Combustion chamber fluid inlet construction

Claim 1

A COMBUSTION APPARATUS COMPRISING A LONGITUDINALLY EXTENDING ANNULAR GAS PASSAGE, A SUBSTANTIALLY CYLINDRICAL COMBUSTION CHAMBER THEREIN, SAID MEMBER HAVING AN OUTLET AT ONE END FOR COMBUSTION PRODUCTS, A LONGITUDINALLY EXTENDING DOME MEANS CLOSING THE OTHER END OF SAID MEMBER, A FUEL NOZZLE PROJECTING FUEL THEREFROM, AN APERTURE IN SAID MEMBER CENTRALLY THEREOF FOR THE INSERTION THEREIN OF SAID FUEL NOZZLE, SAID FUEL NOZZLE DISTRIBUTING SAID FUEL IN A SUBSTANTIALLY CONE-SHAPED SPRAY UPON THE PASSAGE OF FUEL THROUGH SAID FUEL NOZZLE, SAID DOME MEANS HAVING AN ANNULAR WALL EXTENDING RADIALLY FROM SAID APERTURE AND A LONGITUDINAL ANNULAR WALL CONNECTED TO THE END WALL AT ITS OUTER EDGES, SAID END WALL HAVING A PLURALITY OF OPENINGS THEREIN FOR THE ADMISSION OF GAS THERETHROUGH DIRECTLY INTO SAID CHAMBER, AN INNER ANNULAR CORRUGATED WALL SECURED TO PORTIONS OF THE END AND LONGITUDINAL WALLS OF SAID MEMBER, THE OVERALL SHAPE OF SAID INNER WALL SUBSTANTIALLY PARALLELING THE CONE-SHAPE OF SAID FUEL SPRAY, SAID INNER WALL COMPRISING A PLURALITY OF ANNULAR AXIALLY AND RADIALLY EXTENDING PORTIONS AXIALLY ALTERNATED WITH EACH OTHER AND JOINED AT THEIR ADJACENT EDGES, EACH OF SAID ADJACENT PORTIONS HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED APERTURES THEREIN, EACH OF THE AXIALLY ADJACENT APERTURES BEING SUBSTANTIALLY AT RIGHT ANGLES TO THE OTHER FOR THE ADMISSION OF GAS THERETHROUGH IN A PLURALITY OF SPACED JET PATHS IN DIFFERENT PLANES, THE SPACING OF SAID PATHS IMPARTING A SWIRLING MOTION TO SAID GAS ADJACENT EACH OF SAID APERTURES, THE ADMISSION OF GAS THROUGH THE APERTURES IN SAID OUTER WALL DISTRIBUTING SAID GAS EVENLY TO THE APERTURES IN SAID INNER WALL, THE ADMISSION OF GAS THROUGH THE APERTURES IN SAID INNER WALL PROVIDING EFFICIENT ATOMIZATION OF THE FUEL SPRAY THEREIN BY THE CREATION OF LOCAL VORTICES ADJACENT SAID APERTURES DUE TO SAID SWIRL, THE APERTURES IN THE RADIAL PORTIONS OF SAID INNER WALL BEING OFFSET CIRCUMFERENTIALLY IN A STAGGERED MANNER WITH RESPECT TO THE APERTURES IN THE ADJACENT AXIAL PORTIONS OF SAID INNER WALL TO IMPART SAID SWIRLING MOTION TO THE GAS ADMITTED THERETHROUGH BY THE PASSAGE OF ONE GAS JET OVER ANOTHER.