Sealing system for the rear lubrication chamber of a turbojet
CA 2554933 C · Owner: Snecma · Inventors: Rousselin, Stephane; Bart, Jacques Rene
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Recovering oil around the lubrication chamber of the rear bearing of a turbojet shaft. According to the invention the shaft (14) is supported by a bearing (20) located in a lubrication chamber (24) surrounded by a single recovery chamber (26) and containing a sealing joint (48) located downstream from the turbine rotor (12) driving the shaft.
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 1, 2006 and granted May 20, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 1, 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.