Fuel saving

Details Fuel saving Fuel saving

F - Mech Eng,Light,Heat,Weapons

02

M

123/98.04

F02M 25/06 (2006.01) F02M 23/08 (2006.01) F02M 25/07 (2006.01)

Patent

CA 1121676

A B S T R A C T The invention provides a method of, and apparatus for, controlling the fuel to air ratio of the fuel mixture to an internal combustion engine which includes a fuel mixture feed system having a known type of carburettor. In the method the fuel mixture is supple- mented with air and exhaust gas by utilizing pressure controlled air and exhaust gas valves operated by pressure changes in the fuel feed system and/or intake manifold of the engine so that the valves open when the fuel to air ratio of the fuel mixture supplied by the carburettor is in excess of a predetermined value.

340786

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