Process for air circulation in a turbine engine compressor, compressor arrangement putting it into play, stage of compression and compressor comprising such an arrangement, and aircraft engine equipped with such a compressor
CA 2521983 C · Owner: Snecma · Inventors: Lardellier, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For the compression stage of a compressor including several stages of compression 5 (28) including: mobile (14) and fixed (26) wheels outer (8) and inner (4) casings delimiting a vein (10) having an outer (34) and an inner (36) vein the process includes an operation where air is suctioned into the inner vein from where it is sent to a fixed blade on the said fixed wheel and an operation where the air from the said fixed blade is bled then discharged outside the compressor. The arrangement of the compressor for implementing the process includes the means to suction (42 44) and the means to bleed (48, 50).
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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 September 29, 2005 and granted June 18, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 29, 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.