Device for separably assembling two enclosures of a cut-out appa

Details Device for separably assembling two enclosures of a cut-out appa Device for separably assembling two enclosures of a cut-out appa

1980-12-01

1983-05-31

Grimley, A. T.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148B, H01H 3372

Patent

active

043862500

ABSTRACT:
A device for separably assembling first and second enclosures of an electric cut-out apparatus, said enclosures being filled with a dielectric fluid under pressure and having a rod for operating the cut-out apparatus passing therethrough with the compressed fluid in each of said enclosures being in communication with the compressed fluid in the other enclosure when the cut-out apparatus is in operation. The assembly device includes an intermediate slidable sealing air lock (41) which seals the first chamber and the second chamber. The air lock includes first and second separable portions (7,45) which are fast with respective ones of said enclosures. The operating rod (42) inside the air lock is separable into first and second portions (6,12) which are fast with respective ones of said enclosures. The invention applies in particular to compressed gas high tension circuit breakers.

REFERENCES:
patent: 3278712 (1966-10-01), Tominaga
patent: 4041263 (1977-08-01), Noeske
patent: 4237356 (1980-12-01), Ragaller
patent: 4278860 (1981-07-01), Wu

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