Reheat combustion equipment of gas-turbine engines

Claim 1

THE COMBINATION WITH A GAS TURBINE ENGINE DELIVERING JET GASES CONTAINING COMBUSTION AIR AND A JET PIPE ON SAID ENGINE FOR DELIVERING SAID GASES, OF A PLURALITY OF TUBULAR COAXIAL SHIELDS MOUNTED IN THE JET PIPE, ONE WITHIN THE OTHER, SAID TUBULAR SHIELDS HAVING OPEN UPSTREAM ENDS WHICH ARE SUBSTANTIALLY CO-TERMINOUS, AND OPEN DOWNSTREAM ENDS WHICH ARE SUBSTANTIALLY CO-TERMINOUS, SAID SHIELDS DEFINING IMMEDIATELY SUCCESSIVE SPACES WHICH ARE RADIALLY SEPARATED BY SAID SHIELDS, A PLURALITY OF LIQUID FUEL INJECTOR MEANS EACH OF WHICH IS SO DISPOSED UPSTREAM OF SAID SHIELDS AND DIRECTED SO AS TO SUPPLY FUEL TO A RESPECTIVE ONE OF SAID SPACES ONLY, SAID INJECTOR MEANS BEING ADAPTED TO SUPPLY FUEL TO SAID SPACES SO THAT THERE IS A SUBSTANTIALLY STOICHIOMETRIC RELATIONSHIP BETWEEN THE COMBUSTION AIR AND FUEL FLOWING THROUGH EACH SAID SPACE AND INDEPENDENT OF THE OTHERS, AND A COMBUSTION STABILIZING MEANS MOUNTED IN EACH OF SAID SPACES AND INTERMEDIATE SAID UPSTREAM AND DOWNSTREAM ENDS OF SAID SHIELDS, EACH COMBUSTION STABILIZING MEANS BEING ARRANGED SUFFICIENTLY DOWNSTREAM OF THE RESPECTIVE INJECTOR MEANS THAT THE INJECTED FUEL AND THE COMBUSTION AIR FORM AN INTIMATE MIXTURE BEFORE THEY IMPINGE ON THE COMBUSTION STABILIZING MEANS.