Low throttled volume engine
CA 1134686 A · Owner: General Motors Corporation · Inventors: Bakonyi, Stephen M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A four-stroke cycle spark ignition internal combustion engine having an individual throttle valve for each combustion chamber closely upstream of intake valve port thereto for reducing the pumping loss and cooperating with divided intake passages of different flow areas downstream of the throttle valve to increase and maintain the velocity of the air-fuel mixture into the combustion chamber at small throttle openings.
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 November 2, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 1999.
- 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.