Burner for flame cultivators

Claim 1

A BURNER ASSEMBLY FOR USE IN A FLAME CULTIVATOR COMPRISING A HOLLOW BODY MEMBER OPEN AT A FORWARD END, CLOSED AT THE OPPOSITE REAR END AND INCLUDING IN ORDER FROM SAID OPEN FORWARD END A COMBUSTION CHAMBER AREA, INTERMEDIATE VENTURI PORTION AND FUEL-AND-AIR MIXING CHAMBER, AN AIR INTAKE TUBE EXTENDING VERTICALLY FROM SAID BODY MEMBER AT THE IMMEDIATE REAR OF SAID BODY MEMBER AND COMMUNICATING DIRECTLY WITH THE INTERIOR OF SAID FUEL-AND-AIR MIXING CHAMBER REARWARDLY OF SAID VENTURI PORTION, SAID AIR INTAKE TUBE TERMINATING AT THE UPPER END SUBSTANTIALLY ABOVE THE BODY MEMBER TO PROVIDE A RELATIVELY UNCONTAMINATED SUPPLY OF COMBUSTION AIR WHICH WILL BE DIRECTLY INSPIRED INTO THE REAR PORTION OF SAID FUEL-AND-AIR CHAMBER BY SAID VENTURI PORTION, A VAPORIZATION CHAMBER OVERLYING THE UPPER SURFACE OF SAID COMBUSTION CHAMBER AREA ATH THE UPPER SURFACE OF SAID BODY MEMBER AND SUBJECT TO THE HEAT GENERATED THEREIN, A FUEL INLET TUBE DIRECTLY EXTENDING TO AND COMMUNICATING WITH SAID VAPORIZATION CHAMBER FOR DIRECTING LIQUID FUEL THERETO, A VAPORIZED-FUEL OUTLET TUBE COMMUNICATING WITH THE REAR OF SAID VAPORIZATION CHAMBER AND EXTENDING TRANSVERSELY THROUGH THE LOWER END OF SAID AIR INTAKE TUBE AND TERMINATING EXTERIORLY AT THE REAR OF SAID BODY MEMBER, AND A COUPLING ASSEMBLY INCLUDING A FUEL ORIFICE CONNECTED TO SAID VAPORIZED-FUEL OUTLET TUBE, SAID FUEL ORIFICE EXTENDING DIRECTLY INTO SAID FUEL-AND-AIR MIXING CHAMBER AT THE REAR OF SAID BODY MEMBER REARWARDLY OF SAID VENTURI PORTION AND IN INTERSECTING RELATION OF THE LOWER END OF SAID AIR INTAKE TUBE, WHEREBY AIR DIRECTED ONTO SAID TRANSVERSE VAPORIZED-FUEL OUTLET TUBE AND FUEL ORIFICE CAUSES TURBULENCE AND COMPLETE MIXING OF SAID VAPORIZED FUEL AND AIR.