Device for controlling clearance in a gas turbine
CA 2560227 C · Owner: Philippot, Vincent · Inventors: Denece, Franck Roger Denis; Philippot, Vincent
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The turbine housing (10) features a circumferential wall (22) which coaxially surrounds a ring (30) surrounding the mobile blades (32) of the turbine. It includes a plurality of perforations (12) which brings air in to evenly ventilate the external face (22 e) of the circumferential wall (22).
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 September 20, 2006 and granted September 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 20, 2026.
- 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.