Carburetor

Claim 1

A CARBURETOR COMPRISING A BODY, A FUEL AND AIR MIXTURE CONDUIT THROUGH THE BODY, A FUEL INLET PASSAGEWAY FORMED IN THE BODY, SAID BODY FORMED WITH A PULSATION PUMP, MEANS FOR PULSING SAID PUMP, SAID PUMP BEING CONNECTED TO A SOURCE OF FUEL AND ADAPTED TO DELIVER FUEL UNDER PRESSURE TO THE FLUE INLET PASSAGEWAY, SAID BODY FORMED WITH A FUEL CHAMBER IN COMMUNICATION WITH THE FUEL INLET PASSAGEWAY, AN INLET VALVE IN SAID FUEL INLET PASSAGEWAY FOR CONTROLLING THE FLOW OF FUEL INTO THE SAID FUEL CHAMBER, MEANS FOR OPERATING SAID INLET VALVE, SAID BODY HAVING A FUEL CONNECTION BETWEEN THE FUEL CHAMBER AND SAID MIXTURE CONDUIT, SAID FUEL CONNECTION INCLUDING AN ENLARGED RECESS OPENING INTO SAID MIXTURE CONDUIT, A MASS OF FUEL ABSORBENT SPONGE MATERIAL FILLING THE INNER EXTREMITY OF SAID RECESS, SAID SPONGE MATERIAL BEING OF POLYURETHANE FOAM AND HAVING ABOUT 60-80 CONNECTED PORES PER INCH WHEREBY TO PERMIT SUBSTANTIALLY FREE FLOW OF FUEL THERETHROUGH SAID SPONGE MATERIAL CAUSING PARTIAL BREAKING UP OF SAID FUEL AS THE FUEL IS EJECTED INTO THE MIXTURE CONDUIT FROM THE NOZZLE.