Rotor blade for a first phase of a gas turbine
CA 2518558 C · Owner: Nuovo Pignone S.P.A. · Inventors: Sassanelli, Giuseppe; Boncinelli, Marco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Blade (1) of a rotor for a first phase of a gas turbine having a profile identified by means of a series of closed intersection curves (20) between the profile itself and planes (X,Y) lying at distances (Z) from the central axis each closed curve (20) has a first rounded end (21) and a second rounded end (22) which connect the trace of the first surface (3) with the trace of the second surface (5) in depression the first end (21) first meets a gas flow of the turbine each closed curve (20) has an axial chord (40) defined as the maximum distance of the first end (21) from the second end (22) along the axis (X) each closed curve (20) has a thickness (30) of the first end (21) defined as the …
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 September 8, 2005 and granted January 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 8, 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.