Interrupter with chamber pressurized by breakdown of arc quenching fluid
CA 1249004 A · Owner: S.A.C.E. S.P.A. Costruzioni Elettromeccaniche · Inventors: Talpo, Gianpietro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
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 bearing 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 …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 17, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.