Electric switchgear with an enclosed design

Details Electric switchgear with an enclosed design Electric switchgear with an enclosed design

2006-08-22

2006-08-22

Feild, Lynn D. (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

C220S089200, C220S089100, C220S089300, C361S676000

Reexamination Certificate

active

07095606

ABSTRACT:
The aim of the invention is to prevent an unwanted conduction of a flow of gas inside a channel that connects an inner space of an enclosed switchgear (1) to another space. To this end, the channel is closed by means of a closing mechanism according to an increase in pressure in the inner space.

REFERENCES:
patent: 3619726 (1971-11-01), Boersma
patent: 5689097 (1997-11-01), Aufermann et al.
patent: 2002/0117901 (2002-08-01), Spivey et al.

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