Vertical axis wind turbine
CA 1263940 C · Owner: Von Gasenzer, Baron Wolfgang Freiherr Satura · Inventors: Von Gasenzer, Baron Wolfgang Freiherr Satura
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vertical axis wind turbine has an open rigid frame structure. A rotor assembly has upper and lower face plates each having a stub shaft protruding therefrom along a central axis for rotatably mounting the rotor assembly within the open rigid frame structure. A pair of vertically stacked angularly offset S-shaped rotors are rigidly interconnected and mounted for rotation about a vertical axis within the open frame structure. Each of the rotors has a smooth continuous profile extending completely across the rotor assembly without interruption, the profile being defined by a pair of oppositely directed cup portions meeting at the central axis and extending outwardly therefrom to the …
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 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 19, 2006.
- 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.