Patent
Lightning protection electrical circuit path for coupling between aircraft structures
TLDR
In this article, a method of providing lightning protection for non-metallic component structures, aircraft skins, etc. including sandwich-type skins on aircraft where fast removal and easy access is required between components of the lightning protection electrical circuit path.Abstract:
A method of providing lightning protection for non-metallic component structures, aircraft skins, etc. including sandwich-type skins on aircraft where fast removal and easy access is required between components of the lightning protection electrical circuit path. The electrical circuit path between aircraft structures utilizes a flexible clip not requiring fastener connection and removal when a component at the end of the circuit path is required to be replaced.read more
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Patent
Lightning damage protection for composite aircraft
TL;DR: In this paper, a system for protecting a composite-body aircraft from damage caused by lightning strikes includes a Faraday cage defined on the exterior surface of the aircraft body by a continuous, electrically conductive grid that extends to the outermost lateral periphery of the body.
Patent
Conformal lightning shield and method of making
TL;DR: In this paper, a device for shielding composite material surfaces of aircraft from the destructive forces associated with lightning strikes and for protecting avionics from electromagnetic interference (EMI) and radio frequency interference (RFI) is provided, consisting of a thin metallic foil having uniformly spaced polygonal apertures formed therein.
Patent
Electrical continuity means for composite joints
Darryl Toni,Eliasz Poss +1 more
TL;DR: In this paper, a means for conducting an electrical charge from one nonconducting article having a conductive layer thereon to another article across a joint, wherein the means is displaced from the mechanical interface of the joint, was proposed.
Patent
Method and system for lightning current conduction protection using foil bonded strips
TL;DR: In this paper, an apparatus and method for current protection from lightning strikes is described, which consists of an electrically conductive strip affixed to a surface, such as a structural panel, and electrically bonded to a system current return strip to conduct electricity between the electricallyconductive strip and a current return location.
Patent
Installation for affording electrical continuity for rotorcraft rotor
TL;DR: In this article, the installation for removing electrostatic charge and passing lightning current between a conductor of each blade of the rotor and a metallic part of the hub comprises at least one conductive member integral with the member for linking the blade to the hub in its angular deflections, and in electrical continuity with the conductor of the blade and held elastically in permanent contact with a conductive terminal integral with a hub.
References
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Patent
Aircraft lightning protection means
Myron P. Amason,Joseph T. Kung +1 more
TL;DR: Lightning protection means for aircraft structural components includes thin, perforated, dielectric and metallic layers applied to the ordinarily lightning-accessible surfaces of composite structures as discussed by the authors, where the outer metallic layer of the lightning protection means is formed from sprayed metal, ground connection to the metallic layer preferably comprises a section of wire screen fused with the sprayed metal on the dielectrics layer, a thin metal plate brazed to the wire screen, and a metal attachment connecting the metal plate to adjacent ground structure.
Patent
Structure for sealing a joint in an electromagnetic screening enclosure
TL;DR: In this article, a structure for covering a gap in a joint, which is between a pair of wall members which are interconnected by threaded fasteners such as bolts, of an electromagnetic screening enclosure, is described.
Patent
Joint seals for electromagnetic wave shields
TL;DR: In this article, a sealing spring system with soft magnetic material in the clamps, in association with clamps or in connection with the joint profile structure, is described and improved functioning is achieved.