Active flow modifications on wind turbine blades
CA 2530196 C · Owner: General Electric Company · Inventors: Giguere, Philippe; Saddoughi, Seyed Gholamali; Gupta, Anurag
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wind turbine blade (10) is situated on a wind turbine and includes a side (12) and a tip (15). The blade is configured to rotate about an axis (90) upon an impact of a wind flow (8) on the blade. An active flow modification device (20) is disposed on the blade. The active flow modification device is configured to receive active flow instructions and to modify the wind flow proximate to the blade. The resulting wind turbine blade uses these active flow modifications to achieve reduced loads reduced aerodynamic losses, reduced noise enhanced energy capture, or combinations thereof.
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 December 15, 2005 and granted June 10, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 15, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.