Internal combustion engine
CA 1106765 A · Owner: Toyota Jidosha Kabushiki Kaisha · Inventors: Onishi, Sigeru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an internal combustion engine capable of creating an active thermoatmosphere in the combustion chamber at the beginning of the compression stroke. The active thermoatmosphere continues to be maintained during the compression stroke when the engine is operating under a partial load. The self ignition of the active thermoatmosphere is caused in the vicinity of the top dead center.
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 August 11, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 1998.
- 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.