Method for controlling flux of electromagnet and an electromagnet for carrying out said method (varients)
CA 2472024 A1 · Owner: Babich, Nikolai Sergeevich · Inventors: Babich, Nikolai Sergeevich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The group of inventions relates to magnetic systems in particular to a method , for controlling the flux of electromagnet and to the structural design of an electromagnet which is used for carrying out said method. The inventive structures of the electromagnet can be mainly used for electromechanical actuating devices and comprise a magnetic coil provided with a composite magnetic core made at least partially of hard-magnetic material and provided at least with one air gap. The novelty of the invention lies in that the composite magnetic core is embodied in such a way that it has at least two stable magnetic states, said magnetic core has each said state (the air gap being …
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 December 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 26, 2024.
- 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.