Automatic decompression valve for an internal combustion engine
CA 2282992 A1 · Owner: Aktiebolaget Electrolux · Inventors: Edlund, Dag; Engman, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic valve for reducing compression in order to facilitate starting of a , two-stroke internal combustion engine comprises a movable valve means (25) adapted to, control a gas flow through an opening (16) provided in a wall of the combustion chamber, of the engine. A spring (27) is adapted to move the valve means (25) to an open, position, and a drive means actuated by an underpressure is adapted to move the valve, means (25) to a closed position against the action of the spring (27). According to the, invention, the drive means comprises a cylinder (18) a piston (19) movable in , said, cylinder (18) and connected to said valve means (25) and a conduit (22) , connecting, said …
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
- Filed September 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 22, 2021.
- 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.