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7566489 |
Impact-absorbing structural component
A shock-absorbing structure component has two cover layers and an intermediate layer that is arranged between them. The intermediate layer extends in an alternating form between the cover layers,...
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7438261 |
Stratospheric balloon utilizing electrostatic inflation of walls
The high-altitude balloon has a skin made of nearly evacuated electrostatically inflated cells which provide thermal insulation to minimize heat loss from the gas in the balloon, while transmitting...
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7275720 |
Actively cooled ceramic thermal protection system
An apparatus and method for thermal protection is provided. A thermal protection apparatus includes a porous layer attached to an inner structural member requiring thermal protection. The porous...
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7138028 |
Vacuum assisted resin transfer method for co-bonding composite laminate structures
A method for forming complexly shaped composite laminate assemblies. A pair of dry fiber preforms are placed on a tool with a thin film adhesive layer therebetween. A vacuum bag encloses the...
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7073749 |
High altitude reconnaissance vehicle
An airship deployment system comprises an airship of unique shape having laminar flow over this shape to enable low power propulsion, capable remote control, comprising an inflatable body; a...
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6986929 |
Composite preform structural panel having electrically conductive stitching
A structural panel comprised of a composite preform having an electrically conductive stitching. The stitching forms an electrically conductive grid-like network on the structural panel to better...
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6964723 |
Method for applying pressure to composite laminate areas masked by secondary features
A method for applying pressure to the area of a composite part masked by a secondary feature comprises the steps of positioning a pressure augmentation strip in contact with the masked area,...
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6929221 |
Ram air parachute with tensioned top skin
An improved ram air canopy is disclosed having a top skin formed of a plurality of substantially rectangular top skin pieces. Each top skin piece has areas of reduced width at predetermined...
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6848651 |
Electro-hydraulic thrust reverser lock actuation system and method
An electro-hydraulic thrust reverser lock actuation system includes a hydraulic fluid source and a lock actuator assembly that is configured to selectively pressurize the hydraulic fluid. The lock...
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6793180 |
Lighter than air foldable airship
A system and method for constructing an airship hull is described, comprising a plurality of flexible members disposed lengthwise about the perimeter of the airship skin. The flexible members can...
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6735866 |
Method for manufacturing elements of composite materials by the co-bonding technique
Method for manufacturing elements made from composite material using the co-bonding technique, in which uncured elements (preformed beams ( 2 )) are bonded onto another cured element (the skin ( 3...
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6722611 |
Reinforced aircraft skin and method
An aircraft body structure is disclosed and has a skeleton frame including a plurality of interconnected frame elements. A skin layer is affixed to at least a portion of the frame elements. The...
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6474595 |
Electrical energy depletion/collection system
An electrical energy depletion/collection system including a mobile airborne trigger platform; a mobile host platform; an electrical interconnection between the trigger platform and the host...
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6450450 |
Low cost structural fabrication that resists catastrophic failure under rapid thermal loading
Provided is a fabrication that is simple to make and cost effective in optimizing performance for moderately extended high velocity missions of high performance airborne vehicles. To counter rapid...
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6432507 |
Lightning protection for electrically conductive or insulating skin and core for honeycomb structure
Lightning protection utilizing lightweight electrically conductive coatings with a conductance of approximately 220 to 350 mhos per square co-cured or secondarily bonded to the outer surface of...
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6302357 |
Pressure stabilized inflated air transport vehicle
This invention relates to a pressure stabilized inflated air transport vehicle having means for limiting crack propagation in the hull envelope whereby leakage of the gas in the haul due to the...
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6290176 |
Airship gondola suspension system and method of making same
The present invention describes a dual suspension catenary system which includes aspects of both an internal catenary system and an external catenary system. The dual suspension catenary system of...
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6224016 |
Integrated flexible solar cell material and method of production
A novel energy producing flexible material is provided particularly suited for high altitude and stratospheric applications. The flexible energy producing covering includes a flexible solar cell...
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6171704 |
Coating for aerospace aluminum parts
A coated aerospace aluminum alloy part, such as a lipskin of a nacelle or a leading edge of a wing or tail, is disclosed which part is protected from corrosion due to severe environmental stresses,...
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5654077 |
Single-material fully isotropic laminates with multiple sublaminates
The present invention discovers the layup of i. a multimaterial fully isotropic laminate that exhibits a concomitant stiffness isotropy in extension, shear, bending, and twisting; and ii. a...
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5285986 |
Rigid airship with a carrier frame of ribs and beams enclosed by skin sections forming an envelope
An airship has a carrier frame with triangular cross-ribs arranged so that an apex faces upwardly and a base faces downwardly, whereby longitudinal beams at the corners of the triangles...
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5262220 |
High strength structure assembly and method of making the same
A high strength panel-like structure having a high strength to weight ratio. The structure comprises two integrally formed panel sections, each panel section comprising an outer sheet portion and...
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5184141 |
Structurally-embedded electronics assembly
A structurally-embedded electronics assembly is disclosed and includes an outer skin member which is lightly loaded structurally, a primary load-carrying member positioned inboard from the outer...
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5171623 |
Drag reducing surface depressions
Fluid friction of a body moving through air or water is reduced by means of a plurality of symmetrical depressions on the surface of the body. The symmetrical depressions are closely spaced but not...
