Metering and mixing apparatus

Claim 1

APPARATUS FOR METERING AND MIXING A LIQUID FUEL AND A LIQUID OXIDANT, COMPRISING; A BODY MEMBER HAVING A CYLINDRICAL BORE OPEN AT ONE END THEREOF FORMING A CIRCULAR METERING EDGE, A CYLINDRICAL PISTON VALVE MEMBER SLIDEABLY DISPOSED IN SAID BORE HAVING A PLURALITY OF OUTWARDLY DIRECTED APERTURES ANGULARLY SPACED ABOUT THE PISTON AXIS AND ADAPTED TO SIMULTANEOUSLY PASS ACROSS SAID EDGE TO PROVIDE METERING OPENINGS OF CONTINUOUSLY VARIABLE AREA, SAID APERTURES COMPRISING A FIRST AND SECOND SET FOR DELIVERING OXIDANT AND FUEL, RESPECTIVELY, THE APERTURES OF THE SETS BEING AXIALLY ELONGATED AND ANGULARLY ALTERNATING ABOUT THE AXIS WHEREBY THE LIQUID OXIDANT AND FUEL MAY DISCHARGE RADIALLY OUTWARDLY IN SPACED STREAMS WITH A STREAM OF ONE LIQUID DISPOSED BETWEEN ADJACENT STREAMS OF THE OTHER LIQUID, AND AN ANNULAR WALL MEMBER ADJACENT SAID END OF THE CYLINDRICAL BORE AND HAVING AN INNER SURFACE ADJOINING SAID METERING EDGE AND EXTENDING AXIALLY THEREFROM, FORMING AN INWARDLY CONCAVE SURFACE OF REVOLUTION SURROUNDING SAID AXIS AND HAVING A CONVERGING CIRCULAR DISCHARGE PORTION, THE CONSTRUCTION AND ARRANGEMENT OF SAID APERTURES AND ANNULAR WALL MEMBER BEING SUCH THAT THE STREAMS OF LIQUID DISCHARGING FROM THE APERTURES IMPINGE ON THE WALL MEMBER AND SPREAD ANGULARLY IN FANLIKE PATTERN, THE LIQUIDS THENCE BEING DIRECTED INWARDLY ALONG THE SURFACE OF A CONE HAVING ITS APEX ON SAID AXIS.