resin matrix composites  
Improved fiber resin matrix prepreg fabrics are disclosed which are comprised of a first layer of reinforcing fabric coated with an epoxy resin composition and a discrete second layer of an epoxy...
4531695 Composite helicopter fuselage  
A composite helicopter fuselage comprises at least one main frame member having two generally vertical side beams joined by generally horizontal top and bottom beams. Each side beam comprises a...
4524556 Surface type structural component, especially for aircraft  
A surface type structural component particularly applicable for aircraft, mprises a reinforcing grid structure of longitudinal and cross ribs made of fiber reinforced material. The grid structure...
4518196 Motor vehicle with integrally formed hydraulic and/or air lines  
A line network for at least one of hydraulic and pneumatic media with the line network being adapted for use in motor vehicles such as buses as well as in aircraft, machines, or buildings. The...
4483497 Wide-body supersonic aircraft  
This invention is an improvement of my system for supersonic aircraft which provides the required angular momentum reaction to the continuous generation of new lift circulation by vorticity in...
4452657 Composite integral web stiffening method  
"I" beam or web structures of laminated composite material or sheets are being stiffened by transverse webs stiffeners having a tubular configuration with flattened end portions. The flattened end...
4448372 Aircraft vertical fin-fuselage structural integration system  
An aircraft vertical fin-fuselage structural integration system wherein a plurality of vertical tail fin spars, extending transversely across the fin and fuselage and substantially parallel to the...
4442647 Soundproofing panel mounted to effect vibration isolation  
A rigid soundproofing panel is supported from a vibration-prone wall through a support system which includes an elastomeric plate isolator of selected spring rate to tune the suspension system so...
4425980 Beam dampers for damping the vibrations of the skin of reinforced structures  
Beam dampers comprising a stiff, lightweight, elongate beam and layer of viscoelastic material located along an attachment flange of the beam are disclosed. The flanges of the beam is attached by...
4417708 Interchangeable wing aircraft  
A design system for aircraft that allows wings of various different planforms to be mounted interchangeably on a common fuselage. Each of the wings has wing semi-spans joined by a center section...
4411380 Metal matrix composite structural panel construction  
Lightweight capped honeycomb stiffeners 18 for use in fabricating metal or metal/matrix exterior structural panels 14 on aerospace type vehicles 10 and the process for fabricating same are...
4399965 Stress panel repair insert for aircraft  
A thick panel is provided constructed of resilient deformable material and of a plan, size and shape to be snugly received in an airframe opening formed by the removal of an airframe stress panel....
4310132 Fuselage structure using advanced technology fiber reinforced composites  
A fuselage structure is disclosed in which the skin is comprised of layers of a matrix fiber reinforced composite, with the stringers reinforced with the same composite material. The high strength...
4294419 Airframe assembly and process  
Disclosed is a process for fabrication and assembly of airframes and airframe components utilizing the principles of diffusion bonding and superplastic forming. A preform blank or blank sheet of...
4291851 Thermal insulation for aircraft fuselage  
Thermal insulating apparatus for an aircraft fuselage of the type utilizing a sandwich panel construction. A foam insulation panel is provided which includes a plurality of standoffs for...
4292375 Superplastically formed diffusion bonded metallic structure  
A structure particularly suited for use in aerospace industries comprising a base plate, a cover plate, and an orthogonally corrugated core including a pair of core plates formed of a superplastic...
4230293 Composite structure and method of making  
An elongate hollow structure with a plurality of reinforcements arranged in a pattern and acting as spacers between a pair of skins. The skins are of resin impregnated wound filaments with...
4225102 Aerodynamic side-force alleviator means  
Apparatus for alleviating high angle-of-attack side force on slender pointed cylindrical forebodies such as fighter aircraft, missiles and the like and employing a symmetrical pair of helical...
4198018 Blended wing-fuselage frame made of fiber reinforced resin composites  
A unitary frame having a central, annular-shaped fuselage section and a pair of outwardly opposed wing spars is fabricated from fiber-reinforced, resin matrix composites, and constitutes one of a...
4176813 Shark nose for aircraft  
An aircraft nose and forebody shaped to produce relatively ideal vortex patterns which will provide improved static directional stability of the aircraft in the stall angle of attack region and...
4120998 Composite structure  
A composite structure capable of withstanding multidirectional stress loads in general and in particular high tension and compression loads transmitted to an aircraft center fuselage by wing...
4086378 Stiffened composite structural member and method of fabrication  
Stiffened structural components, particularly integrally stiffened light weight shell structures, produced by molding astiffening member, preferably formed of a graphite-epoxy composition and...
4055317 Aft main deck split level galley  
A galley for storing and preparing food for on-board service in a passenger aircraft has its main floor located in the aft portion of the fuselage and raised above the main passenger deck. The...
