Method and system for engine control
CA 2292599 A1 · Owner: Detroit Diesel Corporation · Inventors: Avery, Richard Michael, Jr.; Salter, Douglas Wright
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for reducing cab vibration during engine shutdown in a vehicle (10), including an ICE (12), an engine brake (14) and an electronic , control unit (20) for controlling the engine and the engine brake includes , logic for determining when a shutdown condition is occurring and logic for , generating a control signal to activate the engine brake during the engine shutdown. A plurality of sensors (16), including engine speed sensor (18) connected to the controller (20) via input ports (22). The controller includes a microprocessor (24) connected with memory (26) via bus (28). The activation of the engine brake is performed only after the engine speed has fallen below a …
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 May 6, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 6, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 6, 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.