Gas-blast circuit breaker

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

Patent

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Details

200148R, H01H 3388

Patent

active

049182692

ABSTRACT:
A blast arrangement for gas-blast circuit breakers including a blast cylinder and a blast plunger, the blast plunger being designed in two pieces, arranged axially, the two pieces being rigidly coupled via spacers parallel to the axis and holding between them the sealing rings which form a return valve.

REFERENCES:
patent: 4293750 (1981-10-01), Marin

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