Nozzle

Claim 1

A BURNER NOZZLE COMPRISING AXIAL SWIRL CHAMBER MEANS, SECOND AXIAL CHAMBER MEANS OF SUBSTANTIALLY CYLINDRICAL CONFIGURATION DISPOSED FORWARDLY WITH RESPECT TO SAID SWIRL CHAMBER MEANS, SAID SWIRL CHAMBER MEANS HAVING AT ITS FORWARD AND 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 OBSTRUCTED 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 WHOSE REARWARD END IS OPEN TO THE EXTERIOR OF SAID NOZZLE AWND WHOSE FORWARD END IS OPEN TO SAID SECOND CHAMBER MEANS FOR CHANNELING AIR INTO SAID SECOND CHAMBER MEANS, SURFACE MEANS DEFINING SAID AIR PASSAGEWAY MEANS WHICH IS CONTINUOUS WITH AND TAPERS REARWARDLY AND OUTWARDLY FROM SAID CURVED AND TAPERED SURFACE OF SAID DISCHARGE ORIFICE MEANS TOWARD THE REARWARD END OF SAID AIR PASSAGEWAY MEANS WITH THE FORWARDMOST PROJECTION OF SAID SURFACE MEANS BEING SUBSTANTIALLY AT THE CURVED AND TAPED SURFACE OF SAID AXIAL DISCHARGE ORIFICE FOR PERMITTING SAID STREAM OF AIR TO APPROACH SAID DISCHARGE ORIFICE FROM THE REAR AND CLOSELY ENCOMPASS THE OIL SPRAY DIRECTLY UPON DISCHARGE OF SAID OIL SPRAY FROM SAID DISCHARGE ORIFICE, FLOW DEFLECTING MEANS HAVING A RELATIVELY SHARP EDGE WHICH IS EXPOSED TO SAID AIR PASSAGEWAY MEANS NEAR THE JUNCTURE OF SAID AIR PASSAGEWAY MEANS AND SAID SECOND CHAMBER MEANS IN THE REGION OF SAID AIR PASSAGEWAY MEANS REMOTE FROM SAID SWIRL CHAMBER DISCHARGE ORIFICE MEANS FOR INDUCING A VENA CONTRACTA IN SAID ASPIRATED AIR STREAM WHICH DEFLECTS THE ASPIRATED AIR STREAM INTO SAID CONICAL SPRAY, SAID CYLINDRICAL SECOND CHAMBER MEANS HAVING A DIAMETER WHICH IS SUBSTANTIALLY GREATER THAN THE LENGTH THEREOF AND WHICH IS SUFFICIENTLY LARGE FOR BOTH THE CONICAL SPRAY FROM THE SWIRL CHAMBER MEANS TO PASS THROUGH WITHOUT SUBSTANTIAL CONTACT WITH THE WALLS OF SAID SECOND CHAMBER MEANS AND FOR THE AIR STREAM VENA CONTRACTS TO DEVELOP AROUND SAID CONICAL SPRAY.