Dual compression puffer interrupter

Electricity: circuit makers and breakers – Liquid contact – Time delay

Patent

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Details

200150G, H01H 3370

Patent

active

039912922

ABSTRACT:
A fluid-blast circuit interrupter of the puffer type is provided having two pistons connected in tandem to compress arc-extinguishing fluid in two separate volumes and to produce two separate fluid blasts. Valve action is provided to delay the initiation of the second blast until the interrupter contacts have reached the desired separation distance. By changing component dimensions the degree of compression of arc-extinguishing fluid may be changed without delaying the instant of contact separation.

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