Carburetor

Claim 1

A CARBURETOR COMPRISING A FUEL BOWL, A COVER FOR THE BOWL, TWO TUBES EACH CONSTITUTING A MIXTURE CONDUIT LOCATED IN SIDE-BY-SIDE RELATION ON TOP OF THE COVER, A SADDLE EXTENDING ACROSS THE TUBES, MEANS FOR FASTENING THE SADDLE ON THE TUBES AND FOR FASTENING THE TUBES ON TOP OF THE COVER AND PROVIDING A PORTION OF RESTRICTED CROSS-SECTIONAL AREA IN EACH TUBE COMPRISING TWO TUBULAR FASTENER ELEMENTS, EACH EXTENDING DOWNWARD THROUGH THE SADDLE, ACROSS A RESPECTIVE TUBE, THROUGH THE COVER AND DOWN INTO THE BOWL, EACH FASTENER ELEMENT HAVING A METERING JET THEREIN ADJACENT ITS LOWER END IN THE BOWL FOR FLOW OF FUEL THROUGH SAID JET TO THE RESPECTIVE TUBE, SAID SADDLE BEING FORMED TO PROVIDE A VERTICAL VACUUM CYLINDER BETWEEN THE TUBES, SAID CYLINDER HAVING A VACUUM PORT AT ITS LOWER END, MEANS FORMING AN AIR PASSAGE HAVING ONE END CONNECTED TO SAID VACUUM PORT AND THE OTHER END THEREOF POSITIONED FOR CONNECTION TO SAID ENGINE FOR VARYING THE PRESSURE OF AIR WITHIN SAID CYLINDER IN ACCORDANCE WITH ENGINE OPERATION, A PISTON SLIDABLE IN SAID VACUUM CYLINDER AND EXTENDING OUT OF THE TOP OF SAID VACUUM CYLINDER, MEANS BIASING SAID CYLINDER IN UPWARD DIRECTION, A METERING ROD CARRIER ON THE UPPER END OF THE PISTON, AND METERING RODS EXTENDING DOWNWARD FROM SAID CARRIER THROUGH SAID FASTENER ELEMENTS AND METERING JETS.