Radial turbine wheel
CA 2207140 A1 · Owner: Alcatel · Inventors: Fally, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a radial turbine wheel comprising: a wheel body (2) of a generally truncated conical or equivalent shape having a small base (3), a large base (4) and a lateral surface (5); and blades (6) emerging radially from the lateral surface (5) of said wheel body (2). According to the invention the wheel comprises: an axial extension (7) from the small base (3) of the wheel body (2) extending beyond a transversal plane (8) of the end of the blades (6); at least one part of the lateral surface (5) made up of an axial run-out (9); and an axial hub (10); said part of lateral surface (5) made up of an axial run-out (9) and said axial hub (10) defining an annular axial groove (11) …
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 May 22, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 22, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 2019.
- 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.