Gas turbine braking apparatus and method
CA 2577832 C · Owner: Trumper, Ronald F. · Inventors: Anderson, Stephen Arthur; Dooley, Kevin Allan; Brand, Joseph H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A braking apparatus (34) for an aircraft gas turbine engine (10) the engine , having concentric first and second shafts (22 26) with first and second , turbine stages and first and second compressor stages respectively mounted thereto, the braking apparatus comprising an extension (44) with a frustoconical braking surface (50) at the rear end portion of the first shaft and a complementarily shaped second braking surface (52) on a casing mounted member (38) that is movable towards the braking surface (50) by means of an actuator. The apparatus serves to a) stop rotation of de-coupled turbine rotor in the event of accidental shaft breakage or de-coupling during in-flight operation of …
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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 18, 2005 and granted July 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 18, 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.