Crankchamber precompression type two-cycle internal combustion engines
CA 1077854 A · Owner: Kawasaki Jukogyo Kabushiki Kaisha · Inventors: Takada, Toshiyuki; Fujikawa, Tetsuzo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Twin cylinder two cycle engine including a pair of stepped cylinders and a pair of stepped pistons slidable in said cylinders defining annular spaces of variable volume in said cylinders. The pistons are interconnected each other with 180° phase difference. Air-fuel mixture introduced into the annular space in one cylinder is forced into the crank-chamber of the other cylinder during the upward stroke of the associated piston so that an additional charge is provided.
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 May 20, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 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.