Electrical bushing

Electricity: conductors and insulators – With fluids or vacuum – Insulators

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174152R, H01B 1726, H01B 1734

Patent

active

040313115

ABSTRACT:
An electrical bushing assembly suitable for operation in an ambient temperature of 150.degree. C. The electrical bushing assembly includes a ferrous electrical conductor insulated with wholly aromatic polyamide fibers impregnated with silicone oil and surrounded by a ceramic insulating member which includes Al.sub.2 O.sub.3.

REFERENCES:
DuPont brochure entitled "Nomex Nylon", 12 pages, received PTO July 17, 1969.
DuPont Nomex Nylon Bulletin N-195, Sept. 1965, 3 pages.
(SO198-0026) Ricketts, C. E., "Ceramic Insulators", paper presented at BEAMA Electrical Insulation Conference, London, England, Apr. 8-10, 1970, only pp. 1 and 2 relied on.
Electrical World, vol. 160, No. 7, Aug. 12, 1963, p. 75.

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