Radio frequency interference radiation suppressing ignition system
CA 1208280 A · Owner: Nissan Motor Co. Ltd. · Inventors: Sone, Masazumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For an ignition system including an ignition coil, a distributor, and spark plugs, several measures are taken to suppress radio frequency interference radiation therefrom. The distributor has a rotor segment with its output tip surface formed of conductive and dielectric materials separately disposed from each other. Each of the spark plugs includes a monolithic resistor connected between its input terminal and its center electrode. The spark plugs are connected to the distributor through respective first cables each including a carbon impregnated conductive wire covered with an insulating sheath. The ignition coil is connected to the distributor through a second cable including a carbon …
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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 July 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
- 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.