Control system for internal combustion engines
CA 2269265 C · Owner: Weiss, Heinz · Inventors: Burk, Ronnie Franklin; Weiss, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A control system for internal combustion engines of an agricultural tractor include a, memory unit in which is stored engine performance maps. The control system includes a, vehicle speed sensor and transmits control signals to an electronically controlled fuel, injection system to control the fuel injection quantity as a function of sensed speed, target, value inputs and as a function of the engine performance maps. The control system, in, response to sensed vehicle speed limits the maximum engine output as a function of the, vehicle speed. In particular at lower vehicle speeds the engine output is limited to a level, which is lower than the rated engine output.
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 April 29, 1999 and granted April 16, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 29, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 29, 2021.
- 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.