Contact arrangement for vacuum switches

Details Contact arrangement for vacuum switches Contact arrangement for vacuum switches

1980-03-24

1982-06-08

Shepperd, John W.

Electricity: circuit makers and breakers

Electric switch details

Contact

200144B, 200267, H01H 106

Patent

active

043341330

ABSTRACT:
A contact arrangement for vacuum switches with coaxially arranged cup contacts, the slotted contact carrier of which is provided with a contact ring, in which, the exposed surface of the contact ring is provided with bevels extending radially inward and outward and the contact ring and/or the contact carrier contain an annular zone with an electric conductivity which is substantially reduced in comparison with the material of the contact carrier.

REFERENCES:
patent: 1132094 (1915-03-01), Hosford
patent: 2580910 (1952-01-01), Harman
patent: 3089936 (1963-05-01), Smith
patent: 3185799 (1965-05-01), Greenwood et al.
patent: 3327081 (1967-06-01), Pflanz
patent: 3546407 (1970-12-01), Schneider
patent: 3622724 (1971-11-01), Sofianek

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