Two-stroke engine piston bowl configurations
CA 2221696 A1 · Owner: Jorgensen, Erik R. · Inventors: Hellmich, Wolfram; Niemchick, Robert L.; Jorgensen, Erik R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An internal combustion engine (11) comprises an engine block (13) having a cylinder (17), a cylinder head (21) fixed to the block and a piston (31), defining a combustion chamber (51). The piston face (37) has a bowl (39) with a cylindrical wail (41) extending about an axis (43) inclined in relation to the cylinder axis (19). A fuel injector nozzle (55) is mounted in the cylinder head (21) at an inclined angle to the cylinder axis (19) and a spark plug (71) is mounted at an inclined angle to the cylinder axis (19) on the opposite side of the cylinder (17) from the fuel injector nozzle (55). Fuel injected into the combustion chamber (51) is reflected by the bowl (39) in the direction of …
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 March 19, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 19, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 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.