H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 3/00 (2006.01) H01B 3/02 (2006.01) H01B 3/30 (2006.01) H01B 3/56 (2006.01) H01H 33/76 (2006.01) H01H 71/00 (2006.01) H01H 33/70 (2006.01)
Patent
CA 2173190
The stock contains an insulating-material matrix and a filler embedded in the matrix and is distinguished by a cellular structure. The predominant portion of the cells is filled with a material having arc-extinguishing properties or contains a material which, on exposure to an arc, forms arc-extinguishing gas. For the purpose of improving the making and breaking capacity, such a stock can advantageously be employed in a gas-blast circuit breaker in which arc- extinguishing gas is blown onto the switching arc (11). This involves the stock preferably being positioned at such points guiding the arc-extinguishing gas, at which the stock is exposed to the radiation of the arc (11) and the thermal action of arc gases.
Bruhl Bodo
Julke Elias
Kaltenegger Kurt
Niemeyer Lutz
Ritzer Leopold
Abb Research Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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