Arc chutes

Details Arc chutes Arc chutes

1981-12-15

1983-09-20

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3308

Patent

active

044058470

ABSTRACT:
An arc chute for a circuit breaker includes a plurality of arc splitter plates 2, each plate having a pair of spaced parallel limbs 4,6 merging into a block portion. The arc chute also includes a pair of insulating barriers each containing a row of spaced channels arranged normally to a major longitudinal edge of the barrier, each channel encompassing one of the limbs 4,6 of each of the arc splitter plates. The insulating barriers may include a plurality of insulating members 12 each member having a protruding platform 28 and a stepped recess 17 such that two similar members may be engaged by superimposing one with the other with the protruding platform 28 of one engaging the stepped recess 17 of the other so as to provide a channel. The arc chute also includes a pair of arc conductors 32 which extend axially in register with respect to each other intermediate the barriers.

REFERENCES:
patent: 2147419 (1939-02-01), Baker
patent: 2215797 (1940-09-01), Sauer
patent: 3270171 (1966-08-01), Latour
patent: 3728503 (1973-04-01), Clausing et al.

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