Oil burner spray nozzle

Claim 1

A BURNER NOZZLE COMPRISING AXIAL AND SWIRL CHAMBER MEANS, SECOND CHAMBER MEANS OF SUBSTANTIALLY CYLINDRICAL CONFIGURATION DISPOSED FORWARDLY WITH RESPECT TO SAID SWIRL CHAMBER MEANS, SAID SWIRL CHAMBER MEANS HAVING AT ITS FORWARD END AXIAL DISCHARGE ORIFICE MEANS WITH THE SURFACE OF SAID DISCHARGE ORIFICE MEANS BEING CURVED AND TAPERED OUTWARDLY IN THE DIRECTION OF SAID SECOND CHAMBER MEANS AND BEING IN UNOBSTRUCTED COMMUNICATION WITH SAID SECOND CHAMBER MEANS FOR DISCHARGING A SWIRLING DISTINCTLY CONICAL OIL SPRAY FROM SAID SWIRL CHAMBER MEANS THROUGH SAID SECOND CHAMBER MEANS WITHOUT INTERFERENCE OR OBSTRUCTION AND WITHOUT SUBSTANTIAL CONTACT WITH SAID NOZZLE SO THAT SAID CONICAL OIL SPRAY ASPIRATES A STREAM OF AIR THROUGH SAID SECOND CHAMBER MEANS FROM THE REARWARD END TO THE FORWARD END THEREOF, AIR PASSAGEWAY MEANS OPEN AT ONE END TO THE EXTERIOR OF SAID NOZZLE AND OPEN AT THE OTHER END IN THE DIRECTION OF SAID SECOND CHAMBER MEANS FOR CHANNELING AIR INTO SAID SECOND CHAMBER MEANS, SAID AIR PASSAGEWAY MEANS HAVING SUBSTANTIALLY THE CONFIGURATION OF VENTURI MEANS WHOSE AXIS IS SUBSTANTIALLY TRANSVERSE TO THE AXIS OF SAID NOZZLE, SAID VENTURI MEANS TERMINATING WITH OPENING MEANS AT THE THROAT THEREOF FACING TOWARD SAID NOZZLE AXIS IN A DIRECTION SUBSTANTIALLY TRANSVERSE TO SAID NOZZLE AXIS, THE REARWARD PORTION OF THE WALL DEFINING SAID VENTURI THROAT AND THE FORWARDMOST PORTION OF SAID CURVED AND TAPERED SURFACES OF SAID DISCHARGE ORIFICE LYING ON SUBSTANTIALLY A COMMON PLANE WHICH IS SUBSTANTIALLY TRANSVERSE WITH RESPECT TO SAID NOZZLE AXIS, SAID CYLINDRICAL SECOND CHAMBER MEANS HAVING A DIAMETER WHICH IS SUBSTANTIALLY GREATER THAN THE LENGTH THEREOF AND WHICH IS SUFFICIENTLY LARGE FOR THE CONICAL SPRAY FROM THE SWIRL CHAMBER MEANS TO PASS THROUGH WITHOUT SUBSTANTIALLY CONTACT WITH THE WALLS OF SAID SECOND CHAMBER MEANS AND FOR THE AIR STREAM FLOWING THROUGH SAID VENTURI THROAT TO ADMIX WITH SAID OIL SPRAY.