Burner assembly

Claim 1

A BURNER ASSEMBLY COMPRISING (A) A TUBULAR HOUSING HAVING ONE END ADAPTED TO BE CARRIED IN THE COMBUSTION SPACE OF A FURNACE AND THE OTHER END CONNECTED TO AN AIR SUPPLY MEANS, (B) A HOLLOW MANIFOLD MEMBER CARRIED IN SAID TUBULAR HOUSING AND HAVING AN AXIALLY EXTENDING ANNULAR SURFACE SPACED FROM THE INNER WALL THEREOF, TO DEFINE AN ANNULAR PASSAGE INTERMEDIATE SAID ANNULAR SURFACE AND SAID TUBULAR HOUSING, (C) A PLURALITY OF SPACED FIN ELEMENTS CARRIED ON SAID SURFACE, OF DIRECT AIR FROM SAID AIR SUPPLY MEANS SUBSTANTIALLY AXIALLY THROUGH SAID ANNULAR PASSAGE, (D) A SOURCE OF A FUEL UNDER PRESSURE AND MEANS CONDUCTING FUEL FROM SAID SOURCE TO THE INTERIOR OF SAID MANIFOLD MEMBER, AND (E) SAID MANIFOLD BEING PROVIDED WITH A PLURALITY OF ANNULARLY SPACED RADIALLY DISPOSED ORIFICES EXTENDING RADIALLY THROUGH SAID ANNULAR SURFACE AND DIRECTING FUEL FROM THE INTERIOR OF SAID MANIFOLD MEMBER RADIALLY OUTWARDLY TO SAID ANNULAR PASSAGE, SAID ORIFICES BEING DISPOSED IN SAID ANNULAR SURFACE INTERMEDIATE SAID FIN ELEMENTS WHEREBY AIR FROM SAID AIR SUPPLY IS MIXED WITH FUEL EMITTED BY SAID ORIFICES AND DIRECTED BY SAID FIN ELEMENTS INTO SAID COMBUSTION SPACE.