Internal turbine engine crankcase fitted with heat shield
CA 2537672 C · Owner: Dos Santos, Kevin · Inventors: Agneray, Xavier; Le Hong, Son; Dos Santos, Kevin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention concerns the improvement of play (12) between a crankcase and the mobile blades (11) of a turbine engine rotor (10) particularly a crankcase so intended, as well a turbine engine equipped with such a crankcase. The invention specifically applies to aircraft turbojet engines. More specifically it pertains to an inner turbine engine crankcase (21) comprising a plurality of annular ferrules (23) equipped with flanges (24) linking two ferrules (23) adjacent to one another. According to the invention this inner crankcase (21) also features: .cndot. at least one circumferential heat shield (5) covering the flanges (24) in contact with two adjacent ferrules (23) and .cndot. a cavity …
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 February 24, 2006 and granted October 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 24, 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.