Solid insulator-type vacuum switch gear

Details Solid insulator-type vacuum switch gear Solid insulator-type vacuum switch gear

1985-09-18

1986-10-21

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144R, H01H 3366

Patent

active

046187499

ABSTRACT:
A vacuum switching apparatus having a pair of terminal members extending from a housing made from a fully solid insulating material such as epoxy resin, and forming an outer housing for the vacuum switching apparatus, into which a vacuum switching chamber is placed housing a fixed and a movable contact member, the movable contact member extending through metallic bellows into a sliding contact and into the coupling terminal, wherein a pair of control electrodes each being conductively coupled to a different one of the terminal members is embedded into the fully solid insulating housing and lying at the potential of the respective terminal members, a further control electrode placed in the insulating housing and lying in a region so that it will assume an intermediate potential between the terminal potentials and the ground potential and wherein further a grounded outer metallic casing encloses insulating housing.

REFERENCES:
patent: 3147356 (1964-09-01), Luehring
patent: 4568804 (1986-02-01), Luehring

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