Wind energy convertor
CA 1114296 A · Owner: Brzozowski, Witold · Inventors: Brzozowski, Witold
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The disclosure relates to a wind energy convertor comprising one or more vanes adapted to rotate about a common axle. The vanes are spaced from the axle and each vane has its own axis around which it is adapted to rotate the axis being, closer to one side of the vane. Means engageable and lockable with the oscillating vanes are provided to permit only limited rotary movement of each of the vanes around its own axis in such a way that the wind acting on the vanes when the means are locked creates a torque around the common axle in the direction of its rotation. Similar lockable means can also be used with stationary vanes of a special air foil cross section which lock the, vanes fixedly on …
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 December 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 1998.
- 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.