Vacuum switch

Details Vacuum switch Vacuum switch

1977-01-31

1978-08-22

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3366

Patent

active

041091230

ABSTRACT:
A vacuum switch which includes a stationary contact element and a movable contact element, at least one of the elements comprising a disc-shaped contact portion and a bush-shaped portion, and a conductor positioned within the bush-shaped portion and electrically connected in series with the associated contact element; the conductor being in spiral form and the spaces between the turns of the spirals, between the conductor and the bush-shaped portion and between the conductor and the disc-shaped contact portion being partially or completely filled with a solid insulating material.

REFERENCES:
patent: 3471666 (1969-10-01), Barkan
patent: 3818164 (1974-06-01), Mizutani et al.

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