Gear type of rotor for inductor motor
CA 2115481 A1 · Owner: Zafiroff, Slavtcho · Inventors: Zafiroff, Slavtcho
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is known that the three-phase squirrel-cage motor consists mainly of Stator and Rotor. In the Stator three separate inductive windings are placed in such a way that the space angle between every two of them equals to 120 electrical degrees.The Stator Core is built up of steel laminations and has Slots ( fig.1,p.7) on the inner periphery in which the windings are placed.
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 February 11, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 2016.
- 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.