Airfoil axial retaining ring locking device, the associated rotor disk and retention ring, and the rotor and aircraft engine comprising them
CA 2557765 C · Owner: Snecma · Inventors: Bromann, Alain Marc Lucien; Boston, Erick Jacques; Eichstadt, Frederic Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The rotation locking device for a retaining ring (20) on a rotor disk (10) includes: a first (162 262) and a second (164, 264) successive locking hooks for the disk (10) at least one cleat (302, 304, 306) of the said retaining ring (20) positioned close to a slit (24) on the ring (20). The position of the said at least one cleat (302 304, 306) on the said retaining ring (20) is such that when the said retaining ring (20) is in place in a groove (22) located on the rotor disk (10) the said at least one cleat (302, 304, 306) is butted up against the said first locking hook (162 262) and the slit (24) is covered by the said second locking hook (164 264).
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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 28, 2006 and granted July 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 28, 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.