Air turbine for combustion engine
CA 2438535 A1 · Owner: Ttr Hp, Inc. · Inventors: Cummings, Craig; Sutera, Anthony J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air turbine apparatus (10) for use with a combustion engine either as a muffler or as an air intake device is comprised of a housing (12) defining an expansion chamber (20) and an airfoil (50) positioned within the housing (12). The airfoil (50) includes a central aperture (52) extending longitudinally there through that is in fluid communication with both the inlet (18) and the outlet (16) of the housing (12). The airfoil (50) is configured to allow gases flowing through the inlet (18) to flow between the outer edge of the airfoil (50) and the housing (12) and through the aperture (52) of the airfoil (50). In addition, the air travelling through the housing (12) is caused to …
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 February 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 15, 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.