Low cost gas turbine combustor construction
CA 2525004 C · Owner: Pratt & Whitney Canada Corp. · Inventors: Markarian, Lorin; Patel, Bhawan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gas turbine engine comprising an annular reverse-flow combustor having a sheet metal combustor wall between a long exit duct portion and a small exit duct , portion of the combustor. An exit duct portion of the combustor forms a sliding joint , with a downstream turbine vane assembly and has at least two discrete sheet metal , walls fastened to the sheet metal combustor wall at a common intersection region.
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 October 31, 2005 and granted March 10, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 31, 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.