Vacuum interrupter with cup-shaped contact having an inner arc c

Details Vacuum interrupter with cup-shaped contact having an inner arc c Vacuum interrupter with cup-shaped contact having an inner arc c

1974-12-19

1976-09-14

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200279, H01H 3366, H01H 106

Patent

active

039808505

ABSTRACT:
A vacuum interrupter is described having improved electrodes. The electrodes are of the cup-shaped type with an insert electrode disposed within the cup-shaped contact closely spaced from the base portion of the cup. The insert electrode has spiral or radial and circumferential extending slots therein. The spirals or slots of the insert electrodes may extend in the same or opposed directions.

REFERENCES:
patent: 2900476 (1959-08-01), Reece
patent: 3089936 (1963-05-01), Smith, Jr.
patent: 3182156 (1965-05-01), Lee et al.
patent: 3225167 (1965-12-01), Greenwood
patent: 3869589 (1975-03-01), Hundstad

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