Bimetallic arc shield

Details Bimetallic arc shield Bimetallic arc shield

1984-09-04

1986-03-04

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

045741697

ABSTRACT:
A vacuum-type circuit interrupter is provided having a bimetallic vapor or condensing shield. The shield has a first surface consisting of a layer of a high electrically conductivity metal, as for example copper which is exposed to or faces the arcing area within the interrupter and a second layer of a superior high voltage material, as for example stainless steel which is affixed to that surface of the layer of copper away from the arcing area. The layer of stainless steel overlaps the layer of copper at the ends of the shield to an extent that allows it to be rolled over or formed to relieve electrical stresses.

REFERENCES:
patent: 3280286 (1966-10-01), Ranheim
patent: 3485978 (1969-12-01), Grindell
patent: 3913047 (1975-10-01), Arthur et al.
patent: 3955167 (1976-05-01), Kumbera
patent: 4020304 (1977-04-01), Cherry
patent: 4424427 (1984-01-01), Gebel et al.

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