Igniton device for an i.c. engine
CA 1238079 A · Owner: Aktiebolaget Electrolux · Inventors: Andreasson, Bo C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A microcomputer is used in the invention for the control of the ignition function of an ignition system of an i.c. engine. The limitation of r.p.m. of the engine at high r.p.m. is brought about by an acurately developed procedure of delayed ignition in two steps. The control of ignition timing is carried out by means of timer pulses between reference points, whereby the number of pulses between such points constitutes an address of a position in the ROM of the computer, where a reference number of the ignition time is stored. A delayed ignition can be programmed in the memory so that the ignition characteristic gets the shape shown in the Figure. In manufacturing of a great assortment 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
- Granted June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- 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.