Spark advance control device for engine equipped with egr system
CA 1078685 A · Owner: Nissan Motor Co. Ltd. · Inventors: Aoyama, Syunichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An engine is equipped with an EGR system in which the amount of recirculated exhaust gases is controlled in response to an intake vacuum in an intake passage. The spark timing of the engine is controlled to advance in accordance with the increase of the amount of the recirculated exhaust gases so as to maintain stable engine running even under a considerably high EGR rate. - 1 -
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 3, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 1997.
- 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.