Cooling circuit air deflector for gas turbine airfoil
CA 2557112 C · Owner: Snecma · Inventors: Boury, Jacques; Eneau, Patrice; Moreau, Guy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Gas turbine blade including an internal cooling circuit comprised of at least one cavity (24) extending radially between the root (12) and the tip (14) of the blade at least one air intake orifice (34) at a radial extremity of the cavity (24) and at least one air exhaust orifice opening into the cavity and leading to one of the faces (20 22) of the blade. At least one of the walls (24a) of the cavity of the cooling circuit includes at least one air deflector (48) whose shape and dimensions are designed to project the air flowing along the said wall (24a) of the cavity towards an opposite wall (24b) of the said cavity while avoiding reattachment of the boundary layer immediately downstream …
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 August 22, 2006 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 22, 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.