Glaze to pin connection for a high voltage direct current insula

Details Glaze to pin connection for a high voltage direct current insula Glaze to pin connection for a high voltage direct current insula

1984-02-29

1985-04-30

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

With terminal elements

174140C, 174211, H01B 1708, H01B 1750

Patent

active

045145911

ABSTRACT:
This disclosure teaches a direct current electrical insulator with improved glaze to pin electrical connection. A suitably contoured porcelain insulator shell is coated with a conventional non-conductive glaze and has a metal cap and a metal pin each situated at a surface of the insulator shell opposite to the other. The insulator shell forms a recess to receive the pin and Portland cement is poured therein for mechanically securing the pin in the insulator shell. A phenolic polymer composition is applied to cover the surface of the Portland cement to connect the pin for non-ionic current flow to the glaze and thus to accommodate passage of leakage current in a manner that generally prevents electrochemical corrosion of an anodic pin with attendant cracking of the porcelain insulator.

REFERENCES:
patent: 2023808 (1935-12-01), Hawley
patent: 4443659 (1984-04-01), Tatem
PINCO Insulators, Catalog No. 49, published by The Porcelain Insulator Corporation, Lima, New York, copyright 1949, reprinted Dec. 1950, pp. 62 and 63.

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