Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Patent
1991-04-25
1992-04-07
Nimmo, Morris H.
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
174 34, 174107, 174109, H01B 734
Patent
active
051030675
ABSTRACT:
The present invention features a shielded wire and cable article capable of meeting stringent aerospace specifications and requirements, particularly that of low weight. The article generally comprises an inner conductive core of one or more wires that can be bare or individually insulated, and that can be straight, twisted or braided within the core. The core can also comprise a multicore consisting of a plurality of core members. The conductive core is surrounded by one or more thin layer(s) of insulation about which the shielding of this invention is applied. The shielding comprises a braided or served mesh or woven yarn of metallically coated fibers, characterized by high tensile strength and flexibility. Where the fibers themselves are braided, the resulting mesh can be braided more tightly about the interior insulation surface than can conventional meshes. Also, the high tensile strength requirement for the yarn permits a thinner fiber to be utilized, wherein a greater shield weight reduction can be realized. This thinner metal coating greatly reduces the shielding weight of the shield mesh.
REFERENCES:
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patent: 4506235 (1985-03-01), Mayer
patent: 4684762 (1987-08-01), Gladfelter
patent: 4822950 (1989-04-01), Schmitt
patent: 4920233 (1990-04-01), Kincaid
patent: 4960965 (1990-10-01), Redmon et al.
Champlain Cable Corporation
Nimmo Morris H.
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