Combustion control

Claim 1

A COMBUSTION CONTROL FOR AN INTERNAL COMBUSTION ENGINE OF THE CLASS HAVING A COMBUSTION CHAMBER FED WITH A FUEL-MIXTURE AND DISCHARGING EXHAUST GAS, SAID ENGINE HAVING AN INTAKE MANIFOLD TO PROVIDE AN INLET FOR SAID FUEL-AIR MIXTURE TO ENTER SAID ENGINE AND AN EXHAUST MANIFOLD TO PROVIDE AN OUTLET FOR SAID EXHAUST GAS TO LEAVE SAID ENGINE, SAID INTERNAL COMBUSTION ENGINE CREATING PRODUCTS OF COMBUSTION IN SAID COMBUSTION CHAMBER, A CRANKCASE IN SAID ENGINE AND A CRANKCASE BREATHER INCLUDING A BREATHER PIPE EXTENDING FROM SAID CRANKCASE TO RELIEVE GASES THEREIN, SAID CONTROL COMPRISING: AN EXHAUST TUBE IN GASEOUS COMMUNICATION WITH SAID EXHAUST MANIFOLD TO REMOVE A PORTION OF SAID EXHAUST GAS DISCHARGED FROM SAID ENGINE; A CONDUIT CONNECTING THE EXHAUST TUBE AND SAID BREATHER PIPE WITH SAID INTAKE MANIFOLD, A METERING DEVICE IN SAID TUBE ALLOWING A PREDETERMINED GASEOUS FLOW RATE FROM SAID EXHAUST MANIFOLD TO SAID CONDUIT; A RESERVOIR ADAPTED TO CONTAIN A CATALYST SOLUTION; MEANS CONVEYING SAID CATALYST SOLUTION FROM SAID RESERVOIR TO SAID CONDUIT; AND A METERING DEVICE IN SAID MEANS TO ALLOW A PREDETERMINED CATALYST FLOW RATE THEREFROM.