Liquid fuel burner having plural whirl patterns of varying radii

Claim 1

AS AN ARTICLE OF MANUFACTURE, A SPRAYER PLATE COMPRISING A DISK HAVING AN AXIAL BORE OF SUBSTANTIALLY UNIFORM DIAMETER FOR PASSAGE OF A FIBROUS MATERIAL-CONTINING LIQUOR THERETHROUGH, MEANS FORMING A FIRST ANNULAR GROOVE IN ONE FACE OF THE SPRAYER PLATE RADIALLY SPACED FROM AND SURROUNDING SAID BORE, MEANS FORMING A PLURALITY OF FIRST CIRCUMFERENTIALLY SPACED FLUID FLOW PASSAGES DISPOSED IN A COMMON PLANE AND EXTENDING INWARDLY FROM SAID FIRST ANNULAR GROOVE TO SAID BORE, SAI FIRST PASSAGES BEING ARRANGED TO OPEN INTO SAID BORE IN A DIRECTION TANGENTIAL TO A SMALL DIAMETER CIRCLE WITHIN SAID BORE TO ACT UPON SAID FIBROUS MATERIAL-CONTAINING LIQUOR, MEANS FORMING A SECOND ANNULAR GROOVE IN THE OPPOSITE FACE OF THE SPRAYER PLATE RADIALLY SPACED FROM AND SOURROUNDING SAID BORE, PASSAGE MEANS INTERCONNECTING SAID FIRST AND SECOND ANNULAR GROOVES, AND MEANS FORMING A PLURALITY OF SECOND CIRCUMFERENTIALLY SPACED FLUID FLOW PASSAGES DISPOSED IN A COMMON PLANE PARALLEL WITH AND SPACED FROM THE PLANE OF SAID FIRST PASSAGES IN THE AXIAL DIRECTION OF THE BORE AND LEADING FROM SAID SECOND ANNULAR GROOVE TO SAID BORE, SAID SECOND PASSAGES BEING ARRANGED TO OPEN INTO SAID BORE IN DIRECTIONS MORE NEARLY TANGENTIAL THAN SAID FIRST PASSAGES AND DIRECTED TO BE TANGENT TO A CIRCLE OF GREATER DIAMETER THAN SAID SMALL DIAMETER CIRCLE AND LESS THAN THE DIAMETER OF THE BORE.