Burner for fluid fuels

Claim 1

A BURNER FOR BURNING COMBUSTIBLE FLUID FUELS IN LARGE VOLUMES WITH MINIMUM NOISE COMPRISING A FIRST CENTRAL CHAMBER AND A SECOND CHAMBER ADJACENT AND CONCENTRIC WITH SAID FIRST CHAMBER, COMBUSTIBLE FLUID FUEL AND OXIDIZING GAS INLET MEANS INDEPENDENTLY COMMUNICATING WITH SAID FIRST AND SECOND CHAMBERS AT ONE END OF EACH SAID CHAMBERS, SAID CHAMBERS OPENING AWAY FROM SAID INLET MEANS IN A NOZZLE PORTION FOR DELIVERING A FLUID FUEL STREAM AND AN OXIDIZING GAS STREAM, A PLURALITY OF TUBULAR MEMBERS DISPOSED IN SAID SECOND CHAMBER IN LONGITUDINAL ALIGNMENT WITH SAID CHAMBER AND FORMING WITH THE OUTER WALL OF SAID FIRST CHAMBER A FIRST CONCENTRIC ROW OF A PLURALITY OF TRIANGULAR SPACES BETWEEN SAID TUBULAR MEMBERS AND SAID WALL IN THE NOZZLE PORTION AS WELL AS A SECOND CONCENTRIC ROW OF TRIANGULAR SPACES DEFINED BETWEEN OUTER SURFACES OF SAID TUBULAR MEMBERS SPACED FROM SAID FIRST ROW TRIANGULAR SPACES, SAID TUBULAR MEMBERS CONSTRUCTED AND ARRANGED IN SAID SECOND CHAMBER TO PERMIT PASSAGE OF ONE OF SAID STREAMS THROUGH SAID TUBULAR MEMBERS AND ALL OF SAID TRIANGULAR SPACES AND COOLING MEANS ASSOCIATED WITH SAID CHAMBERS TO COOL SAID NOZZLE PORTION.