Arc suppressing current interrupter

Details Arc suppressing current interrupter Arc suppressing current interrupter

1990-09-11

1992-06-30

Broome, Harold

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144R, H01H 3306, H01H 932

Patent

active

051265176

ABSTRACT:
A current interrupter in which a first movable, insulating, gear carries a contact blade. The blade extends out from this movable gear and forms a contact which makes and breaks with a stationary contact upon movement of the gear. A second insulating gear has a set of teeth which engage the teeth on the first gear. The second gear has a cavity into which the extended contact fits. Movement of the first gear in a direction to break the contact, causes the engaged teeth to drive the extended contact into the cavity, thereby insulating the movable contact from the stationary contact. The interlocking gear teeth create a tortuous path for the arc and provide a large over surface distance for dielectric strength.

REFERENCES:
patent: 4562323 (1985-12-01), Belbel et al.
patent: 4596911 (1986-06-01), Guery et al.
patent: 4677266 (1987-06-01), Belbel et al.

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