Combustion system for internal

Claim 1

A COMBUSTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING A MAIN COMBUSTION CHAMBER, SAID SYSTEM COMPRISING AN AUXILIARY COMBUSTION CHAMBER HAVING AN APERTURE COMMUNICATING WITH THE MAIN COMBUSTION CHAMBER, AN AUXILIARY CARBURETOR FOR SUPPLYING AN UNTHROTTLED RELATIVELY RICH AUXILIARY FUEL-AIR MIXTURE TO SAID AUXILIARY COMBUSTION CHAMBER, AN INLET VALVE IN SAID AUXILIARY COMBUSTION CHAMBER FOR CONTROLLING THE FLOW OF THE RELATIVELY RICH AIR-FUEL MIXTURE THEREINTO, A RECESSED CHANNEL IN SAID AUXILIARY COMBUSTION CHAMBER ADJACENT SAID INLET VALVE AND APERTURE FOR TRAPPING A PORTION OF THE FUEL IN SAID AUXILIARY AIR-FUEL MIXTURE, A SECOND CARBURETOR FOR SUPPLYING A RELATIVELY LEAN AIRFUEL MIXTURE TO SAID MAIN COMBUSTION CHAMBER RELATED TO ENGINE LOAD, A SECOND INLET VALVE FOR INTRODUCING SAID RELATIVELY LEAN AIR-FUEL MIXTURE INTO THE MAIN COMBUSTION CHAMBER, AND A SPARK PLUG IN SAID AUXILIARY COMBUSTION CHAMBER FOR IGNITING THE MIXTURE THEREIN, FLOW OF SAID RELATIVELY LEAN AIR-FUEL MIXTURE FROM SAID MAIN COMBUSTION CHAMBER TO SAID AUXILIARY COMBUSTION CHAMBER PICKING UP A PORTION OF THE FUEL IN SAID CHANNEL TO PRESENT A COMBUSTIBLE AIR-FUEL MIXTURE TO SAID SPARK PLUG, IGNITION OF SAID COMBUSTIBLE MIXTURE EFFECTING IGNITION OF THE RELATIVELY LEAN MIXTURE IN THE WORKING CYLINDER OF THE ENGINE.