Chevron film cooled wall
CA 2504165 C · Owner: General Electric Company · Inventors: Bunker, Ronald Scott; Lee, Ching-Pang; Brassfield, Steven Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wall (32) in a gas turbine engine includes inner and outer surfaces (34,36) having a row of compound chevron film cooling holes (38) extending therethrough. The chevron holes (38) diverge both longitudinally and laterally between an inlet (40) at the wall inner surface (34) and a chevron outlet (42) at the wall outer surface (36).
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 April 14, 2005 and granted March 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 14, 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.