Carburettors for internal combustion engines
CA 1211665 A · Owner: Brown, Maurice L. · Inventors: Brown, Maurice L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A carburettor for an internal combustion engine has an air passageway in which air flow is controlled by a poppet valve which fuel is fed from a tapered needle controlled valve readily variable for different fuels including CNG LPG, Methanol and petrol. A movable assembly comprises the poppet valve connected to a movable wall the latter, separating a first and a second pressure chamber and a low pressure control valve is manually programable to take up a position relative to the movable assembly preferably the movable wall to control pressure in the first pressure chamber against a balancing pressure in the second pressure chamber and a biasing means to control the position of the poppet …
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 September 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 2003.
- 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.