Ultra high-speed circuit breaker with galvanic isolation
CA 2024645 A1 · Owner: Perichon, Pierre · Inventors: Perichon, Pierre; Pion-Roux, Gerard; Morel, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circuit breaker (10) comprises a static switch (12) electrically connected in series with a disconnecting switch (14) having an operating mechanism (46) with a handle (48) to close and open a system of main contacts (16 18). A voltage, sensor (50) comprises an electromagnet (52) with a moving core (54) capable of occupying an active locking position and an inactive unlocking position of the mechanism (46) respectively, in the on state and in the off state of the switch (12). Opening of the disconnecting switch (14) is inhibited if voltage is present on the output terminals (26, 28). Refer to figure 1.
Read the whole patent
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
- Filed September 5, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 5, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 5, 2012.
- 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.