Wind turbine comprising a generator cooling system
CA 2678620 C · Owner: Wobben, Aloys · Inventors: Wobben, Aloys
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention concerns a wind power installation comprising a pylon a pod mounted rotatably on the pylon, a generator arranged within the pod and having a rotor and a stator and at least one fan in the region of the pod. In order to reduce the entry of moisture sand and other foreign substances into the pod and also to reduce the fan noise which reaches the exterior in accordance with the invention there is provided an arrangement of the fan within the pod wherein the fan sucks in outside air through a downwardly open first air gap in particular between the pylon and the pod. In that respect the invention is based on the realisation that the air flow along the wind power …
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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
- Filed September 23, 2005 and granted August 13, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 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.