Stator of a variable-geometry axial turbine for aeronautical applications
CA 2385840 A1 · Owner: Fiatavio S.P.A. · Inventors: Spano, Ennio; Schipani, Claudia; Dalle Crode, Domenico
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
13-, A stator of a variable-geometry axial turbine for aeronautical applications has an axis and is provided with an annular duct that has a diameter increasing along the axis is, delimited radially by an outer surface and by an inner surface and houses an array of airfoil profiles; the profiles are rotatable relative to the outer and inner surfaces about respective axes of adjustment incident to the axis of the stator and each have an associated pair of end edges opposite each other and each coupled glidably with an associated shaped zone of the outer and inner surfaces, each shaped zone has a form complementary to an ideal surface generated by rotation of the associated end edges about …
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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 May 10, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 2024.
- 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.