Two-spool turboshaft engine with means of power take-off on the low pressure and high pressure rotors, power take-off module for the turboshaft engine and process for mounting the turboshaft engine
CA 2536129 C · Owner: Snecma · Inventors: Morel, Patrick Charles Georges; Beutin, Bruno Albert; Bart, Jacques Rene
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a two-spool turboshaft engine comprising a high-pressure (2) rotor and a low-pressure rotor (1) at least one accessory gearbox, one drive means driving coaxial transmission movement shafts (11 12) towards the accessory gearbox, characterised by the fact that the transmission means includes a high-pressure drive pinion (9) integrated into the high-pressure rotor (2) in the vicinity of its upstream extremity a low-pressure drive pinion (7), integrated into the low-pressure rotor (1) upstream of the high-pressure rotor (2) and a power take-off module (29) directly geared to the drive pinions, driving the movement transmission shafts (11 12). By virtue of the invention, …
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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 February 10, 2006 and granted October 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 10, 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.