Chamber for portable assembly of section switch operation
CA 1255350 A · Owner: Lorenzetti - Inebrasa S/A. · Inventors: Echeverria, Julio A.; Heyde, Hans H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention deals with a new chamber meant to be used in insulating operation shafts or rods, with a view to disconnect electric switches, connect them again, or, besides to act as contactors, so as to, extinguish the electric arc formed during the operation specially in medium, and high voltage overhead lines. In its general lines the innovation con-, sists in a chamber for breaking and/or re-connecting of section switches quencher of electric arc formed by an insulated body in the interior of which there is arranged an actuating movable contact in one or two fixed contacts this movable contact being driven by a shaft provided in the chamber and tripped by a spring assembly provided in …
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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 June 6, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 6, 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.