4053126 Helicopter cabin and method of making same  
The present invention relates to a process for making a thin-walled composite structure having resistance profiled elements, wherein a rotational-moulding mould is made, in the shape of said...
4050208 Aircraft interior ceiling panel assembly and attachment apparatus  
An interior wall and ceiling panel for use in the cabin of a passenger aircraft which includes attachment brackets, a support bracket assembly having three degees of adjustability for mounting the...
4035536 Sandwich panel core  
A core having a repetitive pattern for ribbing comprising triangles and hexagons where each side of any given hexagon is extended pinwheel fashion toward the appropriate side extensions of each of...
4012549 High strength composite structure  
An isogrid structure having inset strips of composite materials at the top and bottom of the grid webs. A preferably flanged isogrid basically consists of I-beam members arranged in an integral...
4000871 Airplane fuselage structure  
An airplane fuselage of a type having a concave bottom for providing more lift and control at low speeds and with two strut members extending along and on each side of the concave bottom for...
3993268 Ballooned, STOL aircraft  
A winged aircraft, adapted to takeoff and land with its longitudinal axis at a very steep angle of inclination, including: balloons that have a center of buoyancy forward of the center of gravity...
3978256 Three-dimensional monocoque open-ended annular structure  
A three-dimensional composite structure with integral reinforcing ribs. The ribs have a core to include spaced metal inserts that are positioned to accept load bearing fasteners. A lightweight...
3976269 Intrinsically tuned structural panel  
A structural panel of the skin-stiffener type, commonly used in aircraft construction, having significantly reduced vibration response, noise radiation and increased acoustic fatigue life, has a...
3955781 Supersonic aircraft with the engines disposed under the delta wing middle portion  
A supersonic aircraft in which the engines are disposed under the middle portion of a delta wing and the contour of the nose portion except for the front end of the fuselage is defined essentially...
3940891 Conical structure  
A high strength frusto-conical or conical structure utilizing an integral flanged reinforcing grid is disclosed. The structure comprises a skin plate having a generally conical shape, with a...
3910531 Shell-type structure for light aircraft  
Main sandwich-type shell structure for light aircraft comprising a moulded structure assembly of cellular-core panels and conventionnal structural members, the panels being joined to the...
3881566 Pipe-framed, insulated, land-traversing vehicle  
A vehicle, adapted for travel over land, having wheels, wheel and motor supports, and strong, light-weight walls, floor and top that include tie-beams or other tie-members and pipes (preferably of...
3867244 Insulation and condensation control blanket  
In a climate controlled chamber, an insulation blanket for controlling condensation of water vapor and for channeling the condensate to a central collection point. The preferred embodiment...
3794274 AIRCRAFT STRUCTURE TO REDUCE SONIC BOOM INTENSITY  
The structure of a fuselage of an aircraft having a plurality of apertures therein which permit high pressure air to be received within the confines of the exterior portion of said fuselage, and...
3771748 STRUCTURES  
A multi-cell structure, for example an aircraft wing, comprising polygonal support members or spines and panel members bonded to the spines so that a median plane of a panel member intersects one...
3740905 INSULATION AND CONDENSATION CONTROL SYSTEM  
In a climate controlled chamber, an insulation system for controlling condensation of water vapor and for channeling the condensate to a central collection point. The preferred embodiment involves...
3735947 CUSHIONED, BARREL-CURVED, WRECK-RESISTANT VEHICLE  
A strong, light-weight, shock-absorbing vehicle having: a barrel-curved cabin, with surfaces curved inward toward the cabin's axis and hollow elements in the sidewalls; cushioning means, mostly...
3718295 BARREL-CURVED, WRECK-RESISTANT CABIN  
A light-weight, shock-resistant vehicular cabin or other insulated, barrel-curved container, mainly constructed of elongated, stave-like members, each of which comprises: a pair of spaced side...
3687401 LIGHT-WEIGHT, WRECK-RESISTANT CABIN  
A vehicular cabin comprising: a substantially rigid body, endlessly arcuate in all cross sections in the form of Fig. 1 and in middle cross sections in the form of FIG. 12; and a shock-absorbing...
3677502 SUPERSONIC AIRCRAFT  
A supersonic aircraft particularly for use under the conditions of an endurance flight at supersonic speeds in which the fuselage is provided with a delta wing having engines mounted under the...
3675592 TRUSS-TYPE CARGO CARRYING VEHICLE  
A truss structure includes upper and lower beams with vertical interconnecting beams on which cargo of any type may be suspended. The truss structure is adapted to be supported on horizontally...
3667862 BLADE INSPECTION SYSTEM AND METHOD  
3658277 AIRCRAFT ANTI-HIJACKING STRUCTURE  
Normally inoperative walls in entrance area of aircraft between passenger and pilot areas rendered operable by control in pilot area and automatically actuated in response to downward pressure on...