Method for enhanced split injection in internal combustion engines
CA 2291635 A1 · Owner: Thomas, Eric D. · Inventors: Thomas, Eric D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for controlling a compression-ignition internal combustion engine (12) which provides delivery of multiple fuel injection pulses per cylinder firing with precision of pulse quantities separation, and timing adequate for , transition between split and single injection at any speed and load without , disturbing the primary engine controller (22). The method compensates for variable operating conditions such as supply voltage injection pressure, injection pulse separation and injector (14) actuation latency or rise-time.
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 2, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 2, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 2020.
- 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.