Contact piece for an electric vacuum switch

Details Contact piece for an electric vacuum switch Contact piece for an electric vacuum switch

1981-03-03

1983-06-28

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

043907628

ABSTRACT:
Contact piece for an electric vacuum switch, including a contact carrier base, an obliquely slotted contact carrier wall having an upper surface and being integral with the base forming a pot-shaped contact carrier together with the bsae, the pot-shaped contact carrier being substantially formed of copper and having a circular cross-section, an unslotted substantially planar contact ring being formed of a contact material and being disposed in the upper surface of the wall, the wall having a circular groove with a rectangular cross-section formed therein extended downwardly from the upper surface thereof, and another unslotted ring formed of a material having a greater resistance than copper being disposed in the groove.

REFERENCES:
patent: 3327081 (1967-06-01), Pflanz
patent: 3711665 (1973-01-01), Dethlefsen
patent: 4149050 (1979-04-01), Gorman et al.

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