Apparatus and process for treatment of exhaust gases from internal combustion engines

Claim 1

IN COMBINATION WITH IN INTERNAL COMBUSTION ENGINE A CONDUIT FOR CONVEYING EXHAUST GASES FROM THE ENGINE TO AN EXHAUST PURIFIER, THE IMPROVEMENT WHICH COMPRISES A COMBUSTION CHAMBER WITH AN INLET AND AN OUTLET, A REFRACTORY MATERIAL DISPOSED WITHIN THE COMBUSTION CHAMBER TO PROVIDE COMBUSTION SURFACES IN THE COMBUSTION CHAMBER AND THROUGH WHICH THE EXHAUST GASES ARE PASSED FROM THE INLET, MEANS TO SUPPLY A CONTROLLED FORCED FLOW OF AIR AND SEPARATE MEANS TO SUPPLY A CONTROLLED FLOW OF FUEL WHICH IS AT LEAST IN PART OF THE TYPE AND FROM A SOURCE, SUPPLIED TO THE SAID ENGINE TO THE COMBUSTION CHAMBER, MEANS FOR MIXING THE EXHAUST GASES, THE AIR AND THE FUEL LOCATED AT THE INLET OF THE COMBUSTION CHAMBER AND BEFORE ENTERING THE SAME, A SPARK PLUG LOCATED IN THE INLET SIDE OF THE COMBUSTION CHAMBER TO IGNITETHE COMBUSTIBLE MATERIALS ENTERING THE CHAMBER, MEANS FOR COOLING THE HIGHLY HEATED COMBUSTION PRODUCTS BY DIRECT HEAT EXCHANGE WITH INCOMING AIR AND FOR SIMULTANEOUSLY PREHEATING THE AIR AND MEANS FOR DISCHARGING THE PURIFIED EXHAUST INTO THE ATMOSPHERE.