H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/228
H01H 33/98 (2006.01)
Patent
CA 1249004
"ELECTRONIC CIRCUIT BREAKER OF THE TYPE USING AN ARC QUENCH ING FLUID WITH PRESSURE SELF-GENERATING DUE TO THE BREAKDOWN OF THE FLUID" Abstract of the Disclosure In an electric circuit breaker of the type using an arc quenching fluid with pressure self-generating by the breakdown of the fluid due to the same arc, comprising, inside a tightly sealed insulating casing filled with the extinguishing fluid, in particular with such a gas as sulphur hexafluoride, two plate-shaped current bear- ing connections, of which one supports a stationary main contact and a tubular stationary arc contact, and the other is provided with a guide for a stem supporting a movable main contact and a rod-shaped movable arc con- tact, a drive mechanism for moving said stem from a clo sure position to an opening position of the contacts and vice-verse, a first extinguishing fluid collecting and compression chamber surrounding the stationary arc con tact and having an outlet opening suitable to be closed by said movable arc contact, at least a further collect- ing and compressing chamber having an outlet opening, as well as means for closing said outlet opening of said further chamber, the outlet openings of said first cham ber and of the further chamber are coaxial and alined with the axis of the rod-shaped movable arc contact mo- vement, and this movable arc contact is the means for 2. closing the outlet opening of the further chamber, the outlet opening of the first chamber leading to the fur- ther chamber.
471958
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
S.a.c.e. S.p.a. Costruzioni Elettromeccaniche
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