Compressor with multiple dividers creating an annular volume separating the flow in a turbine engine
CA 2556485 C · Owner: Snecma · Inventors: Bil, Eric; Charier, Gilles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This turbine engine compressor features a separation nozzle (10) extended by inner (12a) and outer (12b) annular dividers cooperatively defining an annular separation volume (V) of a primary flow (F1) and a secondary flow (F2). This volume (V) features a multitude of annular segments forming dividers (20) separated in pairs by the blades (15) of a first fan these blades crossing both the primary flow (F1) and the secondary flow (F2). These dividers (20) are affixed to an upstream annular ferrule (30) and a downstream annular ferrule (40) driven in rotation by the pre-cited blades (15).
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 21, 2006 and granted July 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 21, 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.