Additives to fuel

Claim 1

APPARATUS FOR PREPARING AND BURNING AN ASH-BEARING PETROLEUM FUEL OIL WHICH COMPRISES WALLS DEFINING A COMBUSTION CHAMBER; A SOURCE OF PETROLEUM FUEL OIL; MEANS CONNECTING SAID SOURCE AND SAID COMBUSTION CHAMBER FOR FUEL OIL FLOW TO THE LATTER; TANK MEANS; MEANS FOR WITHDRAWING A SMALL QUANTITY OF SAID FUEL OIL FROM SAID CONNECTING MEANS AND DISCHARGING THE OIL TO SAID TANK MEANS; MEANS FOR INTRODUCING A FINELY DIVIDED ADDITIVE TO SAID TANK TO FORM A SLURRY WHEREIN SAID ADDITIVE CONSISTS OF A METAL COMPOUND CONTAINING AT LEAST ONE OF THE METALS ALUMINUM, MAGNESIUM AND CALCIUM; MEANS FOR MECHANICALLY AGITATING SAID SLURRY TO MAINTAIN SAID FINELY DIVIDED ADDITIVE IN OIL SUSPENSION; A PIPE CONNECTING SAID TANK TO SAID FUEL OIL FLOW MEANS FOR ADDING A CONTROLLED STREAM OF SAID SLURRY TO THE FUEL OIL DELIVERED TO SAID COMBUSTION CHAMBER; AND PROPORTIONING PUMP MEANS ARRANGED TO DELIVER SAID SLURRY TO SAID FUEL FLOW MEANS FROM SAID TANK AT A RATE SUFFICIENT TO PROVIDE AN ADDITIVE WEIGHT ADDITION TO THE FUEL OIL DELIVERED TO SAID COMBUSTION CHAMBER SUBSTANTIALLY EQUAL TO THE WEIGHT OF NATURAL ASH IN THE FUEL OIL.