Electrical transformer
CA 1188765 A · Owner: Blain, Aurele J. · Inventors: Blain, Aurele J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE : ELECTRICAL TRANSFORMER, INVENTOR : AURELE J. BLAIN ABSTRACT OF DISCLOSURE, An electrical transformer having a maximum frequency limit of 500 Hertz, comprising of a closed iron channel which surrounds the windings and said channel constitutes the core and, said channel and windings extend to form a square ring. Means are provided to prevent eddy current from flowing length wise in the channel. Said channel is free of lamination. To increase the efficiency of the transformer a capacitor is connected across a secondary winding producing an oscillating flux in the said channel or core that drives the channel below saturation; causing an oscillating flux in the channel that induces an …
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
- Granted June 11, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2002.
- 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.