Exhaust and muffling system for marine engines

Claim 1

IN AN EXHAUST SYSTEM FOR AN INTERNAL COMBUSTION ENGINE MOUNTED WITHIN THE HULL OF A MARINE CRAFT SO AS TO BE DISPOSED BELOW THE WATER LINE WHEN THE CRAFT IS AFLOAT, AN EXHAUST LINE ADAPTED TO BE CONNECTED TO THE ENGINE FOR CARRYING OFF COMBUSTION GASES, A LIQUID LINE FOR CONNECTION TO THE ENGINE FOR CARRYING OFF ENGINE COOLANT LIQUID, A MUFFLER DRUM HAVING A BOTTOM AND ADAPTED TO BE DISPOSED BESIDE THE ENGINE AND BELOW THE WATER LINE, A FLUID DISCHARGE LINE HAVING A SINGULAR INTERNAL PASSAGEWAY AND HAVING ONE END CONNECTED TO SAID EXHAUST LINE AND SAID LIQUID LINE TO RECEIVE AND INTERMIX IN SAID PASSAGEWAY FLUIDS THEREFROM AND THEN EXTENDING AWAY AND DOWNWARDLY FLUIDS THEREFROM AND THEN EXTENDING AWAY AND CONNECTED TO THE DRUM TO BE IN OPEN COMMUNICATION THEREWITH TO DISCHARGE SAID INTERMIXED FLUIDS INTO THE DRUM SO THAT THE LIQUIDS FALL UPON THE BOTTOM THEREOF, AN UPRIGHT IMPERFORATE WALLED STACK ON THE DRUM EXTENDING DOWNWARDLY INTO THE DRUM AND HAVING ITS LOWER OPEN END DISPOSED WITHIN THE DRUM BELOW SAID OTHER END OF THE FLUID DISCHARGE LINE SPACED RELATION TO THE DRUM BOTTOM AND ITS UPPER END DISPOSED ABOVE THE WATER LINE, CONDUIT MEANS CONNECTED TO THE UPPER END OF THE STACK AND EXTENDING THROUGH THE HULL ABOVE THE WATER LINE, AND THE SPACE WITHIN THE DRUM BETWEEN CONNECTION OF THE FLUID DISCHARGE LINE TO THE DRUM AND THE LOWER OPEN END OF THE STACK BEING UNENCUMBERED WHEREBY AS THE LIQUID ON THE BOTTOM RISES TOWARD SAID LOWER OPEN END OF THE STACK A PRESSURE DIFFERENTIAL WILL BE SET UP BETWEEN THE DRUM INTERIOR AND THE STACK INTERIOR SO THAT THE KINETIC ENERGY OF THE COMBUSTION GASES WILL CARRY PORTIONS OF THE LIQUID UPWARDLY THROUGH THE STACK AND OUT THE CONDUIT MEANS.