Oil circuit for twin cam internal combustion engine
CA 2491386 A1 · Owner: Richards, Robert W. · Inventors: Bonde, Kevin G.; Richards, Robert W.; Rotter, Terrence M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An internal combustion engine (100), and method of distributing lubricant within an internal combustion engine (100) are disclosed. The internal , combustion engine (100) includes a crankcase (110) having a floor (390) a , pump (412) supported by the floor (390) and a camshaft (410). The pump (412) , includes an inlet and an outlet. The camshaft (410) has a cam (360) first and , second camshaft ends, and an internal channel (500) extending within the camshaft between the ends. The first end is supported by the pump or the floor. Rotation of the camshaft causes the pump to draw in lubricant via the inlet and to pump out at least some of the lubricant via the outlet. The outlet is …
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 June 26, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2025.
- 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.