Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1988-12-09
1990-04-17
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
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
Bruchmann Bernd
Roehling Christoph
Macon Robert S.
Siemens Aktiengesellschaft
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