Engine control circuit for providing a programmed control function
CA 1054215 A · Owner: Chrysler Corporation · Inventors: Crall, Frederick W.; Caron, Laverne A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A control system for an internal combustion engine contains a novel programmed control function circuit which contains: an accumulation function circuit for developing an accumulation function representative of the duration for which the engine has been operating in selected operating modes; a transducer circuit which develops a signal representative of the instantaneous value of a selected engine operating parameter; and a modulation circuit which modulates the two to develop a programmed output signal which is utilized in controlling the engine. In the preferred embodiment, the accumulation function is representative of the duration for which the engine has been operating at idle and …
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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
- Granted May 8, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 1996.
- 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.