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5115998 |
Annular balloon
The invention provides a double-walled, annular balloon which requires less gas to inflate than its volume would indicate. The balloon is formed of double-walled gores joined by continuous...
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5104059 |
Long endurance high altitude balloon
A high altitude, high pressure balloon comprised of a number of gores. The gores are made from a material and have a size, that are the results of an analysis of the anticipated stresses to which...
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5082204 |
All wing aircraft
An all-wing aircraft is disclosed that has novel foreplane and depending aftplane, a center wing section and outer wing panel flying surfaces which cooperate aerodynamically to eliminate the need...
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4999236 |
Fire resistant surfaces for hot air balloons
The invention relates to improvements in hot air balloons and the like. An insulation of carbonaceous fibers is provided on the interior of the balloon's envelope and/or the skirt, nozzle or scoop...
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4934631 |
Lighter-than-air type vehicle
A lighter-than-air type vehicle comprising a frame-work and a series of inflatable lift bags secured to said framework. The lift bags inwardly contain heating elements and a gas, such as hydrogen...
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4923146 |
Cooling system for surfaces of high speed operating flight craft
An improved means for convection cooling the skin surfaces of an atmospheric flight craft such as are subject to air friction-induced overheating when the craft operates at high speed, featuring...
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4762295 |
Aerostat structure with conical nose
An inflatable hull has an integral nose section comprising an array of trapezoidal fabric sections secured to form a frustro-conical volume. A nose cap is secured to the end of the frustrum with a...
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4750690 |
Upward viewing observation window for hot air balloon
A hot air balloon envelope (11) of the type having a downwardly-directed bottom opening (12) and characterized by being formed of a multiplicity of elongate gores (26) joined along adjacent sides,...
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4711416 |
Steerable lighter than air balloon
The invention concerns a steered aerostatic balloon and in particular the creation of balloons of large volumes, which are free (airships, space balloons) or captive (material loading or unloading...
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4529153 |
One-piece load line pocket for balloon
A one-piece load line pocket (30) is disclosed for a hot air balloon (10). The load line pocket comprises an elongate fabric tape having a pair of opposing, longitudinally extending shoulders (31,...
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4434958 |
Method of construction for a container with a symmetrical lobed structure and container constructed according to the said process
The invention concerns a spheroid container flattened at either pole. The structure is made from gores assembled along their edges. Meridional mono-directional reinforcements are fixed at intervals...
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4420130 |
Fabrication process for an envelope, in particular for space balloons, envelope thus made, and its application to the aerospace domain
A stress control mechanism for a space balloon is comprised of an axial tie member extending from the upper pole of a load carrying space balloon envelope, the tie member passing from the upper...
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4390149 |
Balloon envelope and method of fabricating same
A balloon envelope is disclosed which has the ability to minimize and isolate destructive tears, and which comprises a latticework of interconnected vertical and lateral reinforcing tapes which...
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4361297 |
Atmospheric exploration vehicle
A vehicle for the exploration of the atmosphere comprising an infra-red and olar montgolfier (hot-air balloon) capable of being piloted reversibly. The vehicle comprises a gas-tight envelope in...
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4208027 |
Gradation of skin thickness on metal-clad airship hulls
A construction of the external skin of the hull of a metal-clad airship utilizing sections of hull plating of different thickness to connect the sheets or gores of the plating of the main portion...
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4125233 |
Tethered aerodynamic balloon with integral fins
A non-rigid aerodynamic balloon having integral stabilizing tail fins is provided. The balloon is most useful in tethered applications, such as for advertising. The balloon is formed from a...
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4113206 |
Lighter-than-air apparatus and method of utilizing same
Lighter-than-air apparatus includes a thin, pliable air-tight outer envelope disposed in overlying relationship over a light-weight, coarse-opening inner frame of a spherelike shape. The envelope...
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4077588 |
Permanently buoyant balloon
A substantially permanently buoyant balloon suitable for use as a toy or in advertising, for example, is provided which includes an envelope containing a lighter than air gas such as helium, which...
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3995081 |
Composite structural beams and method
Strong, lightweight structural shapes or structures adapted for anistropic load bearing useful as structural beams or stiffeners for other structures, e.g., aircraft and which prevent or have...
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3995080 |
Filament reinforced structural shapes
Strong, lightweight structural shapes or structures adapted for anistropic load bearing useful as structural beams or stiffeners for other structures, e.g., aircraft and which prevent or have...
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3974989 |
Inflatable lighter-than-air article composed of a coated triaxial weave construction
An improved lighter-than-air article is provided. The improvement is a covering which consists essentially of a triaxial fabric having a gas impermeable polymeric film firmly adhered to one surface...
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3956529 |
Finishing process for fabric covered air frame structure
A method of finishing cloth-covered aircraft wings and fuselage. The cloth, cotton or polyester cloth of the type made from monofilaments of the condensation product of ethylene glycol with...
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3620485 |
DIRIGIBLE
A lighter-than-air aircraft having a central passageway longitudinal of the aircraft and a plurality of passageways radiating laterally therefrom. Suitable air moving means are located in said...
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3607595 |
METHOD OF PRODUCING AERODYNAMICALLY SMOOTH SURFACES
Aerodynamically smooth surfaces are prepared by covering an irregular surface such as a riveted aircraft wing with a flexible foam embedded with a thermosettable resin. The foam has a smooth outer...
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3456903 |
AIRSHIP
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3082519 |
Method for making metal panels
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