Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Patent
1994-10-11
1997-03-18
Kincaid, Kristine L.
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
174120SR, H01B 702
Patent
active
056125100
ABSTRACT:
The present invention features a high-voltage, high-temperature cable article for use with electric motors, coils, transformers, generators and power supplies. The cable article has a conductive core member overlaid with an intermediate, semiconductive layer and an outer, insulative jacket layer. The intermediate, semiconductive layer can be a carbon-impregnated polymer such as a carbon-impregnated polyethylene; a carbon-impregnated, ethylene-propylene-diene terpolymer (EPDM); semiconductive nylon tape; semiconductive PTFE (polytetrafluoroethylene) tape; semiconductive fabric tape; or a semiconductive extruded fluorocarbon. The temperature rating of the cable article is at least approximately 150.degree. C.; the voltage rating can be in a range of approximately between 1,000 to 15,000 volts. The wall thickness of the semiconductive layer can range from approximately 2 to 20 mils. The outer, insulative jacket layer can be a cross-linked polyolefin, an elastomeric or a thermoplastic elastomer material. The conductive core can be solid or stranded wire.
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patent: 4469539 (1984-09-01), Wade et al.
patent: 5095175 (1992-03-01), Yoshida et al.
Champlain Cable Corporation
Kincaid Kristine L.
Machtinger Marc D.
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