Air core reactor
CA 1065028 A · Owner: Trench Electric Limited · Inventors: Dudley, Richard F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air core reactor having a first major coil section with coil windings circumscribing a central air core and extending therealong and a second minor coil section arranged coaxially therewith and mounted thereon, said minor coil section having a coil winding spirally circumscribing the longitudinal axis of the air core. The coil winding of the minor coil section can be tapped at different positions for connecting selected portions of such winding in series with the windings of the main coil. The main coil section preferably consists of two or more rigid sleeve-like coil units disposed in concentric radially spaced relation between a pair of spiders which in turn are connected to the …
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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 October 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 1996.
- 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.