Gas-blast switch comprising gas heating means

Details Gas-blast switch comprising gas heating means Gas-blast switch comprising gas heating means

H - Electricity

01

H

306/229

H01H 33/74 (2006.01) H01H 33/56 (2006.01)

Patent

CA 1140191

INVENTORS: GUIDO HUX and HUBERT HALLIMANN INVENTION: GAS-BLAST SWITCH ABSTRACT OF THE DISCLOSURE A substantially tubular-shaped support insulator, which is supported upon a support or carrier housing, supports at least one switching chamber or compartment within which there are arranged contacts which can be brought into and out of engagement with one another. The switching chamber and the internal spaces of the support housing and the support insulator are encapsulated towards the outside, but however are in flow communication with one another and contain a compressed extin- guishing gas. To prevent condensation of the extinguishing gas there is provided an extinguishing gas-heating device which is operatively connected by means of the support insulator with the switching chamber. In order to retard as little as possible the circulation of the extinguishing gas, caused by the heating device, within the gas-blast switch even with appreciable structural heights of the support insulator, there extends from the switching chamber a connection line which is arranged adjacent the support insulator and which leads to the heating device.

357390

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